forked from solderpunk/AV-98
1911 lines
78 KiB
Python
Executable File
1911 lines
78 KiB
Python
Executable File
#!/usr/bin/env python3
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# Offpunk Offline Gemini client
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"""
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Offline-First Gemini/Web/Gopher/RSS reader and browser
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"""
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__version__ = "2.2"
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## Initial imports and conditional imports {{{
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import argparse
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import cmd
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import datetime
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import io
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import os
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import os.path
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import filecmp
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import random
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import shlex
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import shutil
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import socket
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import sys
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import time
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import urllib.parse
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import subprocess
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import netcache
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import opnk
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import ansicat
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import offthemes
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from offutils import run,term_width,is_local,mode_url,unmode_url, looks_like_url
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from offutils import xdg
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import offblocklist
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try:
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import setproctitle
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setproctitle.setproctitle("offpunk")
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_HAS_SETPROCTITLE = True
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except ModuleNotFoundError:
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_HAS_SETPROCTITLE = False
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_HAS_XSEL = shutil.which('xsel')
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## }}} end of imports
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# Command abbreviations
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_ABBREVS = {
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"..": "up",
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"a": "add",
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"b": "back",
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"bb": "blackbox",
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"bm": "bookmarks",
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"book": "bookmarks",
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"cp": "copy",
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"f": "forward",
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"g": "go",
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"h": "history",
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"hist": "history",
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"l": "view",
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"less": "view",
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"man": "help",
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"mv": "move",
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"n": "next",
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"off": "offline",
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"on": "online",
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"p": "previous",
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"prev": "previous",
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"q": "quit",
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"r": "reload",
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"s": "save",
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"se": "search",
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"/": "find",
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"t": "tour",
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"u": "up",
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"v": "view",
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"w": "wikipedia",
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"wen": "wikipedia en",
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"wfr": "wikipedia fr",
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"wes": "wikipedia es",
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}
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_MIME_HANDLERS = {
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}
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# GeminiClient Decorators
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def needs_gi(inner):
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def outer(self, *args, **kwargs):
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if not self.current_url:
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print("You need to 'go' somewhere, first")
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return None
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else:
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return inner(self, *args, **kwargs)
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outer.__doc__ = inner.__doc__
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return outer
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class GeminiClient(cmd.Cmd):
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def __init__(self, completekey="tab", synconly=False):
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cmd.Cmd.__init__(self)
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# Set umask so that nothing we create can be read by anybody else.
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# The certificate cache and TOFU database contain "browser history"
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# type sensitivie information.
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os.umask(0o077)
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self.opencache = opnk.opencache()
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self.theme = offthemes.default
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self.set_prompt("ON")
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self.current_url = None
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self.hist_index = 0
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self.marks = {}
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self.page_index = 0
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self.permanent_redirects = {}
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# Sync-only mode is restriced by design
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self.offline_only = False
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self.sync_only = False
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self.support_http = netcache._DO_HTTP
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self.automatic_choice = "n"
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self.client_certs = {
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"active": None
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}
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self.active_cert_domains = []
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self.active_is_transient = False
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self.options = {
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"debug" : False,
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"beta" : False,
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"timeout" : 600,
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"short_timeout" : 5,
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"width" : 72,
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"auto_follow_redirects" : True,
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"tls_mode" : "tofu",
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"archives_size" : 200,
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"history_size" : 200,
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"max_size_download" : 10,
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"editor" : None,
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"download_images_first" : True,
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"images_mode" : "readable",
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"redirects" : True,
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# the wikipedia entry needs two %s, one for lang, other for search
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"wikipedia" : "gemini://vault.transjovian.org:1965/search/%s/%s",
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"search" : "gemini://kennedy.gemi.dev/search?%s",
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"accept_bad_ssl_certificates" : False,
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"default_protocol" : "gemini",
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}
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self.redirects = offblocklist.redirects
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for i in offblocklist.blocked:
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self.redirects[i] = "blocked"
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term_width(new_width=self.options["width"])
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self.log = {
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"start_time": time.time(),
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}
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def set_prompt(self,prompt):
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key = "prompt_%s"%prompt.lower()
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if key in self.theme:
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colors = self.theme[key]
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else:
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#default color is green
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colors = ["green"]
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open_color = ""
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close_color = ""
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for c in colors:
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if c in offthemes.colors:
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ansi = offthemes.colors[c]
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else:
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ansi = ["32","39"]
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open_color += "%s;"%ansi[0]
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close_color += "%s;"%ansi[1]
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#removing the last ";"
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if open_color.endswith(";"):
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open_color = open_color[:-1]
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if close_color.endswith(";"):
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close_color = close_color[:-1]
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self.prompt = "\001\x1b[%sm\002"%open_color + prompt + "\001\x1b[%sm\002"%close_color + "> "
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#support for 256 color mode:
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#self.prompt = "\001\x1b[38;5;76m\002" + "ON" + "\001\x1b[38;5;255m\002" + "> " + "\001\x1b[0m\002"
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return self.prompt
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def complete_list(self,text,line,begidx,endidx):
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allowed = []
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cmds = ["create","edit","subscribe","freeze","normal","delete","help"]
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lists = self.list_lists()
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words = len(line.split())
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# We need to autocomplete listname for the first or second argument
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# If the first one is a cmds
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if words <= 1:
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allowed = lists + cmds
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elif words == 2:
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# if text, the completing word is the second
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cond = bool(text)
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if text:
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allowed = lists + cmds
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else:
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current_cmd = line.split()[1]
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if current_cmd in ["help", "create"]:
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allowed = []
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elif current_cmd in cmds:
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allowed = lists
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elif words == 3 and text != "":
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current_cmd = line.split()[1]
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if current_cmd in ["help", "create"]:
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allowed = []
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elif current_cmd in cmds:
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allowed = lists
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return [i+" " for i in allowed if i.startswith(text)]
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def complete_add(self,text,line,begidx,endidx):
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if len(line.split()) == 2 and text != "":
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allowed = self.list_lists()
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elif len(line.split()) == 1:
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allowed = self.list_lists()
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else:
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allowed = []
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return [i+" " for i in allowed if i.startswith(text)]
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def complete_move(self,text,line,begidx,endidx):
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return self.complete_add(text,line,begidx,endidx)
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def complete_tour(self,text,line,begidx,endidx):
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return self.complete_add(text,line,begidx,endidx)
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def complete_theme(self,text,line,begidx,endidx):
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elements = offthemes.default
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colors = offthemes.colors
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words = len(line.split())
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if words <= 1:
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allowed = elements
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elif words == 2 and text != "":
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allowed = elements
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else:
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allowed = colors
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return [i+" " for i in allowed if i.startswith(text)]
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def get_renderer(self,url=None):
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# If launched without argument, we return the renderer for the current URL
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if not url: url = self.current_url
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return self.opencache.get_renderer(url,theme=self.theme)
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def _go_to_url(self, url, update_hist=True, force_refresh=False, handle=True,\
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grep=None,name=None, mode=None,limit_size=False):
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"""This method might be considered "the heart of Offpunk".
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Everything involved in fetching a gemini resource happens here:
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sending the request over the network, parsing the response,
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storing the response in a temporary file, choosing
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and calling a handler program, and updating the history.
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Nothing is returned."""
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if not url:
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return
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url,newmode = unmode_url(url)
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if not mode: mode = newmode
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#we don’t handle the name anymore !
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if name:
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print("We don’t handle name of URL: %s"%name)
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# Obey permanent redirects
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if url in self.permanent_redirects:
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self._go_to_url(self.permanent_redirects[url],update_hist=update_hist,\
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force_refresh=force_refresh, handle=handle, name=name,mode=mode,\
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limit_size=limit_size,grep=grep)
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return
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# Code to translate URLs to better frontends (think twitter.com -> nitter)
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parsed = urllib.parse.urlparse(url)
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netloc = parsed.netloc
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if netloc.startswith("www."):
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netloc = netloc[4:]
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#we block/redirect even subdomains
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for key in self.redirects.keys():
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match = key == netloc
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if key.startswith("*"):
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match = netloc.endswith(key[1:])
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if match:
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if self.redirects[key] == "blocked":
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text = "This website has been blocked.\n"
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text += "Use the redirect command to unblock it."
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if handle and not self.sync_only:
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print(text)
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return
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else:
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parsed = parsed._replace(netloc = self.redirects[key])
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url = urllib.parse.urlunparse(parsed)
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params = {}
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params["timeout"] = self.options["short_timeout"]
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if limit_size:
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params["max_size"] = int(self.options["max_size_download"])*1000000
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params["print_error"] = not self.sync_only
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params["interactive"] = not self.sync_only
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params["offline"] = self.offline_only
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params["accept_bad_ssl_certificates"] = self.options["accept_bad_ssl_certificates"]
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if mode:
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params["images_mode"] = mode
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else:
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params["images_mode"] = self.options["images_mode"]
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if force_refresh:
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params["validity"] = 1
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elif not self.offline_only:
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#A cache is always valid at least 60seconds
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params["validity"] = 60
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# Use cache or mark as to_fetch if resource is not cached
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if handle and not self.sync_only:
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displayed, url = self.opencache.opnk(url,mode=mode,grep=grep,theme=self.theme,**params)
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modedurl = mode_url(url,mode)
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if not displayed:
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#if we can’t display, we mark to sync what is not local
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if not is_local(url) and not netcache.is_cache_valid(url):
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self.get_list("to_fetch")
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r = self.list_add_line("to_fetch",url=modedurl,verbose=False)
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if r:
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print("%s not available, marked for syncing"%url)
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else:
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print("%s already marked for syncing"%url)
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else:
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self.page_index = 0
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# Update state (external files are not added to history)
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self.current_url = modedurl
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if update_hist and not self.sync_only:
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self._update_history(modedurl)
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else:
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#we are asked not to handle or in sync_only mode
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if self.support_http or not parsed.scheme in ["http","https"] :
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netcache.fetch(url,**params)
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@needs_gi
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def _show_lookup(self, offset=0, end=None, show_url=False):
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for n, u in enumerate(self.get_renderer().get_links()[offset:end]):
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index = n+offset+1
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line = "[%s] %s" %(index,u)
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#TODO: implement proper listing of url (with protocol and show_url)
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# protocol = "" if gi.scheme == "gemini" else " %s" % gi.scheme
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# line = "[%d%s] %s" % (index, protocol, gi.name or gi.url)
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# line += " (%s)" % gi.url
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print(line)
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def _update_history(self, url):
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# We never update while in sync_only
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# We don’t add history to itself.
