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#!/usr/bin/python
# Copyright (c) 2009 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Docbuilder for extension docs."""
import os
import os.path
import shutil
import sys
from subprocess import Popen, PIPE
from optparse import OptionParser
_script_path = os.path.realpath(__file__)
_build_dir = os.path.dirname(_script_path)
_base_dir = os.path.normpath(_build_dir + "/..")
_static_dir = _base_dir + "/static"
_js_dir = _base_dir + "/js"
_template_dir = _base_dir + "/template"
_extension_api_dir = os.path.normpath(_base_dir + "/../api")
_extension_api_json = _extension_api_dir + "/extension_api.json"
_api_template_html = _template_dir + "/api_template.html"
_page_shell_html = _template_dir + "/page_shell.html"
_generator_html = _build_dir + "/generator.html"
_expected_output_preamble = "<!DOCTYPE html>"
# HACK! This is required because we can only depend on python 2.4 and
# the calling environment may not be setup to set the PYTHONPATH
sys.path.append(os.path.normpath(_base_dir +
"/../../../../third_party"))
import simplejson as json
def RenderPage(name, test_shell):
"""
Calls test_shell --layout-tests .../generator.html?<name> and writes the
result to .../docs/<name>.html
"""
if not name:
raise Exception("RenderPage called with empty name");
generator_url = _generator_html + "?" + name
input_file = _base_dir + "/" + name + ".html"
# Copy page_shell to destination output and move aside original, if it exists.
original = None;
if (os.path.isfile(input_file)):
original = open(input_file, 'r').read()
os.remove(input_file)
shutil.copy(_page_shell_html, input_file)
# Run test_shell and capture result
p = Popen([test_shell, "--layout-tests", generator_url], shell=True,
stdout=PIPE)
# first output line is url that was processed by test_shell
firstline = p.stdout.readline()
# second output line is the layoutTestShell.dumpText() value.
result = p.stdout.readline()
# Remove page_shell
os.remove(input_file)
if (not result.startswith(_expected_output_preamble)):
if (firstline.startswith("#TEST_TIMED_OUT")):
raise Exception("test_shell returned TEST_TIMED_OUT.\n" +
"Their was probably a problem with generating the " +
"page\n" +
"Try copying template/page_shell.html to:\n" +
input_file +
"\nAnd open it in chrome using the file: scheme.\n" +
"Look from javascript errors via the inspector.")
raise Exception("test_shell returned unexpected output: " + result);
# Write output
open(input_file, 'w').write(result);
if (original and result == original):
return None
else:
return input_file
def FindTestShell():
# This is hackey. It is used to guess the location of the test_shell
chrome_dir = os.path.normpath(_base_dir + "/../../../")
src_dir = os.path.normpath(chrome_dir + "/../")
search_locations = []
if (sys.platform in ('cygwin', 'win32')):
search_locations.append(chrome_dir + "/Debug/test_shell.exe")
search_locations.append(chrome_dir + "/Release/test_shell.exe")
if (sys.platform in ('linux', 'linux2')):
search_locations.append(src_dir + "/sconsbuild/Debug/test_shell")
search_locations.append(src_dir + "/out/Debug/test_shell")
search_locations.append(src_dir + "/sconsbuild/Release/test_shell")
search_locations.append(src_dir + "/out/Release/test_shell")
if (sys.platform == 'darwin'):
search_locations.append(src_dir +
"/xcodebuild/Debug/TestShell.app/Contents/MacOS/TestShell")
search_locations.append(src_dir +
"/xcodebuild/Release/TestShell.app/Contents/MacOS/TestShell")
for loc in search_locations:
if os.path.isfile(loc):
return loc
raise Exception ("Could not find test_shell executable\n" +
"**test_shell may need to be built**\n" +
"Searched: \n" + "\n".join(search_locations) + "\n" +
"To specify a path to test_shell use --test-shell-path")
def GetAPIModuleNames():
contents = open(_extension_api_json, 'r').read();
extension_api = json.loads(contents, encoding="ASCII")
return set( module['namespace'].encode() for module in extension_api)
def GetStaticFileNames():
static_files = os.listdir(_static_dir)
return set(os.path.splitext(file)[0]
for file in static_files
if file.endswith(".html"))
def main():
parser = OptionParser()
parser.add_option("--test-shell-path", dest="test_shell_path")
(options, args) = parser.parse_args()
if (options.test_shell_path and os.path.isfile(options.test_shell_path)):
test_shell = options.test_shell_path
else:
test_shell = FindTestShell()
# Read static file names
static_names = GetStaticFileNames()
# Read module names
module_names = GetAPIModuleNames()
# All pages to generate
page_names = static_names | module_names
modified_files = []
for page in page_names:
modified_file = RenderPage(page, test_shell)
if (modified_file):
modified_files.append(modified_file)
if (len(modified_files) == 0):
print "Output files match existing files. No changes made."
else:
print ("ATTENTION: EXTENSION DOCS HAVE CHANGED\n" +
"The following files have been modified and should be checked\n" +
"into source control (ideally in the same changelist as the\n" +
"underlying files that resulting in their changing).")
for f in modified_files:
print f;
return 0;
if __name__ == '__main__':
sys.exit(main())
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