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Better error message when setup.py is run with python3

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This commit is contained in:
Kovid Goyal 2016-05-13 16:37:05 +05:30
parent fb8f12cce9
commit b8b205eaf5
1 changed files with 22 additions and 20 deletions
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42
setup.py
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@ -1,25 +1,27 @@
#!/usr/bin/env python2 #!/usr/bin/env python2
# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
from __future__ import with_statement from __future__ import print_function
__license__ = 'GPL v3' __license__ = 'GPL v3'
__copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>' __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
__docformat__ = 'restructuredtext en' __docformat__ = 'restructuredtext en'
import sys, os, optparse import sys, os
def check_version_info():
vi = sys.version_info
if vi[0] == 2 and vi[1:3] >= (7, 9):
return None
raise SystemExit('calibre requires python >= 2.7.9 and < 3')
check_version_info()
sys.path.insert(0, os.path.abspath(os.path.dirname(__file__))) sys.path.insert(0, os.path.abspath(os.path.dirname(__file__)))
import setup.commands as commands import setup.commands as commands
from setup import prints, get_warnings from setup import prints, get_warnings
def check_version_info():
vi = sys.version_info
if vi[0] == 2 and vi[1] > 6:
return None
return 'calibre requires python >= 2.7 and < 3'
def option_parser(): def option_parser():
import optparse
parser = optparse.OptionParser() parser = optparse.OptionParser()
parser.add_option('-c', '--clean', default=False, action='store_true', parser.add_option('-c', '--clean', default=False, action='store_true',
help=('Instead of running the command delete all files generated ' help=('Instead of running the command delete all files generated '
@ -40,23 +42,23 @@ def clean_backups():
def main(args=sys.argv): def main(args=sys.argv):
if len(args) == 1 or args[1] in ('-h', '--help'): if len(args) == 1 or args[1] in ('-h', '--help'):
print 'Usage: python', args[0], 'command', '[options]' print('Usage: python', args[0], 'command', '[options]')
print '\nWhere command is one of:' print('\nWhere command is one of:')
print print()
for x in sorted(commands.__all__): for x in sorted(commands.__all__):
print '%-20s -'%x, print('%-20s -'%x, end=' ')
c = getattr(commands, x) c = getattr(commands, x)
desc = getattr(c, 'short_description', c.description) desc = getattr(c, 'short_description', c.description)
print desc print(desc)
print '\nTo get help on a particular command, run:' print('\nTo get help on a particular command, run:')
print '\tpython', args[0], 'command -h' print('\tpython', args[0], 'command -h')
return 1 return 1
command = args[1] command = args[1]
if command not in commands.__all__: if command not in commands.__all__:
print command, 'is not a recognized command.' print (command, 'is not a recognized command.')
print 'Valid commands:', ', '.join(commands.__all__) print ('Valid commands:', ', '.join(commands.__all__))
return 1 return 1
command = getattr(commands, command) command = getattr(commands, command)
@ -86,12 +88,12 @@ def main(args=sys.argv):
warnings = get_warnings() warnings = get_warnings()
if warnings: if warnings:
print print()
prints('There were', len(warnings), 'warning(s):') prints('There were', len(warnings), 'warning(s):')
print print()
for args, kwargs in warnings: for args, kwargs in warnings:
prints('*', *args, **kwargs) prints('*', *args, **kwargs)
print print()
return 0 return 0