12da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# Copyright 2011, Google Inc. 22da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# All rights reserved. 32da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# 42da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# Redistribution and use in source and binary forms, with or without 52da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# modification, are permitted provided that the following conditions are 62da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# met: 72da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# 82da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# * Redistributions of source code must retain the above copyright 92da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# notice, this list of conditions and the following disclaimer. 102da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# * Redistributions in binary form must reproduce the above 112da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# copyright notice, this list of conditions and the following disclaimer 122da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# in the documentation and/or other materials provided with the 132da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# distribution. 142da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# * Neither the name of Google Inc. nor the names of its 152da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# contributors may be used to endorse or promote products derived from 162da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# this software without specific prior written permission. 172da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# 182da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 192da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 202da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 212da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 222da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 232da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 242da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 252da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 262da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 272da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 282da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 292da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 302da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 312da489cd246702bee5938545b18a6f710ed214bcJamie Gennis"""Utilities for parsing and formatting headers that follow the grammar defined 322da489cd246702bee5938545b18a6f710ed214bcJamie Gennisin HTTP RFC http://www.ietf.org/rfc/rfc2616.txt. 332da489cd246702bee5938545b18a6f710ed214bcJamie Gennis""" 342da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 352da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 362da489cd246702bee5938545b18a6f710ed214bcJamie Gennisimport urlparse 372da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 382da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 392da489cd246702bee5938545b18a6f710ed214bcJamie Gennis_SEPARATORS = '()<>@,;:\\"/[]?={} \t' 402da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 412da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 422da489cd246702bee5938545b18a6f710ed214bcJamie Gennisdef _is_char(c): 432da489cd246702bee5938545b18a6f710ed214bcJamie Gennis """Returns true iff c is in CHAR as specified in HTTP RFC.""" 442da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 452da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return ord(c) <= 127 462da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 472da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 482da489cd246702bee5938545b18a6f710ed214bcJamie Gennisdef _is_ctl(c): 492da489cd246702bee5938545b18a6f710ed214bcJamie Gennis """Returns true iff c is in CTL as specified in HTTP RFC.""" 502da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 512da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return ord(c) <= 31 or ord(c) == 127 522da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 532da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 542da489cd246702bee5938545b18a6f710ed214bcJamie Gennisclass ParsingState(object): 552da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 562da489cd246702bee5938545b18a6f710ed214bcJamie Gennis def __init__(self, data): 572da489cd246702bee5938545b18a6f710ed214bcJamie Gennis self.data = data 582da489cd246702bee5938545b18a6f710ed214bcJamie Gennis self.head = 0 592da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 602da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 612da489cd246702bee5938545b18a6f710ed214bcJamie Gennisdef peek(state, pos=0): 622da489cd246702bee5938545b18a6f710ed214bcJamie Gennis """Peeks the character at pos from the head of data.""" 632da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 642da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if state.head + pos >= len(state.data): 