Hello!
> Note that we don't need eval anywhere.
Uuups, that looks realy cool! Thanks for that!
Im fooling around with generating html-tags. As there are only two kind
of html tags, one who can nest chields, and one who cant, i wantet to
play arround with something like:
I've got two base classes, _Tag and _ContainerTag (for tags which can
nest tags). Instead of getting an htmltag with _Tag(name='html'), I
want to have a class for each html-tag. So, I thought of creating that
classes dynamicly.
my now (nearly) working code is:
class _Tag(object):
def __init__(self, name, flags=None, **props):
[...]
class _ContainerTag(_Tag):
def __init__(self, name, contents=None, flags=None, **props):
super(_ContainerTag, self).__init__(name=name, flags=flags,
**props)
self._contents = coalesce(contents, [])
_module_name = sys.modules[__name__]
class_dic = {}
class_dic['Br'] = _Tag
class_dic['Hr'] = _Tag
class_dic['Html'] = _ContainerTag
class_dic['Table'] = _ContainerTag
for class_name, class_base in class_dic.items():
class TmpClass(class_base):
def __init__(self, **props):
name = class_name.lower()
#super(TmpClass, self).__init__(name=name, **props)
class_base.__init__(self, name=name, **props)
setattr(_module_name, class_name, TmpClass)
br = Br()
print br
table = Table()
print table
br is printed OK, but for table, I get:
AttributeError: 'TmpClass' object has no attribute '_contents'
so, it seems that __init__ of _Tag is not called.
If I try to do the commented line
super(TmpClass, self).__init__(name=name, **props)
instead of
class_base.__init__(self, name=name, **props)
I get:
TypeError: super(type, obj): obj must be an instance or subtype of
type
for print table, print br ist processed OK.
Thanks for help and your perfekt examples,
AXEL.
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