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Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
_distutils	[ DIR ]	drwxr-xr-x
_vendor	[ DIR ]	drwxr-xr-x
command	[ DIR ]	drwxr-xr-x
compat	[ DIR ]	drwxr-xr-x
config	[ DIR ]	drwxr-xr-x
extern	[ DIR ]	drwxr-xr-x
__init__.py	8.74 KB	-rw-r--r--
_core_metadata.py	9.6 KB	-rw-r--r--
_entry_points.py	2.28 KB	-rw-r--r--
_imp.py	2.39 KB	-rw-r--r--
_importlib.py	1.42 KB	-rw-r--r--
_itertools.py	675 B	-rw-r--r--
_normalization.py	4.46 KB	-rw-r--r--
_path.py	1.15 KB	-rw-r--r--
_reqs.py	1.09 KB	-rw-r--r--
archive_util.py	7.16 KB	-rw-r--r--
build_meta.py	18.64 KB	-rw-r--r--
cli-32.exe	11.5 KB	-rw-r--r--
cli-64.exe	14 KB	-rw-r--r--
cli-arm64.exe	13.5 KB	-rw-r--r--
cli.exe	11.5 KB	-rw-r--r--
depends.py	5.42 KB	-rw-r--r--
discovery.py	20.63 KB	-rw-r--r--
dist.py	37.04 KB	-rw-r--r--
errors.py	2.61 KB	-rw-r--r--
extension.py	5.66 KB	-rw-r--r--
glob.py	4.74 KB	-rw-r--r--
gui-32.exe	11.5 KB	-rw-r--r--
gui-64.exe	14 KB	-rw-r--r--
gui-arm64.exe	13.5 KB	-rw-r--r--
gui.exe	11.5 KB	-rw-r--r--
installer.py	4.85 KB	-rw-r--r--
launch.py	812 B	-rw-r--r--
logging.py	1.21 KB	-rw-r--r--
modified.py	190 B	-rw-r--r--
monkey.py	4.23 KB	-rw-r--r--
msvc.py	46.42 KB	-rw-r--r--
namespaces.py	3.05 KB	-rw-r--r--
package_index.py	38.17 KB	-rw-r--r--
sandbox.py	14.38 KB	-rw-r--r--
script (dev).tmpl	218 B	-rw-r--r--
script.tmpl	138 B	-rw-r--r--
unicode_utils.py	3.11 KB	-rw-r--r--
version.py	161 B	-rw-r--r--
warnings.py	3.61 KB	-rw-r--r--
wheel.py	8.48 KB	-rw-r--r--
windows_support.py	720 B	-rw-r--r--

Code Editor : _normalization.py

"""
Helpers for normalization as expected in wheel/sdist/module file names
and core metadata
"""

import re

from .extern import packaging

# https://packaging.python.org/en/latest/specifications/core-metadata/#name
_VALID_NAME = re.compile(r"^([A-Z0-9]|[A-Z0-9][A-Z0-9._-]*[A-Z0-9])$", re.I)
_UNSAFE_NAME_CHARS = re.compile(r"[^A-Z0-9._-]+", re.I)
_NON_ALPHANUMERIC = re.compile(r"[^A-Z0-9]+", re.I)
_PEP440_FALLBACK = re.compile(r"^v?(?P<safe>(?:[0-9]+!)?[0-9]+(?:\.[0-9]+)*)", re.I)

def safe_identifier(name: str) -> str:
    """Make a string safe to be used as Python identifier.
    >>> safe_identifier("12abc")
    '_12abc'
    >>> safe_identifier("__editable__.myns.pkg-78.9.3_local")
    '__editable___myns_pkg_78_9_3_local'
    """
    safe = re.sub(r'\W|^(?=\d)', '_', name)
    assert safe.isidentifier()
    return safe

