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python Programming Glossary: barWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python the attributes of the class. So class Foo object ... bar True Can be translated to Foo type 'Foo' 'bar' True And used.. object ... bar True Can be translated to Foo type 'Foo' 'bar' True And used as a normal class print Foo class '__main__.Foo'.. as a normal class print Foo class '__main__.Foo' print Foo.bar True f Foo print f __main__.Foo object at 0x8a9b84c print f.bar..
Convert Python dict to object? http://stackoverflow.com/questions/1305532/convert-python-dict-to-object to an object. For example d 'a' 1 'b' 'c' 2 'd' hi 'foo' bar Should be accessible in this way x dict2obj d x.a 1 x.b.c 2.. in this way x dict2obj d x.a 1 x.b.c 2 x.d 1 .foo bar I think this is not possible without recursion but what would..
http://stackoverflow.com/questions/145270/calling-c-c-from-python called foo.cpp #include iostream class Foo public void bar std cout Hello std endl Since ctypes can only talk to C functions.. as extern C extern C Foo Foo_new return new Foo void Foo_bar Foo foo foo bar Next you have to compile this to a shared library.. C Foo Foo_new return new Foo void Foo_bar Foo foo foo bar Next you have to compile this to a shared library g c fPIC foo.cpp..
Best way to strip punctuation from a string in Python http://stackoverflow.com/questions/265960/best-way-to-strip-punctuation-from-a-string-in-python C with a lookup table there's not much that will beat that bar writing your own C code. If speed isn't a worry another option..
Calling a function from a string with the function's name in Python http://stackoverflow.com/questions/3061/calling-a-function-from-a-string-with-the-functions-name-in-python I have a module foo and I have a string whose contents are bar . What is the best way to go about calling foo.bar I need to.. are bar . What is the best way to go about calling foo.bar I need to get the return value of the function which is why.. improve this question Assuming module foo with method bar import foo methodToCall getattr foo 'bar' result methodToCall..
What does ** (double star) and * (star) do for python parameters? http://stackoverflow.com/questions/36901/what-does-double-star-and-star-do-for-python-parameters what does the and do for param2 def foo param1 param2 def bar param1 param2 python syntax share improve this question .. to a formal parameter as a dictionary. In 5 def bar kwargs ... for a in kwargs ... print a kwargs a ... ... In 6.. ... for a in kwargs ... print a kwargs a ... ... In 6 bar name one age 27 age 27 name one Both idioms can be mixed with..
Why are Python's 'private' methods not actually private? http://stackoverflow.com/questions/70528/why-are-pythons-private-methods-not-actually-private ... super Bar self .__init__ ... self.__baz 21 ... def bar self ... print self.__baz ... x Bar x.foo 42 x.bar 21 print.. ... def bar self ... print self.__baz ... x Bar x.foo 42 x.bar 21 print x.__dict__ '_Bar__baz' 21 '_Foo__baz' 42 Of course..
http://stackoverflow.com/questions/7933596/django-dynamic-model-fields foo models.IntegerField class BarModel models.Model bar models.CharField ... Container.objects.create stuff FooModel.. Container.objects.create stuff FooModel foo 42 BarModel bar 'spam' Django mutant Dynamic models based on syncdb and South.. blank True unique False help_text 'Test field for Foo' bar created models.DynamicModelField.objects.get_or_create name..
Adding a Method to an Existing Object http://stackoverflow.com/questions/972/adding-a-method-to-an-existing-object bound methods. def foo ... print foo ... class A ... def bar self ... print bar ... a A foo function foo at 0x00A98D70 a.bar.. foo ... print foo ... class A ... def bar self ... print bar ... a A foo function foo at 0x00A98D70 a.bar bound method A.bar.. ... print bar ... a A foo function foo at 0x00A98D70 a.bar bound method A.bar of __main__.A instance at 0x00A9BC88 Bound..
