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Keep sphinx/__init__.py executable with Python 3.

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This commit is contained in:
Georg Brandl 2010-07-28 19:58:17 +02:00
parent c683c6ed83
commit 7866ce29c6
1 changed files with 12 additions and 8 deletions
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20
sphinx/__init__.py
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@ -9,6 +9,9 @@
:license: BSD, see LICENSE for details. :license: BSD, see LICENSE for details.
""" """
# Keep this file executable as-is in Python 3!
# (Otherwise getting the version out of it from setup.py is impossible.)
import sys import sys
from os import path from os import path
@ -35,13 +38,14 @@ if '+' in __version__ or 'pre' in __version__:
def main(argv=sys.argv): def main(argv=sys.argv):
if sys.version_info[:3] < (2, 4, 0): if sys.version_info[:3] < (2, 4, 0):
print >>sys.stderr, \ sys.stderr.write('Error: Sphinx requires at least '
'Error: Sphinx requires at least Python 2.4 to run.' 'Python 2.4 to run.\n')
return 1 return 1
try: try:
from sphinx import cmdline from sphinx import cmdline
except ImportError, err: except ImportError:
err = sys.exc_info()[1]
errstr = str(err) errstr = str(err)
if errstr.lower().startswith('no module named'): if errstr.lower().startswith('no module named'):
whichmod = errstr[16:] whichmod = errstr[16:]
@ -54,14 +58,14 @@ def main(argv=sys.argv):
whichmod = 'roman module (which is distributed with Docutils)' whichmod = 'roman module (which is distributed with Docutils)'
hint = ('This can happen if you upgraded docutils using\n' hint = ('This can happen if you upgraded docutils using\n'
'easy_install without uninstalling the old version' 'easy_install without uninstalling the old version'
'first.') 'first.\n')
else: else:
whichmod += ' module' whichmod += ' module'
print >>sys.stderr, ('Error: The %s cannot be found. ' sys.stderr.write('Error: The %s cannot be found. '
'Did you install Sphinx and its dependencies ' 'Did you install Sphinx and its dependencies '
'correctly?' % whichmod) 'correctly?\n' % whichmod)
if hint: if hint:
print >> sys.stderr, hint sys.stderr.write(hint)
return 1 return 1
raise raise
return cmdline.main(argv) return cmdline.main(argv)