| scherkus@chromium.org | e117e9a | 2013-01-10 01:17:18 | [diff] [blame] | 1 | #!/usr/bin/env python |
| Avi Drissman | dfd88085 | 2022-09-15 20:11:09 | [diff] [blame] | 2 | # Copyright 2013 The Chromium Authors |
| scherkus@chromium.org | e117e9a | 2013-01-10 01:17:18 | [diff] [blame] | 3 | # Use of this source code is governed by a BSD-style license that can be |
| 4 | # found in the LICENSE file. |
| 5 | |
| 6 | """Chrome Version Tool |
| 7 | |
| 8 | Scrapes Chrome channel information and prints out the requested nugget of |
| 9 | information. |
| 10 | """ |
| 11 | |
| Raul Tambre | 26d7db4 | 2019-09-25 11:06:35 | [diff] [blame] | 12 | from __future__import print_function |
| 13 | |
| scherkus@chromium.org | e117e9a | 2013-01-10 01:17:18 | [diff] [blame] | 14 | import json |
| 15 | import optparse |
| 16 | import os |
| 17 | import string |
| 18 | import sys |
| 19 | import urllib |
| 20 | |
| 21 | URL='https://omahaproxy.appspot.com/json' |
| 22 | |
| 23 | |
| 24 | def main(): |
| 25 | try: |
| 26 | data= json.load(urllib.urlopen(URL)) |
| 27 | exceptExceptionas e: |
| Raul Tambre | 26d7db4 | 2019-09-25 11:06:35 | [diff] [blame] | 28 | print('Error: could not load %s\n\n%s'%(URL, str(e))) |
| scherkus@chromium.org | e117e9a | 2013-01-10 01:17:18 | [diff] [blame] | 29 | return1 |
| 30 | |
| 31 | # Iterate to find out valid values for OS, channel, and field options. |
| 32 | oses= set() |
| 33 | channels= set() |
| 34 | fields= set() |
| 35 | |
| 36 | for os_versionsin data: |
| 37 | oses.add(os_versions['os']) |
| 38 | |
| 39 | for versionin os_versions['versions']: |
| 40 | for fieldin version: |
| 41 | if field=='channel': |
| 42 | channels.add(version['channel']) |
| 43 | else: |
| 44 | fields.add(field) |
| 45 | |
| 46 | oses= sorted(oses) |
| 47 | channels= sorted(channels) |
| 48 | fields= sorted(fields) |
| 49 | |
| 50 | # Command line parsing fun begins! |
| 51 | usage=('%prog [options]\n' |
| 52 | 'Print out information about a particular Chrome channel.') |
| 53 | parser= optparse.OptionParser(usage=usage) |
| 54 | |
| 55 | parser.add_option('-o','--os', |
| 56 | choices=oses, |
| 57 | default='win', |
| 58 | help='The operating system of interest: %s ' |
| 59 | '[default: %%default]'%', '.join(oses)) |
| 60 | parser.add_option('-c','--channel', |
| 61 | choices=channels, |
| 62 | default='stable', |
| 63 | help='The channel of interest: %s ' |
| 64 | '[default: %%default]'%', '.join(channels)) |
| 65 | parser.add_option('-f','--field', |
| 66 | choices=fields, |
| 67 | default='version', |
| 68 | help='The field of interest: %s ' |
| 69 | '[default: %%default] '%', '.join(fields)) |
| 70 | (opts, args)= parser.parse_args() |
| 71 | |
| 72 | # Print out requested data if available. |
| 73 | for os_versionsin data: |
| 74 | if os_versions['os']!= opts.os: |
| 75 | continue |
| 76 | |
| 77 | for versionin os_versions['versions']: |
| 78 | if version['channel']!= opts.channel: |
| 79 | continue |
| 80 | |
| 81 | if opts.fieldnotin version: |
| 82 | continue |
| 83 | |
| Raul Tambre | 26d7db4 | 2019-09-25 11:06:35 | [diff] [blame] | 84 | print(version[opts.field]) |
| scherkus@chromium.org | e117e9a | 2013-01-10 01:17:18 | [diff] [blame] | 85 | return0 |
| 86 | |
| Raul Tambre | 26d7db4 | 2019-09-25 11:06:35 | [diff] [blame] | 87 | print('Error: unable to find %s for Chrome %s %s.'%(opts.field, opts.os, |
| 88 | opts.channel)) |
| scherkus@chromium.org | e117e9a | 2013-01-10 01:17:18 | [diff] [blame] | 89 | return1 |
| 90 | |
| 91 | if __name__=='__main__': |
| 92 | sys.exit(main()) |
