65 lines
2 KiB
Python
65 lines
2 KiB
Python
try:
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from urllib.parse import unquote, quote, urlsplit
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except ImportError:
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from urllib import unquote, quote
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from urlparse import urlsplit
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from re import sub
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class Urn(object):
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separate = "/"
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def __init__(self, path, directory=False):
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self._path = quote(path)
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expressions = "/\.+/", "/+"
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for expression in expressions:
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self._path = sub(expression, Urn.separate, self._path)
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if not self._path.startswith(Urn.separate):
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self._path = "{begin}{end}".format(begin=Urn.separate, end=self._path)
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if directory and not self._path.endswith(Urn.separate):
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self._path = "{begin}{end}".format(begin=self._path, end=Urn.separate)
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def __str__(self):
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return self.path()
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def path(self):
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return unquote(self._path)
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def quote(self):
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return self._path
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def filename(self):
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path_split = self._path.split(Urn.separate)
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name = path_split[-2] + Urn.separate if path_split[-1] == '' else path_split[-1]
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return unquote(name)
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def parent(self):
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path_split = self._path.split(Urn.separate)
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nesting_level = self.nesting_level()
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parent_path_split = path_split[:nesting_level]
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parent = self.separate.join(parent_path_split) if nesting_level != 1 else Urn.separate
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if not parent.endswith(Urn.separate):
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return unquote(parent + Urn.separate)
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else:
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return unquote(parent)
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def nesting_level(self):
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return self._path.count(Urn.separate, 0, -1)
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def is_dir(self):
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return self._path[-1] == Urn.separate
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@staticmethod
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def normalize_path(path):
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result = sub('/{2,}', '/', path)
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return result if len(result) < 1 or result[-1] != Urn.separate else result[:-1]
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@staticmethod
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def compare_path(path_a, href):
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unqouted_path = Urn.separate + unquote(urlsplit(href).path)
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return Urn.normalize_path(path_a) == Urn.normalize_path(unqouted_path)
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