long ::= '--' chars [ ( ' ' | '=' ) chars ] ;
(tokens, options)
| 299 | |
| 300 | |
| 301 | def parse_long(tokens, options): |
| 302 | """long ::= '--' chars [ ( ' ' | '=' ) chars ] ;""" |
| 303 | long, eq, value = tokens.move().partition('=') |
| 304 | assert long.startswith('--') |
| 305 | value = None if eq == value == '' else value |
| 306 | similar = [o for o in options if o.long == long] |
| 307 | if tokens.error is DocoptExit and similar == []: # if no exact match |
| 308 | similar = [o for o in options if o.long and o.long.startswith(long)] |
| 309 | if len(similar) > 1: # might be simply specified ambiguously 2+ times? |
| 310 | raise tokens.error('%s is not a unique prefix: %s?' % |
| 311 | (long, ', '.join(o.long for o in similar))) |
| 312 | elif len(similar) < 1: |
| 313 | argcount = 1 if eq == '=' else 0 |
| 314 | o = Option(None, long, argcount) |
| 315 | options.append(o) |
| 316 | if tokens.error is DocoptExit: |
| 317 | o = Option(None, long, argcount, value if argcount else True) |
| 318 | else: |
| 319 | o = Option(similar[0].short, similar[0].long, |
| 320 | similar[0].argcount, similar[0].value) |
| 321 | if o.argcount == 0: |
| 322 | if value is not None: |
| 323 | raise tokens.error('%s must not have an argument' % o.long) |
| 324 | else: |
| 325 | if value is None: |
| 326 | if tokens.current() in [None, '--']: |
| 327 | raise tokens.error('%s requires argument' % o.long) |
| 328 | value = tokens.move() |
| 329 | if tokens.error is DocoptExit: |
| 330 | o.value = value if value is not None else True |
| 331 | return [o] |
| 332 | |
| 333 | |
| 334 | def parse_shorts(tokens, options): |
no test coverage detected