AppPkg/Applications/Python: Add Python 2.7.2 sources since the release of Python 2.7.3 made them unavailable from the python.org web site.
These files are a subset of the python-2.7.2.tgz distribution from python.org. Changed files from PyMod-2.7.2 have been copied into the corresponding directories of this tree, replacing the original files in the distribution. Signed-off-by: daryl.mcdaniel@intel.com git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13197 6f19259b-4bc3-4df7-8a09-765794883524
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darylm503
182
AppPkg/Applications/Python/Python-2.7.2/Lib/lib2to3/main.py
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182
AppPkg/Applications/Python/Python-2.7.2/Lib/lib2to3/main.py
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"""
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Main program for 2to3.
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"""
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from __future__ import with_statement
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import sys
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import os
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import difflib
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import logging
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import shutil
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import optparse
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from . import refactor
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def diff_texts(a, b, filename):
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"""Return a unified diff of two strings."""
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a = a.splitlines()
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b = b.splitlines()
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return difflib.unified_diff(a, b, filename, filename,
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"(original)", "(refactored)",
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lineterm="")
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class StdoutRefactoringTool(refactor.MultiprocessRefactoringTool):
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"""
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Prints output to stdout.
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"""
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def __init__(self, fixers, options, explicit, nobackups, show_diffs):
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self.nobackups = nobackups
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self.show_diffs = show_diffs
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super(StdoutRefactoringTool, self).__init__(fixers, options, explicit)
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def log_error(self, msg, *args, **kwargs):
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self.errors.append((msg, args, kwargs))
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self.logger.error(msg, *args, **kwargs)
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def write_file(self, new_text, filename, old_text, encoding):
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if not self.nobackups:
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# Make backup
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backup = filename + ".bak"
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if os.path.lexists(backup):
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try:
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os.remove(backup)
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except os.error, err:
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self.log_message("Can't remove backup %s", backup)
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try:
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os.rename(filename, backup)
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except os.error, err:
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self.log_message("Can't rename %s to %s", filename, backup)
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# Actually write the new file
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write = super(StdoutRefactoringTool, self).write_file
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write(new_text, filename, old_text, encoding)
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if not self.nobackups:
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shutil.copymode(backup, filename)
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def print_output(self, old, new, filename, equal):
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if equal:
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self.log_message("No changes to %s", filename)
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else:
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self.log_message("Refactored %s", filename)
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if self.show_diffs:
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diff_lines = diff_texts(old, new, filename)
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try:
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if self.output_lock is not None:
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with self.output_lock:
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for line in diff_lines:
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print line
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sys.stdout.flush()
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else:
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for line in diff_lines:
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print line
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except UnicodeEncodeError:
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warn("couldn't encode %s's diff for your terminal" %
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(filename,))
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return
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def warn(msg):
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print >> sys.stderr, "WARNING: %s" % (msg,)
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def main(fixer_pkg, args=None):
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"""Main program.
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Args:
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fixer_pkg: the name of a package where the fixers are located.
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args: optional; a list of command line arguments. If omitted,
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sys.argv[1:] is used.
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Returns a suggested exit status (0, 1, 2).
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"""
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# Set up option parser
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parser = optparse.OptionParser(usage="2to3 [options] file|dir ...")
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parser.add_option("-d", "--doctests_only", action="store_true",
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help="Fix up doctests only")
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parser.add_option("-f", "--fix", action="append", default=[],
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help="Each FIX specifies a transformation; default: all")
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parser.add_option("-j", "--processes", action="store", default=1,
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type="int", help="Run 2to3 concurrently")
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parser.add_option("-x", "--nofix", action="append", default=[],
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help="Prevent a transformation from being run")
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parser.add_option("-l", "--list-fixes", action="store_true",
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help="List available transformations")
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parser.add_option("-p", "--print-function", action="store_true",
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help="Modify the grammar so that print() is a function")
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parser.add_option("-v", "--verbose", action="store_true",
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help="More verbose logging")
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parser.add_option("--no-diffs", action="store_true",
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help="Don't show diffs of the refactoring")
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parser.add_option("-w", "--write", action="store_true",
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help="Write back modified files")
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parser.add_option("-n", "--nobackups", action="store_true", default=False,
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help="Don't write backups for modified files")
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# Parse command line arguments
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refactor_stdin = False
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flags = {}
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options, args = parser.parse_args(args)
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if not options.write and options.no_diffs:
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warn("not writing files and not printing diffs; that's not very useful")
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if not options.write and options.nobackups:
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parser.error("Can't use -n without -w")
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if options.list_fixes:
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print "Available transformations for the -f/--fix option:"
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for fixname in refactor.get_all_fix_names(fixer_pkg):
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print fixname
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if not args:
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return 0
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if not args:
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print >> sys.stderr, "At least one file or directory argument required."
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print >> sys.stderr, "Use --help to show usage."
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return 2
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if "-" in args:
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refactor_stdin = True
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if options.write:
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print >> sys.stderr, "Can't write to stdin."
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return 2
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if options.print_function:
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flags["print_function"] = True
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# Set up logging handler
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level = logging.DEBUG if options.verbose else logging.INFO
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logging.basicConfig(format='%(name)s: %(message)s', level=level)
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# Initialize the refactoring tool
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avail_fixes = set(refactor.get_fixers_from_package(fixer_pkg))
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unwanted_fixes = set(fixer_pkg + ".fix_" + fix for fix in options.nofix)
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explicit = set()
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if options.fix:
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all_present = False
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for fix in options.fix:
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if fix == "all":
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all_present = True
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else:
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explicit.add(fixer_pkg + ".fix_" + fix)
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requested = avail_fixes.union(explicit) if all_present else explicit
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else:
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requested = avail_fixes.union(explicit)
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fixer_names = requested.difference(unwanted_fixes)
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rt = StdoutRefactoringTool(sorted(fixer_names), flags, sorted(explicit),
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options.nobackups, not options.no_diffs)
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# Refactor all files and directories passed as arguments
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if not rt.errors:
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if refactor_stdin:
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rt.refactor_stdin()
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else:
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try:
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rt.refactor(args, options.write, options.doctests_only,
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options.processes)
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except refactor.MultiprocessingUnsupported:
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assert options.processes > 1
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print >> sys.stderr, "Sorry, -j isn't " \
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"supported on this platform."
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return 1
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rt.summarize()
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# Return error status (0 if rt.errors is zero)
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return int(bool(rt.errors))
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