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# Copyright (c) 2010 Google Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Starts a local HTTP server which displays layout test failures (given a test
results directory), provides comparisons of expected and actual results (both
images and text) and allows one-click rebaselining of tests."""
from __future__ import with_statement
import codecs
import datetime
import mimetypes
import os
import os.path
import shutil
import threading
import time
import urlparse
import BaseHTTPServer
from optparse import make_option
from wsgiref.handlers import format_date_time
from webkitpy.tool.multicommandtool import AbstractDeclarativeCommand
class RebaselineHTTPServer(BaseHTTPServer.HTTPServer):
def __init__(self, httpd_port, results_directory):
BaseHTTPServer.HTTPServer.__init__(self, ("", httpd_port), RebaselineHTTPRequestHandler)
self.results_directory = results_directory
class RebaselineHTTPRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
STATIC_FILE_NAMES = frozenset([
"index.html",
"main.js",
"main.css",
])
STATIC_FILE_DIRECTORY = os.path.join(
os.path.dirname(__file__), "data", "rebaselineserver")
def do_GET(self):
self._handle_request()
def do_POST(self):
self._handle_request()
def _handle_request(self):
# Parse input.
if "?" in self.path:
path, query_string = self.path.split("?", 1)
self.query = urlparse.parse_qs(query_string)
else:
path = self.path
self.query = {}
function_or_file_name = path[1:] or "index.html"
# See if a static file matches.
if function_or_file_name in RebaselineHTTPRequestHandler.STATIC_FILE_NAMES:
self._serve_static_file(function_or_file_name)
return
# See if a class method matches.
function_name = function_or_file_name.replace(".", "_")
if not hasattr(self, function_name):
self.send_error(404, "Unknown function %s" % function_name)
return
if function_name[0] == "_":
self.send_error(
401, "Not allowed to invoke private or protected methods")
return
function = getattr(self, function_name)
function()
def _serve_static_file(self, static_path):
self._serve_file(os.path.join(
RebaselineHTTPRequestHandler.STATIC_FILE_DIRECTORY, static_path))
def quitquitquit(self):
self.send_response(200)
self.send_header("Content-type", "text/plain")
self.end_headers()
self.wfile.write("Quit.\n")
# Shutdown has to happen on another thread from the server's thread,
# otherwise there's a deadlock
threading.Thread(target=lambda: self.server.shutdown()).start()
def _serve_file(self, file_path, cacheable_seconds=0):
if not os.path.exists(file_path):
self.send_error(404, "File not found")
return
with codecs.open(file_path, "rb") as static_file:
self.send_response(200)
self.send_header("Content-Length", os.path.getsize(file_path))
mime_type, encoding = mimetypes.guess_type(file_path)
if mime_type:
self.send_header("Content-type", mime_type)
if cacheable_seconds:
expires_time = (datetime.datetime.now() +
datetime.timedelta(0, cacheable_seconds))
expires_formatted = format_date_time(
time.mktime(expires_time.timetuple()))
self.send_header("Expires", expires_formatted)
self.end_headers()
shutil.copyfileobj(static_file, self.wfile)
class RebaselineServer(AbstractDeclarativeCommand):
name = "rebaseline-server"
help_text = __doc__
argument_names = "/path/to/results/directory"
def __init__(self):
options = [
make_option("--httpd-port", action="store", type="int", default=8127, help="Port to use for the the rebaseline HTTP server"),
]
AbstractDeclarativeCommand.__init__(self, options=options)
def execute(self, options, args, tool):
results_directory = args[0]
print "Starting server at http://localhost:%d/" % options.httpd_port
print ("Use the 'Exit' link in the UI, http://localhost:%d/"
"quitquitquit or Ctrl-C to stop") % options.httpd_port
httpd = RebaselineHTTPServer(
httpd_port=options.httpd_port,
results_directory=results_directory)
httpd.serve_forever()
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