652da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return None 662da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 672da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return state.data[state.head + pos] 682da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 692da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 702da489cd246702bee5938545b18a6f710ed214bcJamie Gennisdef consume(state, amount=1): 712da489cd246702bee5938545b18a6f710ed214bcJamie Gennis """Consumes specified amount of bytes from the head and returns the 722da489cd246702bee5938545b18a6f710ed214bcJamie Gennis consumed bytes. If there's not enough bytes to consume, returns None. 732da489cd246702bee5938545b18a6f710ed214bcJamie Gennis """ 742da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 752da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if state.head + amount > len(state.data): 762da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return None 772da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 782da489cd246702bee5938545b18a6f710ed214bcJamie Gennis result = state.data[state.head:state.head + amount] 792da489cd246702bee5938545b18a6f710ed214bcJamie Gennis state.head = state.head + amount 802da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return result 812da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 822da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 832da489cd246702bee5938545b18a6f710ed214bcJamie Gennisdef consume_string(state, expected): 842da489cd246702bee5938545b18a6f710ed214bcJamie Gennis """Given a parsing state and a expected string, consumes the string from 852da489cd246702bee5938545b18a6f710ed214bcJamie Gennis the head. Returns True if consumed successfully. Otherwise, returns 862da489cd246702bee5938545b18a6f710ed214bcJamie Gennis False. 872da489cd246702bee5938545b18a6f710ed214bcJamie Gennis """ 882da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 892da489cd246702bee5938545b18a6f710ed214bcJamie Gennis pos = 0 902da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 912da489cd246702bee5938545b18a6f710ed214bcJamie Gennis for c in expected: 922da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if c != peek(state, pos): 932da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return False 942da489cd246702bee5938545b18a6f710ed214bcJamie Gennis pos += 1 952da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 962da489cd246702bee5938545b18a6f710ed214bcJamie Gennis consume(state, pos) 972da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return True 982da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 992da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1002da489cd246702bee5938545b18a6f710ed214bcJamie Gennisdef consume_lws(state): 1012da489cd246702bee5938545b18a6f710ed214bcJamie Gennis """Consumes a LWS from the head. Returns True if any LWS is consumed. 1022da489cd246702bee5938545b18a6f710ed214bcJamie Gennis Otherwise, returns False. 1032da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1042da489cd246702bee5938545b18a6f710ed214bcJamie Gennis LWS = [CRLF] 1*( SP | HT ) 1052da489cd246702bee5938545b18a6f710ed214bcJamie Gennis """ 1062da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1072da489cd246702bee5938545b18a6f710ed214bcJamie Gennis original_head = state.head 1082da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1092da489cd246702bee5938545b18a6f710ed214bcJamie Gennis consume_string(state, '\r\n') 1102da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1112da489cd246702bee5938545b18a6f710ed214bcJamie Gennis pos = 0 1122da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1132da489cd246702bee5938545b18a6f710ed214bcJamie Gennis while True: 1142da489cd246702bee5938545b18a6f710ed214bcJamie Gennis c = peek(state, pos) 1152da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if c == ' ' or c == '\t': 1162da489cd246702bee5938545b18a6f710ed214bcJamie Gennis pos += 1 1172da489cd246702bee5938545b18a6f710ed214bcJamie Gennis else: 1182da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if pos == 0: 1192da489cd246702bee5938545b18a6f710ed214bcJamie Gennis state.head = original_head 1202da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return False 1212da489cd246702bee5938545b18a6f710ed214bcJamie Gennis else: 1222da489cd246702bee5938545b18a6f710ed214bcJamie Gennis consume(state, pos) 1232da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return True 1242da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1252da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1262da489cd246702bee5938545b18a6f710ed214bcJamie Gennisdef consume_lwses(state): 1272da489cd246702bee5938545b18a6f710ed214bcJamie Gennis """Consumes *LWS from the head.""" 1282da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1292da489cd246702bee5938545b18a6f710ed214bcJamie Gennis while consume_lws(state): 1302da489cd246702bee5938545b18a6f710ed214bcJamie Gennis pass 1312da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1322da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1332da489cd246702bee5938545b18a6f710ed214bcJamie Gennisdef consume_token(state): 1342da489cd246702bee5938545b18a6f710ed214bcJamie Gennis """Consumes a token from the head. Returns the token or None if no token 1352da489cd246702bee5938545b18a6f710ed214bcJamie Gennis was found. 