def resolve(self):
"""
Downloads this requirement from the VCS repository or archive file and returns metadata from its setup.py.
Returns an error string or None if no error.
"""
tmpdir = tempfile.mkdtemp()
with open(os.devnull, 'w') as devnull:
# Because of a bug in pip when dealing with VCS URLs, we can't use pip to download the repository
if self.vcs == 'git':
subprocess.call(['git', 'clone', '--depth=1', str(self.url), tmpdir], stdout=devnull, stderr=devnull)
elif self.vcs == 'hg':
subprocess.call(['hg', 'clone', str(self.url), tmpdir], stdout=devnull, stderr=devnull)
elif self.vcs is None and self.type == 'archive':
install_url = self._install_req.url
tmparchive = tempfile.mkstemp()[1]
subprocess.call(['curl', '-L', install_url, '-o', tmparchive], stdout=devnull, stderr=devnull)
if install_url.endswith(".gz"):
subprocess.call(['gunzip', '-c', tmparchive], stdout=devnull, stderr=devnull)
install_url = install_url[0:-3]
if install_url.endswith(".tar"):
subprocess.call(['tar', '-xvf', tmparchive, '-C', tmpdir], stdout=devnull, stderr=devnull)
elif install_url.endswith(".zip"):
subprocess.call(['unzip', '-j', '-o', tmparchive, '-d', tmpdir], stdout=devnull, stderr=devnull)
else:
return 'cannot resolve requirement {} (from {}) with unrecognized VCS: {}'.format(
str(self),
str(self._install_req),
self.vcs
)
setup_dict, err = setup_py.setup_info_dir(tmpdir)
if err is not None:
return None, err
rmtree(tmpdir)
self.metadata = setup_dict
return None
def resolve(self):
"""
Downloads this requirement from PyPI and returns metadata from its setup.py.
Returns an error string or None if no error.
"""
tmp_dir = tempfile.mkdtemp()
with open(os.devnull, 'w') as devnull:
try:
cmd = ['install', '--quiet',
'--download', tmp_dir,
'--build', tmp_dir,
'--no-clean', '--no-deps',
'--no-binary', ':all:', str(self.req)]
pip.main(cmd)
except Exception as e:
rmtree(tmp_dir)
return 'error downloading requirement: {}'.format(str(e))
project_dir = path.join(tmp_dir, self.req.project_name)
setup_dict, err = setup_py.setup_info_dir(project_dir)
if err is not None:
return None, err
rmtree(tmp_dir)
self.metadata = setup_dict
return None
def resolve(self):
"""Downloads this requirement from PyPI and returns metadata from its setup.py. Returns an error string or None if no error."""
tmpdir = tempfile.mkdtemp()
with open(os.devnull, 'w') as devnull:
subprocess.call(['pip', 'install', '--build', tmpdir, '--upgrade', '--force-reinstall', '--no-install', '--no-deps', '--no-use-wheel', str(self.req)],
stdout=devnull, stderr=devnull)
projectdir = path.join(tmpdir, self.req.project_name)
setup_dict, err = setup_py.setup_info_dir(projectdir)
if err is not None:
return None, err
shutil.rmtree(tmpdir)
self.metadata = setup_dict
return None
def requirements_from_setup_py(rootdir):
"""
Accepts the root directory of a PyPI package and returns its requirements extracted from its setup.py
Returns [], {'', None}
"""
setup_dict, err = setup_py.setup_info_dir(rootdir)
if err is not None:
return None, err
reqs = []
if 'install_requires' in setup_dict:
req_strs = setup_dict['install_requires']
for req_str in req_strs:
reqs.append(SetupToolsRequirement(pr.Requirement.parse(req_str)))
return reqs, None
def resolve(self):
"""
Downloads this requirement from the VCS repository and returns metadata from its setup.py.
Returns an error string or None if no error.
"""
tmpdir = tempfile.mkdtemp()
with open(os.devnull, 'w') as devnull:
# Because of a bug in pip when dealing with VCS URLs, we can't use pip to download the repository
if self.vcs == 'git':
subprocess.call(['git', 'clone', '--depth=1', self.url, tmpdir], stdout=devnull, stderr=devnull)
elif self.vcs == 'hg':
subprocess.call(['hg', 'clone', self.url, tmpdir], stdout=devnull, stderr=devnull)
else:
return 'cannot resolve requirement %s (from %s) with unrecognized VCS: %s' % (str(self), str(self._install_req), self.vcs)
setup_dict, err = setup_py.setup_info_dir(tmpdir)
if err is not None:
return None, err
shutil.rmtree(tmpdir)
self.metadata = setup_dict
return None
