Mercurial > genshi > mirror
comparison genshi/core.py @ 279:a99666402b12 trunk
Some adjustments to make core data structures picklable (requires protocol 2).
| author | cmlenz |
|---|---|
| date | Mon, 02 Oct 2006 19:08:36 +0000 |
| parents | d6c58473a9d0 |
| children | f999da894391 |
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| 278:d6c58473a9d0 | 279:a99666402b12 |
|---|---|
| 20 __all__ = ['Stream', 'Markup', 'escape', 'unescape', 'Namespace', 'QName'] | 20 __all__ = ['Stream', 'Markup', 'escape', 'unescape', 'Namespace', 'QName'] |
| 21 | 21 |
| 22 | 22 |
| 23 class StreamEventKind(str): | 23 class StreamEventKind(str): |
| 24 """A kind of event on an XML stream.""" | 24 """A kind of event on an XML stream.""" |
| 25 __slots__ = [] | |
| 26 _instances = {} | |
| 27 | |
| 28 def __new__(cls, val): | |
| 29 return cls._instances.setdefault(val, str.__new__(cls, val)) | |
| 25 | 30 |
| 26 | 31 |
| 27 class Stream(object): | 32 class Stream(object): |
| 28 """Represents a stream of markup events. | 33 """Represents a stream of markup events. |
| 29 | 34 |
| 501 def __new__(cls, uri): | 506 def __new__(cls, uri): |
| 502 if type(uri) is cls: | 507 if type(uri) is cls: |
| 503 return uri | 508 return uri |
| 504 return object.__new__(cls, uri) | 509 return object.__new__(cls, uri) |
| 505 | 510 |
| 511 def __getnewargs__(self): | |
| 512 return (self.uri,) | |
| 513 | |
| 514 def __getstate__(self): | |
| 515 return self.uri | |
| 516 | |
| 517 def __setstate__(self, uri): | |
| 518 self.uri = uri | |
| 519 | |
| 506 def __init__(self, uri): | 520 def __init__(self, uri): |
| 507 self.uri = unicode(uri) | 521 self.uri = unicode(uri) |
| 508 | 522 |
| 509 def __contains__(self, qname): | 523 def __contains__(self, qname): |
| 510 return qname.namespace == self.uri | 524 return qname.namespace == self.uri |
| 570 self.namespace, self.localname = map(unicode, parts) | 584 self.namespace, self.localname = map(unicode, parts) |
| 571 else: | 585 else: |
| 572 self = unicode.__new__(cls, qname) | 586 self = unicode.__new__(cls, qname) |
| 573 self.namespace, self.localname = None, unicode(qname) | 587 self.namespace, self.localname = None, unicode(qname) |
| 574 return self | 588 return self |
| 589 | |
| 590 def __getnewargs__(self): | |
| 591 return (self.lstrip('{'),) |