def clean_code(self):
data = self.cleaned_data['code']
if self.check_is_empty(data):
raise forms.ValidationError("No file submitted.")
if not self.check_size(data):
raise forms.ValidationError("File size exceeded max size, component can not be uploaded.")
self.check_filename(data)
# get allowed file types
upload_ext = splitext(data.name)[1]
t = CodeComponent.objects.filter(id=self.prefix)
allowed_list = t[0].allowed.split(",")
name_okay = False
if not any([data.name.endswith(ext) for ext in allowed_list]):
msg = None
msg_allowed = "Allowed types are:"
for k in CODE_TYPES:
if k[0] in allowed_list:
msg_allowed = msg_allowed + " " + k[1] + ","
if k[0] == upload_ext:
msg = "File extension incorrect. File appears to be %s." % (k[1])
if msg is None:
msg = "Unable to determine file type (%s)." % upload_ext
raise forms.ValidationError(msg + " " +msg_allowed[:-1] + ".")
else:
return data
def validate_filename(config_filename, filename_type, uploaded_filename):
if not config_filename:
# no filename to check, so pass.
pass
elif filename_type == 'INS':
if config_filename.lower() != uploaded_filename.lower():
raise forms.ValidationError('File name must be "%s".' %
(config_filename, ))
elif filename_type == 'MAT':
if config_filename != uploaded_filename:
raise forms.ValidationError('File name must be "%s".' %
(config_filename, ))
elif filename_type == 'EXT':
if not uploaded_filename.endswith(config_filename):
raise forms.ValidationError('File name must have extension "%s".' %
(config_filename, ))
elif filename_type == 'REX':
regex = re.compile(config_filename)
if not regex.match(uploaded_filename):
raise forms.ValidationError(
'The filename is not in the correct format. It must match the regular expression "%s".'
% (config_filename, ))
else:
raise ValueError("Unexpected filename_type for submission component.")
def clean_code(self):
data = self.cleaned_data['code']
if self.check_is_empty(data):
raise forms.ValidationError("No file submitted.")
if not self.check_size(data):
raise forms.ValidationError(
"File size exceeded max size, component can not be uploaded."
)
validate_filename(self.component.filename,
self.component.filename_type, data.name)
return data
def clean_filename_type(self):
filename_type = self.data['filename_type']
filename = self.data['filename']
if filename_type == 'REX':
try:
re.compile(filename)
except re.error as e:
msg = str(e)
raise forms.ValidationError(
'Given filename is not a valid regular expression. Error: "%s".'
% (msg))
return filename_type
def clean_code(self):
data = self.cleaned_data['code']
if self.check_is_empty(data):
raise forms.ValidationError("No file submitted.")
if not self.check_size(data):
raise forms.ValidationError(
"File size exceeded max size, component can not be uploaded."
)
if not self.component.filename:
# no filename to check, so pass.
pass
elif self.component.filename_type == 'INS':
if self.component.filename.lower() != data.name.lower():
raise forms.ValidationError('File name must be "%s".' %
(self.component.filename))
elif self.component.filename_type == 'MAT':
if self.component.filename != data.name:
raise forms.ValidationError('File name must be "%s".' %
(self.component.filename))
elif self.component.filename_type == 'EXT':
if not data.name.endswith(self.component.filename):
raise forms.ValidationError(
'File name must have extension "%s".' %
(self.component.filename))
elif self.component.filename_type == 'REX':
regex = re.compile(self.component.filename)
if not regex.match(data.name):
raise forms.ValidationError(
'The filename is not in the correct format. It must match the regular expression "%s".'
% (self.component.filename))
else:
raise ValueError(
"Unexpected filename_type for submission component.")
return data
def clean_allowed(self):
data = self.data.getlist('allowed')
if len(data)==0:
raise forms.ValidationError("No file types selected")
return ",".join(data)
