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Unified Diff: build/android/gyp/util/md5_check.py

Issue 2392643003: Removes files from //build that we don't need (Closed)
Patch Set: Created 4 years, 2 months ago
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Index: build/android/gyp/util/md5_check.py
diff --git a/build/android/gyp/util/md5_check.py b/build/android/gyp/util/md5_check.py
deleted file mode 100644
index 9f365aa08162c83b22192b675a1a53a5e9acb87f..0000000000000000000000000000000000000000
--- a/build/android/gyp/util/md5_check.py
+++ /dev/null
@@ -1,86 +0,0 @@
-# Copyright 2013 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import hashlib
-import os
-
-
-def CallAndRecordIfStale(
- function, record_path=None, input_paths=None, input_strings=None,
- force=False):
- """Calls function if the md5sum of the input paths/strings has changed.
-
- The md5sum of the inputs is compared with the one stored in record_path. If
- this has changed (or the record doesn't exist), function will be called and
- the new md5sum will be recorded.
-
- If force is True, the function will be called regardless of whether the
- md5sum is out of date.
- """
- if not input_paths:
- input_paths = []
- if not input_strings:
- input_strings = []
- md5_checker = _Md5Checker(
- record_path=record_path,
- input_paths=input_paths,
- input_strings=input_strings)
- if force or md5_checker.IsStale():
- function()
- md5_checker.Write()
-
-
-def _UpdateMd5ForFile(md5, path, block_size=2**16):
- with open(path, 'rb') as infile:
- while True:
- data = infile.read(block_size)
- if not data:
- break
- md5.update(data)
-
-
-def _UpdateMd5ForDirectory(md5, dir_path):
- for root, _, files in os.walk(dir_path):
- for f in files:
- _UpdateMd5ForFile(md5, os.path.join(root, f))
-
-
-def _UpdateMd5ForPath(md5, path):
- if os.path.isdir(path):
- _UpdateMd5ForDirectory(md5, path)
- else:
- _UpdateMd5ForFile(md5, path)
-
-
-class _Md5Checker(object):
- def __init__(self, record_path=None, input_paths=None, input_strings=None):
- if not input_paths:
- input_paths = []
- if not input_strings:
- input_strings = []
-
- assert record_path.endswith('.stamp'), (
- 'record paths must end in \'.stamp\' so that they are easy to find '
- 'and delete')
-
- self.record_path = record_path
-
- md5 = hashlib.md5()
- for i in sorted(input_paths):
- _UpdateMd5ForPath(md5, i)
- for s in input_strings:
- md5.update(s)
- self.new_digest = md5.hexdigest()
-
- self.old_digest = ''
- if os.path.exists(self.record_path):
- with open(self.record_path, 'r') as old_record:
- self.old_digest = old_record.read()
-
- def IsStale(self):
- return self.old_digest != self.new_digest
-
- def Write(self):
- with open(self.record_path, 'w') as new_record:
- new_record.write(self.new_digest)
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