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setup: show-tool-versions: emit module and __version__ information even when module...
[tahoe-lafs/zfec.git] / misc / build_helpers / show-tool-versions.py
1 #! /usr/bin/env python
2
3 import os, subprocess, sys, traceback
4
5 def foldlines(s):
6     return s.replace("\n", " ").replace("\r", "")
7
8 def print_platform():
9     print
10     try:
11         import platform
12         out = platform.platform()
13         print
14         print "platform:", out.replace("\n", " ")
15     except EnvironmentError:
16         sys.stderr.write("Got exception using 'platform'. Exception follows\n")
17         traceback.print_exc(file=sys.stderr)
18         sys.stderr.flush()
19         pass
20
21 def print_python_ver():
22     print
23     print "python:", foldlines(sys.version)
24     print 'maxunicode: ' + str(sys.maxunicode)
25
26 def print_stdout(cmdlist, label=None):
27     print
28     try:
29         res = subprocess.Popen(cmdlist, stdin=open(os.devnull),
30                                stdout=subprocess.PIPE).communicate()[0]
31         if label is None:
32             label = cmdlist[0]
33         print label + ': ' + foldlines(res)
34     except EnvironmentError:
35         sys.stderr.write("\nGot exception invoking '%s'. Exception follows.\n" % (cmdlist[0],))
36         traceback.print_exc(file=sys.stderr)
37         sys.stderr.flush()
38         pass
39
40 def print_as_ver():
41     print
42     if os.path.exists('a.out'):
43         print "WARNING: a file named a.out exists, and getting the version of the 'as' assembler writes to that filename, so I'm not attempting to get the version of 'as'."
44         return
45     try:
46         res = subprocess.Popen(['as', '-version'], stdin=open(os.devnull),
47                                stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
48         print 'as: ' + foldlines(res[0]+' '+res[1])
49         if os.path.exists('a.out'):
50             os.remove('a.out')
51     except EnvironmentError:
52         sys.stderr.write("\nGot exception invoking '%s'. Exception follows.\n" % ('as',))
53         traceback.print_exc(file=sys.stderr)
54         sys.stderr.flush()
55         pass
56
57 def print_setuptools_ver():
58     print
59     try:
60         import pkg_resources
61         out = str(pkg_resources.require("setuptools"))
62         print "setuptools:", foldlines(out)
63     except (ImportError, EnvironmentError):
64         sys.stderr.write("\nGot exception using 'pkg_resources' to get the version of setuptools. Exception follows\n")
65         traceback.print_exc(file=sys.stderr)
66         sys.stderr.flush()
67         pass
68
69 def print_py_pkg_ver(pkgname, modulename=None):
70     if modulename is None:
71         modulename = pkgname
72
73     print
74     try:
75         import pkg_resources
76         out = str(pkg_resources.require(pkgname))
77         print pkgname + ': ' + foldlines(out)
78     except (ImportError, EnvironmentError):
79         sys.stderr.write("\nGot exception using 'pkg_resources' to get the version of %s. Exception follows.\n" % (pkgname,))
80         traceback.print_exc(file=sys.stderr)
81         sys.stderr.flush()
82         pass
83     except pkg_resources.DistributionNotFound:
84         sys.stderr.write("\npkg_resources reported no %s package installed. Exception follows.\n" % (pkgname,))
85         traceback.print_exc(file=sys.stderr)
86         sys.stderr.flush()
87         pass
88     try:
89         __import__(modulename)
90     except ImportError:
91         pass
92     else:
93         modobj = sys.modules.get(modulename)
94         print pkgname + ' module: ' + str(modobj)
95         try:
96             print pkgname + ' __version__: ' + str(modobj.__version__)
97         except AttributeError:
98             pass
99
100 print_platform()
101
102 print_python_ver()
103
104 print_stdout(['buildbot', '--version'])
105 print_stdout(['cl'])
106 print_stdout(['gcc', '--version'])
107 print_stdout(['darcs', '--version'])
108 print_stdout(['darcs', '--exact-version'], label='darcs-exact-version')
109 print_stdout(['7za'])
110 print_stdout(['flappclient', '--version'])
111
112 print_setuptools_ver()
113
114 print_py_pkg_ver('coverage')
115 print_py_pkg_ver('trialcoverage')
116 print_py_pkg_ver('setuptools_trial')
117 print_py_pkg_ver('setuptools_darcs')
118 print_py_pkg_ver('darcsver')
119 print_py_pkg_ver('Twisted', 'twisted')
120 print_py_pkg_ver('TwistedCore', 'twisted.python')