Python pip._vendor.pkg_resources 模块，safe_name() 实例源码

def fmt_ctl_handle_mutual_exclude(value, target, other):
    new = value.split(',')
    while ':all:' in new:
        other.clear()
        target.clear()
        target.add(':all:')
        del new[:new.index(':all:') + 1]
        if ':none:' not in new:
            # Without a none, we want to discard everything as :all: covers it
            return
    for name in new:
        if name == ':none:':
            target.clear()
            continue
        name = pkg_resources.safe_name(name).lower()
        other.discard(name)
        target.add(name)

def fmt_ctl_handle_mutual_exclude(value, target, other):
    new = value.split(',')
    while ':all:' in new:
        other.clear()
        target.clear()
        target.add(':all:')
        del new[:new.index(':all:') + 1]
        if ':none:' not in new:
            # Without a none, we want to discard everything as :all: covers it
            return
    for name in new:
        if name == ':none:':
            target.clear()
            continue
        name = pkg_resources.safe_name(name).lower()
        other.discard(name)
        target.add(name)

def fmt_ctl_handle_mutual_exclude(value, target, other):
    new = value.split(',')
    while ':all:' in new:
        other.clear()
        target.clear()
        target.add(':all:')
        del new[:new.index(':all:') + 1]
        if ':none:' not in new:
            # Without a none, we want to discard everything as :all: covers it
            return
    for name in new:
        if name == ':none:':
            target.clear()
            continue
        name = pkg_resources.safe_name(name).lower()
        other.discard(name)
        target.add(name)

def fmt_ctl_handle_mutual_exclude(value, target, other):
    new = value.split(',')
    while ':all:' in new:
        other.clear()
        target.clear()
        target.add(':all:')
        del new[:new.index(':all:') + 1]
        if ':none:' not in new:
            # Without a none, we want to discard everything as :all: covers it
            return
    for name in new:
        if name == ':none:':
            target.clear()
            continue
        name = pkg_resources.safe_name(name).lower()
        other.discard(name)
        target.add(name)

def fmt_ctl_handle_mutual_exclude(value, target, other):
    new = value.split(',')
    while ':all:' in new:
        other.clear()
        target.clear()
        target.add(':all:')
        del new[:new.index(':all:') + 1]
        if ':none:' not in new:
            # Without a none, we want to discard everything as :all: covers it
            return
    for name in new:
        if name == ':none:':
            target.clear()
            continue
        name = pkg_resources.safe_name(name).lower()
        other.discard(name)
        target.add(name)

def fmt_ctl_handle_mutual_exclude(value, target, other):
    new = value.split(',')
    while ':all:' in new:
        other.clear()
        target.clear()
        target.add(':all:')
        del new[:new.index(':all:') + 1]
        if ':none:' not in new:
            # Without a none, we want to discard everything as :all: covers it
            return
    for name in new:
        if name == ':none:':
            target.clear()
            continue
        name = pkg_resources.safe_name(name).lower()
        other.discard(name)
        target.add(name)

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def canonicalize_name(name):
    """Convert an arbitrary string to a canonical name used for comparison"""
    return pkg_resources.safe_name(name).lower()

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def cached_wheel(cache_dir, link, format_control, package_name):
    if not cache_dir:
        return link
    if not link:
        return link
    if link.is_wheel:
        return link
    if not link.is_artifact:
        return link
    if not package_name:
        return link
    canonical_name = pkg_resources.safe_name(package_name).lower()
    formats = pip.index.fmt_ctl_formats(format_control, canonical_name)
    if "binary" not in formats:
        return link
    root = _cache_for_link(cache_dir, link)
    try:
        wheel_names = os.listdir(root)
    except OSError as e:
        if e.errno == errno.ENOENT:
            return link
        raise
    candidates = []
    for wheel_name in wheel_names:
        try:
            wheel = Wheel(wheel_name)
        except InvalidWheelFilename:
            continue
        if not wheel.supported():
            # Built for a different python/arch/etc
            continue
        candidates.append((wheel.support_index_min(), wheel_name))
    if not candidates:
        return link
    candidates.sort()
    path = os.path.join(root, candidates[0][1])
    return pip.index.Link(path_to_url(path), trusted=True)

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))

def name(self):
        if self.req is None:
            return None
        return native_str(pkg_resources.safe_name(self.req.name))