diff options
Diffstat (limited to 'deps/gyp/pylib/gyp/simple_copy.py')
-rw-r--r-- | deps/gyp/pylib/gyp/simple_copy.py | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/deps/gyp/pylib/gyp/simple_copy.py b/deps/gyp/pylib/gyp/simple_copy.py deleted file mode 100644 index 74c98c5a79..0000000000 --- a/deps/gyp/pylib/gyp/simple_copy.py +++ /dev/null @@ -1,46 +0,0 @@ -# Copyright 2014 Google Inc. All rights reserved. -# Use of this source code is governed by a BSD-style license that can be -# found in the LICENSE file. - -"""A clone of the default copy.deepcopy that doesn't handle cyclic -structures or complex types except for dicts and lists. This is -because gyp copies so large structure that small copy overhead ends up -taking seconds in a project the size of Chromium.""" - -class Error(Exception): - pass - -__all__ = ["Error", "deepcopy"] - -def deepcopy(x): - """Deep copy operation on gyp objects such as strings, ints, dicts - and lists. More than twice as fast as copy.deepcopy but much less - generic.""" - - try: - return _deepcopy_dispatch[type(x)](x) - except KeyError: - raise Error('Unsupported type %s for deepcopy. Use copy.deepcopy ' + - 'or expand simple_copy support.' % type(x)) - -_deepcopy_dispatch = d = {} - -def _deepcopy_atomic(x): - return x - -for x in (type(None), int, long, float, - bool, str, unicode, type): - d[x] = _deepcopy_atomic - -def _deepcopy_list(x): - return [deepcopy(a) for a in x] -d[list] = _deepcopy_list - -def _deepcopy_dict(x): - y = {} - for key, value in x.iteritems(): - y[deepcopy(key)] = deepcopy(value) - return y -d[dict] = _deepcopy_dict - -del d |