def get_wheel_deps(wheel_dir):
from wheel.pkginfo import read_pkg_info_bytes
from wheel.wheelfile import WheelFile
requires_dist_re = re.compile(r"""^(?P<name>\S+)(\s\((?P<spec>.+)\))?$""")
packages = {}
dependencies = {}
for whl_path in locate_wheels(wheel_dir):
try:
with WheelFile(whl_path) as whl:
pkg_info = read_pkg_info_bytes(whl.read(whl.dist_info_path + '/METADATA'))
lib_name = pkg_info.get('Name')
if should_skip_lib(lib_name):
continue
packages[lib_name] = {
'version': pkg_info.get('Version'),
'source': whl_path
}
requires = pkg_info.get_all('Requires-Dist')
for req in requires:
parsed = requires_dist_re.match(req.split(';')[0].strip())
req_name, spec = parsed.group('name', 'spec')
spec = ','.join(sorted(spec.split(','))) if spec else ''
if not req_name in dependencies:
dependencies[req_name] = {}
if not spec in dependencies[req_name]:
dependencies[req_name][spec] = []
dependencies[req_name][spec].append(lib_name)
except:
print('Failed to parse METADATA from %s' % (whl_path))
return packages, dependencies
def get_wheel_deps(wheel_dir):
from wheel.pkginfo import read_pkg_info_bytes
from wheel.wheelfile import WheelFile
packages = {}
dependencies = {}
for whl_path in locate_wheels(wheel_dir):
try:
with WheelFile(whl_path) as whl:
pkg_info = read_pkg_info_bytes(whl.read(whl.dist_info_path + '/METADATA'))
lib_name = pkg_info.get('Name')
packages[lib_name] = {
'version': pkg_info.get('Version'),
'source': whl_path,
'deps': []
}
requires = pkg_info.get_all('Requires-Dist')
for req in requires:
req = req.split(';')[0] # Extras conditions appear after a semicolon
req = re.sub(r'[\s\(\)]', '', req) # Version specifiers appear in parentheses
req_name, spec = parse_req(req)
packages[lib_name]['deps'].append({
'name': req_name,
'version': spec
})
if not report_should_skip_lib(lib_name):
record_dep(dependencies, req_name, spec, lib_name)
except:
print('Failed to parse METADATA from %s' % (whl_path))
return packages, dependencies
def parse_to_db(session, pkg_infos):
pkginfo_insert = PKGINFO.__table__.insert()
i = 0
for file in pkg_infos:
try:
pkginfo = read_pkg_info_bytes(file.contents)
except Exception as e:
# doesn't happen
session.execute(pkginfo_insert, {
'file_id': file.id,
'key': 'error',
'value': repr(e)
})
continue
# XXX delete old values (or purge entire table)
for key, value in pkginfo.items():
if key.lower() == 'description':
continue
key = key.title()
try:
key = key.decode('latin1')
value = value.decode('utf-8')
except UnicodeDecodeError:
value = value.decode('latin1')
session.execute(pkginfo_insert, {
'file_id': file.id,
'key': key,
'value': value
})
i += 1
if (i % 10000) == 0:
print i
def test_success(project, requirements):
subprocess.check_call(
['pip', 'wheel', '--no-build-isolation', '--no-deps', '.'],
cwd=project)
meta = _get_wheel_metadata(project)
info = pkginfo.read_pkg_info_bytes(meta)
assert info.get_all('Requires-Dist') == ['flask'] + requirements
def build_wheel(self, wheel_directory, config_settings=None, metadata_directory=None):
requirements_path = Path('requirements.txt')
if not requirements_path.exists():
raise ValueError('"requirements.txt" file must be present when using setup_requirements build backend')
result_basename = super().build_wheel(
wheel_directory, config_settings=config_settings, metadata_directory=metadata_directory
)
wheel_file = Path(wheel_directory) / result_basename
with zipfile.ZipFile(wheel_file) as zf:
metas = [f for f in zf.infolist() if os.path.basename(f.filename) == 'METADATA']
assert len(metas) == 1, 'METADATA file not found in final wheel file'
meta = metas[0]
info = pkginfo.read_pkg_info_bytes(zf.read(meta))
