def test_file_signature(self):
file1 = os.path.join(autoconfig.data_directory, "decl_cache_file1.txt")
file1_dup = os.path.join(autoconfig.data_directory, "decl_cache_file1_duplicate.txt")
file2 = os.path.join(autoconfig.data_directory, "decl_cache_file2.txt")
sig1 = declarations_cache.file_signature(file1)
sig1_dup = declarations_cache.file_signature(file1_dup)
sig2 = declarations_cache.file_signature(file2)
self.assert_(sig1 == sig1_dup)
self.assert_(sig1 != sig2)
def test_file_signature(self):
file1 = os.path.join(autoconfig.data_directory, 'decl_cache_file1.txt')
file1_dup = os.path.join(autoconfig.data_directory,
'decl_cache_file1_duplicate.txt')
file2 = os.path.join(autoconfig.data_directory, 'decl_cache_file2.txt')
sig1 = declarations_cache.file_signature(file1)
sig1_dup = declarations_cache.file_signature(file1_dup)
sig2 = declarations_cache.file_signature(file2)
self.assertTrue(sig1 == sig1_dup)
self.assertTrue(sig1 != sig2)
def getCachedTree(self, sourceFiles, configSig):
""" Attempt to read a cache decl tree from the cache.
sourceFiles - A list of source files for the module builder
configuration - A pygccxml configuration object being used.
returns: None if failed sigs or none found.
"""
ret_val = None
if os.path.exists(self.cacheFileName):
src_and_cfg_digest = self.computeSrcAndCfgDigest(sourceFiles, configSig)
self.logger.info("Attempting to load module cache file: %s"%self.cacheFileName)
cache_file = file(self.cacheFileName, 'rb')
(cached_src_and_cfg_digest, includes_digest, includes) = cPickle.load(cache_file)
if (cached_src_and_cfg_digest == src_and_cfg_digest):
inc_sig = md5.new()
for f in [ x for x in includes if os.path.isfile(x)]:
inc_sig.update(file_signature(f))
if inc_sig.hexdigest() == includes_digest:
load_start_time = time.time()
self.logger.info(" Signatures matched, loading data.")
ret_val = cPickle.load(cache_file)
self._module_builder_t__code_creator = None
self.logger.info(" Loading complete. %ss"%(time.time()-load_start_time))
else:
self.logger.info(" Sig mis-match: Implicit include files changes.")
else:
self.logger.info(" Sig mis-match: Source files or configuration changed.")
cache_file.close()
return ret_val
def dumpCachedTree(self, sourceFiles, configSig, declTree):
self.logger.info("Writing module cache... ")
cache_file = file(self.cacheFileName,'wb')
src_and_cfg_digest = self.computeSrcAndCfgDigest(sourceFiles, configSig)
decl_files = [ f for f in decls_package.declaration_files(declTree) if os.path.isfile(f)]
inc_sig = md5.new()
for f in decl_files:
inc_sig.update(file_signature(f))
cPickle.dump( (src_and_cfg_digest, inc_sig.hexdigest(), decl_files),
cache_file, cPickle.HIGHEST_PROTOCOL)
cPickle.dump(declTree, cache_file, cPickle.HIGHEST_PROTOCOL)
cache_file.close()
self.logger.info("Complete.")
def computeSrcAndCfgDigest(self, srcFiles, configSig):
sig = md5.new()
sig.update(configSig)
for f in srcFiles:
sig.update(file_signature(f))
return sig.hexdigest()
