I guys, I developing a utility in python and i have 2 object the main class and an database helper for get sqlserver data. database.py gaemodel.py My problem is when i try run code return me this error What is wrong ?? Answer First of all: The __new__ method should be named __init__. Remove the global _host etc. line Then
I currently have a few unit tests which share a common set of tests. Here’s an example: The output of the above is: Is there a way to rewrite the above so that the very first testCommon is not called? EDIT: Instead of running 5 tests above, I want it to run only 4 tests, 2 from the SubTest1 and
Given: Which of the following is the best way to check if ‘a’ is in d? Answer in is definitely more pythonic. In fact has_key() was removed in Python 3.x.
I need to determine if a given Python variable is an instance of native type: str, int, float, bool, list, dict and so on. Is there elegant way to doing it? Or is this the only way: if myvar in (…
I want to do something like this: f = Foo(bar=’x’) session.add(f) session.flush() # do additional queries using f.id before commit() print f.id # should be not None session.commit() But f.id is …
Is there any efficient mass string concatenation method in Python (like StringBuilder in C# or StringBuffer in Java)? I found following methods here: Simple concatenation using + Using string list …
Is there any way to tell whether a string represents an integer (e.g., ‘3’, ‘-17’ but not ‘3.14’ or ‘asfasfas’) Without using a try/except mechanism? is_int(‘3.14’) == False is_int(‘-7’) == True
I would like to replace an object instance by another instance inside a method like this: class A: def method1(self): self = func(self) The object is retrieved from a database.
I’m trying to provide integration to my django application from subversion through the post commit hook. I have a django test case (a subclass of unittest.TestCase) that (a) inserts a couple of records into a table, (b) spawns an svn commit, (c) svn commit runs a hook that uses my django model to look up info. I’m using an sqlite3