1# libjingle
2# Copyright 2013 Google Inc.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are met:
6#
7#  1. Redistributions of source code must retain the above copyright notice,
8#     this list of conditions and the following disclaimer.
9#  2. Redistributions in binary form must reproduce the above copyright notice,
10#     this list of conditions and the following disclaimer in the documentation
11#     and/or other materials provided with the distribution.
12#  3. The name of the author may not be used to endorse or promote products
13#     derived from this software without specific prior written permission.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
16# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
17# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
18# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
24# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25
26def _LicenseHeader(input_api):
27  """Returns the license header regexp."""
28  # Accept any year number from start of project to the current year
29  current_year = int(input_api.time.strftime('%Y'))
30  allowed_years = (str(s) for s in reversed(xrange(2004, current_year + 1)))
31  years_re = '(' + '|'.join(allowed_years) + ')'
32  years_re = '%s(--%s)?' % (years_re, years_re)
33  license_header = (
34      r'.*? libjingle\n'
35      r'.*? Copyright %(year)s Google Inc\..*\n'
36      r'.*?\n'
37      r'.*? Redistribution and use in source and binary forms, with or without'
38        r'\n'
39      r'.*? modification, are permitted provided that the following conditions '
40        r'are met:\n'
41      r'.*?\n'
42      r'.*? 1\. Redistributions of source code must retain the above copyright '
43        r'notice,\n'
44      r'.*?    this list of conditions and the following disclaimer\.\n'
45      r'.*? 2\. Redistributions in binary form must reproduce the above '
46        r'copyright notice,\n'
47      r'.*?    this list of conditions and the following disclaimer in the '
48        r'documentation\n'
49      r'.*?    and/or other materials provided with the distribution\.\n'
50      r'.*? 3\. The name of the author may not be used to endorse or promote '
51        r'products\n'
52      r'.*?    derived from this software without specific prior written '
53        r'permission\.\n'
54      r'.*?\n'
55      r'.*? THIS SOFTWARE IS PROVIDED BY THE AUTHOR \`\`AS IS\'\' AND ANY '
56        r'EXPRESS OR IMPLIED\n'
57      r'.*? WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES '
58        r'OF\n'
59      r'.*? MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE '
60        r'DISCLAIMED\. IN NO\n'
61      r'.*? EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, '
62        r'INCIDENTAL,\n'
63      r'.*? SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES \(INCLUDING, '
64        r'BUT NOT LIMITED TO,\n'
65      r'.*? PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR '
66        r'PROFITS;\n'
67      r'.*? OR BUSINESS INTERRUPTION\) HOWEVER CAUSED AND ON ANY THEORY OF '
68        r'LIABILITY,\n'
69      r'.*? WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT \(INCLUDING '
70        r'NEGLIGENCE OR\n'
71      r'.*? OTHERWISE\) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, '
72        r'EVEN IF\n'
73      r'.*? ADVISED OF THE POSSIBILITY OF SUCH DAMAGE\.\n'
74  ) % {
75      'year': years_re,
76  }
77  return license_header
78
79def _CommonChecks(input_api, output_api):
80  """Checks common to both upload and commit."""
81  results = []
82  results.extend(input_api.canned_checks.CheckLicense(
83      input_api, output_api, _LicenseHeader(input_api)))
84  return results
85
86def CheckChangeOnUpload(input_api, output_api):
87  results = []
88  results.extend(_CommonChecks(input_api, output_api))
89  return results
90
91def CheckChangeOnCommit(input_api, output_api):
92  results = []
93  results.extend(_CommonChecks(input_api, output_api))
94  return results
95