| # Copyright 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. |
| |
| import os |
| import shutil |
| import subprocess |
| import sys |
| |
| |
| BASE_DIR = os.path.dirname(os.path.abspath(__file__)) |
| |
| |
| def main(): |
| if len(sys.argv) != 2: |
| print 'usage: %s <output.html>' % sys.argv[0] |
| return 1 |
| env = os.environ.copy() |
| env['GYP_GENERATORS'] = 'dump_dependency_json' |
| print 'Dumping dependencies...' |
| popen = subprocess.Popen( |
| ['python', 'build/gyp_chromium'], |
| shell=True, env=env) |
| popen.communicate() |
| if popen.returncode != 0: |
| return popen.returncode |
| print 'Finding problems...' |
| popen = subprocess.Popen( |
| ['python', 'tools/gyp-explain.py', '--dot', |
| 'chrome.gyp:browser#', 'core.gyp:webcore#'], |
| stdout=subprocess.PIPE, |
| shell=True) |
| out, _ = popen.communicate() |
| if popen.returncode != 0: |
| return popen.returncode |
| |
| # Break into pairs to uniq to make graph less of a mess. |
| print 'Simplifying...' |
| deduplicated = set() |
| lines = out.splitlines()[2:-1] |
| for line in lines: |
| line = line.strip('\r\n ;') |
| pairs = line.split(' -> ') |
| for i in range(len(pairs) - 1): |
| deduplicated.add('%s -> %s;' % (pairs[i], pairs[i + 1])) |
| graph = 'strict digraph {\n' + '\n'.join(sorted(deduplicated)) + '\n}' |
| |
| print 'Writing report to %s...' % sys.argv[1] |
| path_count = len(out.splitlines()) |
| with open(os.path.join(BASE_DIR, 'viz.js', 'viz.js')) as f: |
| viz_js = f.read() |
| with open(sys.argv[1], 'w') as f: |
| f.write(PREFIX % path_count) |
| f.write(graph) |
| f.write(SUFFIX % viz_js) |
| print 'Done.' |
| |
| |
| PREFIX = r'''<!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Undesirable Dependencies</title> |
| </head> |
| <body> |
| <h1>Undesirable Dependencies</h1> |
| <h2>browser → webcore</h2> |
| <h3>%d paths</h3> |
| <script type="text/vnd.graphviz" id="graph"> |
| ''' |
| |
| |
| SUFFIX = r''' |
| </script> |
| <script>%s</script> |
| <div id="output">Rendering...</div> |
| <script> |
| setTimeout(function() { |
| document.getElementById("output").innerHTML = |
| Viz(document.getElementById("graph").innerHTML, "svg"); |
| }, 1); |
| </script> |
| </body> |
| </html> |
| ''' |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |