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if self.sync_only or not url or url == "list:///history":
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return
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#First, we call get_list to create history if needed
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self.get_list("history")
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links = self.list_get_links("history")
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length = len(links)
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#Don’t update history if we are back/forwarding through it
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if length > 0 and links[self.hist_index] == url:
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return
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if length > self.options["history_size"]:
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length = self.options["history_size"]
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self.list_add_top("history",limit=self.options["history_size"],truncate_lines=self.hist_index)
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self.hist_index = 0
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# Cmd implementation follows
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def default(self, line):
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if line.strip() == "EOF":
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return self.onecmd("quit")
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elif line.startswith("/"):
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return self.do_find(line[1:])
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# Expand abbreviated commands
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first_word = line.split()[0].strip()
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if first_word in _ABBREVS:
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full_cmd = _ABBREVS[first_word]
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expanded = line.replace(first_word, full_cmd, 1)
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return self.onecmd(expanded)
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# Try to access it like an URL
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if looks_like_url(line):
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return self.do_go(line)
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# Try to parse numerical index for lookup table
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try:
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n = int(line.strip())
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except ValueError:
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print("What?")
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return
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# if we have no url, there's nothing to do
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if self.current_url is None:
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print("No links to index")
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return
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else:
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r = self.get_renderer()
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if r:
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url = r.get_link(n)
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self._go_to_url(url)
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else:
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print("No page with links")
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return
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### Settings
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def do_redirect(self,line):
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"""Display and manage the list of redirected URLs. This features is mostly useful to use privacy-friendly frontends for popular websites."""
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if len(line.split()) == 1:
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if line in self.redirects:
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print("%s is redirected to %s" %(line,self.redirects[line]))
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else:
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print("Please add a destination to redirect %s" %line)
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elif len(line.split()) >= 2:
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orig, dest = line.split(" ",1)
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if dest.lower() == "none":
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if orig in self.redirects:
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self.redirects.pop(orig)
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print("Redirection for %s has been removed"%orig)
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else:
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print("%s was not redirected. Nothing has changed."%orig)
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elif dest.lower() == "block":
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self.redirects[orig] = "blocked"
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print("%s will now be blocked"%orig)
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else:
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self.redirects[orig] = dest
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print("%s will now be redirected to %s" %(orig,dest))
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else:
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toprint="Current redirections:\n"
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toprint+="--------------------\n"
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for r in self.redirects:
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toprint += ("%s\t->\t%s\n" %(r,self.redirects[r]))
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toprint +="\nTo add new, use \"redirect origine.com destination.org\""
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toprint +="\nTo remove a redirect, use \"redirect origine.com NONE\""
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toprint +="\nTo completely block a website, use \"redirect origine.com BLOCK\""
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toprint +="\nTo block also subdomains, prefix with *: \"redirect *origine.com BLOCK\""
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print(toprint)
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def do_set(self, line):
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"""View or set various options."""
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if not line.strip():
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# Show all current settings
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for option in sorted(self.options.keys()):
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print("%s %s" % (option, self.options[option]))
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elif len(line.split()) == 1 :
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# Show current value of one specific setting
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option = line.strip()
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if option in self.options:
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print("%s %s" % (option, self.options[option]))
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else:
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print("Unrecognised option %s" % option)
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else:
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# Set value of one specific setting
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option, value = line.split(" ", 1)
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if option not in self.options:
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print("Unrecognised option %s" % option)
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return
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# Validate / convert values
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elif option == "tls_mode":
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if value.lower() not in ("ca", "tofu"):
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print("TLS mode must be `ca` or `tofu`!")
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return
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elif option == "accept_bad_ssl_certificates":
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if value.lower() == "false":
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print("Only high security certificates are now accepted")
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elif value.lower() == "true":
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print("Low security SSL certificates are now accepted")
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else:
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print("accept_bad_ssl_certificates should be True or False")
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return
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elif option == "width":
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if value.isnumeric():
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value = int(value)
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print("changing width to ",value)
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term_width(new_width=value)
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self.opencache.cleanup()
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else:
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print("%s is not a valid width (integer required)"%value)
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elif value.isnumeric():
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value = int(value)
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elif value.lower() == "false":
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value = False
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elif value.lower() == "true":
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value = True
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else:
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try:
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value = float(value)
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except ValueError:
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pass
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self.options[option] = value
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def do_theme(self,line):
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"""Change the colors of your rendered text.
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"theme ELEMENT COLOR"
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ELEMENT is one of: window_title, window_subtitle, title,
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subtitle,subsubtitle,link,oneline_link,new_link,image_link,preformatted,blockquote.
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COLOR is one or many (separated by space) of: bold, faint, italic, underline, black,
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red, green, yellow, blue, purple, cyan, white.
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Each color can alternatively be prefaced with "bright_"."""
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words = line.split()
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le = len(words)
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if le == 0:
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t = self.get_renderer("list:///").get_theme()
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for e in t:
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print("%s set to %s"%(e,t[e]))
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else:
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element = words[0]
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if element not in offthemes.default.keys():
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print("%s is not a valid theme element"%element)
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print("Valid theme elements are: ")
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valid = []
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for k in offthemes.default:
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valid.append(k)
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print(valid)
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else:
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if le == 1:
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if element in self.theme.keys():
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||
value = self.theme[element]
|
||
else:
|
||
value = offthemes.default[element]
|
||
print("%s is set to %s"%(element,str(value)))
|
||
else:
|
||
#Now we parse the colors
|
||
for w in words[1:]:
|
||
if w not in offthemes.colors.keys():
|
||
print("%s is not a valid color"%w)
|
||
print("Valid colors are one of: ")
|
||
valid = []
|
||
for k in offthemes.colors:
|
||
valid.append(k)
|
||
print(valid)
|
||
return
|
||
self.theme[element] = words[1:]
|
||
self.opencache.cleanup()
|
||
#now we upadte the prompt
|
||
if self.offline_only:
|
||
self.set_prompt("OFF")
|
||
else:
|
||
self.set_prompt("ON")
|
||
|
||
def do_handler(self, line):
|
||
"""View or set handler commands for different MIME types."""
|
||
if not line.strip():
|
||
# Show all current handlers
|
||
h = self.opencache.get_handlers()
|
||
for mime in sorted(h.keys()):
|
||
print("%s %s" % (mime, h[mime]))
|
||
elif len(line.split()) == 1:
|
||
mime = line.strip()
|
||
h = self.opencache.get_handlers(mime=mime)
|
||
if h:
|
||
print("%s %s" % (mime, h))
|
||
else:
|
||
print("No handler set for MIME type %s" % mime)
|
||
else:
|
||
mime, handler = line.split(" ", 1)
|
||
self.opencache.set_handler(mime,handler)
|
||
|
||
def do_abbrevs(self, *args):
|
||
"""Print all Offpunk command abbreviations."""
|
||
header = "Command Abbreviations:"
|
||
self.stdout.write("\n{}\n".format(str(header)))
|
||
if self.ruler:
|
||
self.stdout.write("{}\n".format(str(self.ruler * len(header))))
|
||
for k, v in _ABBREVS.items():
|
||
self.stdout.write("{:<7} {}\n".format(k, v))
|
||
self.stdout.write("\n")
|
||
|
||
def do_offline(self, *args):
|
||
"""Use Offpunk offline by only accessing cached content"""
|
||
if self.offline_only:
|
||
print("Offline and undisturbed.")
|
||
else:
|
||
self.offline_only = True
|
||
self.set_prompt("OFF")
|
||
print("Offpunk is now offline and will only access cached content")
|
||
|
||
def do_online(self, *args):
|
||
"""Use Offpunk online with a direct connection"""
|
||
if self.offline_only:
|
||
self.offline_only = False
|
||
self.set_prompt("ON")
|
||
print("Offpunk is online and will access the network")
|
||
else:
|
||
print("Already online. Try offline.")
|
||
|
||
def do_copy(self, arg):
|
||
"""Copy the content of the last visited page as gemtext/html in the clipboard.
|
||
Use with "url" as argument to only copy the adress.
|
||
Use with "raw" to copy ANSI content as seen in your terminal (with colour codes).
|
||
Use with "cache" to copy the path of the cached content.
|
||
Use with "title" to copy the title of the page.
|
||
Use with "link" to copy a link in the gemtext format to that page with the title.
