| OLD | NEW |
| (Empty) |
| 1 # Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 # Use of this source code is governed by a BSD-style license that can be | |
| 3 # found in the LICENSE file. | |
| 4 | |
| 5 """Chromium cr tool main module. | |
| 6 | |
| 7 Holds the main function and all it's support code. | |
| 8 """ | |
| 9 | |
| 10 import os | |
| 11 import sys | |
| 12 import cr | |
| 13 import cr.auto.user | |
| 14 import cr.autocomplete | |
| 15 import cr.loader | |
| 16 | |
| 17 _CONTACT = 'iancottrell@chromium.org' | |
| 18 | |
| 19 | |
| 20 def Main(): | |
| 21 """Chromium cr tool main function. | |
| 22 | |
| 23 This is the main entry point of the cr tool, it finds and loads all the | |
| 24 plugins, creates the context and then activates and runs the specified | |
| 25 command. | |
| 26 """ | |
| 27 | |
| 28 # Add the users plugin dir to the cr.auto.user package scan | |
| 29 user_path = os.path.expanduser(os.path.join('~', '.config', 'cr')) | |
| 30 cr.auto.user.__path__.append(user_path) | |
| 31 | |
| 32 cr.loader.Scan() | |
| 33 | |
| 34 # Build the command context | |
| 35 context = cr.Context( | |
| 36 description='The chrome dev build tool.', | |
| 37 epilog='Contact ' + _CONTACT + ' if you have issues with this tool.', | |
| 38 ) | |
| 39 # Install the sub-commands | |
| 40 for command in cr.Command.Plugins(): | |
| 41 context.AddSubParser(command) | |
| 42 | |
| 43 # test for the special autocomplete command | |
| 44 if context.autocompleting: | |
| 45 # After plugins are loaded so pylint: disable=g-import-not-at-top | |
| 46 cr.autocomplete.Complete(context) | |
| 47 return | |
| 48 # Speculative argument processing to add config specific args | |
| 49 context.ParseArgs(True) | |
| 50 cr.plugin.Activate(context) | |
| 51 # At this point we should know what command we are going to use | |
| 52 command = cr.Command.GetActivePlugin(context) | |
| 53 # Do some early processing, in case it changes the build dir | |
| 54 if command: | |
| 55 command.EarlyArgProcessing(context) | |
| 56 # Update the activated set again, in case the early processing changed it | |
| 57 cr.plugin.Activate(context) | |
| 58 # Load the build specific configuration | |
| 59 found_build_dir = cr.base.client.LoadConfig(context) | |
| 60 # Final processing or arguments | |
| 61 context.ParseArgs() | |
| 62 cr.plugin.Activate(context) | |
| 63 # If we did not get a command before, it might have been fixed. | |
| 64 if command is None: | |
| 65 command = cr.Command.GetActivePlugin(context) | |
| 66 # If the verbosity level is 3 or greater, then print the environment here | |
| 67 if context.verbose >= 3: | |
| 68 context.DumpValues(context.verbose > 3) | |
| 69 if command is None: | |
| 70 print context.Substitute('No command specified.') | |
| 71 exit(1) | |
| 72 if command.requires_build_dir: | |
| 73 if not found_build_dir: | |
| 74 if not context.Find('CR_OUT_FULL'): | |
| 75 print context.Substitute( | |
| 76 'No build directory specified. Please use cr init to make one.') | |
| 77 else: | |
| 78 print context.Substitute( | |
| 79 'Build {CR_BUILD_DIR} not a valid build directory') | |
| 80 exit(1) | |
| 81 if context.Find('CR_VERSION') != cr.base.client.VERSION: | |
| 82 print context.Substitute( | |
| 83 'Build {CR_BUILD_DIR} is for the wrong version of cr') | |
| 84 print 'Please run cr init to reset it' | |
| 85 exit(1) | |
| 86 cr.Platform.Prepare(context) | |
| 87 if context.verbose >= 1: | |
| 88 print context.Substitute( | |
| 89 'Running cr ' + command.name + ' for {CR_BUILD_DIR}') | |
| 90 # Invoke the given command | |
| 91 command.Run(context) | |
| 92 | |
| 93 if __name__ == '__main__': | |
| 94 sys.exit(Main()) | |
| OLD | NEW |