def upload(self, dir, datafile, **kwargs):
error = ''
fn = ''
if datafile:
path = Path(op.join(datapath, dir))
if not path:
path.make()
fn = path + datafile.filename
if not fn.is_legal:
error = "'%s' is not legal"
if fn and 'overwrite' not in kwargs:
error = "'%s' exists already, if you want to overwrite the old version, check allow overwrite" % fn.name
# Buffer file for first check encoding and secondly upload file
with BytesIO(datafile.file.read()) as filebuffer:
# determine file encodings
result = chardet.detect(filebuffer.read())
# Reset file buffer
filebuffer.seek(0)
# if chardet can determine file encoding, check it and warn respectively
# otherwise state not detecting
# TODO: chardet cannot determine sufficent amount of encodings, such as utf-16-le
if result['encoding']:
file_encoding = result['encoding'].lower()
# TODO: outsource valid encodings
if not (file_encoding in ['utf-8', 'ascii']
or 'utf-8' in file_encoding):
log.error("WARNING: encoding of file {} is {}".format(
datafile.filename, file_encoding))
else:
msg = "WARNING: encoding of file {} is not detectable".format(
datafile.filename)
log.error(msg)
try:
write_to_file(fn.absolute, filebuffer)
fn.setownergroup()
except:
error += '\n' + traceback()
print(error)
if "uploadimport" in kwargs and not error:
url = '/download/to_db?filename=' + escape(fn.href)
else:
url = '/download?dir=' + escape(dir)
if error:
url += '&error=' + escape(error)
raise web.HTTPRedirect(url)
def newfolder(self, dir, newfolder):
error = ''
if newfolder:
if ' ' in newfolder:
error = "The folder name may not include a space!"
else:
try:
path = Path(op.join(datapath, dir, newfolder))
if not path:
path.make()
path.setownergroup()
else:
error = "Folder %s exists already!" % newfolder
except:
error = traceback()
else:
error = 'Forgotten to give your new folder a name?'
url = '/download?dir=' + escape(dir)
if error:
url += '&error=' + escape(error)
return self.index(dir=dir, error=error)