|
||
"""
|
||
if self.current_url:
|
||
if _HAS_XSEL:
|
||
args = arg.split()
|
||
if args and args[0] == "url":
|
||
if len(args) > 1 and args[1].isdecimal():
|
||
url = self.get_renderer().get_link(int(args[1])-1)
|
||
else:
|
||
url,mode = unmode_url(self.current_url)
|
||
print(url)
|
||
run("xsel -b -i", input=url, direct_output=True)
|
||
elif args and args[0] == "raw":
|
||
tmp = self.opencache.get_temp_filename(self.current_url)
|
||
if tmp:
|
||
run("xsel -b -i", input=open(tmp, "rb"),\
|
||
direct_output=True)
|
||
elif args and args[0] == "cache":
|
||
run("xsel -b -i", input=netcache.get_cache_path(self.current_url),\
|
||
direct_output=True)
|
||
elif args and args[0] == "title":
|
||
title = self.get_renderer().get_page_title()
|
||
run("xsel -b -i",input=title, direct_output=True)
|
||
print(title)
|
||
elif args and args[0] == "link":
|
||
link = "=> %s %s"%(unmode_url(self.current_url)[0],\
|
||
self.get_renderer().get_page_title())
|
||
print(link)
|
||
run("xsel -b -i", input=link,direct_output=True)
|
||
else:
|
||
run("xsel -b -i", input=open(netcache.get_cache_path(self.current_url), "rb"),\
|
||
direct_output=True)
|
||
else:
|
||
print("Please install xsel to use copy")
|
||
else:
|
||
print("No content to copy, visit a page first")
|
||
|
||
### Stuff for getting around
|
||
def do_go(self, line):
|
||
"""Go to a gemini URL or marked item."""
|
||
line = line.strip()
|
||
if not line:
|
||
if shutil.which('xsel'):
|
||
clipboards = []
|
||
urls = []
|
||
for selec in ["-p","-s","-b"]:
|
||
try:
|
||
clipboards.append(run("xsel "+selec))
|
||
except Exception as err:
|
||
#print("Skippink clipboard %s because %s"%(selec,err))
|
||
pass
|
||
for u in clipboards:
|
||
if "://" in u and looks_like_url(u) and u not in urls :
|
||
urls.append(u)
|
||
if len(urls) > 1:
|
||
stri = "URLs in your clipboard\n"
|
||
counter = 0
|
||
for u in urls:
|
||
counter += 1
|
||
stri += "[%s] %s\n"%(counter,u)
|
||
stri += "Where do you want to go today ?> "
|
||
ans = input(stri)
|
||
if ans.isdigit() and 0 < int(ans) <= len(urls):
|
||
self.do_go(urls[int(ans)-1])
|
||
elif len(urls) == 1:
|
||
self.do_go(urls[0])
|
||
else:
|
||
print("Go where? (hint: simply copy an URL in your clipboard)")
|
||
else:
|
||
print("Go where? (hint: install xsel to go to copied URLs)")
|
||
|
||
# First, check for possible marks
|
||
elif line in self.marks:
|
||
url = self.marks[line]
|
||
self._go_to_url(url)
|
||
# or a local file
|
||
elif os.path.exists(os.path.expanduser(line)):
|
||
self._go_to_url(line)
|
||
# If this isn't a mark, treat it as a URL
|
||
elif looks_like_url(line):
|
||
self._go_to_url(line)
|
||
elif "://" not in line and "default_protocol" in self.options.keys()\
|
||
and looks_like_url(self.options["default_protocol"]+"://"+line):
|
||
self._go_to_url(self.options["default_protocol"]+"://"+line)
|
||
else:
|
||
print("%s is not a valid URL to go"%line)
|
||
|
||
@needs_gi
|
||
def do_reload(self, *args):
|
||
"""Reload the current URL."""
|
||
if self.offline_only and not is_local(self.current_url):
|
||
self.get_list("to_fetch")
|
||
r = self.list_add_line("to_fetch",url=self.current_url,verbose=False)
|
||
if r:
|
||
print("%s marked for syncing" %self.current_url)
|
||
else:
|
||
print("%s already marked for syncing" %self.current_url)
|
||
else:
|
||
self.opencache.cleanup()
|
||
self._go_to_url(self.current_url, force_refresh=False)
|
||
|
||
@needs_gi
|
||
def do_up(self, *args):
|
||
"""Go up one directory in the path.
|
||
Take an integer as argument to go up multiple times."""
|
||
level = 1
|
||
if args[0].isnumeric():
|
||
level = int(args[0])
|
||
elif args[0] != "":
|
||
print("Up only take integer as arguments")
|
||
#TODO : implement up, this code is copy/pasted from GeminiItem
|
||
url, mode = unmode_url(self.current_url)
|
||
parsed = urllib.parse.urlparse(url)
|
||
path = parsed.path.rstrip('/')
|
||
count = 0
|
||
while count < level:
|
||
pathbits = list(os.path.split(path))
|
||
# Don't try to go higher than root or in config
|
||
if is_local(url) or len(pathbits) == 1 :
|
||
break
|
||
# Get rid of bottom component
|
||
if len(pathbits) > 1:
|
||
pathbits.pop()
|
||
path = os.path.join(*pathbits)
|
||
count += 1
|
||
if parsed.scheme == "gopher":
|
||
path = "/1" + path
|
||
newurl = urllib.parse.urlunparse((parsed.scheme,parsed.netloc,path,"","",""))
|
||
self._go_to_url(newurl)
|
||
|
||
def do_back(self, *args):
|
||
"""Go back to the previous gemini item."""
|
||
histfile = self.get_list("history")
|
||
links = self.list_get_links("history")
|
||
if self.hist_index >= len(links) -1:
|
||
return
|
||
self.hist_index += 1
|
||
url = links[self.hist_index]
|
||
self._go_to_url(url, update_hist=False)
|
||
|
||
def do_forward(self, *args):
|
||
"""Go forward to the next gemini item."""
|
||
histfile = self.get_list("history")
|
||
links = self.list_get_links("history")
|
||
if self.hist_index <= 0:
|
||
return
|
||
self.hist_index -= 1
|
||
url = links[self.hist_index]
|
||
self._go_to_url(url, update_hist=False)
|
||
|
||
@needs_gi
|
||
def do_root(self, *args):
|
||
"""Go to root selector of the server hosting current item."""
|
||
parse = urllib.parse.urlparse(self.current_url)
|
||
self._go_to_url(urllib.parse.urlunparse((parse.scheme,parse.netloc,"/","","","")))
|
||
|
||
def do_tour(self, line):
|
||
"""Add index items as waypoints on a tour, which is basically a FIFO
|
||
queue of gemini items.
|
||
|
||
`tour` or `t` alone brings you to the next item in your tour.
|
||
Items can be added with `tour 1 2 3 4` or ranges like `tour 1-4`.
|
||
All items in current menu can be added with `tour *`.
|
||
All items in $LIST can be added with `tour $LIST`.
|
||
Current item can be added back to the end of the tour with `tour .`.
|
||
Current tour can be listed with `tour ls` and scrubbed with `tour clear`."""
|
||
# Creating the tour list if needed
|
||
self.get_list("tour")
|
||
line = line.strip()
|
||
if not line:
|
||
# Fly to next waypoint on tour
|
||
if len(self.list_get_links("tour")) < 1:
|
||
print("End of tour.")
|
||
else:
|
||
url = self.list_go_to_line("1","tour")
|
||
if url:
|
||
self.list_rm_url(url,"tour")
|
||
elif line == "ls":
|
||
self.list_show("tour")
|
||
elif line == "clear":
|
||
for l in self.list_get_links("tour"):
|
||
self.list_rm_url(l,"tour")
|
||
elif line == "*":
|
||
for l in self.get_renderer().get_links():
|
||
self.list_add_line("tour",url=l,verbose=False)
|
||
elif line == ".":
|
||
self.list_add_line("tour",verbose=False)
|
||
elif looks_like_url(line):
|
||
self.list_add_line("tour",url=line)
|
||
elif line in self.list_lists():
|
||
list_path = self.list_path(line)
|
||
if not list_path:
|
||
print("List %s does not exist. Cannot add it to tour"%(list))
|
||
else:
|
||
url = "list:///%s"%line
|
||
display = not self.sync_only
|
||
for l in self.get_renderer(url).get_links():
|
||
self.list_add_line("tour",url=l,verbose=False)
|
||
elif self.current_url:
|
||
for index in line.split():
|
||
try:
|
||
pair = index.split('-')
|
||
if len(pair) == 1:
|
||
# Just a single index
|
||
n = int(index)
|
||
url = self.get_renderer().get_link(n)
|
||
self.list_add_line("tour",url=url,verbose=False)
|
||
elif len(pair) == 2:
|
||
# Two endpoints for a range of indices
|
||
if int(pair[0]) < int(pair[1]):
|
||
for n in range(int(pair[0]), int(pair[1]) + 1):
|
||
url = self.get_renderer().get_link(n)
|
||
self.list_add_line("tour",url=url,verbose=False)
|
||
else:
|
||
for n in range(int(pair[0]), int(pair[1]) - 1, -1):
|
||
url = self.get_renderer().get_link(n)
|
||
self.list_add_line("tour",url=url,verbose=False)
|
||
|
||
else:
|
||
# Syntax error
|
||
print("Invalid use of range syntax %s, skipping" % index)
|
||
except ValueError:
|
||
print("Non-numeric index %s, skipping." % index)
|
||
except IndexError:
|
||
print("Invalid index %d, skipping." % n)
|
||
|
||
@needs_gi
|
||
def do_mark(self, line):
|
||
"""Mark the current item with a single letter. This letter can then
|
||
be passed to the 'go' command to return to the current item later.
