[PATCH 2 of 4] http: add passwordmgr.setrequest hook

[Markus Zapke-Gründemann]

# HG changeset patch
# User Markus Zapke-Gründemann <markus at keimlink.de>
# Date 1347617250 -7200
# Node ID 25364f6396dc3858d51782516a4ee3de20aca9e9
# Parent  edb5487b1bb7e60aa46d77243487eee1a27223b9
http: add passwordmgr.setrequest hook

The passwordmgr.setrequest hook can be used by password managers to get
access to the request object. The keyring extension uses this hook.

diff --git a/mercurial/httpconnection.py b/mercurial/httpconnection.py
--- a/mercurial/httpconnection.py
+++ b/mercurial/httpconnection.py
@@ -239,6 +239,10 @@ class http2handler(urllib2.HTTPHandler, 
         # req.get_full_url() does not contain credentials and we may
         # need them to match the certificates.
         url = req.get_full_url()
+        try:
+            self.pwmgr.setrequest(req)
+        except AttributeError:
+            pass
         user, password = self.pwmgr.find_stored_password(url)
         res = readauthforuri(self.ui, url, user)
         if res:
diff --git a/mercurial/url.py b/mercurial/url.py
--- a/mercurial/url.py
+++ b/mercurial/url.py
@@ -353,6 +353,10 @@ if has_https:
         def https_open(self, req):
             # req.get_full_url() does not contain credentials and we may
             # need them to match the certificates.
+            try:
+                self.pwmgr.setrequest(req)
+            except AttributeError:
+                pass
             url = req.get_full_url()
             user, password = self.pwmgr.find_stored_password(url)
             res = httpconnectionmod.readauthforuri(self.ui, url, user)
@@ -401,6 +405,10 @@ class httpdigestauthhandler(urllib2.HTTP
         if req is not self.retried_req:
             self.retried_req = req
             self.retried = 0
+        try:
+            self.passwd.setrequest(req)
+        except AttributeError:
+            pass
         # In python < 2.5 AbstractDigestAuthHandler raises a ValueError if
         # it doesn't know about the auth type requested. This can happen if
         # somebody is using BasicAuth and types a bad password.
@@ -429,6 +437,10 @@ class httpbasicauthhandler(urllib2.HTTPB
         if req is not self.retried_req:
             self.retried_req = req
             self.retried = 0
+        try:
+            self.passwd.setrequest(req)
+        except AttributeError:
+            pass
         return urllib2.HTTPBasicAuthHandler.http_error_auth_reqed(
                         self, auth_header, host, req, headers)