termux-packages/scripts/get_hash_from_file.py

48 lines
2.2 KiB
Python
Executable File

#!/usr/bin/env python3
import sys, os
def get_pkg_hash_from_Packages(Packages_file, package, version, hash_type="SHA256"):
with open(Packages_file, 'r') as Packages:
package_list = Packages.read().split('\n\n')
for pkg in package_list:
if pkg.split('\n')[0] == "Package: "+package:
for line in pkg.split('\n'):
# Assuming Filename: comes before Version:
if line.startswith('Filename:'):
print(line.split(" ")[1] + " ")
elif line.startswith('Version:'):
if os.getenv('TERMUX_WITHOUT_DEPVERSION_BINDING') != 'true' and line != 'Version: '+version:
# Seems the repo contains the wrong version, or several versions
# We can't use this one so continue looking
break
elif line.startswith(hash_type):
print(line.split(" ")[1])
package_list.clear()
def get_Packages_hash_from_Release(Release_file, arch, component, hash_type="SHA256"):
string_to_find = component+'/binary-'+arch+'/Packages'
with open(Release_file, 'r') as Release:
hash_list = Release.readlines()
for i in range(len(hash_list)):
if hash_list[i].startswith(hash_type+':'):
break
for j in range(i, len(hash_list)):
if string_to_find in hash_list[j].strip(' ') and string_to_find+"." not in hash_list[j].strip(' '):
hash_entry = list(filter(lambda s: s != '', hash_list[j].strip('').split(' ')))
if hash_entry[2].startswith(".work_"):
continue
print(hash_entry[0])
break
if __name__ == '__main__':
if len(sys.argv) < 4:
sys.exit('Too few arguments, I need the path to a Packages file, a package name and a version, or an InRelease file, an architecture and a component name. Exiting')
if sys.argv[1].endswith('Packages'):
get_pkg_hash_from_Packages(sys.argv[1], sys.argv[2], sys.argv[3])
elif sys.argv[1].endswith(('InRelease', 'Release')):
get_Packages_hash_from_Release(sys.argv[1], sys.argv[2], sys.argv[3])
else:
sys.exit(sys.argv[1]+' does not seem to be a path to a Packages or InRelease/Release file')