mirror of
https://github.com/OCA/knowledge.git
synced 2025-07-16 12:12:57 -06:00
78 lines
3.1 KiB
Python
78 lines
3.1 KiB
Python
# Copyright 2014 Therp BV (<http://therp.nl>)
|
|
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
|
|
|
|
import collections
|
|
import logging
|
|
import mimetypes
|
|
import os.path
|
|
import base64
|
|
|
|
from odoo import models, api
|
|
|
|
_logger = logging.getLogger(__name__)
|
|
|
|
|
|
class IrAttachment(models.Model):
|
|
_inherit = 'ir.attachment'
|
|
|
|
@api.model
|
|
def get_binary_extension(self, model, ids, binary_field,
|
|
filename_field=None):
|
|
result = {}
|
|
ids_to_browse = ids if isinstance(ids, collections.Iterable) else [ids]
|
|
|
|
# First pass: load fields in bin_size mode to avoid loading big files
|
|
# unnecessarily.
|
|
if filename_field:
|
|
for this in self.env[model].with_context(
|
|
bin_size=True).browse(ids_to_browse):
|
|
extension = ''
|
|
if this[filename_field]:
|
|
filename, extension = os.path.splitext(
|
|
this[filename_field])
|
|
if this[binary_field] and extension:
|
|
result[this.id] = extension
|
|
_logger.debug('Got extension %s from filename %s',
|
|
extension, this[filename_field])
|
|
# Second pass for all attachments which have to be loaded fully
|
|
# to get the extension from the content
|
|
ids_to_browse = [_id for _id in ids_to_browse if _id not in result]
|
|
for this in self.env[model].with_context(
|
|
bin_size=True).browse(ids_to_browse):
|
|
if not this[binary_field]:
|
|
result[this.id] = False
|
|
continue
|
|
try:
|
|
import magic
|
|
ms = magic.open(
|
|
hasattr(magic, 'MAGIC_MIME_TYPE') and
|
|
magic.MAGIC_MIME_TYPE or magic.MAGIC_MIME)
|
|
ms.load()
|
|
if model == self._name and binary_field == 'datas'\
|
|
and this.store_fname:
|
|
mimetype = ms.file(
|
|
this._full_path(this.store_fname))
|
|
_logger.debug('Magic determined mimetype %s from file %s',
|
|
mimetype, this.store_fname)
|
|
else:
|
|
mimetype = ms.buffer(
|
|
base64.b64decode(this[binary_field]))
|
|
_logger.debug('Magic determined mimetype %s from buffer',
|
|
mimetype)
|
|
except ImportError:
|
|
(mimetype, encoding) = mimetypes.guess_type(
|
|
'data:;base64,' + this[binary_field], strict=False)
|
|
_logger.debug('Mimetypes guessed type %s from buffer',
|
|
mimetype)
|
|
extension = mimetypes.guess_extension(
|
|
mimetype.split(';')[0], strict=False)
|
|
result[this.id] = extension
|
|
for _id in result:
|
|
result[_id] = (result[_id] or '').lstrip('.').lower()
|
|
return result if isinstance(ids, collections.Iterable) else result[ids]
|
|
|
|
@api.model
|
|
def get_attachment_extension(self, ids):
|
|
return self.get_binary_extension(
|
|
self._name, ids, 'datas', 'datas_fname')
|