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| 1 #!/usr/bin/env python |
| 2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 3 # Use of this source code is governed by a BSD-style license that can be |
| 4 # found in the LICENSE file. |
| 5 |
| 6 """Reads a trace. Mostly for testing.""" |
| 7 |
| 8 import logging |
| 9 import optparse |
| 10 import os |
| 11 import sys |
| 12 |
| 13 import trace_inputs |
| 14 |
| 15 BASE_DIR = os.path.dirname(os.path.abspath(__file__)) |
| 16 ROOT_DIR = os.path.dirname(os.path.dirname(BASE_DIR)) |
| 17 |
| 18 |
| 19 def read_trace(logname, root_dir, cwd_dir, product_dir): |
| 20 # Resolve any symlink |
| 21 root_dir = os.path.realpath(root_dir) |
| 22 api = trace_inputs.get_api() |
| 23 _, _, _, _, simplified = trace_inputs.load_trace(logname, root_dir, api) |
| 24 variables = trace_inputs.generate_dict(simplified, cwd_dir, product_dir) |
| 25 trace_inputs.pretty_print(variables, sys.stdout) |
| 26 |
| 27 |
| 28 def main(): |
| 29 """CLI frontend to validate arguments.""" |
| 30 parser = optparse.OptionParser( |
| 31 usage='%prog <options> [gtest]') |
| 32 parser.add_option( |
| 33 '-v', '--verbose', |
| 34 action='count', |
| 35 default=0, |
| 36 help='Use up to 3 times to increase logging level') |
| 37 parser.add_option( |
| 38 '-c', '--cwd', |
| 39 default='chrome', |
| 40 help='Signal to start the process from this relative directory. When ' |
| 41 'specified, outputs the inputs files in a way compatible for ' |
| 42 'gyp processing. Should be set to the relative path containing the ' |
| 43 'gyp file, e.g. \'chrome\' or \'net\'') |
| 44 parser.add_option( |
| 45 '-p', '--product-dir', |
| 46 default='out/Release', |
| 47 help='Directory for PRODUCT_DIR. Default: %default') |
| 48 parser.add_option( |
| 49 '--root-dir', |
| 50 default=ROOT_DIR, |
| 51 help='Root directory to base everything off. Default: %default') |
| 52 options, args = parser.parse_args() |
| 53 |
| 54 level = [logging.ERROR, logging.INFO, logging.DEBUG][min(2, options.verbose)] |
| 55 logging.basicConfig( |
| 56 level=level, |
| 57 format='%(levelname)5s %(module)15s(%(lineno)3d):%(message)s') |
| 58 |
| 59 if len(args) != 1: |
| 60 parser.error('Please provide the log to read') |
| 61 if not options.product_dir: |
| 62 parser.error('--product-dir is required') |
| 63 if not options.cwd: |
| 64 parser.error('--cwd is required') |
| 65 |
| 66 return read_trace( |
| 67 args[0], |
| 68 options.root_dir, |
| 69 options.cwd, |
| 70 options.product_dir) |
| 71 |
| 72 |
| 73 if __name__ == '__main__': |
| 74 sys.exit(main()) |
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