def get_and_update_cached_file(file_url):
"""Returns cached file for the given URL only if the file exists."""
cached_file = CachedFile.get(file_url)
if cached_file:
# check if the file still exists and remove the object from the DB otherwise
if os.path.isfile(app.config['CACHE_DIR'] + cached_file.filename):
return cached_file
CachedFile.delete(cached_file) # else
return None
def get_and_update_cached_file(file_url):
"""Returns cached file for the given URL only if the file exists."""
cached_file = CachedFile.get(file_url)
if cached_file:
# check if the file still exists and remove the object from the DB otherwise
if os.path.isfile(app.config['CACHE_DIR'] + cached_file.filename):
return cached_file
CachedFile.delete(cached_file) # else
return None
def delete_file(cached_file):
try:
os.remove(app.config['CACHE_DIR'] + cached_file.filename)
CachedFile.delete(cached_file)
except OSError as e: # E.g., if the file does not exist.
if e.errno==errno.ENOENT:
# We wanted to delete it anyway so go ahead
CachedFile.delete(cached_file)
else: raise # E.g., permission denied
def delete_file(cached_file):
try:
os.remove(app.config['CACHE_DIR'] + cached_file.filename)
CachedFile.delete(cached_file)
except OSError as e: # E.g., if the file does not exist.
if e.errno == errno.ENOENT:
# We wanted to delete it anyway so go ahead
CachedFile.delete(cached_file)
else:
raise # E.g., permission denied
