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@@ -29,6 +29,8 @@ from ..utils import parse_anything |
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__all__ = ["Template"] |
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FLAGS = re.DOTALL | re.UNICODE |
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# Used to allow None as a valid fallback value |
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_UNSET = object() |
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class Template(Node): |
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"""Represents a template in wikicode, like ``{{foo}}``.""" |
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@@ -212,19 +214,23 @@ class Template(Node): |
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self.has(name, ignore_empty) |
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has_param.__doc__ = "Alias for :meth:`has`." |
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def get(self, name): |
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def get(self, name, default=_UNSET): |
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"""Get the parameter whose name is *name*. |
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The returned object is a :class:`.Parameter` instance. Raises |
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:exc:`ValueError` if no parameter has this name. Since multiple |
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parameters can have the same name, we'll return the last match, since |
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the last parameter is the only one read by the MediaWiki parser. |
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:exc:`ValueError` if no parameter has this name. If *default* is set, |
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returns that instead. Since multiple parameters can have the same name, |
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we'll return the last match, since the last parameter is the only one |
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read by the MediaWiki parser. |
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""" |
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name = str(name).strip() |
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for param in reversed(self.params): |
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if param.name.strip() == name: |
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return param |
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raise ValueError(name) |
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if default is _UNSET: |
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raise ValueError(name) |
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else: |
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return default |
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def add(self, name, value, showkey=None, before=None, |
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preserve_spacing=True): |
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