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import contextlib
import os
import tempfile
from .base import BaseStorage
class Storage(BaseStorage):
def __init__(self, app):
super().__init__(app)
os.makedirs(self.app.config['FILE_DIRECTORY'], exist_ok=True)
os.makedirs(self.app.config['THUMB_DIRECTORY'], exist_ok=True)
def store_file(self, uploaded_file, file_hash, user, ip):
size = uploaded_file.content_length
if hasattr(uploaded_file.stream, 'file'):
temp = None
temp_path = uploaded_file.stream.name
else:
temp = tempfile.NamedTemporaryFile(prefix='upload_', dir=self.app.config['FILE_DIRECTORY'], delete=False)
uploaded_file.save(temp.file)
temp_path = temp.name
size = os.path.getsize(temp_path)
try:
new_file = self.add_file(file_hash, uploaded_file.filename, size, user, ip)
os.rename(temp_path, new_file.get_path())
return new_file
except:
os.unlink(temp.name)
raise
finally:
if self.app.config.get('DESTINATION_MODE'):
os.chmod(new_file.get_path(), self.app.config.get('DESTINATION_MODE'))
def get_file(self, f):
path = f.get_path()
if not os.path.exists(path):
return
return path
def delete_file(self, f):
path = f.get_path()
if os.path.exists(path):
os.unlink(path)
@contextlib.contextmanager
def temp_file(self, f):
with open(f.get_path(), 'rb') as f:
yield f
def get_thumbnail(self, f):
path = f.get_thumb_path()
if not os.path.exists(path):
return
return path
def store_thumbnail(self, f, stream):
path = f.get_thumb_path()
with open(path, 'wb') as f:
buf = stream.read(1024*10)
while buf:
f.write(buf)
buf = stream.read(1024*10)
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