| import os | |
| import string | |
| def element_ref_name(element_name): | |
| # Replace path separator and chop off the .bst suffix | |
| element_name = os.path.splitext(element_name.replace(os.sep, '-'))[0] | |
| # replace other sybols with '_' | |
| valid_chars = string.digits + string.ascii_letters + '-._' | |
| return ''.join([ | |
| x if x in valid_chars else '_' | |
| for x in element_name | |
| ]) |