What is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python Foo # return the class not an instance ... else ... class Bar object ... pass ... return Bar ... MyClass choose_class 'foo'.. instance ... else ... class Bar object ... pass ... return Bar ... MyClass choose_class 'foo' print MyClass # the function.. 'str' def foo pass foo.__class__ type 'function' class Bar object pass b Bar b.__class__ class '__main__.Bar' Now what..
Common pitfalls in Python [duplicate] http://stackoverflow.com/questions/1011431/common-pitfalls-in-python .join l Using the last way foo will accept any object. Bar will accept strings tuples sets lists and much more. Cheap DRY..
Get fully qualified class name of an object in python http://stackoverflow.com/questions/2020014/get-fully-qualified-class-name-of-an-object-in-python o return o.__module__ . o.__class__.__name__ bar foo.Bar print fullname bar and Bar defined as class Bar object def __init__.. . o.__class__.__name__ bar foo.Bar print fullname bar and Bar defined as class Bar object def __init__ self v 42 self.val.. bar foo.Bar print fullname bar and Bar defined as class Bar object def __init__ self v 42 self.val v the output is . prog.py..
Inherit docstrings in Python class inheritance http://stackoverflow.com/questions/2025562/inherit-docstrings-in-python-class-inheritance Usage class Foo object def foo self Frobber pass class Bar Foo @doc_inherit def foo self pass Now Bar.foo.__doc__ Bar .foo.__doc__.. pass class Bar Foo @doc_inherit def foo self pass Now Bar.foo.__doc__ Bar .foo.__doc__ Foo.foo.__doc__ Frobber from functools.. Bar Foo @doc_inherit def foo self pass Now Bar.foo.__doc__ Bar .foo.__doc__ Foo.foo.__doc__ Frobber from functools import wraps..
Import a module from a relative path http://stackoverflow.com/questions/279237/import-a-module-from-a-relative-path relative path For example if dirFoo contains Foo.py and dirBar and dirBar contains Bar.py how do I import Bar.py into Foo.py.. For example if dirFoo contains Foo.py and dirBar and dirBar contains Bar.py how do I import Bar.py into Foo.py Here's a.. if dirFoo contains Foo.py and dirBar and dirBar contains Bar.py how do I import Bar.py into Foo.py Here's a visual representation..
http://stackoverflow.com/questions/3160699/python-progress-bar Progress Bar How do I use a progress bar when my script is doing some task..
Text Progress Bar in the Console http://stackoverflow.com/questions/3173320/text-progress-bar-in-the-console Progress Bar in the Console Is there a good way to do the following I wrote..
How can I find all subclasses of a given class in Python? http://stackoverflow.com/questions/3862310/how-can-i-find-all-subclasses-of-a-given-class-in-python which returns the subclasses class Foo object pass class Bar Foo pass class Baz Foo pass class Bing Bar pass Here are the.. pass class Bar Foo pass class Baz Foo pass class Bing Bar pass Here are the names of the subclasses print cls.__name__.. cls.__name__ for cls in vars 'Foo' .__subclasses__ # 'Bar' 'Baz' Here are the subclasses themselves print cls for cls..
Why are Python's 'private' methods not actually private? http://stackoverflow.com/questions/70528/why-are-pythons-private-methods-not-actually-private 42 ... def foo self ... print self.__baz ... class Bar Foo ... def __init__ self ... super Bar self .__init__ ... self.__baz.. ... class Bar Foo ... def __init__ self ... super Bar self .__init__ ... self.__baz 21 ... def bar self ... print.. self.__baz 21 ... def bar self ... print self.__baz ... x Bar x.foo 42 x.bar 21 print x.__dict__ '_Bar__baz' 21 '_Foo__baz'..
Call a parent class's method from child class in Python? http://stackoverflow.com/questions/805066/call-a-parent-classs-method-from-child-class-in-python I might do this package Foo sub frotz return Bamf package Bar @ISA qw Foo sub frotz my str SUPER frotz return uc str In python.. with new style classes . Use the super function class Foo Bar def baz self arg return super Foo self .baz arg share improve..
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