def safe_name(component: str) -> str:
    """Escape a component used as a project name according to Core Metadata.
    >>> safe_name("hello world")
    'hello-world'
    >>> safe_name("hello?world")
    'hello-world'
    >>> safe_name("hello_world")
    'hello_world'
    """
    # See pkg_resources.safe_name
    return _UNSAFE_NAME_CHARS.sub("-", component)

def safe_version(version: str) -> str:
    """Convert an arbitrary string into a valid version string.
    Can still raise an ``InvalidVersion`` exception.
    To avoid exceptions use ``best_effort_version``.
    >>> safe_version("1988 12 25")
    '1988.12.25'
    >>> safe_version("v0.2.1")
    '0.2.1'
    >>> safe_version("v0.2?beta")
    '0.2b0'
    >>> safe_version("v0.2 beta")
    '0.2b0'
    >>> safe_version("ubuntu lts")
    Traceback (most recent call last):
    ...
    setuptools.extern.packaging.version.InvalidVersion: Invalid version: 'ubuntu.lts'
    """
    v = version.replace(' ', '.')
    try:
        return str(packaging.version.Version(v))
    except packaging.version.InvalidVersion:
        attempt = _UNSAFE_NAME_CHARS.sub("-", v)
        return str(packaging.version.Version(attempt))

def best_effort_version(version: str) -> str:
    """Convert an arbitrary string into a version-like string.
    Fallback when ``safe_version`` is not safe enough.
    >>> best_effort_version("v0.2 beta")
    '0.2b0'
    >>> best_effort_version("ubuntu lts")
    '0.dev0+sanitized.ubuntu.lts'
    >>> best_effort_version("0.23ubuntu1")
    '0.23.dev0+sanitized.ubuntu1'
    >>> best_effort_version("0.23-")
    '0.23.dev0+sanitized'
    >>> best_effort_version("0.-_")
    '0.dev0+sanitized'
    >>> best_effort_version("42.+?1")
    '42.dev0+sanitized.1'
    """
    # See pkg_resources._forgiving_version
    try:
        return safe_version(version)
    except packaging.version.InvalidVersion:
        v = version.replace(' ', '.')
        match = _PEP440_FALLBACK.search(v)
        if match:
            safe = match["safe"]
            rest = v[len(safe) :]
        else:
            safe = "0"
            rest = version
        safe_rest = _NON_ALPHANUMERIC.sub(".", rest).strip(".")
        local = f"sanitized.{safe_rest}".strip(".")
        return safe_version(f"{safe}.dev0+{local}")

def safe_extra(extra: str) -> str:
    """Normalize extra name according to PEP 685
    >>> safe_extra("_FrIeNdLy-._.-bArD")
    'friendly-bard'
    >>> safe_extra("FrIeNdLy-._.-bArD__._-")
    'friendly-bard'
    """
    return _NON_ALPHANUMERIC.sub("-", extra).strip("-").lower()

def filename_component(value: str) -> str:
    """Normalize each component of a filename (e.g. distribution/version part of wheel)
    Note: ``value`` needs to be already normalized.
    >>> filename_component("my-pkg")
    'my_pkg'
    """
    return value.replace("-", "_").strip("_")

def filename_component_broken(value: str) -> str:
    """
    Produce the incorrect filename component for compatibility.

See pypa/setuptools#4167 for detailed analysis.

TODO: replace this with filename_component after pip 24 is
    nearly-ubiquitous.

>>> filename_component_broken('foo_bar-baz')
    'foo-bar-baz'
    """
    return value.replace('_', '-')

def safer_name(value: str) -> str:
    """Like ``safe_name`` but can be used as filename component for wheel"""
    # See bdist_wheel.safer_name
    return filename_component(safe_name(value))

def safer_best_effort_version(value: str) -> str:
    """Like ``best_effort_version`` but can be used as filename component for wheel"""
    # See bdist_wheel.safer_verion
    # TODO: Replace with only safe_version in the future (no need for best effort)
    return filename_component(best_effort_version(value))

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Code Editor : _normalization.py