def _get_preview(ufile):
# deal with the preview
if ufile.mimetype in ['image/jpeg', 'image/png', 'image/bmp', 'image/gif']:
preview = 'image'
elif ufile.mimetype in ['text/plain']:
preview = 'text'
enc_detector = UniversalDetector()
file_lines = []
try:
with open(funcs.fullname(ufile.filename), 'r') as f:
for line in f:
file_lines.append(line)
if not enc_detector.done:
enc_detector.feed(line)
enc_detector.close()
def unicodefy(s):
return unicode(s, enc_detector.result.get('encoding'), errors='ignore')
file_lines = map(unicodefy, file_lines)
ufile.file_content = '<p>%s</p>' % '</p><p>'.join(file_lines)
except:
ufile.file_content = 'failed to open file'
else:
preview = 'icon'
return preview
def delete_file(file_indicator=None):
if not funcs.is_admin_login(): abort(403)
ufile = UFile.query.filter(UFile.url == file_indicator).first()
if not ufile: abort(404)
fn = funcs.fullname(ufile.filename)
db_session.delete(ufile)
db_session.commit()
try:
os.remove(fn)
except:
pass
return redirect(url_for('file_serve',file_indicator=file_indicator))