|
||
Think of it like marks in vi: 'mark a'='ma' and 'go a'=''a'.
|
||
Marks are temporary until shutdown (not saved to disk)."""
|
||
line = line.strip()
|
||
if not line:
|
||
for mark, gi in self.marks.items():
|
||
print("[%s] %s (%s)" % (mark, gi.name, gi.url))
|
||
elif line.isalpha() and len(line) == 1:
|
||
self.marks[line] = self.current_url
|
||
else:
|
||
print("Invalid mark, must be one letter")
|
||
|
||
@needs_gi
|
||
def do_info(self,line):
|
||
"""Display information about current page."""
|
||
renderer = self.get_renderer()
|
||
url,mode = unmode_url(self.current_url)
|
||
out = renderer.get_page_title() + "\n\n"
|
||
out += "URL : " + url + "\n"
|
||
out += "Mime : " + renderer.get_mime() + "\n"
|
||
out += "Cache : " + netcache.get_cache_path(url) + "\n"
|
||
if self.get_renderer() :
|
||
rend = str(self.get_renderer().__class__)
|
||
rend = rend.lstrip("<class '__main__.").rstrip("'>")
|
||
else:
|
||
rend = "None"
|
||
out += "Renderer : " + rend + "\n\n"
|
||
lists = []
|
||
for l in self.list_lists():
|
||
if self.list_has_url(url,l):
|
||
lists.append(l)
|
||
if len(lists) > 0:
|
||
out += "Page appeard in following lists :\n"
|
||
for l in lists:
|
||
if not self.list_is_system(l):
|
||
status = "normal list"
|
||
if self.list_is_subscribed(l):
|
||
status = "subscription"
|
||
elif self.list_is_frozen(l):
|
||
status = "frozen list"
|
||
out += " • %s\t(%s)\n" %(l,status)
|
||
for l in lists:
|
||
if self.list_is_system(l):
|
||
out += " • %s\n" %l
|
||
else:
|
||
out += "Page is not save in any list"
|
||
print(out)
|
||
|
||
def do_version(self, line):
|
||
"""Display version and system information."""
|
||
def has(value):
|
||
if value:
|
||
return "\t\x1b[1;32mInstalled\x1b[0m\n"
|
||
else:
|
||
return "\t\x1b[1;31mNot Installed\x1b[0m\n"
|
||
output = "Offpunk " + __version__ + "\n"
|
||
output += "===========\n"
|
||
output += "Highly recommended:\n"
|
||
output += " - python-cryptography : " + has(netcache._HAS_CRYPTOGRAPHY)
|
||
output += " - xdg-open : " + has(opnk._HAS_XDGOPEN)
|
||
output += "\nWeb browsing:\n"
|
||
output += " - python-requests : " + has(netcache._DO_HTTP)
|
||
output += " - python-feedparser : " + has(ansicat._DO_FEED)
|
||
output += " - python-bs4 : " + has(ansicat._HAS_SOUP)
|
||
output += " - python-readability : " + has(ansicat._HAS_READABILITY)
|
||
output += " - timg 1.3.2+ : " + has(ansicat._NEW_TIMG)
|
||
if ansicat._NEW_CHAFA:
|
||
output += " - chafa 1.10+ : " + has(ansicat._HAS_CHAFA)
|
||
else:
|
||
output += " - chafa : " + has(ansicat._HAS_CHAFA)
|
||
output += " - python-pil : " + has(ansicat._HAS_PIL)
|
||
output += "\nNice to have:\n"
|
||
output += " - python-setproctitle : " + has(_HAS_SETPROCTITLE)
|
||
output += " - xsel : " + has(_HAS_XSEL)
|
||
|
||
output += "\nFeatures :\n"
|
||
if ansicat._NEW_CHAFA:
|
||
output += " - Render images (chafa or timg) : " + has(ansicat._RENDER_IMAGE)
|
||
else:
|
||
output += " - Render images (python-pil, chafa or timg) : " + has(ansicat._RENDER_IMAGE)
|
||
output += " - Render HTML (bs4, readability) : " + has(ansicat._DO_HTML)
|
||
output += " - Render Atom/RSS feeds (feedparser) : " + has(ansicat._DO_FEED)
|
||
output += " - Connect to http/https (requests) : " + has(netcache._DO_HTTP)
|
||
output += " - Detect text encoding (python-chardet) : " + has(netcache._HAS_CHARDET)
|
||
output += " - copy to/from clipboard (xsel) : " + has(_HAS_XSEL)
|
||
output += " - restore last position (less 572+) : " + has(opnk._LESS_RESTORE_POSITION)
|
||
output += "\n"
|
||
output += "Config directory : " + xdg("config") + "\n"
|
||
output += "User Data directory : " + xdg("data") + "\n"
|
||
output += "Cache directoy : " + xdg("cache")
|
||
|
||
print(output)
|
||
|
||
### Stuff that modifies the lookup table
|
||
def do_ls(self, line):
|
||
"""List contents of current index.
|
||
Use 'ls -l' to see URLs."""
|
||
self._show_lookup(show_url = "-l" in line)
|
||
self.page_index = 0
|
||
|
||
def do_search(self,line):
|
||
"""Search on Gemini using the engine configured (by default kennedy.gemi.dev)
|
||
You can configure it using "set search URL".
|
||
URL should contains one "%s" that will be replaced by the search term."""
|
||
search = urllib.parse.quote(line)
|
||
url = self.options["search"]%search
|
||
self._go_to_url(url)
|
||
|
||
def do_wikipedia(self,line):
|
||
"""Search on wikipedia using the configured Gemini interface.
|
||
The first word should be the two letters code for the language.
|
||
Exemple : "wikipedia en Gemini protocol"
|
||
But you can also use abbreviations to go faster:
|
||
"wen Gemini protocol". (your abbreviation might be missing, report the bug)
|
||
The interface used can be modified with the command:
|
||
"set wikipedia URL" where URL should contains two "%s", the first
|
||
one used for the language, the second for the search string."""
|
||
words = line.split(" ",maxsplit=1)
|
||
if len(words[0]) == 2:
|
||
lang = words[0]
|
||
search = urllib.parse.quote(words[1])
|
||
else:
|
||
lang = "en"
|
||
search = urllib.parse.quote(line)
|
||
url = self.options["wikipedia"]%(lang,search)
|
||
self._go_to_url(url)
|
||
|
||
def do_gus(self, line):
|
||
"""Submit a search query to the geminispace.info search engine."""
|
||
if not line:
|
||
print("What?")
|
||
return
|
||
search = line.replace(" ","%20")
|
||
self._go_to_url("gemini://geminispace.info/search?%s"%search)
|
||
|
||
def do_history(self, *args):
|
||
"""Display history."""
|
||
self.list_show("history")
|
||
|
||
@needs_gi
|
||
def do_find(self, searchterm):
|
||
"""Find in current page by displaying only relevant lines (grep)."""
|
||
self._go_to_url(self.current_url,update_hist=False,grep=searchterm)
|
||
|
||
def emptyline(self):
|
||
"""Page through index ten lines at a time."""
|
||
i = self.page_index
|
||
if not self.current_url or i > len(self.get_renderer().get_links()):
|
||
return
|
||
self._show_lookup(offset=i, end=i+10)
|
||
self.page_index += 10
|
||
|
||
### Stuff that does something to most recently viewed item
|
||
@needs_gi
|
||
def do_cat(self, *args):
|
||
"""Run most recently visited item through "cat" command."""
|
||
run("cat", input=open(self.opencache.get_temp_filename(self.current_url), "rb"),\
|
||
direct_output=True)
|
||
|
||
@needs_gi
|
||
def do_view(self, *args):
|
||
"""Run most recently visited item through "less" command, restoring \
|
||
previous position.
|
||
Use "view normal" to see the default article view on html page.
|
||
Use "view full" to see a complete html page instead of the article view.
|
||
Use "view feed" to see the the linked feed of the page (in any).
|
||
Use "view feeds" to see available feeds on this page.
|
||
Use "view XX" where XX is a number to view information about link XX.
|
||
(full, feed, feeds have no effect on non-html content)."""
|
||
if self.current_url and args and args[0] != "":
|
||
u, m = unmode_url(self.current_url)
|
||
if args[0] in ["full","debug","source"]:
|
||
self._go_to_url(self.current_url,mode=args[0])
|
||
elif args[0] in ["normal","readable"]:
|
||
self._go_to_url(self.current_url,mode="readable")
|
||
elif args[0] == "feed":
|
||
subs = self.get_renderer().get_subscribe_links()
|
||
if len(subs) > 1:
|
||
self.do_go(subs[1][0])
|
||
elif "rss" in subs[0][1] or "atom" in subs[0][1]:
|
||
print("%s is already a feed" %u)
|
||
else:
|
||
print("No other feed found on %s"%u)
|
||
elif args[0] == "feeds":
|
||
subs = self.get_renderer().get_subscribe_links()
|
||
stri = "Available views :\n"
|
||
counter = 0
|
||
for s in subs:
|
||
counter += 1
|
||
stri += "[%s] %s [%s]\n"%(counter,s[0],s[1])
|
||
stri += "Which view do you want to see ? >"
|
||
ans = input(stri)
|
||
if ans.isdigit() and 0 < int(ans) <= len(subs):
|
||
self.do_go(subs[int(ans)-1][0])
|
||
elif args[0].isdigit():
|
||
link_url = self.get_renderer().get_link(int(args[0]))
|
||
if link_url:
|
||
print("Link %s is: %s"%(args[0],link_url))
|
||
if netcache.is_cache_valid(link_url):
|
||
last_modified = netcache.cache_last_modified(link_url)
|
||
link_renderer = self.get_renderer(link_url)
|
||
if link_renderer:
|
||
link_title = link_renderer.get_page_title()
|
||
print(link_title)
|
||
else:
|
||
print("Empty cached version")
|
||
print("Last cached on %s"%time.ctime(last_modified))
|
||
else:
|
||
print("No cached version for this link")
|
||
|
||
else:
|
||
print("Valid argument for view are : normal, full, feed, feeds or a number")
|
||
else:
|
||
self._go_to_url(self.current_url)
|
||
|
||
@needs_gi
|
||
def do_open(self, *args):
|
||
"""Open current item with the configured handler or xdg-open.
