diff options
Diffstat (limited to 'Tools/md5_tstamp.py')
-rw-r--r-- | Tools/md5_tstamp.py | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/Tools/md5_tstamp.py b/Tools/md5_tstamp.py deleted file mode 100644 index 2a58792..0000000 --- a/Tools/md5_tstamp.py +++ /dev/null @@ -1,38 +0,0 @@ -#! /usr/bin/env python -# encoding: utf-8 - -""" -Re-calculate md5 hashes of files only when the file time have changed. - -The hashes can also reflect either the file contents (STRONGEST=True) or the -file time and file size. - -The performance benefits of this module are usually insignificant. -""" - -import os, stat -from waflib import Utils, Build, Node - -STRONGEST = True - -Build.SAVED_ATTRS.append('hashes_md5_tstamp') -def h_file(self): - filename = self.abspath() - st = os.stat(filename) - - cache = self.ctx.hashes_md5_tstamp - if filename in cache and cache[filename][0] == st.st_mtime: - return cache[filename][1] - - if STRONGEST: - ret = Utils.h_file(filename) - else: - if stat.S_ISDIR(st[stat.ST_MODE]): - raise IOError('Not a file') - ret = Utils.md5(str((st.st_mtime, st.st_size)).encode()).digest() - - cache[filename] = (st.st_mtime, ret) - return ret -h_file.__doc__ = Node.Node.h_file.__doc__ -Node.Node.h_file = h_file - |