87 lines
2.9 KiB
Python
87 lines
2.9 KiB
Python
"""
|
|
Main program for 2to3.
|
|
"""
|
|
|
|
import sys
|
|
import os
|
|
import logging
|
|
import optparse
|
|
|
|
from . import refactor
|
|
|
|
|
|
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).
|
|
"""
|
|
# Set up option parser
|
|
parser = optparse.OptionParser(usage="refactor.py [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("-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")
|
|
|
|
# Parse command line arguments
|
|
refactor_stdin = False
|
|
options, args = parser.parse_args(args)
|
|
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("At least one file or directory argument required.", file=sys.stderr)
|
|
print("Use --help to show usage.", file=sys.stderr)
|
|
return 2
|
|
if "-" in args:
|
|
refactor_stdin = True
|
|
if options.write:
|
|
print("Can't write to stdin.", file=sys.stderr)
|
|
return 2
|
|
|
|
# Set up logging handler
|
|
level = logging.DEBUG if options.verbose else logging.INFO
|
|
logging.basicConfig(format='%(name)s: %(message)s', level=level)
|
|
|
|
# Initialize the refactoring tool
|
|
rt_opts = {"print_function" : options.print_function}
|
|
avail_names = refactor.get_fixers_from_package(fixer_pkg)
|
|
explicit = []
|
|
if options.fix:
|
|
explicit = [fixer_pkg + ".fix_" + fix
|
|
for fix in options.fix if fix != "all"]
|
|
fixer_names = avail_names if "all" in options.fix else explicit
|
|
else:
|
|
fixer_names = avail_names
|
|
rt = refactor.RefactoringTool(fixer_names, rt_opts, explicit=explicit)
|
|
|
|
# Refactor all files and directories passed as arguments
|
|
if not rt.errors:
|
|
if refactor_stdin:
|
|
rt.refactor_stdin()
|
|
else:
|
|
rt.refactor(args, options.write, options.doctests_only)
|
|
rt.summarize()
|
|
|
|
# Return error status (0 if rt.errors is zero)
|
|
return int(bool(rt.errors))
|
|
|
|
|
|
if __name__ == "__main__":
|
|
sys.exit(main())
|