termux-packages/scripts/get_hash_from_file.py

45 lines
1.9 KiB
Python
Executable File

#!/usr/bin/env python
import os, sys
def get_pkg_hash_from_Packages(Packages_file, package, version, hash="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 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):
print(line.split(" ")[1])
break
def get_Packages_hash_from_Release(Release_file, arch, component, hash="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+':'):
break
for j in range(i, len(hash_list)):
if string_to_find in hash_list[j].strip(' '):
print(hash_list[j].strip(' ').split(' ')[0])
break
if __name__ == '__main__':
if len(sys.argv) < 2:
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')