Python parse.unquote方法代码示例

# 需要导入模块: from future.backports.urllib import parse [as 别名]
# 或者: from future.backports.urllib.parse import unquote [as 别名]
def translate_path(self, path):
        """Translate a /-separated PATH to the local filename syntax.

        Components that mean special things to the local file system
        (e.g. drive or directory names) are ignored.  (XXX They should
        probably be diagnosed.)

        """
        # abandon query parameters
        path = path.split('?',1)[0]
        path = path.split('#',1)[0]
        path = posixpath.normpath(urllib_parse.unquote(path))
        words = path.split('/')
        words = filter(None, words)
        path = os.getcwd()
        for word in words:
            drive, word = os.path.splitdrive(word)
            head, word = os.path.split(word)
            if word in (os.curdir, os.pardir): continue
            path = os.path.join(path, word)
        return path 

# 需要导入模块: from future.backports.urllib import parse [as 别名]
# 或者: from future.backports.urllib.parse import unquote [as 别名]
def test_unquoting(self):
        # Make sure unquoting of all ASCII values works
        escape_list = []
        for num in range(128):
            given = hexescape(chr(num))
            expect = chr(num)
            result = urllib_parse.unquote(given)
            self.assertEqual(expect, result,
                             "using unquote(): %r != %r" % (expect, result))
            result = urllib_parse.unquote_plus(given)
            self.assertEqual(expect, result,
                             "using unquote_plus(): %r != %r" %
                             (expect, result))
            escape_list.append(given)
        escape_string = ''.join(escape_list)
        del escape_list
        result = urllib_parse.unquote(escape_string)
        self.assertEqual(result.count('%'), 1,
                         "using unquote(): not all characters escaped: "
                         "%s" % result)
        self.assertRaises((TypeError, AttributeError), urllib_parse.unquote, None)
        self.assertRaises((TypeError, AttributeError), urllib_parse.unquote, ())
        with support.check_warnings(('', BytesWarning), quiet=True):
            self.assertRaises((TypeError, AttributeError), urllib_parse.unquote, bytes(b'')) 

# 需要导入模块: from future.backports.urllib import parse [as 别名]
# 或者: from future.backports.urllib.parse import unquote [as 别名]
def test_unquoting_badpercent(self):
        # Test unquoting on bad percent-escapes
        given = '%xab'
        expect = given
        result = urllib_parse.unquote(given)
        self.assertEqual(expect, result, "using unquote(): %r != %r"
                         % (expect, result))
        given = '%x'
        expect = given
        result = urllib_parse.unquote(given)
        self.assertEqual(expect, result, "using unquote(): %r != %r"
                         % (expect, result))
        given = '%'
        expect = given
        result = urllib_parse.unquote(given)
        self.assertEqual(expect, result, "using unquote(): %r != %r"
                         % (expect, result))
        # unquote_to_bytes
        given = '%xab'
        expect = bytes(given, 'ascii')
        result = urllib_parse.unquote_to_bytes(given)
        self.assertEqual(expect, result, "using unquote_to_bytes(): %r != %r"
                         % (expect, result))
        given = '%x'
        expect = bytes(given, 'ascii')
        result = urllib_parse.unquote_to_bytes(given)
        self.assertEqual(expect, result, "using unquote_to_bytes(): %r != %r"
                         % (expect, result))
        given = '%'
        expect = bytes(given, 'ascii')
        result = urllib_parse.unquote_to_bytes(given)
        self.assertEqual(expect, result, "using unquote_to_bytes(): %r != %r"
                         % (expect, result))
        self.assertRaises((TypeError, AttributeError), urllib_parse.unquote_to_bytes, None)
        self.assertRaises((TypeError, AttributeError), urllib_parse.unquote_to_bytes, ()) 

# 需要导入模块: from future.backports.urllib import parse [as 别名]
# 或者: from future.backports.urllib.parse import unquote [as 别名]
def test_unquoting_plus(self):
        # Test difference between unquote() and unquote_plus()
        given = "are+there+spaces..."
        expect = given
        result = urllib_parse.unquote(given)
        self.assertEqual(expect, result,
                         "using unquote(): %r != %r" % (expect, result))
        expect = given.replace('+', ' ')
        result = urllib_parse.unquote_plus(given)
        self.assertEqual(expect, result,
                         "using unquote_plus(): %r != %r" % (expect, result)) 

# 需要导入模块: from future.backports.urllib import parse [as 别名]
# 或者: from future.backports.urllib.parse import unquote [as 别名]
def decode_params(params):
    """Decode parameters list according to RFC 2231.

    params is a sequence of 2-tuples containing (param name, string value).
    """
    # Copy params so we don't mess with the original
    params = params[:]
    new_params = []
    # Map parameter's name to a list of continuations.  The values are a
    # 3-tuple of the continuation number, the string value, and a flag
    # specifying whether a particular segment is %-encoded.
    rfc2231_params = {}
    name, value = params.pop(0)
    new_params.append((name, value))
    while params:
        name, value = params.pop(0)
        if name.endswith('*'):
            encoded = True
        else:
            encoded = False
        value = unquote(value)
        mo = rfc2231_continuation.match(name)
        if mo:
            name, num = mo.group('name', 'num')
            if num is not None:
                num = int(num)
            rfc2231_params.setdefault(name, []).append((num, value, encoded))
        else:
            new_params.append((name, '"%s"' % quote(value)))
    if rfc2231_params:
        for name, continuations in rfc2231_params.items():
            value = []
            extended = False
            # Sort by number
            continuations.sort()
            # And now append all values in numerical order, converting
            # %-encodings for the encoded segments.  If any of the
            # continuation names ends in a *, then the entire string, after
            # decoding segments and concatenating, must have the charset and
            # language specifiers at the beginning of the string.
            for num, s, encoded in continuations:
                if encoded:
                    # Decode as "latin-1", so the characters in s directly
                    # represent the percent-encoded octet values.
                    # collapse_rfc2231_value treats this as an octet sequence.
                    s = url_unquote(s, encoding="latin-1")
                    extended = True
                value.append(s)
            value = quote(EMPTYSTRING.join(value))
            if extended:
                charset, language, value = decode_rfc2231(value)
                new_params.append((name, (charset, language, '"%s"' % value)))
            else:
                new_params.append((name, '"%s"' % value))
    return new_params 