for requirement in parse_requirements(requirements_path.read_text()):
info['Requires-Dist'] = str(requirement)
with tempfile.NamedTemporaryFile() as tmp:
pkginfo.write_pkg_info(tmp.name, info)
tmp.seek(0)
new_meta = tmp.read()
zip_overwrite(wheel_file, meta, new_meta)
return result_basename
def get_wheel_deps(wheel_dir):
from wheel.pkginfo import read_pkg_info_bytes
from wheel.wheelfile import WheelFile
requires_dist_re = re.compile(r"""^(?P<name>\S+)(\s\((?P<spec>.+)\))?$""")
packages = {}
dependencies = {}
for whl_path in locate_wheels(wheel_dir):
try:
with WheelFile(whl_path) as whl:
pkg_info = read_pkg_info_bytes(
whl.read(whl.dist_info_path + '/METADATA'))
lib_name = pkg_info.get('Name')
if should_skip_lib(lib_name):
continue
packages[lib_name] = {
'version': pkg_info.get('Version'),
'source': whl_path
}
requires = pkg_info.get_all('Requires-Dist')
for req in requires:
parsed = requires_dist_re.match(req.split(';')[0].strip())
req_name, spec = parsed.group('name', 'spec')
spec = ','.join(sorted(spec.split(','))) if spec else ''
if not req_name in dependencies:
dependencies[req_name] = {}
if not spec in dependencies[req_name]:
dependencies[req_name][spec] = []
dependencies[req_name][spec].append(lib_name)
except:
print('Failed to parse METADATA from %s' % (whl_path))
return packages, dependencies
def get_info(wheelfile):
# Work round wheel API changes
try:
return wheelfile.parsed_wheel_info
except AttributeError:
pass
# Wheel 0.32.0
from wheel.pkginfo import read_pkg_info_bytes
info_name = _get_wheelinfo_name(wheelfile)
return read_pkg_info_bytes(wheelfile.read(info_name))
def _collect_tags(self, wheel_metadata):
pyver, abi, plat = set(), set(), set()
pkginfo = read_pkg_info_bytes(wheel_metadata)
tags = pkginfo.get_all("tag")
for tag in tags:
t_pyver, t_abi, t_plat = tag.split("-")
pyver.add(t_pyver)
abi.add(t_abi)
plat.add(t_plat)
return "%s-%s-%s" % tuple([
".".join(sorted(tag)) for tag in (pyver, abi, plat)])
def _collect_tags(self, wheel_metadata):
pyver, abi, plat = set(), set(), set()
pkginfo = read_pkg_info_bytes(wheel_metadata)
tags = pkginfo.get_all("tag")
for tag in tags:
t_pyver, t_abi, t_plat = tag.split("-")
pyver.add(t_pyver)
abi.add(t_abi)
plat.add(t_plat)
return "%s-%s-%s" % tuple(
[".".join(sorted(tag)) for tag in (pyver, abi, plat)])
def get_package_info(package):
package = str(package)
name, description, long_description = '', '', ''
if package.endswith('.whl'):
wf = wheelfile.WheelFile(package)
ef = wf.open(posixpath.join(wf.dist_info_path, 'METADATA'))
pkg_info = pkginfo.read_pkg_info_bytes(ef.read())
name = pkg_info['Name']
description = pkg_info['Summary']
long_description = pkg_info.get_payload()
ef.close()
wf.close()
if package.endswith('.egg'):
with zipfile.ZipFile(package) as zf:
with zf.open(posixpath.join('EGG-INFO', 'PKG-INFO')) as fp:
value = fp.read().decode('utf-8')
pkg_info = email.parser.Parser().parsestr(value)
name = pkg_info['Name']
description = pkg_info['Summary']
long_description = pkg_info['Description']
long_description = '\n'.join((line.strip() for line in StringIO(long_description)))
return name, description, long_description
def parsed_wheel_info(self):
"""Parse wheel metadata (the .data/WHEEL file)"""
return read_pkg_info_bytes(self.zipfile.read(self.wheelinfo_name))
def parsed_wheel_info(self):
"""Parse wheel metadata (the .data/WHEEL file)"""
return read_pkg_info_bytes(self.zipfile.read(self.wheelinfo_name))
def is_purelib(self):
"""Returns True if the Wheel is a purelib."""
wheel_info = pkginfo.read_pkg_info_bytes(
self.distribution.get_metadata(self.WHEEL_INFO).encode("utf-8")
)
return wheel_info["Root-Is-Purelib"] == "true"