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Initial version of the GridFS storage driver

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This commit is contained in:
Roberto Rosario
2011-03-04 01:08:20 -04:00
parent 3f71ee1a06
commit d0bea8ffeb
13 changed files with 218 additions and 183 deletions
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11
apps/documents/models.py
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@@ -19,7 +19,6 @@ from documents.conf.settings import STORAGE_BACKEND
from documents.conf.settings import AVAILABLE_TRANSFORMATIONS
from documents.conf.settings import DEFAULT_TRANSFORMATIONS
def get_filename_from_uuid(instance, filename):
filename, extension = os.path.splitext(filename)
instance.file_filename = filename
@@ -80,9 +79,9 @@ class Document(models.Model):
def update_mimetype(self, save=True):
try:
mime = magic.Magic(mime=True)
self.file_mimetype = mime.from_buffer(self.read())
self.file_mimetype = mime.from_buffer(self.open().read())
mime_encoding = magic.Magic(mime_encoding=True)
self.file_mime_encoding = mime_encoding.from_buffer(self.read())
self.file_mime_encoding = mime_encoding.from_buffer(self.open().read())
except:
self.file_mimetype = u'unknown'
self.file_mime_encoding = u'unknown'
@@ -119,8 +118,8 @@ class Document(models.Model):
def save_to_file(self, filepath, buffer_size=1024*1024):
input_descriptor = self.open()
output_descriptor = open(filepath, 'wb')
while 1:
copy_buffer = input_descriptor.read()
while True:
copy_buffer = input_descriptor.read(buffer_size)
if copy_buffer:
output_descriptor.write(copy_buffer)
else:
@@ -129,7 +128,7 @@ class Document(models.Model):
output_descriptor.close()
return filepath
def exists(self):
return self.file.storage.exists(self.file.path)