def availablePackages(pattern):
"""Returns a list of packages matching the given pattern.
The packages are returned as (category, package, version, revision) tuple.
No test for keywords or mask is performed. The function just returns
every matching pattern in the portage tree and installed overlays.
"""
return [cps(l)
for l in cmd.getoutput('equery -q list -po ' + pattern).split()]
def normalize_cpv(cpv):
if type(cpv) == type(''):
try:
cpv_ = cps(cpv)
cpv_[-1]
cpv = cpv_
except:
cpv = availablePackages(cpv)[-1]
if cpv[-1] != 'r0':
return '%s/%s-%s-%s' % cpv
else:
return '%s/%s-%s' % cpv[:-1]
def getDependencies(package, env={}, split=False):
pkg = normalize_cpv(package)
cmd = ['emerge', '--ignore-default-opts', '=' + pkg, '-poq']
proc = sp.Popen(cmd, stdout=sp.PIPE, stderr=sp.PIPE, env=env)
output = proc.communicate()[0]
if proc.returncode != 0:
return []
lines = output.strip().split('\n')
if not lines[0]:
return []
if split:
return [cps(shlex.split(l.strip())[-1]) for l in lines]
else:
return [shlex.split(l.strip())[-1] for l in lines]
