41 lines
1.4 KiB
Python
41 lines
1.4 KiB
Python
import os
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import re
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from subprocess import Popen, PIPE
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def find_command(cmd, path=None, pathext=None):
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if path is None:
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path = os.environ.get('PATH', []).split(os.pathsep)
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if isinstance(path, basestring):
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path = [path]
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# check if there are funny path extensions for executables, e.g. Windows
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if pathext is None:
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pathext = os.environ.get('PATHEXT', '.COM;.EXE;.BAT;.CMD').split(os.pathsep)
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# don't use extensions if the command ends with one of them
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for ext in pathext:
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if cmd.endswith(ext):
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pathext = ['']
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break
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# check if we find the command on PATH
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for p in path:
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f = os.path.join(p, cmd)
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if os.path.isfile(f):
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return f
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for ext in pathext:
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fext = f + ext
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if os.path.isfile(fext):
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return fext
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return None
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# checks if it can find xgettext on the PATH and
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# imports the extraction tests if yes
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xgettext_cmd = find_command('xgettext')
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if xgettext_cmd:
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p = Popen('%s --version' % xgettext_cmd, shell=True, stdout=PIPE, stderr=PIPE, close_fds=os.name != 'nt', universal_newlines=True)
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output = p.communicate()[0]
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match = re.search(r'(?P<major>\d+)\.(?P<minor>\d+)', output)
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if match:
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xversion = (int(match.group('major')), int(match.group('minor')))
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if xversion >= (0, 15):
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from extraction import *
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del p
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