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How to move a model between two Django apps (Django 1.7)
... refer to my old answer.
First migration to remove model from 1st app.
$ python manage.py makemigrations old_app --empty
Edit migration file to include these operations.
class Migration(migrations.Migration):
database_operations = [migrations.AlterModelTable('TheModel', 'newapp_themodel')]...
Get class that defined method
How can I get the class that defined a method in Python?
6 Answers
6
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Python hashable dicts
... an unneeded itermediate list -- fixable by s/items/iteritems/ -- assuming Python 2.* as you don't say;-).
– Alex Martelli
Jul 20 '09 at 4:48
5
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Plot a bar using matplotlib using a dictionary
...lues()), align='center')
plt.xticks(range(len(D)), list(D.keys()))
# # for python 2.x:
# plt.bar(range(len(D)), D.values(), align='center') # python 2.x
# plt.xticks(range(len(D)), D.keys()) # in python 2.x
plt.show()
Note that the penultimate line should read plt.xticks(range(len(D)), list(D.k...
what does the __file__ variable mean/do?
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When a module is loaded from a file in Python, __file__ is set to its path. You can then use that with other functions to find the directory that the file is located in.
Taking your examples one at a time:
A = os.path.join(os.path.dirname(__file__), '..')
# A is...
Adding information to an exception?
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raise IOError('Stuff')
IOError: Stuff happens at arg1
Update 2
For Python 3.x, the code in my first update is syntactically incorrect plus the idea of having a message attribute on BaseException was retracted in a change to PEP 352 on 2012-05-16 (my first update was posted on 2012-03-12). So...
Python: split a list based on a condition?
...ramming (Haskell), or functional style (LINQ) is raised, we start to smell Python for its age - [x for x in blah if ...] - verbose, lambda is clumsy and limited... It feels like driving the coolest car from 1995 today. Not the same as back then.
– Tomasz Gandor
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How do I run a Python program?
So I'm starting like Python a bit, but I'm having trouble erm...running it. Lol
10 Answers
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How to document a method with parameter(s)?
How to document methods with parameters using Python's documentation strings?
8 Answers
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How to implement __iter__(self) for a container object (Python)
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StopIteration is automatically raised by Python when the generator function returns, either by you explicitly calling return or by reaching the end of the function (which like all functions has an implicit return None at the end). Explicitly raising StopIteration is...