Proper journalctl-friendly logger

main.py

@@ -3,6 +3,7 @@ from math import ceil
 #from peertube import Cache, PaginatedResults, FailedRequest, API
 from peertube import *
 import sys
+import logging
 
 # Import everything from utils.py, to keep main.py focused
 # on CLI arguments parsing, and web routes declarations
@@ -11,6 +12,17 @@ from utils import *
 cache = Cache()
 api = API(cache)
 
+from logging.config import dictConfig
+
+dictConfig({
+    'version': 1,
+    'loggers': {
+        'quart.app': {
+            'level': 'DEBUG',
+        },
+    },
+})
+
 # --- WEBSERVER STUFF ---
 # All utilities are above this point.
 # Routes are defined below
@@ -51,7 +63,7 @@ class Context():
 
     # Helper function to insert/log an error
     def error(self, reason):
-        print("[ERROR] %s" % reason)
+        app.logger.error(reason)
         self.failures.append(FailedRequest(reason))
         return self
 
@@ -81,7 +93,7 @@ class Context():
         #print("[DEBUG] Considering future result %s" % repr(key))
         if len(self.failures) > 0:
             # Previous failures, don't run further requests
-            print("[DEBUG] Previous failures. Skipping future result %s" % repr(key))
+            app.logger.debug("Previous failures. Skipping future result %s" % repr(key))
             return self
         # Don't collapse (foo) into foo, keep it tupled
         if not isinstance(args, tuple): args = (args, )
@@ -110,7 +122,7 @@ class Context():
         # Simple key to insert_result result into, whether it succeeded or failed
         # Special-case: if result is a PaginatedResults, then we insert the total results count into pagination["total"]
         if isinstance(result, PaginatedResults):
-            print("Inserting pagination from API request!")
+            app.logger.debug("Inserting pagination from API request!")
             self.insert("pagination", { "total": result.total })
             return self.insert_result(key, result.data)
         # Very normal result
@@ -132,7 +144,7 @@ class Context():
             for entry in range(1, len(arg)):
                 # We take each part of the tuple as a "route" inside the previous result
                 data = data[arg[entry]]
-            print("[DEBUG] Found previous entry %s at given route: %s" % (arg[0].key(), data))
+            app.logger.debug("Found previous entry %s at given route: %s" % (arg[0].key(), data))
             return data
         else:
             #print("[DEBUG] Found normal argument")
@@ -167,7 +179,7 @@ class Context():
             return self.error("PROGRAMMING ERROR: pagination.total count not found in current context. Did you really insert_future_result of an API request that produces paginated results?")
 
         total_pages = ceil(self.context["pagination"]["total"] / 10)
-        print("[DEBUG] Found %s pages when paginating %s" % (str(total_pages), results_key))
+        app.logger.debug("Found %s pages when paginating %s" % (str(total_pages), results_key))
         return self.paginate(url, page, total_pages)
 
     # Build instance context (eg. domain and instance_name)