debian-zeep/src/zeep/wsdl/attachments.py

81 lines
2.1 KiB
Python

"""Basic implementation to support SOAP-Attachments
See https://www.w3.org/TR/SOAP-attachments
"""
import base64
from cached_property import cached_property
from requests.structures import CaseInsensitiveDict
class MessagePack(object):
def __init__(self, parts):
self._parts = parts
def __repr__(self):
return '<MessagePack(attachments=[%s])>' % (
', '.join(repr(a) for a in self.attachments))
@property
def root(self):
return self._root
def _set_root(self, root):
self._root = root
@cached_property
def attachments(self):
"""Return a list of attachments.
:rtype: list of Attachment
"""
return [Attachment(part) for part in self._parts]
def get_by_content_id(self, content_id):
"""get_by_content_id
:param content_id: The content-id to return
:type content_id: str
:rtype: Attachment
"""
for attachment in self.attachments:
if attachment.content_id == content_id:
return attachment
class Attachment(object):
def __init__(self, part):
encoding = part.encoding or 'utf-8'
self.headers = CaseInsensitiveDict({
k.decode(encoding): v.decode(encoding)
for k, v in part.headers.items()
})
self.content_type = self.headers.get('Content-Type', None)
self.content_id = self.headers.get('Content-ID', None)
self.content_location = self.headers.get('Content-Location', None)
self._part = part
def __repr__(self):
return '<Attachment(%r, %r)>' % (self.content_id, self.content_type)
@cached_property
def content(self):
"""Return the content of the attachment
:rtype: bytes or str
"""
encoding = self.headers.get('Content-Transfer-Encoding', None)
content = self._part.content
if encoding == 'base64':
return base64.b64decode(content)
elif encoding == 'binary':
return content.strip(b'\r\n')
else:
return content