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- # Source Generated with Decompyle++
- # File: in.pyc (Python 2.6)
-
- '''
- Main program for 2to3.
- '''
- import sys
- import os
- import logging
- import shutil
- import optparse
- from import refactor
-
- class StdoutRefactoringTool(refactor.RefactoringTool):
- '''
- Prints output to stdout.
- '''
-
- def __init__(self, fixers, options, explicit, nobackups):
- self.nobackups = nobackups
- super(StdoutRefactoringTool, self).__init__(fixers, options, explicit)
-
-
- def log_error(self, msg, *args, **kwargs):
- self.errors.append((msg, args, kwargs))
- self.logger.error(msg, *args, **kwargs)
-
-
- def write_file(self, new_text, filename, old_text):
- if not self.nobackups:
- backup = filename + '.bak'
- if os.path.lexists(backup):
-
- try:
- os.remove(backup)
- except os.error:
- err = None
- self.log_message("Can't remove backup %s", backup)
- except:
- None<EXCEPTION MATCH>os.error
-
-
- None<EXCEPTION MATCH>os.error
-
- try:
- os.rename(filename, backup)
- except os.error:
- err = None
- self.log_message("Can't rename %s to %s", filename, backup)
- except:
- None<EXCEPTION MATCH>os.error
-
-
- None<EXCEPTION MATCH>os.error
- super(StdoutRefactoringTool, self).write_file(new_text, filename, old_text)
- if not self.nobackups:
- shutil.copymode(backup, filename)
-
-
-
- def print_output(self, lines):
- for line in lines:
- print line
-
-
-
-
- def main(fixer_pkg, args = None):
- '''Main program.
-
- Args:
- fixer_pkg: the name of a package where the fixers are located.
- args: optional; a list of command line arguments. If omitted,
- sys.argv[1:] is used.
-
- Returns a suggested exit status (0, 1, 2).
- '''
- parser = optparse.OptionParser(usage = '2to3 [options] file|dir ...')
- parser.add_option('-d', '--doctests_only', action = 'store_true', help = 'Fix up doctests only')
- parser.add_option('-f', '--fix', action = 'append', default = [], help = 'Each FIX specifies a transformation; default: all')
- parser.add_option('-x', '--nofix', action = 'append', default = [], help = 'Prevent a fixer from being run.')
- parser.add_option('-l', '--list-fixes', action = 'store_true', help = 'List available transformations (fixes/fix_*.py)')
- parser.add_option('-p', '--print-function', action = 'store_true', help = 'Modify the grammar so that print() is a function')
- parser.add_option('-v', '--verbose', action = 'store_true', help = 'More verbose logging')
- parser.add_option('-w', '--write', action = 'store_true', help = 'Write back modified files')
- parser.add_option('-n', '--nobackups', action = 'store_true', default = False, help = "Don't write backups for modified files.")
- refactor_stdin = False
- (options, args) = parser.parse_args(args)
- if not (options.write) and options.nobackups:
- parser.error("Can't use -n without -w")
-
- if options.list_fixes:
- print 'Available transformations for the -f/--fix option:'
- for fixname in refactor.get_all_fix_names(fixer_pkg):
- print fixname
-
- if not args:
- return 0
-
- if not args:
- print >>sys.stderr, 'At least one file or directory argument required.'
- print >>sys.stderr, 'Use --help to show usage.'
- return 2
- level = None if '-' in args else args if options.verbose else logging.INFO
- logging.basicConfig(format = '%(name)s: %(message)s', level = level)
- rt_opts = {
- 'print_function': options.print_function }
- avail_fixes = set(refactor.get_fixers_from_package(fixer_pkg))
- unwanted_fixes = (set,)((lambda .0: for fix in .0:
- fixer_pkg + '.fix_' + fix)(options.nofix))
- explicit = set()
- if options.fix:
- all_present = False
- for fix in options.fix:
- if fix == 'all':
- all_present = True
- continue
- explicit.add(fixer_pkg + '.fix_' + fix)
-
- requested = None if all_present else explicit
- else:
- requested = avail_fixes.union(explicit)
- fixer_names = requested.difference(unwanted_fixes)
- rt = StdoutRefactoringTool(sorted(fixer_names), rt_opts, sorted(explicit), options.nobackups)
- if not rt.errors:
- if refactor_stdin:
- rt.refactor_stdin()
- else:
- rt.refactor(args, options.write, options.doctests_only)
- rt.summarize()
-
- return int(bool(rt.errors))
-
-