def _save_data(cls, target, value, oldvalue, initiator):
""" Refresh metadata and save the binary data to the data field.
:param target: The File instance
:type target: :class:`kotti.resources.File` or subclass
:param value: The container for binary data
:type value: A :class:`cgi.FieldStorage` instance
"""
if isinstance(value, bytes):
value = _to_fieldstorage(fp=StringIO(value),
filename=target.filename,
mimetype=target.mimetype,
size=len(value))
newvalue = _SQLAMutationTracker._field_set(
target, value, oldvalue, initiator)
if newvalue is None:
return
target.filename = newvalue.filename
target.mimetype = newvalue.content_type
target.size = newvalue.file.content_length
return newvalue
def _save_data(target: 'File',
value: Optional[Union[FieldStorage, bytes, UploadedFile, BufferedReader]], # noqa
oldvalue: Optional[Union[UploadedFile, _symbol]],
initiator: Event) -> Optional[UploadedFile]:
""" Refresh metadata and save the binary data to the data field.
:param target: The File instance
:type target: :class:`kotti.resources.File` or subclass
:param value: The container for binary data
:type value: A :class:`cgi.FieldStorage` instance
"""
if isinstance(value, bytes):
fp = BytesIO(value)
value = _to_fieldstorage(fp=fp,
filename=target.filename,
mimetype=target.mimetype,
size=len(value))
newvalue = _SQLAMutationTracker._field_set(
target, value, oldvalue, initiator)
if newvalue is None:
return
target.filename = newvalue.filename
target.mimetype = newvalue.content_type
target.size = newvalue.file.content_length
return newvalue
def _set_data(cls, target, value, oldvalue, initiator):
# Ref #384 : enforce this method
if isinstance(value, (cStringIO.InputType, file)):
value.seek(0)
value = value.read()
if isinstance(value, bytes):
value = _to_fieldstorage(
fp=cStringIO.StringIO(value),
filename=target.name,
size=len(value)
)
newvalue = _SQLAMutationTracker._field_set(
target,
value,
oldvalue,
initiator
)
if newvalue is None:
return
target.filename = newvalue.filename
target.mimetype = detect_file_headers(newvalue.filename)
target.size = newvalue.file.content_length
return newvalue
def _set_data(cls, target, value, oldvalue, initiator):
if isinstance(value, bytes):
value = _to_fieldstorage(fp=StringIO(value),
filename=target.filename,
size=len(value))
newvalue = _SQLAMutationTracker._field_set(
target, value, oldvalue, initiator)
if newvalue is None:
return
target.filename = newvalue.filename
target.mimetype = detect_file_headers(newvalue.filename)
target.size = newvalue.file.content_length
return newvalue
def _set_data(cls, target, value, oldvalue, initiator):
# Ref #384 : enforce this method
if hasattr(value, "seek"):
value.seek(0)
value = value.read()
if isinstance(value, bytes):
value = _to_fieldstorage(fp=cStringIO.StringIO(value),
filename=target.name,
size=len(value))
newvalue = _SQLAMutationTracker._field_set(target, value, oldvalue,
initiator)
if newvalue is None:
return
target.filename = newvalue.filename
target.mimetype = detect_file_headers(newvalue.filename)
target.size = newvalue.file.content_length
return newvalue
def _save_data(
target: "File",
value: Optional[Union[FieldStorage, bytes, UploadedFile,
BufferedReader]], # noqa
oldvalue: Optional[Union[UploadedFile, _symbol]],
initiator: Event,
) -> Optional[UploadedFile]:
""" Refresh metadata and save the binary data to the data field.
:param target: The File instance
:type target: :class:`kotti.resources.File` or subclass
:param value: The container for binary data
:type value: A :class:`cgi.FieldStorage` instance
"""
if isinstance(value, bytes):
fp = BytesIO(value)
value = _to_fieldstorage(
fp=fp,
filename=target.filename,
mimetype=target.mimetype,
size=len(value),
)
newvalue = _SQLAMutationTracker._field_set(target, value, oldvalue,
initiator)
if newvalue is None:
return
target.filename = newvalue.filename
target.mimetype = newvalue.content_type
target.size = newvalue.file.content_length
return newvalue
