90 lines
2.2 KiB
Python
90 lines
2.2 KiB
Python
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# Copyright 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import os
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import shutil
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import subprocess
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import sys
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BASE_DIR = os.path.dirname(os.path.abspath(__file__))
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def main():
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if len(sys.argv) != 2:
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print 'usage: %s <output.html>' % sys.argv[0]
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return 1
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env = os.environ.copy()
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env['GYP_GENERATORS'] = 'dump_dependency_json'
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print 'Dumping dependencies...'
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popen = subprocess.Popen(
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['python', 'build/gyp_chromium'],
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shell=True, env=env)
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popen.communicate()
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if popen.returncode != 0:
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return popen.returncode
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print 'Finding problems...'
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popen = subprocess.Popen(
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['python', 'tools/gyp-explain.py', '--dot',
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'chrome.gyp:browser#', 'core.gyp:webcore#'],
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stdout=subprocess.PIPE,
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shell=True)
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out, _ = popen.communicate()
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if popen.returncode != 0:
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return popen.returncode
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# Break into pairs to uniq to make graph less of a mess.
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print 'Simplifying...'
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deduplicated = set()
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lines = out.splitlines()[2:-1]
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for line in lines:
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line = line.strip('\r\n ;')
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pairs = line.split(' -> ')
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for i in range(len(pairs) - 1):
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deduplicated.add('%s -> %s;' % (pairs[i], pairs[i + 1]))
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graph = 'strict digraph {\n' + '\n'.join(sorted(deduplicated)) + '\n}'
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print 'Writing report to %s...' % sys.argv[1]
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path_count = len(out.splitlines())
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with open(os.path.join(BASE_DIR, 'viz.js', 'viz.js')) as f:
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viz_js = f.read()
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with open(sys.argv[1], 'w') as f:
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f.write(PREFIX % path_count)
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f.write(graph)
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f.write(SUFFIX % viz_js)
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print 'Done.'
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PREFIX = r'''<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Undesirable Dependencies</title>
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</head>
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<body>
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<h1>Undesirable Dependencies</h1>
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<h2>browser → webcore</h2>
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<h3>%d paths</h3>
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<script type="text/vnd.graphviz" id="graph">
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'''
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SUFFIX = r'''
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</script>
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<script>%s</script>
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<div id="output">Rendering...</div>
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<script>
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setTimeout(function() {
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document.getElementById("output").innerHTML =
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Viz(document.getElementById("graph").innerHTML, "svg");
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}, 1);
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</script>
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</body>
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</html>
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'''
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if __name__ == '__main__':
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sys.exit(main())
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