def from_name(cls, name):
distribution = super().from_name(name)
temp_dir = Path(cls._cachedir.name)
dist_dir = None
files = distribution.files or []
prep = importlib_metadata.Prepared(distribution.name)
normalized = prep.normalized
legacy_normalized = prep.legacy_normalized
for file in files:
# patch: the onionshare and onionshare_cli files are using absolute paths, which break everything
if name in ["onionshare", "onionshare_cli"]:
if ".dist-info" not in file.as_posix():
continue
file = CustomPackagePath(file)
if (not file.match(f"{name}-*.dist-info/*") and
not file.match(f"{distribution.name}-*.dist-info/*")
and not file.match(f"{normalized}-*.dist-info/*") and
not file.match(f"{legacy_normalized}-*.dist-info/*")):
continue
src_path = file.locate()
if not src_path.exists():
continue
dst_path = temp_dir / file.as_posix()
if dist_dir is None:
dist_dir = dst_path.parent
dist_dir.mkdir(exist_ok=True)
shutil.copy2(src_path, dst_path)
if dist_dir is None:
raise importlib_metadata.PackageNotFoundError(name)
return cls.at(dist_dir)
def from_name(cls, name):
distribution = super().from_name(name)
# Cache dist-info files in a temporary directory
temp_dir = Path(cls._cachedir.name)
dist_dir = None
files = distribution.files or []
prep = importlib_metadata.Prepared(distribution.name)
normalized = prep.normalized
legacy_normalized = prep.legacy_normalized
for file in files:
# only existing dist-info files
if (not file.match(f"{name}-*.dist-info/*")
and not file.match(f"{distribution.name}-*.dist-info/*")
and not file.match(f"{normalized}-*.dist-info/*")
and not file.match(f"{legacy_normalized}-*.dist-info/*")):
continue
src_path = file.locate()
if not src_path.exists():
continue
dst_path = temp_dir / file.as_posix()
if dist_dir is None:
dist_dir = dst_path.parent
dist_dir.mkdir(exist_ok=True)
shutil.copy2(src_path, dst_path)
if dist_dir is None:
raise importlib_metadata.PackageNotFoundError(name)
return cls.at(dist_dir)
def require_version(requirement: str, hint: Optional[str] = None) -> None:
"""
Perform a runtime check of the dependency versions, using the exact same syntax used by pip.
The installed module version comes from the `site-packages` dir via `importlib_metadata`.
Args:
requirement (:obj:`str`): pip style definition, e.g., "tokenizers==0.9.4", "tqdm>=4.27", "numpy"
hint (:obj:`str`, `optional`): what suggestion to print in case of requirements not being met
"""
hint = f"\n{hint}" if hint is not None else ""
# non-versioned check
if re.match(r"^[\w_\-\d]+$", requirement):
pkg, op, want_ver = requirement, None, None
else:
match = re.findall(r"^([^!=<>\s]+)([\s!=<>]{1,2}.+)", requirement)
if not match:
raise ValueError(
f"requirement needs to be in the pip package format, .e.g., package_a==1.23, or package_b>=1.23, but got {requirement}"
)
pkg, want_full = match[0]
want_range = want_full.split(
",") # there could be multiple requirements
wanted = {}
for w in want_range:
match = re.findall(r"^([\s!=<>]{1,2})(.+)", w)
if not match:
raise ValueError(
f"requirement needs to be in the pip package format, .e.g., package_a==1.23, or package_b>=1.23, but got {requirement}"
)
op, want_ver = match[0]
wanted[op] = want_ver
if op not in ops:
raise ValueError(
f"{requirement}: need one of {list(ops.keys())}, but got {op}"
)
# special case
if pkg == "python":
got_ver = ".".join([str(x) for x in sys.version_info[:3]])
for op, want_ver in wanted.items():
_compare_versions(op, got_ver, want_ver, requirement, pkg, hint)
return
# check if any version is installed
try:
got_ver = importlib_metadata.version(pkg)
except importlib_metadata.PackageNotFoundError:
raise importlib_metadata.PackageNotFoundError(
f"The '{requirement}' distribution was not found and is required by this application. {hint}"
)
# check that the right version is installed if version number or a range was provided
if want_ver is not None:
for op, want_ver in wanted.items():
_compare_versions(op, got_ver, want_ver, requirement, pkg, hint)
def require_version(requirement: str, hint: Optional[str] = None) -> None:
"""
Perform a runtime check of the dependency versions, using the exact same syntax used by pip.
The installed module version comes from the `site-packages` dir via `importlib_metadata`.
Args:
requirement (:obj:`str`): pip style definition, e.g., "tokenizers==0.9.4", "tqdm>=4.27", "numpy"
hint (:obj:`str`, `optional`): what suggestion to print in case of requirements not being met
"""
# note: while pkg_resources.require_version(requirement) is a much simpler way to do it, it
# fails if some of the dependencies of the dependencies are not matching, which is not necessarily
# bad, hence the more complicated check - which also should be faster, since it doesn't check
# dependencies of dependencies.
hint = f"\n{hint}" if hint is not None else ""
# non-versioned check
if re.match(r"^[\w_\-\d]+$", requirement):
pkg, op, want_ver = requirement, None, None
else:
match = re.findall(r"^([^!=<>\s]+)([\s!=<>]{1,2})(.+)", requirement)
if not match:
raise ValueError(
f"requirement needs to be in the pip package format, .e.g., package_a==1.23, or package_b>=1.23, but got {requirement}"
)
pkg, op, want_ver = match[0]
if op not in ops:
raise ValueError(f"need one of {list(ops.keys())}, but got {op}")
# special case
if pkg == "python":
got_ver = ".".join([str(x) for x in sys.version_info[:3]])
if not ops[op](version.parse(got_ver), version.parse(want_ver)):
raise ImportError(
f"{requirement} is required for a normal functioning of this module, but found {pkg}=={got_ver}."
)
return
# check if any version is installed
try:
got_ver = importlib_metadata.version(pkg)
except importlib_metadata.PackageNotFoundError:
raise importlib_metadata.PackageNotFoundError(
f"The '{requirement}' distribution was not found and is required by this application. {hint}"
)
# check that the right version is installed if version number was provided
if want_ver is not None and not ops[op](version.parse(got_ver), version.parse(want_ver)):
raise ImportError(
f"{requirement} is required for a normal functioning of this module, but found {pkg}=={got_ver}.{hint}"
)