|
||
Uses "open url" to open current URL in a browser.
|
||
see "handler" command to set your handler."""
|
||
u, m = unmode_url(self.current_url)
|
||
if args[0] == "url":
|
||
run("xdg-open %s", parameter=u, direct_output=True)
|
||
else:
|
||
self.opencache.opnk(u,terminal=False)
|
||
|
||
@needs_gi
|
||
def do_shell(self, line):
|
||
"""'cat' most recently visited item through a shell pipeline.
|
||
'!' is an useful shortcut."""
|
||
tmp = self.opencache.get_temp_filename(self.current_url)
|
||
if tmp:
|
||
run(line, input=open(tmp, "rb"), direct_output=True)
|
||
|
||
@needs_gi
|
||
def do_save(self, line):
|
||
"""Save an item to the filesystem.
|
||
'save n filename' saves menu item n to the specified filename.
|
||
'save filename' saves the last viewed item to the specified filename.
|
||
'save n' saves menu item n to an automagic filename."""
|
||
args = line.strip().split()
|
||
# First things first, figure out what our arguments are
|
||
if len(args) == 0:
|
||
# No arguments given at all
|
||
# Save current item, if there is one, to a file whose name is
|
||
# inferred from the gemini path
|
||
if not netcache.is_cache_valid(self.current_url):
|
||
print("You cannot save if not cached!")
|
||
return
|
||
else:
|
||
index = None
|
||
filename = None
|
||
elif len(args) == 1:
|
||
# One argument given
|
||
# If it's numeric, treat it as an index, and infer the filename
|
||
try:
|
||
index = int(args[0])
|
||
filename = None
|
||
# If it's not numeric, treat it as a filename and
|
||
# save the current item
|
||
except ValueError:
|
||
index = None
|
||
filename = os.path.expanduser(args[0])
|
||
elif len(args) == 2:
|
||
# Two arguments given
|
||
# Treat first as an index and second as filename
|
||
index, filename = args
|
||
try:
|
||
index = int(index)
|
||
except ValueError:
|
||
print("First argument is not a valid item index!")
|
||
return
|
||
filename = os.path.expanduser(filename)
|
||
else:
|
||
print("You must provide an index, a filename, or both.")
|
||
return
|
||
# Next, fetch the item to save, if it's not the current one.
|
||
if index:
|
||
last_url = self.current_url
|
||
try:
|
||
url = self.get_renderer().get_link(index)
|
||
self._go_to_url(url, update_hist = False, handle = False)
|
||
except IndexError:
|
||
print ("Index too high!")
|
||
self.current_url = last_url
|
||
return
|
||
else:
|
||
url = self.current_url
|
||
|
||
# Derive filename from current GI's path, if one hasn't been set
|
||
if not filename:
|
||
filename = os.path.basename(netcache.get_cache_path(self.current_url))
|
||
# Check for filename collisions and actually do the save if safe
|
||
if os.path.exists(filename):
|
||
print("File %s already exists!" % filename)
|
||
else:
|
||
# Don't use _get_active_tmpfile() here, because we want to save the
|
||
# "source code" of menus, not the rendered view - this way Offpunk
|
||
# can navigate to it later.
|
||
path = netcache.get_cache_path(url)
|
||
if os.path.isdir(path):
|
||
print("Can’t save %s because it’s a folder, not a file"%path)
|
||
else:
|
||
print("Saved to %s" % filename)
|
||
shutil.copyfile(path, filename)
|
||
|
||
# Restore gi if necessary
|
||
if index != None:
|
||
self._go_to_url(last_url, handle=False)
|
||
|
||
@needs_gi
|
||
def do_url(self, *args):
|
||
"""Print URL of most recently visited item."""
|
||
url,mode = unmode_url(self.current_url)
|
||
print(url)
|
||
|
||
### Bookmarking stuff
|
||
@needs_gi
|
||
def do_add(self, line):
|
||
"""Add the current URL to the list specied as argument.
|
||
If no argument given, URL is added to Bookmarks."""
|
||
args = line.split()
|
||
if len(args) < 1 :
|
||
list = "bookmarks"
|
||
if not self.list_path(list):
|
||
self.list_create(list)
|
||
self.list_add_line(list)
|
||
else:
|
||
self.list_add_line(args[0])
|
||
|
||
# Get the list file name, creating or migrating it if needed.
|
||
# Migrate bookmarks/tour/to_fetch from XDG_CONFIG to XDG_DATA
|
||
# We migrate only if the file exists in XDG_CONFIG and not XDG_DATA
|
||
def get_list(self,list):
|
||
list_path = self.list_path(list)
|
||
if not list_path:
|
||
old_file_gmi = os.path.join(xdg("config"),list + ".gmi")
|
||
old_file_nogmi = os.path.join(xdg("config"),list)
|
||
target = os.path.join(xdg("data"),"lists")
|
||
if os.path.exists(old_file_gmi):
|
||
shutil.move(old_file_gmi,target)
|
||
elif os.path.exists(old_file_nogmi):
|
||
targetgmi = os.path.join(target,list+".gmi")
|
||
shutil.move(old_file_nogmi,targetgmi)
|
||
else:
|
||
if list == "subscribed":
|
||
title = "Subscriptions #subscribed (new links in those pages will be added to tour)"
|
||
elif list == "to_fetch":
|
||
title = "Links requested and to be fetched during the next --sync"
|
||
else:
|
||
title = None
|
||
self.list_create(list, title=title,quite=True)
|
||
list_path = self.list_path(list)
|
||
return list_path
|
||
|
||
@needs_gi
|
||
def do_subscribe(self,line):
|
||
"""Subscribe to current page by saving it in the "subscribed" list.
|
||
If a new link is found in the page during a --sync, the new link is automatically
|
||
fetched and added to your next tour.
|
||
To unsubscribe, remove the page from the "subscribed" list."""
|
||
subs = self.get_renderer().get_subscribe_links()
|
||
if len(subs) > 1:
|
||
stri = "Multiple feeds have been found :\n"
|
||
elif "rss" in subs[0][1] or "atom" in subs[0][1] :
|
||
stri = "This page is already a feed:\n"
|
||
else:
|
||
stri = "No feed detected. You can still watch the page :\n"
|
||
counter = 0
|
||
for l in subs:
|
||
link = l[0]
|
||
already = []
|
||
for li in self.list_lists():
|
||
if self.list_is_subscribed(li):
|
||
if self.list_has_url(link,li):
|
||
already.append(li)
|
||
stri += "[%s] %s [%s]\n"%(counter+1,link,l[1])
|
||
if len(already) > 0:
|
||
stri += "\t -> (already subscribed through lists %s)\n"%(str(already))
|
||
counter += 1
|
||
stri += "\n"
|
||
stri += "Which feed do you want to subscribe ? > "
|
||
ans = input(stri)
|
||
if ans.isdigit() and 0 < int(ans) <= len(subs):
|
||
sublink,mime,title = subs[int(ans)-1]
|
||
else:
|
||
sublink,title = None,None
|
||
if sublink:
|
||
list_path = self.get_list("subscribed")
|
||
added = self.list_add_line("subscribed",url=sublink,verbose=False)
|
||
if added :
|
||
print("Subscribed to %s" %sublink)
|
||
else:
|
||
print("You are already subscribed to %s"%sublink)
|
||
else:
|
||
print("No subscription registered")
|
||
|
||
def do_bookmarks(self, line):
|
||
"""Show or access the bookmarks menu.
|
||
'bookmarks' shows all bookmarks.
|
||
'bookmarks n' navigates immediately to item n in the bookmark menu.
|
||
Bookmarks are stored using the 'add' command."""
|
||
list_path = self.get_list("bookmarks")
|
||
args = line.strip()
|
||
if len(args.split()) > 1 or (args and not args.isnumeric()):
|
||
print("bookmarks command takes a single integer argument!")
|
||
elif args:
|
||
self.list_go_to_line(args,"bookmarks")
|
||
else:
|
||
self.list_show("bookmarks")
|
||
|
||
@needs_gi
|
||
def do_archive(self,args):
|
||
"""Archive current page by removing it from every list and adding it to
|
||
archives, which is a special historical list limited in size. It is similar to `move archives`."""
|
||
for li in self.list_lists():
|
||
if li not in ["archives", "history"]:
|
||
u,m = unmode_url(self.current_url)
|
||
deleted = self.list_rm_url(u,li)
|
||
if deleted:
|
||
print("Removed from %s"%li)
|
||
self.list_add_top("archives",limit=self.options["archives_size"])
|
||
print("Archiving: %s"%self.get_renderer().get_page_title())
|
||
print("\x1b[2;34mCurrent maximum size of archives : %s\x1b[0m" %self.options["archives_size"])
|
||
|
||
#what is the line to add to a list for this url ?
