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3d42b35eac
[FIX] Lint [FIX] lint and flake [ADD] tests [ADD] tests [ADD] tests [ADD] Tests [ADD] Package python-magic [ADD] Tests [FIX] Lint
76 lines
3.1 KiB
Python
76 lines
3.1 KiB
Python
# Copyright 2014 Therp BV (<http://therp.nl>)
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# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
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import collections
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import logging
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import mimetypes
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import os.path
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from odoo import models, api
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_logger = logging.getLogger(__name__)
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class IrAttachment(models.Model):
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_inherit = 'ir.attachment'
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@api.model
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def get_binary_extension(self, model, ids, binary_field,
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filename_field=None):
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result = {}
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ids_to_browse = ids if isinstance(ids, collections.Iterable) else [ids]
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# First pass: load fields in bin_size mode to avoid loading big files
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# unnecessarily.
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if filename_field:
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for this in self.env[model].with_context(
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bin_size=True).browse(ids_to_browse):
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if not this.id:
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result[this.id] = False
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continue
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extension = ''
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if this[filename_field]:
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filename, extension = os.path.splitext(
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this[filename_field])
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if this[binary_field] and extension:
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result[this.id] = extension
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_logger.debug('Got extension %s from filename %s',
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extension, this[filename_field])
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# Second pass for all attachments which have to be loaded fully
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# to get the extension from the content
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ids_to_browse = [_id for _id in ids_to_browse if _id not in result]
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for this in self.env[model].with_context(
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bin_size=True).browse(ids_to_browse):
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if this[binary_field] is None:
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result[this.id] = False
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continue
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try:
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import magic
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if model == self._name and binary_field == 'datas'\
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and this.store_fname:
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mimetype = magic.from_file(
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this._full_path(this.store_fname), mime=True)
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_logger.debug('Magic determined mimetype %s from file %s',
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mimetype, this.store_fname)
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else:
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mimetype = magic.from_buffer(
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this[binary_field], mime=True)
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_logger.debug('Magic determined mimetype %s from buffer',
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mimetype)
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except ImportError:
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(mimetype, encoding) = mimetypes.guess_type(
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'data:;base64,' + this[binary_field], strict=False)
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_logger.debug('Mimetypes guessed type %s from buffer',
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mimetype)
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extension = mimetypes.guess_extension(
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mimetype.split(';')[0], strict=False)
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result[this.id] = extension
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for _id in result:
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result[_id] = (result[_id] or '').lstrip('.').lower()
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return result if isinstance(ids, collections.Iterable) else result[ids]
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@api.model
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def get_attachment_extension(self, ids):
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return self.get_binary_extension(
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self._name, ids, 'datas', 'datas_fname')
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