Added new mimetype app to handle mimetype guessing and provide mimetype related icons when a preview is not available

This commit is contained in:
Roberto Rosario
2011-07-22 03:37:26 -04:00
parent 4060a39a4f
commit f589da84fd
124 changed files with 171 additions and 80 deletions

View File

@@ -2,14 +2,6 @@ import os
from common.conf.settings import TEMPORARY_DIRECTORY
try:
from python_magic import magic
USE_PYTHON_MAGIC = True
except:
import mimetypes
mimetypes.init()
USE_PYTHON_MAGIC = False
#http://stackoverflow.com/questions/123198/how-do-i-copy-a-file-in-python
def copyfile(source, dest, buffer_size=1024 * 1024):
@@ -37,30 +29,3 @@ def copyfile(source, dest, buffer_size=1024 * 1024):
def document_save_to_temp_dir(document, filename, buffer_size=1024 * 1024):
temporary_path = os.path.join(TEMPORARY_DIRECTORY, filename)
return document.save_to_file(temporary_path, buffer_size)
def get_document_mimetype(document):
"""
Determine a documents mimetype by calling the system's libmagic
library via python-magic or fallback to use python's mimetypes
library
"""
file_mimetype = u''
file_mime_encoding = u''
if USE_PYTHON_MAGIC:
if document.exists():
try:
source = document.open()
mime = magic.Magic(mime=True)
file_mimetype = mime.from_buffer(source.read())
source.seek(0)
mime_encoding = magic.Magic(mime_encoding=True)
file_mime_encoding = mime_encoding.from_buffer(source.read())
finally:
if source:
source.close()
else:
file_mimetype, file_mime_encoding = mimetypes.guess_type(document.get_fullname())
return file_mimetype, file_mime_encoding