|
||
def to_map_line(self,url=None):
|
||
if not url:
|
||
url = self.current_url
|
||
r = self.get_renderer(url)
|
||
if r:
|
||
title = r.get_page_title()
|
||
else:
|
||
title = ""
|
||
toreturn = "=> {} {}\n".format(url,title)
|
||
return toreturn
|
||
|
||
def list_add_line(self,list,url=None,verbose=True):
|
||
list_path = self.list_path(list)
|
||
if not list_path and self.list_is_system(list):
|
||
self.list_create(list,quite=True)
|
||
list_path = self.list_path(list)
|
||
if not list_path:
|
||
print("List %s does not exist. Create it with ""list create %s"""%(list,list))
|
||
return False
|
||
else:
|
||
if not url:
|
||
url = self.current_url
|
||
unmoded_url,mode = unmode_url(url)
|
||
# first we check if url already exists in the file
|
||
if self.list_has_url(url,list,exact_mode=True):
|
||
if verbose:
|
||
print("%s already in %s."%(url,list))
|
||
return False
|
||
# If the URL already exists but without a mode, we update the mode
|
||
# FIXME: this doesn’t take into account the case where you want to remove the mode
|
||
elif url != unmoded_url and self.list_has_url(unmoded_url,list):
|
||
self.list_update_url_mode(unmoded_url,list,mode)
|
||
if verbose:
|
||
print("%s has updated mode in %s to %s"%(url,list,mode))
|
||
else:
|
||
with open(list_path,"a") as l_file:
|
||
l_file.write(self.to_map_line(url))
|
||
l_file.close()
|
||
if verbose:
|
||
print("%s added to %s" %(url,list))
|
||
return True
|
||
|
||
@needs_gi
|
||
def list_add_top(self,list,limit=0,truncate_lines=0):
|
||
stri = self.to_map_line().strip("\n")
|
||
if list == "archives":
|
||
stri += ", archived on "
|
||
elif list == "history":
|
||
stri += ", visited on "
|
||
else:
|
||
stri += ", added to %s on "%list
|
||
stri += time.ctime() + "\n"
|
||
list_path = self.get_list(list)
|
||
with open(list_path,"r") as l_file:
|
||
lines = l_file.readlines()
|
||
l_file.close()
|
||
with open(list_path,"w") as l_file:
|
||
l_file.write("#%s\n"%list)
|
||
l_file.write(stri)
|
||
counter = 0
|
||
# Truncating is useful in case we open a new branch
|
||
# after a few back in history
|
||
to_truncate = truncate_lines
|
||
for l in lines:
|
||
if not l.startswith("#"):
|
||
if to_truncate > 0:
|
||
to_truncate -= 1
|
||
elif limit == 0 or counter < limit:
|
||
l_file.write(l)
|
||
counter += 1
|
||
l_file.close()
|
||
|
||
|
||
# remove an url from a list.
|
||
# return True if the URL was removed
|
||
# return False if the URL was not found
|
||
def list_rm_url(self,url,list):
|
||
return self.list_has_url(url,list,deletion=True)
|
||
|
||
def list_update_url_mode(self,url,list,mode):
|
||
return self.list_has_url(url,list,update_mode = mode)
|
||
|
||
# deletion and has_url are so similar, I made them the same method
|
||
# deletion : true or false if you want to delete the URL
|
||
# exact_mode : True if you want to check only for the exact url, not the canonical one
|
||
# update_mode : a new mode to update the URL
|
||
def list_has_url(self,url,list,deletion=False, exact_mode=False, update_mode = None):
|
||
list_path = self.list_path(list)
|
||
if list_path:
|
||
to_return = False
|
||
with open(list_path,"r") as lf:
|
||
lines = lf.readlines()
|
||
lf.close()
|
||
to_write = []
|
||
# let’s remove the mode
|
||
if not exact_mode:
|
||
url=unmode_url(url)[0]
|
||
for l in lines:
|
||
# we separate components of the line
|
||
# to ensure we identify a complete URL, not a part of it
|
||
splitted = l.split()
|
||
if url not in splitted and len(splitted) > 1:
|
||
current = unmode_url(splitted[1])[0]
|
||
#sometimes, we must remove the ending "/"
|
||
if url == current or (url.endswith("/") and url[:-1] == current):
|
||
to_return = True
|
||
if update_mode:
|
||
new_line = l.replace(current,mode_url(url,update_mode))
|
||
to_write.append(new_line)
|
||
elif not deletion:
|
||
to_write.append(l)
|
||
else:
|
||
to_write.append(l)
|
||
elif url in splitted:
|
||
to_return = True
|
||
# We update the mode if asked by replacing the old url
|
||
# by a moded one in the same line
|
||
if update_mode:
|
||
new_line = l.replace(url,mode_url(url,update_mode))
|
||
to_write.append(new_line)
|
||
elif not deletion:
|
||
to_write.append(l)
|
||
else:
|
||
to_write.append(l)
|
||
if deletion or update_mode:
|
||
with open(list_path,"w") as lf:
|
||
for l in to_write:
|
||
lf.write(l)
|
||
lf.close()
|
||
return to_return
|
||
else:
|
||
return False
|
||
|
||
def list_get_links(self,list):
|
||
list_path = self.list_path(list)
|
||
if list_path and os.path.exists(list_path):
|
||
return self.get_renderer("list:///%s"%list).get_links()
|
||
else:
|
||
return []
|
||
|
||
def list_go_to_line(self,line,list):
|
||
list_path = self.list_path(list)
|
||
if not list_path:
|
||
print("List %s does not exist. Create it with ""list create %s"""%(list,list))
|
||
elif not line.isnumeric():
|
||
print("go_to_line requires a number as parameter")
|
||
else:
|
||
r = self.get_renderer("list:///%s"%list)
|
||
url = r.get_link(int(line))
|
||
display = not self.sync_only
|
||
if url:
|
||
self._go_to_url(url,handle=display)
|
||
return url
|
||
|
||
def list_show(self,list):
|
||
list_path = self.list_path(list)
|
||
if not list_path:
|
||
print("List %s does not exist. Create it with ""list create %s"""%(list,list))
|
||
else:
|
||
url = "list:///%s"%list
|
||
display = not self.sync_only
|
||
self._go_to_url(url,handle=display)
|
||
|
||
#return the path of the list file if list exists.
|
||
#return None if the list doesn’t exist.
|
||
def list_path(self,list):
|
||
listdir = os.path.join(xdg("data"),"lists")
|
||
list_path = os.path.join(listdir, "%s.gmi"%list)
|
||
if os.path.exists(list_path):
|
||
return list_path
|
||
else:
|
||
return None
|
||
|
||
def list_create(self,list,title=None,quite=False):
|
||
list_path = self.list_path(list)
|
||
if list in ["create","edit","delete","help"]:
|
||
print("%s is not allowed as a name for a list"%list)
|
||
elif not list_path:
|
||
listdir = os.path.join(xdg("data"),"lists")
|
||
os.makedirs(listdir,exist_ok=True)
|
||
list_path = os.path.join(listdir, "%s.gmi"%list)
|
||
with open(list_path,"a") as lfile:
|
||
if title:
|
||
lfile.write("# %s\n"%title)
|
||
else:
|
||
lfile.write("# %s\n"%list)
|
||
lfile.close()
|
||
if not quite:
|
||
print("list created. Display with `list %s`"%list)
|
||
else:
|
||
print("list %s already exists" %list)
|
||
|
||
def do_move(self,arg):
|
||
"""move LIST will add the current page to the list LIST.
|
||
With a major twist: current page will be removed from all other lists.
|
||
If current page was not in a list, this command is similar to `add LIST`."""
|
||
if not arg:
|
||
print("LIST argument is required as the target for your move")
|
||
elif arg[0] == "archives":
|
||
self.do_archive()
|
||
else:
|
||
args = arg.split()
|
||
list_path = self.list_path(args[0])
|
||
if not list_path:
|
||
print("%s is not a list, aborting the move" %args[0])
|
||
else:
|
||
lists = self.list_lists()
|
||
for l in lists:
|
||
if l != args[0] and l not in ["archives", "history"]:
|
||
url, mode = unmode_url(self.current_url)
|
||
isremoved = self.list_rm_url(url,l)
|
||
if isremoved:
|
||
print("Removed from %s"%l)
|
||
self.list_add_line(args[0])
|
||
|
||
def list_lists(self):
|
||
listdir = os.path.join(xdg("data"),"lists")
|
||
to_return = []
|
||
if os.path.exists(listdir):
|
||
lists = os.listdir(listdir)
|
||
if len(lists) > 0:
|
||
for l in lists:
|
||
#removing the .gmi at the end of the name
|
||
to_return.append(l[:-4])
|
||
return to_return
|
||
|
||
def list_has_status(self,list,status):
|
||
path = self.list_path(list)
|
||
toreturn = False
|
||
if path:
|
||
with open(path) as f:
|
||
line = f.readline().strip()
|
||
f.close()
|
||
if line.startswith("#") and status in line:
|
||
toreturn = True
|
||
return toreturn
|
||
|
||
def list_is_subscribed(self,list):
|
||
return self.list_has_status(list,"#subscribed")
|
||
def list_is_frozen(self,list):
|
||
return self.list_has_status(list,"#frozen")
|
||
def list_is_system(self,list):
|
||
return list in ["history","to_fetch","archives","tour"]
|
||
|
||
# This modify the status of a list to one of :
|
||
# normal, frozen, subscribed
|
||
# action is either #frozen, #subscribed or None
|
||
def list_modify(self,list,action=None):
|
||
path = self.list_path(list)
|
||
with open(path) as f:
|
||
lines = f.readlines()
|
||
f.close()
|
||
if lines[0].strip().startswith("#"):
|
||
first_line = lines.pop(0).strip("\n")
|
||
else:
|
||
first_line = "# %s "%list
|
||
first_line = first_line.replace("#subscribed","").replace("#frozen","")
|
||
if action:
|
||
first_line += " " + action
|
||
print("List %s has been marked as %s"%(list,action))
|
||
else:
|
||
print("List %s is now a normal list" %list)
|
||
first_line += "\n"
|
||
lines.insert(0,first_line)
|
||
with open(path,"w") as f:
|
||
for line in lines:
|
||
f.write(line)
|
||
f.close()
|
||
def do_list(self,arg):
|
||
"""Manage list of bookmarked pages.
