Created
January 5, 2016 12:57
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import os | |
import subprocess | |
base = [f.rsplit('-', 3)[0] for f in os.listdir('..') if f.endswith('.xz')] | |
downloaded = {'sh'} | |
def clean(p): | |
return p.split('>=')[0].split('=')[0] | |
def deps(pkg): | |
if pkg == 'awk': | |
pkg = 'gawk' | |
out = subprocess.check_output( | |
'pacman -Si "{0}"|grep "Depends On"'.format(pkg), | |
shell=True, | |
) | |
return [clean(p) for p in | |
out[len('Depends On : '):].decode().strip().split() | |
if p not in ['None', 'libncursesw.so=6-64']] | |
def provides(pkg): | |
if pkg == 'awk': | |
pkg = 'gawk' | |
out = subprocess.check_output( | |
'pacman -Si "{0}"|grep "Provides :"'.format(pkg), | |
shell=True, | |
) | |
return [clean(p) for p in out[len("Provides : "):].decode().strip().split() | |
if p not in ['None']] | |
def download(dep): | |
link = subprocess.check_output('pacman -Sp {0}'.format(dep), | |
shell=True).decode().strip() | |
path = link.rsplit(os.sep)[-1] | |
if not os.path.exists(path): | |
print("downloading {0}".format(dep)) | |
subprocess.check_output('wget {0}'.format(link), shell=True) | |
def resolve(pkg): | |
if pkg in downloaded: | |
return | |
print("resolving {0}".format(pkg)) | |
dependencies = deps(pkg) | |
for dep in dependencies: | |
resolve(dep) | |
download(dep) | |
downloaded.add(pkg) | |
for provided in provides(pkg): | |
downloaded.add(provided) | |
for pkg in base: | |
resolve(pkg) |
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