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.wheel.wheel_ext()。
def _link_sort_key(self, link_tuple): """ Function used to generate link sort key for link tuples. The greater the return value, the more preferred it is. If not finding wheels, then sorted by version only. If finding wheels, then the sort order is by version, then: 1. existing installs 2. wheels ordered via Wheel.support_index_min() 3. source archives Note: it was considered to embed this logic into the Link comparison operators, but then different sdist links with the same version, would have to be considered equal """ parsed_version, link, _ = link_tuple if self.use_wheel: support_num = len(supported_tags) if link == INSTALLED_VERSION: pri = 1 elif link.ext == wheel_ext: wheel = Wheel(link.filename) # can raise InvalidWheelFilename if not wheel.supported(): raise UnsupportedWheel("%s is not a supported wheel for this platform. It can't be sorted." % wheel.filename) pri = -(wheel.support_index_min()) else: # sdist pri = -(support_num) return (parsed_version, pri) else: return parsed_version
def _known_extensions(self): extensions = ('.tar.gz', '.tar.bz2', '.tar', '.tgz', '.zip') if self.use_wheel: return extensions + (wheel_ext,) return extensions
def from_line(cls, name, comes_from=None, prereleases=None): """Creates an InstallRequirement from a name, which might be a requirement, directory containing 'setup.py', filename, or URL. """ url = None name = name.strip() req = None path = os.path.normpath(os.path.abspath(name)) link = None if is_url(name): link = Link(name) elif os.path.isdir(path) and (os.path.sep in name or name.startswith('.')): if not is_installable_dir(path): raise InstallationError("Directory %r is not installable. File 'setup.py' not found." % name) link = Link(path_to_url(name)) elif is_archive_file(path): if not os.path.isfile(path): logger.warn('Requirement %r looks like a filename, but the file does not exist', name) link = Link(path_to_url(name)) # If the line has an egg= definition, but isn't editable, pull the requirement out. # Otherwise, assume the name is the req for the non URL/path/archive case. if link and req is None: url = link.url_without_fragment req = link.egg_fragment #when fragment is None, this will become an 'unnamed' requirement # Handle relative file URLs if link.scheme == 'file' and re.search(r'\.\./', url): url = path_to_url(os.path.normpath(os.path.abspath(link.path))) # fail early for invalid or unsupported wheels if link.ext == wheel_ext: wheel = Wheel(link.filename) # can raise InvalidWheelFilename if not wheel.supported(): raise UnsupportedWheel("%s is not a supported wheel on this platform." % wheel.filename) else: req = name return cls(req, comes_from, url=url, prereleases=prereleases)
def __init__(self, url, comes_from=None, internal=None, trusted=None): self.url = url self.comes_from = comes_from self.internal = internal self.trusted = trusted # Set whether it's a wheel self.wheel = None if url != Inf and self.splitext()[1] == wheel_ext: self.wheel = Wheel(self.filename)
def is_wheel(self): return self.ext == wheel_ext # An object to represent the "link" for the installed version of a requirement. # Using Inf as the url makes it sort higher.
