def BuildContentState(self, log: Log,
pathFileRecord: PathRecord,
allowCaching: bool, allowNew: bool,
cachedSyncState: Optional['SyncState'] = None) -> ContentState:
fileState = ContentState()
fileState.Name = pathFileRecord.RelativePath
fileState.Length = os.path.getsize(pathFileRecord.ResolvedPath)
fileState.ModifiedDate = self.__FileModificationDate(pathFileRecord.ResolvedPath)
fileState.TagChecksum = '0'
cachedState = cachedSyncState.TryGetFileState(fileState) if cachedSyncState is not None else None
if allowCaching and cachedState is not None and fileState.Length == cachedState.Length and fileState.ModifiedDate == cachedState.ModifiedDate:
fileState.Checksum = cachedState.Checksum
fileState.TagChecksum = cachedState.TagChecksum
log.LogPrintVerbose(2, "Using cached checksum for '{0}'".format(fileState.Name))
else:
log.LogPrintVerbose(2, "Calculating checksum for '{0}'".format(fileState.Name))
fileState.Checksum = IOUtil.HashFile(pathFileRecord.ResolvedPath)
# Mark the entry as being new
#if (cachedState is None or CacheState.New) and allowNew:
if cachedState is None and allowNew:
fileState.CacheState = CacheState.New
elif cachedState is not None and not fileState.IsSameState(cachedState):
fileState.CacheState = CacheState.Modified
fileState.ModificationComment = fileState.GetDifferenceString(cachedState)
else:
fileState.CacheState = CacheState.Unmodified
return fileState
def __CheckBuildConfigureModifications(
self, cacheFilename: str, generatedFileSet: Set[str],
command: List[str],
platformName: str) -> Optional[BuildConfigureCache]:
"""
Generate hashes for all files in the set and compare them to the previously saved hashes
Returns the new cache if its dirty else None if nothing was changed.
"""
# Generate a hash for all generated files and compare them to the previous "hash"
self.Log.LogPrintVerbose(4, "Checking current configuration")
generatedFileDictCache = {} # type: Dict[str,str]
for filename in generatedFileSet:
generatedFileDictCache[filename] = IOUtil.HashFile(filename)
configureCache = BuildConfigureCache(generatedFileDictCache, command,
platformName)
isDirty = True
self.Log.LogPrintVerbose(
5, "- Loading previous configuration cache if present")
previousConfigureCache = BuildConfigureCache.TryLoad(
self.Log, cacheFilename)
self.Log.LogPrintVerbose(5, "- Comparing cache entries")
isDirty = previousConfigureCache is None or not BuildConfigureCache.IsEqual(
configureCache, previousConfigureCache)
return configureCache if isDirty else None
def GenerateFileHash(filename: str) -> str:
return IOUtil.HashFile(filename)
