def validate_file(self, replace_diff_ext=False):
def possible_extensions(filename):
possible_type = guess_type(filename)[0]
if not possible_type:
return []
return guess_all_extensions(guess_type(filename)[0])
if not self.mime_type:
raise BadMediaFileException(_("Did not process a mime type!"))
base_type = self.mime_type.split('/')[0]
if base_type not in self.valid_base_types():
raise BadMediaFileException(
_("Not a valid %s file.") %
self.media_class.get_nice_name().lower())
if self.file_ext.lower() not in possible_extensions(self.form_path):
raise BadMediaFileException(
_("File {name} has an incorrect file type {ext}.").format(
name=self.uploaded_file.name,
ext=self.file_ext,
))
if not replace_diff_ext and self.file_ext.lower(
) != self.orig_ext.lower():
raise BadMediaFileException(
_("The file type of {name} of '{ext}' does not match the "
"file type of the original media file '{orig_ext}'. To change "
"file types, please upload directly from the "
"Form Builder.").format(
name=self.uploaded_file.name,
ext=self.file_ext.lower(),
orig_ext=self.orig_ext.lower(),
))
def validate_file(self, replace_diff_ext=False):
if not self.mime_type in self.valid_mime_types():
raise BadMediaFileException(_("Uploaded file is not a ZIP file."))
if not self.uploaded_zip:
raise BadMediaFileException(_("There is no ZIP file."))
if self.uploaded_zip.testzip():
raise BadMediaFileException(_("Unable to extract the ZIP file."))
def validate_file(self, replace_diff_ext=False):
if not self.mime_type in self.valid_mime_types():
raise BadMediaFileException("Your zip file doesn't have a valid mimetype.")
if not self.uploaded_zip:
raise BadMediaFileException("There is no ZIP file.")
if self.uploaded_zip.testzip():
raise BadMediaFileException("The ZIP file provided was bad.")
def uploaded_zip(self):
try:
self.uploaded_file.file.seek(0)
return zipfile.ZipFile(self.uploaded_file)
except Exception as e:
msg = _("There was an issue processing the zip file you provided. Error: %s")
raise BadMediaFileException(msg % e)
def mime_type(self):
try:
data = self.uploaded_file.file.read()
return CommCareMultimedia.get_mime_type(
data, filename=self.uploaded_file.name)
except Exception as e:
raise BadMediaFileException(
"There was an error fetching the MIME type of your file. Error: %s"
% e)
def get_image_object(cls, data):
try:
return Image.open(BytesIO(data))
except IOError:
raise BadMediaFileException(_('Upload is not a valid image file.'))