_urlopen: fix python2 http password breakage

This broke in commit e06cb6d66db37ac7ab77acf65038b1f770c13c96 since
CompressedResponseProcessor did not include password auth support.

BUG: The if_modified_since parameter appears to be ignored when using
http password authentication.

1 files changed, 11 insertions, 29 deletions

diff --git a/pym/portage/util/_urlopen.py b/pym/portage/util/_urlopen.py
index bcd8f7c89..768ccb8a4 100644
--- a/pym/portage/util/_urlopen.py
+++ b/pym/portage/util/_urlopen.py
@@ -27,14 +27,20 @@ TIMESTAMP_TOLERANCE=5
 
 def urlopen(url, if_modified_since=None):
 	parse_result = urllib_parse.urlparse(url)
-	try:
-		if parse_result.scheme not in ("http", "https"):
-			return _urlopen(url)
+	if parse_result.scheme not in ("http", "https"):
+		return _urlopen(url)
+	else:
+		netloc = urllib_parse_splituser(parse_result.netloc)[1]
+		url = urllib_parse.urlunparse((parse_result.scheme, netloc, parse_result.path, parse_result.params, parse_result.query, parse_result.fragment))
+		password_manager = urllib_request.HTTPPasswordMgrWithDefaultRealm()
 		request = urllib_request.Request(url)
 		request.add_header('User-Agent', 'Gentoo Portage')
 		if if_modified_since:
 			request.add_header('If-Modified-Since', _timestamp_to_http(if_modified_since))
-		opener = urllib_request.build_opener(CompressedResponseProcessor)
+		if parse_result.username is not None:
+			password_manager.add_password(None, url, parse_result.username, parse_result.password)
+		auth_handler = CompressedResponseProcessor(password_manager)
+		opener = urllib_request.build_opener(auth_handler)
 		hdl = opener.open(request)
 		if hdl.headers.get('last-modified', ''):
 			try:
@@ -44,30 +50,6 @@ def urlopen(url, if_modified_since=None):
 				add_header = hdl.headers.addheader
 			add_header('timestamp', _http_to_timestamp(hdl.headers.get('last-modified')))
 		return hdl
-	except SystemExit:
-		raise
-	except Exception as e:
-		if hasattr(e, 'code') and e.code == 304: # HTTPError 304: not modified
-			raise
-		if sys.hexversion < 0x3000000:
-			raise
-		if parse_result.scheme not in ("http", "https") or \
-			not parse_result.username:
-			raise
-
-	return _new_urlopen(url)
-
-def _new_urlopen(url):
-	# This is experimental code for bug #413983.
-	parse_result = urllib_parse.urlparse(url)
-	netloc = urllib_parse_splituser(parse_result.netloc)[1]
-	url = urllib_parse.urlunparse((parse_result.scheme, netloc, parse_result.path, parse_result.params, parse_result.query, parse_result.fragment))
-	password_manager = urllib_request.HTTPPasswordMgrWithDefaultRealm()
-	if parse_result.username is not None:
-		password_manager.add_password(None, url, parse_result.username, parse_result.password)
-	auth_handler = urllib_request.HTTPBasicAuthHandler(password_manager)
-	opener = urllib_request.build_opener(auth_handler)
-	return opener.open(url)
 
 def _timestamp_to_http(timestamp):
 	dt = datetime.fromtimestamp(float(long(timestamp)+TIMESTAMP_TOLERANCE))
@@ -79,7 +61,7 @@ def _http_to_timestamp(http_datetime_string):
 	timestamp = mktime(tuple)
 	return str(long(timestamp))
 
-class CompressedResponseProcessor(urllib_request.BaseHandler):
+class CompressedResponseProcessor(urllib_request.HTTPBasicAuthHandler):
 	# Handler for compressed responses.
 
 	def http_request(self, req):