# 需要导入模块: from future.backports.urllib import parse [as 别名]
# 或者: from future.backports.urllib.parse import unquote [as 别名]
def list_directory(self, path):
        """Helper to produce a directory listing (absent index.html).

        Return value is either a file object, or None (indicating an
        error).  In either case, the headers are sent, making the
        interface the same as for send_head().

        """
        try:
            list = os.listdir(path)
        except os.error:
            self.send_error(404, "No permission to list directory")
            return None
        list.sort(key=lambda a: a.lower())
        r = []
        displaypath = html.escape(urllib_parse.unquote(self.path))
        enc = sys.getfilesystemencoding()
        title = 'Directory listing for %s' % displaypath
        r.append('<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" '
                 '"http://www.w3.org/TR/html4/strict.dtd">')
        r.append('<html>\n<head>')
        r.append('<meta http-equiv="Content-Type" '
                 'content="text/html; charset=%s">' % enc)
        r.append('<title>%s</title>\n</head>' % title)
        r.append('<body>\n<h1>%s</h1>' % title)
        r.append('<hr>\n<ul>')
        for name in list:
            fullname = os.path.join(path, name)
            displayname = linkname = name
            # Append / for directories or @ for symbolic links
            if os.path.isdir(fullname):
                displayname = name + "/"
                linkname = name + "/"
            if os.path.islink(fullname):
                displayname = name + "@"
                # Note: a link to a directory displays with @ and links with /
            r.append('<li><a href="%s">%s</a></li>'
                    % (urllib_parse.quote(linkname), html.escape(displayname)))
            # # Use this instead:
            # r.append('<li><a href="%s">%s</a></li>'
            #         % (urllib.quote(linkname), cgi.escape(displayname)))
        r.append('</ul>\n<hr>\n</body>\n</html>\n')
        encoded = '\n'.join(r).encode(enc)
        f = io.BytesIO()
        f.write(encoded)
        f.seek(0)
        self.send_response(200)
        self.send_header("Content-type", "text/html; charset=%s" % enc)
        self.send_header("Content-Length", str(len(encoded)))
        self.end_headers()
        return f 

# 需要导入模块: from future.backports.urllib import parse [as 别名]
# 或者: from future.backports.urllib.parse import unquote [as 别名]
def test_unquote_with_unicode(self):
        # Characters in the Latin-1 range, encoded with UTF-8
        given = 'br%C3%BCckner_sapporo_20050930.doc'
        expect = 'br\u00fcckner_sapporo_20050930.doc'
        result = urllib_parse.unquote(given)
        self.assertEqual(expect, result,
                         "using unquote(): %r != %r" % (expect, result))
        # Characters in the Latin-1 range, encoded with None (default)
        result = urllib_parse.unquote(given, encoding=None, errors=None)
        self.assertEqual(expect, result,
                         "using unquote(): %r != %r" % (expect, result))

        # Characters in the Latin-1 range, encoded with Latin-1
        result = urllib_parse.unquote('br%FCckner_sapporo_20050930.doc',
                                      encoding="latin-1")
        expect = 'br\u00fcckner_sapporo_20050930.doc'
        self.assertEqual(expect, result,
                         "using unquote(): %r != %r" % (expect, result))

        # Characters in BMP, encoded with UTF-8
        given = "%E6%BC%A2%E5%AD%97"
        expect = "\u6f22\u5b57"             # "Kanji"
        result = urllib_parse.unquote(given)
        self.assertEqual(expect, result,
                         "using unquote(): %r != %r" % (expect, result))

        # Decode with UTF-8, invalid sequence
        given = "%F3%B1"
        expect = "\ufffd"                   # Replacement character
        result = urllib_parse.unquote(given)
        self.assertEqual(expect, result,
                         "using unquote(): %r != %r" % (expect, result))

        # Decode with UTF-8, invalid sequence, replace errors
        result = urllib_parse.unquote(given, errors="replace")
        self.assertEqual(expect, result,
                         "using unquote(): %r != %r" % (expect, result))

        # Decode with UTF-8, invalid sequence, ignoring errors
        given = "%F3%B1"
        expect = ""
        result = urllib_parse.unquote(given, errors="ignore")
        self.assertEqual(expect, result,
                         "using unquote(): %r != %r" % (expect, result))

        # A mix of non-ASCII and percent-encoded characters, UTF-8
        result = urllib_parse.unquote("\u6f22%C3%BC")
        expect = '\u6f22\u00fc'
        self.assertEqual(expect, result,
                         "using unquote(): %r != %r" % (expect, result))

        # A mix of non-ASCII and percent-encoded characters, Latin-1
        # (Note, the string contains non-Latin-1-representable characters)
        result = urllib_parse.unquote("\u6f22%FC", encoding="latin-1")
        expect = '\u6f22\u00fc'
        self.assertEqual(expect, result,
                         "using unquote(): %r != %r" % (expect, result))