1362da489cd246702bee5938545b18a6f710ed214bcJamie Gennis """ 1372da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1382da489cd246702bee5938545b18a6f710ed214bcJamie Gennis pos = 0 1392da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1402da489cd246702bee5938545b18a6f710ed214bcJamie Gennis while True: 1412da489cd246702bee5938545b18a6f710ed214bcJamie Gennis c = peek(state, pos) 1422da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if c is None or c in _SEPARATORS or _is_ctl(c) or not _is_char(c): 1432da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if pos == 0: 1442da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return None 1452da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1462da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return consume(state, pos) 1472da489cd246702bee5938545b18a6f710ed214bcJamie Gennis else: 1482da489cd246702bee5938545b18a6f710ed214bcJamie Gennis pos += 1 1492da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1502da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1512da489cd246702bee5938545b18a6f710ed214bcJamie Gennisdef consume_token_or_quoted_string(state): 1522da489cd246702bee5938545b18a6f710ed214bcJamie Gennis """Consumes a token or a quoted-string, and returns the token or unquoted 1532da489cd246702bee5938545b18a6f710ed214bcJamie Gennis string. If no token or quoted-string was found, returns None. 1542da489cd246702bee5938545b18a6f710ed214bcJamie Gennis """ 1552da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1562da489cd246702bee5938545b18a6f710ed214bcJamie Gennis original_head = state.head 1572da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1582da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if not consume_string(state, '"'): 1592da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return consume_token(state) 1602da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1612da489cd246702bee5938545b18a6f710ed214bcJamie Gennis result = [] 1622da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1632da489cd246702bee5938545b18a6f710ed214bcJamie Gennis expect_quoted_pair = False 1642da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1652da489cd246702bee5938545b18a6f710ed214bcJamie Gennis while True: 1662da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if not expect_quoted_pair and consume_lws(state): 1672da489cd246702bee5938545b18a6f710ed214bcJamie Gennis result.append(' ') 1682da489cd246702bee5938545b18a6f710ed214bcJamie Gennis continue 1692da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1702da489cd246702bee5938545b18a6f710ed214bcJamie Gennis c = consume(state) 1712da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if c is None: 1722da489cd246702bee5938545b18a6f710ed214bcJamie Gennis # quoted-string is not enclosed with double quotation 1732da489cd246702bee5938545b18a6f710ed214bcJamie Gennis state.head = original_head 1742da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return None 1752da489cd246702bee5938545b18a6f710ed214bcJamie Gennis elif expect_quoted_pair: 1762da489cd246702bee5938545b18a6f710ed214bcJamie Gennis expect_quoted_pair = False 1772da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if _is_char(c): 1782da489cd246702bee5938545b18a6f710ed214bcJamie Gennis result.append(c) 1792da489cd246702bee5938545b18a6f710ed214bcJamie Gennis else: 1802da489cd246702bee5938545b18a6f710ed214bcJamie Gennis # Non CHAR character found in quoted-pair 1812da489cd246702bee5938545b18a6f710ed214bcJamie Gennis state.head = original_head 1822da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return None 1832da489cd246702bee5938545b18a6f710ed214bcJamie Gennis elif c == '\\': 1842da489cd246702bee5938545b18a6f710ed214bcJamie Gennis expect_quoted_pair = True 1852da489cd246702bee5938545b18a6f710ed214bcJamie Gennis elif c == '"': 1862da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return ''.join(result) 1872da489cd246702bee5938545b18a6f710ed214bcJamie Gennis elif _is_ctl(c): 1882da489cd246702bee5938545b18a6f710ed214bcJamie Gennis # Invalid character %r found in qdtext 1892da489cd246702bee5938545b18a6f710ed214bcJamie Gennis state.head = original_head 1902da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return None 1912da489cd246702bee5938545b18a6f710ed214bcJamie Gennis else: 1922da489cd246702bee5938545b18a6f710ed214bcJamie Gennis result.append(c) 1932da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1942da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1952da489cd246702bee5938545b18a6f710ed214bcJamie Gennisdef quote_if_necessary(s): 1962da489cd246702bee5938545b18a6f710ed214bcJamie Gennis """Quotes arbitrary string into quoted-string.""" 