Add pylint to depot_tools.

third_party/logilab/common/xmlrpcutils.py

+# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
+#
+# This file is part of logilab-common.
+#
+# logilab-common is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation, either version 2.1 of the License, or (at your option) any
+# later version.
+#
+# logilab-common is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License along
+# with logilab-common.  If not, see <http://www.gnu.org/licenses/>.
+"""XML-RPC utilities."""
+__docformat__ = "restructuredtext en"
+
+import xmlrpclib
+from base64 import encodestring
+#from cStringIO import StringIO
+
+ProtocolError = xmlrpclib.ProtocolError
+
+## class BasicAuthTransport(xmlrpclib.Transport):
+##     def __init__(self, username=None, password=None):
+##         self.username = username
+##         self.password = password
+##         self.verbose = None
+##         self.has_ssl = httplib.__dict__.has_key("HTTPConnection")
+
+##     def request(self, host, handler, request_body, verbose=None):
+##         # issue XML-RPC request
+##         if self.has_ssl:
+##             if host.startswith("https:"): h = httplib.HTTPSConnection(host)
+##             else: h = httplib.HTTPConnection(host)
+##         else: h = httplib.HTTP(host)
+
+##         h.putrequest("POST", handler)
+
+##         # required by HTTP/1.1
+##         if not self.has_ssl: # HTTPConnection already does 1.1
+##             h.putheader("Host", host)
+##         h.putheader("Connection", "close")
+
+##         if request_body: h.send(request_body)
+##         if self.has_ssl:
+##             response = h.getresponse()
+##             if response.status != 200:
+##                 raise xmlrpclib.ProtocolError(host + handler,
+##                                               response.status,
+##                                               response.reason,
+##                                               response.msg)
+##             file = response.fp
+##         else:
+##             errcode, errmsg, headers = h.getreply()
+##             if errcode != 200:
+##                 raise xmlrpclib.ProtocolError(host + handler, errcode,
+##                                               errmsg, headers)
+
+##             file = h.getfile()
+
+##         return self.parse_response(file)
+
+
+
+class AuthMixin:
+    """basic http authentication mixin for xmlrpc transports"""
+
+    def __init__(self, username, password, encoding):
+        self.verbose = 0
+        self.username = username
+        self.password = password
+        self.encoding = encoding
+
+    def request(self, host, handler, request_body, verbose=0):
+        """issue XML-RPC request"""
+        h = self.make_connection(host)
+        h.putrequest("POST", handler)
+        # required by XML-RPC
+        h.putheader("User-Agent", self.user_agent)
+        h.putheader("Content-Type", "text/xml")
+        h.putheader("Content-Length", str(len(request_body)))
+        h.putheader("Host", host)
+        h.putheader("Connection", "close")
+        # basic auth
+        if self.username is not None and self.password is not None:
+            h.putheader("AUTHORIZATION", "Basic %s" % encodestring(
+                "%s:%s" % (self.username, self.password)).replace("\012", ""))
+        h.endheaders()
+        # send body
+        if request_body:
+            h.send(request_body)
+        # get and check reply
+        errcode, errmsg, headers = h.getreply()
+        if errcode != 200:
+            raise ProtocolError(host + handler, errcode, errmsg, headers)
+        file = h.getfile()
+##         # FIXME: encoding ??? iirc, this fix a bug in xmlrpclib but...
+##         data = h.getfile().read()
+##         if self.encoding != 'UTF-8':
+##             data = data.replace("version='1.0'",
+##                                 "version='1.0' encoding='%s'" % self.encoding)
+##         result = StringIO()
+##         result.write(data)
+##         result.seek(0)
+##         return self.parse_response(result)
+        return self.parse_response(file)
+
+class BasicAuthTransport(AuthMixin, xmlrpclib.Transport):
+    """basic http authentication transport"""
+
+class BasicAuthSafeTransport(AuthMixin, xmlrpclib.SafeTransport):
+    """basic https authentication transport"""
+
+
+def connect(url, user=None, passwd=None, encoding='ISO-8859-1'):
+    """return an xml rpc server on <url>, using user / password if specified
+    """
+    if user or passwd:
+        assert user and passwd is not None
+        if url.startswith('https://'):
+            transport = BasicAuthSafeTransport(user, passwd, encoding)
+        else:
+            transport = BasicAuthTransport(user, passwd, encoding)
+    else:
+        transport = None
+    server = xmlrpclib.ServerProxy(url, transport, encoding=encoding)
+    return server