我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用pip._vendor.packaging.version.replace()。
def get_build_platform(): """Return this platform's string for platform-specific distributions XXX Currently this is the same as ``distutils.util.get_platform()``, but it needs some hacks for Linux and Mac OS X. """ try: # Python 2.7 or >=3.2 from sysconfig import get_platform except ImportError: from distutils.util import get_platform plat = get_platform() if sys.platform == "darwin" and not plat.startswith('macosx-'): try: version = _macosx_vers() machine = os.uname()[4].replace(" ", "_") return "macosx-%d.%d-%s" % (int(version[0]), int(version[1]), _macosx_arch(machine)) except ValueError: # if someone is running a non-Mac darwin system, this will fall # through to the default implementation pass return plat
def _warn_unsafe_extraction_path(path): """ If the default extraction path is overridden and set to an insecure location, such as /tmp, it opens up an opportunity for an attacker to replace an extracted file with an unauthorized payload. Warn the user if a known insecure location is used. See Distribute #375 for more details. """ if os.name == 'nt' and not path.startswith(os.environ['windir']): # On Windows, permissions are generally restrictive by default # and temp directories are not writable by other users, so # bypass the warning. return mode = os.stat(path).st_mode if mode & stat.S_IWOTH or mode & stat.S_IWGRP: msg = ("%s is writable by group/others and vulnerable to attack " "when " "used with get_resource_filename. Consider a more secure " "location (set with .set_extraction_path or the " "PYTHON_EGG_CACHE environment variable)." % path) warnings.warn(msg, UserWarning)
def _markerlib_evaluate(cls, text): """ Evaluate a PEP 426 environment marker using markerlib. Return a boolean indicating the marker result in this environment. Raise SyntaxError if marker is invalid. """ from pip._vendor import _markerlib # markerlib implements Metadata 1.2 (PEP 345) environment markers. # Translate the variables to Metadata 2.0 (PEP 426). env = _markerlib.default_environment() for key in env.keys(): new_key = key.replace('.', '_') env[new_key] = env.pop(key) try: result = _markerlib.interpret(text, env) except NameError as e: raise SyntaxError(e.args[0]) return result
def run_script(self, script_name, namespace): script = 'scripts/'+script_name if not self.has_metadata(script): raise ResolutionError("No script named %r" % script_name) script_text = self.get_metadata(script).replace('\r\n', '\n') script_text = script_text.replace('\r', '\n') script_filename = self._fn(self.egg_info, script) namespace['__file__'] = script_filename if os.path.exists(script_filename): source = open(script_filename).read() code = compile(source, script_filename, 'exec') exec(code, namespace, namespace) else: from linecache import cache cache[script_filename] = ( len(script_text), 0, script_text.split('\n'), script_filename ) script_code = compile(script_text, script_filename,'exec') exec(script_code, namespace, namespace)
def build(cls, path): """ Build a dictionary similar to the zipimport directory caches, except instead of tuples, store ZipInfo objects. Use a platform-specific path separator (os.sep) for the path keys for compatibility with pypy on Windows. """ with ContextualZipFile(path) as zfile: items = ( ( name.replace('/', os.sep), zfile.getinfo(name), ) for name in zfile.namelist() ) return dict(items)
def _warn_legacy_version(self): LV = packaging.version.LegacyVersion is_legacy = isinstance(self._parsed_version, LV) if not is_legacy: return # While an empty version is techincally a legacy version and # is not a valid PEP 440 version, it's also unlikely to # actually come from someone and instead it is more likely that # it comes from setuptools attempting to parse a filename and # including it in the list. So for that we'll gate this warning # on if the version is anything at all or not. if not self.version: return tmpl = textwrap.dedent(""" '{project_name} ({version})' is being parsed as a legacy, non PEP 440, version. You may find odd behavior and sort order. In particular it will be sorted as less than 0.0. It is recommend to migrate to PEP 440 compatible versions. """).strip().replace('\n', ' ') warnings.warn(tmpl.format(**vars(self)), PEP440Warning)
def _warn_legacy_version(self): LV = packaging.version.LegacyVersion is_legacy = isinstance(self._parsed_version, LV) if not is_legacy: return # While an empty version is technically a legacy version and # is not a valid PEP 440 version, it's also unlikely to # actually come from someone and instead it is more likely that # it comes from setuptools attempting to parse a filename and # including it in the list. So for that we'll gate this warning # on if the version is anything at all or not. if not self.version: return tmpl = textwrap.dedent(""" '{project_name} ({version})' is being parsed as a legacy, non PEP 440, version. You may find odd behavior and sort order. In particular it will be sorted as less than 0.0. It is recommended to migrate to PEP 440 compatible versions. """).strip().replace('\n', ' ') warnings.warn(tmpl.format(**vars(self)), PEP440Warning)
def add(self, dist, entry=None, insert=True, replace=False): """Add `dist` to working set, associated with `entry` If `entry` is unspecified, it defaults to the ``.location`` of `dist`. On exit from this routine, `entry` is added to the end of the working set's ``.entries`` (if it wasn't already present). `dist` is only added to the working set if it's for a project that doesn't already have a distribution in the set, unless `replace=True`. If it's added, any callbacks registered with the ``subscribe()`` method will be called. """ if insert: dist.insert_on(self.entries, entry) if entry is None: entry = dist.location keys = self.entry_keys.setdefault(entry,[]) keys2 = self.entry_keys.setdefault(dist.location,[]) if not replace and dist.key in self.by_key: # ignore hidden distros return self.by_key[dist.key] = dist if dist.key not in keys: keys.append(dist.key) if dist.key not in keys2: keys2.append(dist.key) self._added_new(dist)
def safe_version(version): """ Convert an arbitrary string to a standard version string """ try: # normalize the version return str(packaging.version.Version(version)) except packaging.version.InvalidVersion: version = version.replace(' ','.') return re.sub('[^A-Za-z0-9.]+', '-', version)
def _preparse_requirement(self, requires_dist): """Convert 'Foobar (1); baz' to ('Foobar ==1', 'baz') Split environment marker, add == prefix to version specifiers as necessary, and remove parenthesis. """ parts = requires_dist.split(';', 1) + [''] distvers = parts[0].strip() mark = parts[1].strip() distvers = re.sub(self.EQEQ, r"\1==\2\3", distvers) distvers = distvers.replace('(', '').replace(')', '') return (distvers, mark)
def to_filename(name): """Convert a project or version name to its filename-escaped form Any '-' characters are currently replaced with '_'. """ return name.replace('-','_')