|
||
- list : display available lists
|
||
- list $LIST : display pages in $LIST
|
||
- list create $NEWLIST : create a new list
|
||
- list edit $LIST : edit the list
|
||
- list subscribe $LIST : during sync, add new links found in listed pages to tour
|
||
- list freeze $LIST : don’t update pages in list during sync if a cache already exists
|
||
- list normal $LIST : update pages in list during sync but don’t add anything to tour
|
||
- list delete $LIST : delete a list permanently (a confirmation is required)
|
||
- list help : print this help
|
||
See also :
|
||
- add $LIST (to add current page to $LIST or, by default, to bookmarks)
|
||
- move $LIST (to add current page to list while removing from all others)
|
||
- archive (to remove current page from all lists while adding to archives)
|
||
|
||
There’s no "delete" on purpose. The use of "archive" is recommended.
|
||
|
||
The following lists cannot be removed or frozen but can be edited with "list edit"
|
||
- list archives : contains last 200 archived URLs
|
||
- history : contains last 200 visisted URLs
|
||
- to_fetch : contains URLs that will be fetch during the next sync
|
||
- tour : contains the next URLs to visit during a tour (see "help tour")
|
||
|
||
"""
|
||
listdir = os.path.join(xdg("data"),"lists")
|
||
os.makedirs(listdir,exist_ok=True)
|
||
if not arg:
|
||
lists = self.list_lists()
|
||
if len(lists) > 0:
|
||
lurl = "list:///"
|
||
self._go_to_url(lurl)
|
||
else:
|
||
print("No lists yet. Use `list create`")
|
||
else:
|
||
args = arg.split()
|
||
if args[0] == "create":
|
||
if len(args) > 2:
|
||
name = " ".join(args[2:])
|
||
self.list_create(args[1].lower(),title=name)
|
||
elif len(args) == 2:
|
||
self.list_create(args[1].lower())
|
||
else:
|
||
print("A name is required to create a new list. Use `list create NAME`")
|
||
elif args[0] == "edit":
|
||
editor = None
|
||
if "editor" in self.options and self.options["editor"]:
|
||
editor = self.options["editor"]
|
||
elif os.environ.get("VISUAL"):
|
||
editor = os.environ.get("VISUAL")
|
||
elif os.environ.get("EDITOR"):
|
||
editor = os.environ.get("EDITOR")
|
||
if editor:
|
||
if len(args) > 1 and args[1] in self.list_lists():
|
||
path = os.path.join(listdir,args[1]+".gmi")
|
||
try:
|
||
# Note that we intentionally don't quote the editor.
|
||
# In the unlikely case `editor` includes a percent
|
||
# sign, we also escape it for the %-formatting.
|
||
cmd = editor.replace("%", "%%") + " %s"
|
||
run(cmd, parameter=path, direct_output=True)
|
||
except Exception as err:
|
||
print(err)
|
||
print("Please set a valid editor with \"set editor\"")
|
||
else:
|
||
print("A valid list name is required to edit a list")
|
||
else:
|
||
print("No valid editor has been found.")
|
||
print("You can use the following command to set your favourite editor:")
|
||
print("set editor EDITOR")
|
||
print("or use the $VISUAL or $EDITOR environment variables.")
|
||
elif args[0] == "delete":
|
||
if len(args) > 1:
|
||
if self.list_is_system(args[1]):
|
||
print("%s is a system list which cannot be deleted"%args[1])
|
||
elif args[1] in self.list_lists():
|
||
size = len(self.list_get_links(args[1]))
|
||
stri = "Are you sure you want to delete %s ?\n"%args[1]
|
||
confirm = "YES"
|
||
if size > 0:
|
||
stri += "! %s items in the list will be lost !\n"%size
|
||
confirm = "YES DELETE %s" %size
|
||
else :
|
||
stri += "The list is empty, it should be safe to delete it.\n"
|
||
stri += "Type \"%s\" (in capital, without quotes) to confirm :"%confirm
|
||
answer = input(stri)
|
||
if answer == confirm:
|
||
path = os.path.join(listdir,args[1]+".gmi")
|
||
os.remove(path)
|
||
print("* * * %s has been deleted" %args[1])
|
||
else:
|
||
print("A valid list name is required to be deleted")
|
||
else:
|
||
print("A valid list name is required to be deleted")
|
||
elif args[0] in ["subscribe","freeze","normal"]:
|
||
if len(args) > 1:
|
||
if self.list_is_system(args[1]):
|
||
print("You cannot modify %s which is a system list"%args[1])
|
||
elif args[1] in self.list_lists():
|
||
if args[0] == "subscribe":
|
||
action = "#subscribed"
|
||
elif args[0] == "freeze":
|
||
action = "#frozen"
|
||
else:
|
||
action = None
|
||
self.list_modify(args[1],action=action)
|
||
else:
|
||
print("A valid list name is required after %s" %args[0])
|
||
elif args[0] == "help":
|
||
self.onecmd("help list")
|
||
elif len(args) == 1:
|
||
self.list_show(args[0].lower())
|
||
else:
|
||
self.list_go_to_line(args[1],args[0].lower())
|
||
|
||
def do_help(self, arg):
|
||
"""ALARM! Recursion detected! ALARM! Prepare to eject!"""
|
||
if arg == "!":
|
||
print("! is an alias for 'shell'")
|
||
elif arg == "?":
|
||
print("? is an alias for 'help'")
|
||
elif arg in _ABBREVS:
|
||
full_cmd = _ABBREVS[arg]
|
||
print("%s is an alias for '%s'" %(arg,full_cmd))
|
||
print("See the list of aliases with 'abbrevs'")
|
||
print("'help %s':"%full_cmd)
|
||
cmd.Cmd.do_help(self, full_cmd)
|
||
else:
|
||
cmd.Cmd.do_help(self, arg)
|
||
|
||
def do_sync(self, line):
|
||
"""Synchronize all bookmarks lists and URLs from the to_fetch list.
|
||
- New elements in pages in subscribed lists will be added to tour
|
||
- Elements in list to_fetch will be retrieved and added to tour
|
||
- Normal lists will be synchronized and updated
|
||
- Frozen lists will be fetched only if not present.
|
||
|
||
Before a sync, you can edit the list of URLs that will be fetched with the
|
||
following command: "list edit to_fetch"
|
||
|
||
Argument : duration of cache validity (in seconds)."""
|
||
if self.offline_only:
|
||
print("Sync can only be achieved online. Change status with `online`.")
|
||
return
|
||
args = line.split()
|
||
if len(args) > 0:
|
||
if not args[0].isdigit():
|
||
print("sync argument should be the cache validity expressed in seconds")
|
||
return
|
||
else:
|
||
validity = int(args[0])
|
||
else:
|
||
validity = 0
|
||
self.call_sync(refresh_time=validity)
|
||
|
||
def call_sync(self,refresh_time=0,depth=1,lists=None):
|
||
# fetch_url is the core of the sync algorithm.
|
||
# It takes as input :
|
||
# - an URL to be fetched
|
||
# - depth : the degree of recursion to build the cache (0 means no recursion)
|
||
# - validity : the age, in seconds, existing caches need to have before
|
||
# being refreshed (0 = never refreshed if it already exists)
|
||
# - savetotour : if True, newly cached items are added to tour
|
||
def add_to_tour(url):
|
||
if url and netcache.is_cache_valid(url):
|
||
toprint = " -> adding to tour: %s" %url
|
||
width = term_width() - 1
|
||
toprint = toprint[:width]
|
||
toprint += " "*(width-len(toprint))
|
||
print(toprint)
|
||
self.list_add_line("tour",url=url,verbose=False)
|
||
return True
|
||
else:
|
||
return False
|
||
def fetch_url(url,depth=0,validity=0,savetotour=False,count=[0,0],strin=""):
|
||
#savetotour = True will save to tour newly cached content
|
||
# else, do not save to tour
|
||
#regardless of valitidy
|
||
if not url: return
|
||
if not netcache.is_cache_valid(url,validity=validity):
|
||
if strin != "":
|
||
endline = '\r'
|
||
else:
|
||
endline = None
|
||
#Did we already had a cache (even an old one) ?
