def file_validation_mime_type(self, fixture):
"""A FileField can also limit the mimetype of files allowed to be uploaded.
"""
field = FileField(allow_multiple=True, accept=['text/*'])
obj = fixture.model_object
field.bind('file_value', obj)
files = [UploadedFile('file1', b'stuff 1', 'text/html'), UploadedFile('file2', b'stuff 2', 'text/xml')]
with expected(NoException):
field.set_user_input(files)
files = [UploadedFile('file1', b'stuff 3', 'text/html'), UploadedFile('file2', b'stuff 4', 'application/java')]
with expected(MimeTypeConstraint):
field.set_user_input(files)
def file_validation_max_files(self, fixture):
"""A maximum can be placed upon the number of files that may be uploaded.
"""
field = FileField(allow_multiple=True, max_files=1)
obj = fixture.model_object
field.bind('file_value', obj)
files = [UploadedFile('file1', b'stuff 1', '')]
with expected(NoException):
field.set_user_input(files)
files = [UploadedFile('file1', b'stuff 2', ''), UploadedFile('file2', b'stuff 3', '')]
with expected(MaxFilesConstraint):
field.set_user_input(files)
def file_validation_size(self, fixture):
"""A FileField can also limit the size if files uploaded.
"""
field = FileField(allow_multiple=True, max_size_bytes=100)
obj = fixture.model_object
field.bind('file_value', obj)
files = [UploadedFile('file1', b'.'*100, ''), UploadedFile('file2', b'.'*50, '')]
with expected(NoException):
field.set_user_input(files)
files = [UploadedFile('file1', b'.'*100, ''), UploadedFile('file2', b'.'*200, '')]
with expected(FileSizeConstraint):
field.set_user_input(files)
def accept_input(self, input_values):
value = [
UploadedFile(f.filename, f.file_obj.read(), f.mime_type)
for f in self.persisted_file_class.get_persisted_for_form(
self.form, self.name)
]
self.bound_field.from_input(value)
def get_value_from_input(self, input_values):
return [
UploadedFile(f.filename, f.file_obj.read(), f.mime_type)
for f in self.persisted_file_class.get_persisted_for_form(
self.form, self.name)
]