1972da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 1982da489cd246702bee5938545b18a6f710ed214bcJamie Gennis quote = False 1992da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if s == '': 2002da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return '""' 2012da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 2022da489cd246702bee5938545b18a6f710ed214bcJamie Gennis result = [] 2032da489cd246702bee5938545b18a6f710ed214bcJamie Gennis for c in s: 2042da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if c == '"' or c in _SEPARATORS or _is_ctl(c) or not _is_char(c): 2052da489cd246702bee5938545b18a6f710ed214bcJamie Gennis quote = True 2062da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 2072da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if c == '"' or _is_ctl(c): 2082da489cd246702bee5938545b18a6f710ed214bcJamie Gennis result.append('\\' + c) 2092da489cd246702bee5938545b18a6f710ed214bcJamie Gennis else: 2102da489cd246702bee5938545b18a6f710ed214bcJamie Gennis result.append(c) 2112da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 2122da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if quote: 2132da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return '"' + ''.join(result) + '"' 2142da489cd246702bee5938545b18a6f710ed214bcJamie Gennis else: 2152da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return ''.join(result) 2162da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 2172da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 2182da489cd246702bee5938545b18a6f710ed214bcJamie Gennisdef parse_uri(uri): 2192da489cd246702bee5938545b18a6f710ed214bcJamie Gennis """Parse absolute URI then return host, port and resource.""" 2202da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 2212da489cd246702bee5938545b18a6f710ed214bcJamie Gennis parsed = urlparse.urlsplit(uri) 2222da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if parsed.scheme != 'wss' and parsed.scheme != 'ws': 2232da489cd246702bee5938545b18a6f710ed214bcJamie Gennis # |uri| must be a relative URI. 2242da489cd246702bee5938545b18a6f710ed214bcJamie Gennis # TODO(toyoshim): Should validate |uri|. 2252da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return None, None, uri 2262da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 2272da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if parsed.hostname is None: 2282da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return None, None, None 2292da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 2302da489cd246702bee5938545b18a6f710ed214bcJamie Gennis port = None 2312da489cd246702bee5938545b18a6f710ed214bcJamie Gennis try: 2322da489cd246702bee5938545b18a6f710ed214bcJamie Gennis port = parsed.port 2332da489cd246702bee5938545b18a6f710ed214bcJamie Gennis except ValueError, e: 2342da489cd246702bee5938545b18a6f710ed214bcJamie Gennis # port property cause ValueError on invalid null port description like 2352da489cd246702bee5938545b18a6f710ed214bcJamie Gennis # 'ws://host:/path'. 2362da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return None, None, None 2372da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 2382da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if port is None: 2392da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if parsed.scheme == 'ws': 2402da489cd246702bee5938545b18a6f710ed214bcJamie Gennis port = 80 2412da489cd246702bee5938545b18a6f710ed214bcJamie Gennis else: 2422da489cd246702bee5938545b18a6f710ed214bcJamie Gennis port = 443 2432da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 2442da489cd246702bee5938545b18a6f710ed214bcJamie Gennis path = parsed.path 2452da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if not path: 2462da489cd246702bee5938545b18a6f710ed214bcJamie Gennis path += '/' 2472da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if parsed.query: 2482da489cd246702bee5938545b18a6f710ed214bcJamie Gennis path += '?' + parsed.query 2492da489cd246702bee5938545b18a6f710ed214bcJamie Gennis if parsed.fragment: 2502da489cd246702bee5938545b18a6f710ed214bcJamie Gennis path += '#' + parsed.fragment 2512da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 2522da489cd246702bee5938545b18a6f710ed214bcJamie Gennis return parsed.hostname, port, path 2532da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 2542da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 2552da489cd246702bee5938545b18a6f710ed214bcJamie Gennistry: 2562da489cd246702bee5938545b18a6f710ed214bcJamie Gennis urlparse.uses_netloc.index('ws') 2572da489cd246702bee5938545b18a6f710ed214bcJamie Gennisexcept ValueError, e: 2582da489cd246702bee5938545b18a6f710ed214bcJamie Gennis # urlparse in Python2.5.1 doesn't have 'ws' and 'wss' entries. 2592da489cd246702bee5938545b18a6f710ed214bcJamie Gennis urlparse.uses_netloc.append('ws') 2602da489cd246702bee5938545b18a6f710ed214bcJamie Gennis urlparse.uses_netloc.append('wss') 2612da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 2622da489cd246702bee5938545b18a6f710ed214bcJamie Gennis 2632da489cd246702bee5938545b18a6f710ed214bcJamie Gennis# vi:sts=4 sw=4 et 264