|
||
isnew = not netcache.is_cache_valid(url)
|
||
toprint = "%s [%s/%s] Fetch "%(strin,count[0],count[1]) + url
|
||
width = term_width() - 1
|
||
toprint = toprint[:width]
|
||
toprint += " "*(width-len(toprint))
|
||
print(toprint,end=endline)
|
||
#If not saving to tour, then we should limit download size
|
||
limit = not savetotour
|
||
self._go_to_url(url,update_hist=False,limit_size=limit)
|
||
if savetotour and isnew and netcache.is_cache_valid(url):
|
||
#we add to the next tour only if we managed to cache
|
||
#the ressource
|
||
add_to_tour(url)
|
||
#Now, recursive call, even if we didn’t refresh the cache
|
||
# This recursive call is impacting performances a lot but is needed
|
||
# For the case when you add a address to a list to read later
|
||
# You then expect the links to be loaded during next refresh, even
|
||
# if the link itself is fresh enough
|
||
# see fetch_list()
|
||
if depth > 0:
|
||
#we should only savetotour at the first level of recursion
|
||
# The code for this was removed so, currently, we savetotour
|
||
# at every level of recursion.
|
||
r = self.get_renderer(url)
|
||
url,oldmode = unmode_url(url)
|
||
if oldmode == "full":
|
||
mode = "full_links_only"
|
||
else:
|
||
mode = "links_only"
|
||
if r:
|
||
links = r.get_links(mode=mode)
|
||
subcount = [0,len(links)]
|
||
d = depth - 1
|
||
for k in links:
|
||
#recursive call (validity is always 0 in recursion)
|
||
substri = strin + " -->"
|
||
subcount[0] += 1
|
||
fetch_url(k,depth=d,validity=0,savetotour=savetotour,\
|
||
count=subcount,strin=substri)
|
||
def fetch_list(list,validity=0,depth=1,tourandremove=False,tourchildren=False):
|
||
links = self.list_get_links(list)
|
||
end = len(links)
|
||
counter = 0
|
||
print(" * * * %s to fetch in %s * * *" %(end,list))
|
||
for l in links:
|
||
counter += 1
|
||
# If cache for a link is newer than the list
|
||
fetch_url(l,depth=depth,validity=validity,savetotour=tourchildren,count=[counter,end])
|
||
if tourandremove:
|
||
if add_to_tour(l):
|
||
self.list_rm_url(l,list)
|
||
|
||
self.sync_only = True
|
||
if not lists:
|
||
lists = self.list_lists()
|
||
# We will fetch all the lists except "archives" and "history"
|
||
# We keep tour for the last round
|
||
subscriptions = []
|
||
normal_lists = []
|
||
fridge = []
|
||
for l in lists:
|
||
#only try existing lists
|
||
if l in self.list_lists():
|
||
if not self.list_is_system(l):
|
||
if self.list_is_frozen(l):
|
||
fridge.append(l)
|
||
elif self.list_is_subscribed(l):
|
||
subscriptions.append(l)
|
||
else:
|
||
normal_lists.append(l)
|
||
# We start with the "subscribed" as we need to find new items
|
||
starttime = int(time.time())
|
||
for l in subscriptions:
|
||
fetch_list(l,validity=refresh_time,depth=depth,tourchildren=True)
|
||
#Then the fetch list (item are removed from the list after fetch)
|
||
# We fetch regarless of the refresh_time
|
||
if "to_fetch" in lists:
|
||
nowtime = int(time.time())
|
||
short_valid = nowtime - starttime
|
||
fetch_list("to_fetch",validity=short_valid,depth=depth,tourandremove=True)
|
||
#then we fetch all the rest (including bookmarks and tour)
|
||
for l in normal_lists:
|
||
fetch_list(l,validity=refresh_time,depth=depth)
|
||
for l in fridge:
|
||
fetch_list(l,validity=0,depth=depth)
|
||
#tour should be the last one as item my be added to it by others
|
||
fetch_list("tour",validity=refresh_time,depth=depth)
|
||
print("End of sync")
|
||
self.sync_only = False
|
||
|
||
### The end!
|
||
def do_quit(self, *args):
|
||
"""Exit Offpunk."""
|
||
self.opencache.cleanup()
|
||
print("You can close your screen!")
|
||
sys.exit()
|
||
|
||
do_exit = do_quit
|
||
|
||
|
||
|
||
# Main function
|
||
def main():
|
||
|
||
# Parse args
|
||
parser = argparse.ArgumentParser(description=__doc__)
|
||
parser.add_argument('--bookmarks', action='store_true',
|
||
help='start with your list of bookmarks')
|
||
parser.add_argument('--config-file',metavar='FILE',
|
||
help='use this particular config file instead of default')
|
||
parser.add_argument('--sync', action='store_true',
|
||
help='run non-interactively to build cache by exploring lists passed \
|
||
as argument. Without argument, all lists are fetched.')
|
||
parser.add_argument('--assume-yes', action='store_true',
|
||
help='assume-yes when asked questions about certificates/redirections during sync (lower security)')
|
||
parser.add_argument('--disable-http',action='store_true',
|
||
help='do not try to get http(s) links (but already cached will be displayed)')
|
||
parser.add_argument('--fetch-later', action='store_true',
|
||
help='run non-interactively with an URL as argument to fetch it later')
|
||
parser.add_argument('--depth',
|
||
help='depth of the cache to build. Default is 1. More is crazy. Use at your own risks!')
|
||
parser.add_argument('--images-mode',
|
||
help='the mode to use to choose which images to download in a HTML page.\
|
||
one of (None, readable, full). Warning: full will slowdown your sync.')
|
||
parser.add_argument('--cache-validity',
|
||
help='duration for which a cache is valid before sync (seconds)')
|
||
parser.add_argument('--version', action='store_true',
|
||
help='display version information and quit')
|
||
parser.add_argument('--features', action='store_true',
|
||
help='display available features and dependancies then quit')
|
||
parser.add_argument('url', metavar='URL', nargs='*',
|
||
help='Arguments should be URL to be fetched or, if --sync is used, lists')
|
||
args = parser.parse_args()
|
||
|
||
# Handle --version
|
||
if args.version:
|
||
print("Offpunk " + __version__)
|
||
sys.exit()
|
||
elif args.features:
|
||
GeminiClient.do_version(None,None)
|
||
sys.exit()
|
||
else:
|
||
for f in [xdg("config"), xdg("data")]:
|
||
if not os.path.exists(f):
|
||
print("Creating config directory {}".format(f))
|
||
os.makedirs(f)
|
||
|
||
# Instantiate client
|
||
gc = GeminiClient(synconly=args.sync)
|
||
torun_queue = []
|
||
|
||
# Interactive if offpunk started normally
|
||
# False if started with --sync
|
||
# Queue is a list of command (potentially empty)
|
||
def read_config(queue,rcfile=None,interactive=True):
|
||
if not rcfile:
|
||
rcfile = os.path.join(xdg("config"), "offpunkrc")
|
||
if os.path.exists(rcfile):
|
||
print("Using config %s" % rcfile)
|
||
with open(rcfile, "r") as fp:
|
||
for line in fp:
|
||
line = line.strip()
|
||
if ((args.bookmarks or args.url) and
|
||
any((line.startswith(x) for x in ("go", "g", "tour", "t")))
|
||
):
|
||
if args.bookmarks:
|
||
print("Skipping rc command \"%s\" due to --bookmarks option." % line)
|
||
else:
|
||
print("Skipping rc command \"%s\" due to provided URLs." % line)
|
||
continue
|
||
# We always consider redirect
|
||
# for the rest, we need to be interactive
|
||
if line.startswith("redirect") or interactive:
|
||
queue.append(line)
|
||
return queue
|
||
# Act on args
|
||
if args.bookmarks:
|
||
torun_queue.append("bookmarks")
|
||
elif args.url and not args.sync:
|
||
if len(args.url) == 1:
|
||
torun_queue.append("go %s" % args.url[0])
|
||
else:
|
||
for url in args.url:
|
||
torun_queue.append("tour %s" % url)
|
||
torun_queue.append("tour")
|
||
|
||
if args.disable_http:
|
||
gc.support_http = False
|
||
|
||
# Endless interpret loop (except while --sync or --fetch-later)
|
||
if args.fetch_later:
|
||
if args.url:
|
||
gc.sync_only = True
|
||
for u in args.url:
|
||
if looks_like_url(u):
|
||
if netcache.is_cache_valid(u):
|
||
gc.list_add_line("tour",u)
|
||
else:
|
||
gc.list_add_line("to_fetch",u)
|
||
else:
|
||
print("%s is not a valid URL to fetch"%u)
|
||
else:
|
||
print("--fetch-later requires an URL (or a list of URLS) as argument")
|
||
elif args.sync:
|
||
if args.assume_yes:
|
||
gc.automatic_choice = "y"
|
||
gc.onecmd("set accept_bad_ssl_certificates True")
|
||
if args.cache_validity:
|
||
refresh_time = int(args.cache_validity)
|
||
else:
|
||
# if no refresh time, a default of 0 is used (which means "infinite")
|
||
refresh_time = 0
|
||
if args.images_mode and args.images_mode in ["none","readable","normal","full"]:
|
||
gc.options["images_mode"] = args.images_mode
|
||
if args.depth:
|
||
depth = int(args.depth)
|
||
else:
|
||
depth = 1
|
||
read_config(torun_queue,rcfile=args.config_file,interactive=False)
|
||
for line in torun_queue:
|
||
gc.onecmd(line)
|
||
lists = None
|
||
gc.call_sync(refresh_time=refresh_time,depth=depth,lists=args.url)
|
||
else:
|
||
# We are in the normal mode. First process config file
|
||
torun_queue = read_config(torun_queue,rcfile=args.config_file,interactive=True)
|
||
print("Welcome to Offpunk!")
|
||
print("Type `help` to get the list of available command.")
|
||
for line in torun_queue:
|
||
gc.onecmd(line)
|
||
|
||
while True:
|
||
try:
|
||
gc.cmdloop()
|
||
except KeyboardInterrupt:
|
||
print("")
|
||
|
||
if __name__ == '__main__':
|
||
main()
|