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Diffstat (limited to 'FOSS/Python/Dependencies/future-0.18.2/src/libpasteurize/main.py')
| -rw-r--r-- | FOSS/Python/Dependencies/future-0.18.2/src/libpasteurize/main.py | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/FOSS/Python/Dependencies/future-0.18.2/src/libpasteurize/main.py b/FOSS/Python/Dependencies/future-0.18.2/src/libpasteurize/main.py deleted file mode 100644 index 4179174..0000000 --- a/FOSS/Python/Dependencies/future-0.18.2/src/libpasteurize/main.py +++ /dev/null @@ -1,204 +0,0 @@ -""" -pasteurize: automatic conversion of Python 3 code to clean 2/3 code -=================================================================== - -``pasteurize`` attempts to convert existing Python 3 code into source-compatible -Python 2 and 3 code. - -Use it like this on Python 3 code: - - $ pasteurize --verbose mypython3script.py - -This removes any Py3-only syntax (e.g. new metaclasses) and adds these -import lines: - - from __future__ import absolute_import - from __future__ import division - from __future__ import print_function - from __future__ import unicode_literals - from future import standard_library - standard_library.install_hooks() - from builtins import * - -To write changes to the files, use the -w flag. - -It also adds any other wrappers needed for Py2/3 compatibility. - -Note that separate stages are not available (or needed) when converting from -Python 3 with ``pasteurize`` as they are when converting from Python 2 with -``futurize``. - -The --all-imports option forces adding all ``__future__`` imports, -``builtins`` imports, and standard library aliases, even if they don't -seem necessary for the current state of each module. (This can simplify -testing, and can reduce the need to think about Py2 compatibility when editing -the code further.) - -""" - -from __future__ import (absolute_import, print_function, unicode_literals) - -import sys -import logging -import optparse -from lib2to3.main import main, warn, StdoutRefactoringTool -from lib2to3 import refactor - -from future import __version__ -from libpasteurize.fixes import fix_names - - -def main(args=None): - """Main program. - - Returns a suggested exit status (0, 1, 2). - """ - # Set up option parser - parser = optparse.OptionParser(usage="pasteurize [options] file|dir ...") - parser.add_option("-V", "--version", action="store_true", - help="Report the version number of pasteurize") - parser.add_option("-a", "--all-imports", action="store_true", - help="Adds all __future__ and future imports to each module") - parser.add_option("-f", "--fix", action="append", default=[], - help="Each FIX specifies a transformation; default: all") - parser.add_option("-j", "--processes", action="store", default=1, - type="int", help="Run 2to3 concurrently") - 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") - # 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("--no-diffs", action="store_true", - help="Don't show diffs of the refactoring") - 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.") - - # Parse command line arguments - refactor_stdin = False - flags = {} - options, args = parser.parse_args(args) - fixer_pkg = 'libpasteurize.fixes' - avail_fixes = fix_names - flags["print_function"] = True - - if not options.write and options.no_diffs: - warn("not writing files and not printing diffs; that's not very useful") - if not options.write and options.nobackups: - parser.error("Can't use -n without -w") - if options.version: - print(__version__) - return 0 - if options.list_fixes: - print("Available transformations for the -f/--fix option:") - for fixname in sorted(avail_fixes): - 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) - - unwanted_fixes = set() - for fix in options.nofix: - if ".fix_" in fix: - unwanted_fixes.add(fix) - else: - # Infer the full module name for the fixer. - # First ensure that no names clash (e.g. - # lib2to3.fixes.fix_blah and libfuturize.fixes.fix_blah): - found = [f for f in avail_fixes - if f.endswith('fix_{0}'.format(fix))] - if len(found) > 1: - print("Ambiguous fixer name. Choose a fully qualified " - "module name instead from these:\n" + - "\n".join(" " + myf for myf in found), - file=sys.stderr) - return 2 - elif len(found) == 0: - print("Unknown fixer. Use --list-fixes or -l for a list.", - file=sys.stderr) - return 2 - unwanted_fixes.add(found[0]) - - extra_fixes = set() - if options.all_imports: - prefix = 'libpasteurize.fixes.' - extra_fixes.add(prefix + 'fix_add_all__future__imports') - extra_fixes.add(prefix + 'fix_add_future_standard_library_import') - extra_fixes.add(prefix + 'fix_add_all_future_builtins') - - explicit = set() - if options.fix: - all_present = False - for fix in options.fix: - if fix == 'all': - all_present = True - else: - if ".fix_" in fix: - explicit.add(fix) - else: - # Infer the full module name for the fixer. - # First ensure that no names clash (e.g. - # lib2to3.fixes.fix_blah and libpasteurize.fixes.fix_blah): - found = [f for f in avail_fixes - if f.endswith('fix_{0}'.format(fix))] - if len(found) > 1: - print("Ambiguous fixer name. Choose a fully qualified " - "module name instead from these:\n" + - "\n".join(" " + myf for myf in found), - file=sys.stderr) - return 2 - elif len(found) == 0: - print("Unknown fixer. Use --list-fixes or -l for a list.", - file=sys.stderr) - return 2 - explicit.add(found[0]) - if len(explicit & unwanted_fixes) > 0: - print("Conflicting usage: the following fixers have been " - "simultaneously requested and disallowed:\n" + - "\n".join(" " + myf for myf in (explicit & unwanted_fixes)), - file=sys.stderr) - return 2 - requested = avail_fixes.union(explicit) if all_present else explicit - else: - requested = avail_fixes.union(explicit) - - fixer_names = requested | extra_fixes - unwanted_fixes - - # Initialize the refactoring tool - rt = StdoutRefactoringTool(sorted(fixer_names), flags, set(), - options.nobackups, not options.no_diffs) - - # Refactor all files and directories passed as arguments - if not rt.errors: - if refactor_stdin: - rt.refactor_stdin() - else: - try: - rt.refactor(args, options.write, None, - options.processes) - except refactor.MultiprocessingUnsupported: - assert options.processes > 1 - print("Sorry, -j isn't " \ - "supported on this platform.", file=sys.stderr) - return 1 - rt.summarize() - - # Return error status (0 if rt.errors is zero) - return int(bool(rt.errors)) |