def main(args):
"""Entry point for Python 3"""
if args.verbose or environ.get('PYCLEAN_DEBUG') == '1':
log.setLevel(logging.DEBUG)
log.debug('argv: %s', sys.argv)
log.debug('args: %s', args)
else:
log.setLevel(logging.WARNING)
if args.version:
if args.version.endswith('3.1'): # 3.1, -3.1
magic_tag = False
else:
magic_tag = get_magic_tag_to_remove(getver(args.version))
d = destroyer(magic_tag)
else:
d = destroyer() # remove everything
next(d) # initialize coroutine
if args.package:
for pkg in args.package:
log.info('cleaning package %s', pkg)
pfiles = set(dpf.from_package(pkg))
if args.directory:
log.info('cleaning directories: %s', args.directory)
files = set(dpf.from_directory(args.directory))
if args.package:
files = files & pfiles
else:
files = pfiles
for filename in files:
d.send(filename)
def so2pyver(fpath):
"""Return libpython version file is linked to or None.
:rtype: tuple
:returns: Python version
"""
cmd = "readelf -Wd '%s'" % fpath
process = Popen(cmd, stdout=PIPE, shell=True)
match = SHAREDLIB_RE.search(process.stdout.read())
if match:
return getver(match.groups()[0])
def so2pyver(fpath):
"""Return libpython version file is linked to or None.
:rtype: tuple
:returns: Python version
"""
cmd = "readelf -Wd '%s'" % fpath
process = Popen(cmd, stdout=PIPE, shell=True)
match = SHAREDLIB_RE.search(process.stdout.read())
if match:
return getver(match.groups()[0])
def shebang2pyver(fpath):
"""Check file's shebang.
:rtype: tuple
:returns: pair of Python interpreter string and Python version
"""
try:
with open(fpath) as fp:
data = fp.read(32)
match = SHEBANG_RE.match(data)
if not match:
return None
res = match.groups()
if res != (None, None):
if res[1]:
res = res[0], getver(res[1])
return res
except IOError:
log.error('cannot open %s', fpath)
def shebang2pyver(fpath):
"""Check file's shebang.
:rtype: tuple
:returns: pair of Python interpreter string and Python version
"""
try:
with open(fpath) as fp:
data = fp.read(32)
match = SHEBANG_RE.match(data)
if not match:
return None
res = match.groups()
if res != (None, None):
if res[1]:
res = res[0], getver(res[1])
return res
except IOError:
log.error('cannot open %s', fpath)
def guess_dependency(req, version=None):
log.debug('trying to guess dependency for %s (python=%s)', req,
vrepr(version) if version else None)
if isinstance(version, basestring):
version = getver(version)
# some upstreams have weird ideas for distribution name...
name, rest = re.compile('([^!><= \[]+)(.*)').match(req).groups()
req = safe_name(name) + rest
data = load()
req_d = REQUIRES_RE.match(req)
if not req_d:
log.info('please ask dh_python2 author to fix REQUIRES_RE '
'or your upstream author to fix requires.txt')
raise Exception('requirement is not valid: %s' % req)
req_d = req_d.groupdict()
name = req_d['name']
details = data.get(name.lower())
if details:
for item in details:
if version and version not in item.get('versions', version):
# rule doesn't match version, try next one
continue
if not item['dependency']:
return # this requirement should be ignored
if item['dependency'].endswith(')'):
# no need to translate versions if version is hardcoded in
# Debian dependency
return item['dependency']
if req_d['version'] and (item['standard'] or item['rules']) and\
req_d['operator'] not in (None, '=='):
v = _translate(req_d['version'], item['rules'],
item['standard'])
return "%s (%s %s)" % (item['dependency'], req_d['operator'],
v)
else:
return item['dependency']
# try dpkg -S
query = "'*/%s-?*\.egg-info'" % ci_regexp(
safe_name(name)) # TODO: .dist-info
if version:
query = "%s | grep '/python%s/\|/pyshared/'" % \
(query, vrepr(version))
else:
query = "%s | grep '/python2\../\|/pyshared/'" % query
log.debug("invoking dpkg -S %s", query)
process = Popen("/usr/bin/dpkg -S %s" % query, \
shell=True, stdout=PIPE, stderr=PIPE)
stdout, stderr = process.communicate()
if process.returncode == 0:
result = set()
for line in stdout.split('\n'):
if not line.strip():
continue
result.add(line.split(':')[0])
if len(result) > 1:
log.error('more than one package name found for %s dist', name)
else:
return result.pop()
else:
log.debug('dpkg -S did not find package for %s: %s', name, stderr)
# fall back to python-distname
pname = sensible_pname(name)
log.info(
'Cannot find installed package that provides %s. '
'Using %s as package name. Please add "%s correct_package_name" '
'line to debian/pydist-overrides to override it if this is incorrect.',
name, pname, safe_name(name))
return pname
def guess_dependency(req, version=None):
log.debug('trying to guess dependency for %s (python=%s)',
req, vrepr(version) if version else None)
if isinstance(version, basestring):
version = getver(version)
# some upstreams have weird ideas for distribution name...
name, rest = re.compile('([^><= \[]+)(.*)').match(req).groups()
req = safe_name(name) + rest
data = load()
req_dict = REQUIRES_RE.match(req)
if not req_dict:
log.info('please ask dh_python2 author to fix REQUIRES_RE '
'or your upstream author to fix requires.txt')
raise Exception('requirement is not valid: %s' % req)
req_dict = req_dict.groupdict()
name = req_dict['name']
details = data.get(name.lower())
if details:
for item in details:
if version and version not in item.get('versions', version):
# rule doesn't match version, try next one
continue
if not item['dependency']:
return # this requirement should be ignored
if item['dependency'].endswith(')'):
# no need to translate versions if version is hardcoded in Debian
# dependency
return item['dependency']
if req_dict['version']:
# FIXME: translate it (rules, versions)
return item['dependency']
else:
return item['dependency']
# try dpkg -S
query = "'*/%s-?*\.egg-info'" % ci_regexp(safe_name(name)) # TODO: .dist-info
if version:
query = "%s | grep '/python%s/\|/pyshared/'" % \
(query, vrepr(version))
else:
query = "%s | grep '/python2\../\|/pyshared/'" % query
log.debug("invoking dpkg -S %s", query)
process = Popen("/usr/bin/dpkg -S %s" % query, \
shell=True, stdout=PIPE, stderr=PIPE)
stdout, stderr = process.communicate()
if process.returncode == 0:
result = set()
for line in stdout.split('\n'):
if not line.strip():
continue
result.add(line.split(':')[0])
if len(result) > 1:
log.error('more than one package name found for %s dist', name)
else:
return result.pop()
else:
log.debug('dpkg -S did not find package for %s: %s', name, stderr)
# fall back to python-distname
pname = sensible_pname(name)
log.warn('Cannot find installed package that provides %s. '
'Using %s as package name. Please add "%s correct_package_name" '
'line to debian/pydist-overrides to override it if this is incorrect.',
name, pname, safe_name(name))
return pname
