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#!/usr/bin/python
from string import Template
import stat
import SCons
def md5sum(filename):
import hashlib
f = file(filename,'rb')
return hashlib.md5(f.read()).hexdigest()
def md5sum_action(target, source, env):
for i in range(len(source)):
digest = md5sum(source[i].abspath)
content = digest + ' ' + source[i].name + '\n'
file(target[i].abspath, 'w').write(content)
return 0
def md5sum_emitter(target, source, env):
if len(target) < len(source):
diff = len(source) - len(target)
offset = len(target)
for i in range(diff):
s = source[offset + i]
target.append(env.File(s.abspath + '.md5sum'))
return (target, source)
def generate(env, **kw):
try:
env['BUILDERS']['MD5SUMSTR']
env['BUILDERS']['MD5SUM']
except KeyError:
md5str = "Caculating md5sum: $TARGETS"
action = SCons.Action.Action(md5sum_action, '$MD5SUMSTR')
env['MD5SUMSTR'] = md5str
env['BUILDERS']['MD5SUM'] = env.Builder(action = action,
emitter = md5sum_emitter,
suffix = '.md5sum')
def exists(env):
try:
import hashlib
return True
except:
return False
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