| #!/usr/bin/python |
| |
| # Copyright (c) 2013 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. |
| |
| |
| """ Look through skia-autogen, searching for all checksums which should have |
| corresponding files in Google Storage, and verify that those files exist. """ |
| |
| |
| import json |
| import posixpath |
| import re |
| import subprocess |
| import sys |
| |
| |
| # TODO(borenet): Replace some/all of these with constants from gm/gm_json.py |
| AUTOGEN_URL = 'http://skia-autogen.googlecode.com/svn/gm-actual' |
| GS_URL = 'gs://chromium-skia-gm/gm' |
| TEST_NAME_PATTERN = re.compile('(\S+)_(\S+).png') |
| |
| |
| def FileNameToGSURL(filename, hash_type, hash_value): |
| """ Convert a file name given in a checksum file to the URL of the |
| corresponding image file in Google Storage. |
| |
| filename: string; the file name to convert. Takes the form specified by |
| TEST_NAME_PATTERN. |
| hash_type: string; the type of the checksum. |
| hash_value: string; the checksum itself. |
| """ |
| test_name = TEST_NAME_PATTERN.match(filename).group(1) |
| if not test_name: |
| raise Exception('Invalid test name for file: %s' % filename) |
| return '%s/%s/%s/%s.png' % (GS_URL, hash_type, test_name, hash_value) |
| |
| |
| def FindURLSInJSON(json_file, gs_urls): |
| """ Extract Google Storage URLs from a JSON file in svn, adding them to the |
| gs_urls dictionary. |
| |
| json_file: string; URL of the JSON file. |
| gs_urls: dict; stores Google Storage URLs as keys and lists of the JSON files |
| which reference them. |
| |
| Example gs_urls: |
| { 'gs://chromium-skia-gm/gm/sometest/12345.png': [ |
| 'http://skia-autogen.googlecode.com/svn/gm-actual/Test-Mac10.6-MacMini4.1-GeForce320M-x86-Debug/actual-results.json', |
| 'http://skia-autogen.googlecode.com/svn/gm-actual/Test-Mac10.8-MacMini4.1-GeForce320M-x86-Debug/actual-results.json', |
| ] |
| } |
| """ |
| output = subprocess.check_output(['svn', 'cat', json_file]) |
| json_content = json.loads(output) |
| for dict_type in ['actual-results']: |
| for result_type in json_content[dict_type]: |
| if json_content[dict_type][result_type]: |
| for result in json_content[dict_type][result_type].keys(): |
| hash_type, hash_value = json_content[dict_type][result_type][result] |
| gs_url = FileNameToGSURL(result, hash_type, str(hash_value)) |
| if gs_urls.get(gs_url): |
| gs_urls[gs_url].append(json_file) |
| else: |
| gs_urls[gs_url] = [json_file] |
| |
| |
| def _FindJSONFiles(url, json_files): |
| """ Helper function for FindJsonFiles. Recursively explore the repository, |
| adding JSON files to a list. |
| |
| url: string; URL of the repository (or subdirectory thereof) to explore. |
| json_files: list to which JSON file urls will be added. |
| """ |
| proc = subprocess.Popen(['svn', 'ls', url], stdout=subprocess.PIPE, |
| stderr=subprocess.STDOUT) |
| if proc.wait() != 0: |
| raise Exception('Failed to list svn directory.') |
| output = proc.communicate()[0].splitlines() |
| subdirs = [] |
| for item in output: |
| if item.endswith(posixpath.sep): |
| subdirs.append(item) |
| elif item.endswith('.json'): |
| json_files.append(posixpath.join(url, item)) |
| else: |
| print 'Warning: ignoring %s' % posixpath.join(url, item) |
| for subdir in subdirs: |
| _FindJSONFiles(posixpath.join(url, subdir), json_files) |
| |
| |
| def FindJSONFiles(url): |
| """ Recursively explore the given repository and return a list of the JSON |
| files it contains. |
| |
| url: string; URL of the repository to explore. |
| """ |
| print 'Searching for JSON files in %s' % url |
| json_files = [] |
| _FindJSONFiles(url, json_files) |
| return json_files |
| |
| |
| def FindURLs(url): |
| """ Find Google Storage URLs inside of JSON files in the given repository. |
| Returns a dictionary whose keys are Google Storage URLs and values are lists |
| of the JSON files which reference them. |
| |
| url: string; URL of the repository to explore. |
| |
| Example output: |
| { 'gs://chromium-skia-gm/gm/sometest/12345.png': [ |
| 'http://skia-autogen.googlecode.com/svn/gm-actual/Test-Mac10.6-MacMini4.1-GeForce320M-x86-Debug/actual-results.json', |
| 'http://skia-autogen.googlecode.com/svn/gm-actual/Test-Mac10.8-MacMini4.1-GeForce320M-x86-Debug/actual-results.json', |
| ] |
| } |
| """ |
| gs_urls = {} |
| for json_file in FindJSONFiles(url): |
| print 'Looking for checksums in %s' % json_file |
| FindURLSInJSON(json_file, gs_urls) |
| return gs_urls |
| |
| |
| def VerifyURL(url): |
| """ Verify that the given URL exists. |
| |
| url: string; the Google Storage URL of the image file in question. |
| """ |
| proc = subprocess.Popen(['gsutil', 'ls', url], stdout=subprocess.PIPE, |
| stderr=subprocess.STDOUT) |
| if proc.wait() != 0: |
| return False |
| return True |
| |
| |
| def VerifyURLs(urls): |
| """ Verify that each of the given URLs exists. Return a list of which URLs do |
| not exist. |
| |
| urls: dictionary; URLs of the image files in question. |
| """ |
| print 'Verifying that images exist for URLs...' |
| missing = [] |
| for url in urls.iterkeys(): |
| if not VerifyURL(url): |
| print 'Missing: %s, referenced by: \n %s' % (url, '\n '.join(urls[url])) |
| missing.append(url) |
| return missing |
| |
| |
| def Main(): |
| urls = FindURLs(AUTOGEN_URL) |
| missing = VerifyURLs(urls) |
| if missing: |
| print 'Found %d Missing files.' % len(missing) |
| return 1 |
| |
| |
| if __name__ == '__main__': |
| sys.exit(Main()) |