def fileGet(f, sha):
fc = FileCache.gql('WHERE filename = :1', f).get()
if fc:
if sha == fc.sha:
logging.info('file unchanged, using cache.')
return (False, json.loads(fc.data))
else:
logging.info('file changed, refreshing cache.')
return (True, fileCacheRefresh(f, sha))
else:
logging.info('file not in cache, retrieving.')
return (True, fileCacheRefresh(f, sha))
def fileCacheRefresh(f, sha):
# Load yaml data from file.
data = yaml.load(urlfetch.fetch(raw_path + f).content)
# Format the data to be saved in the database
data_json = json.dumps(data, separators=(',', ':'))
# Attempt to load the record
fc = FileCache.gql('WHERE project = :1', f).get()
if fc: # Save data to existing record
fc.sha = sha
fc.data = data_json
fc.put()
else: # Create a new record
fc = FileCache(filename=f, sha=sha, data=data_json)
fc.put()
return data