import issue with python/django

Question

I'm trying to use the calendar module in my Django views.py file. If I make the import at the top of the file, with the rest of my package imports, and call the monthrange function on the module, I get the following:

'function' has no attribute 'monthrange'

If however I import the module in my function, where I make use of monthrange it works fine.

This has left me scratching my head. Any ideas?

Are you running the code in the same manner in both scenarios? First thing I usually check is your PYTHONPATH environment variable. — dicato
– dicato, Commented Jun 17, 2011 at 4:10

Paulo Scardine · Accepted Answer · 2011-06-17 04:15:13Z

2

Seems like namespace clash - maybe 'calendar' got redefined some place as a variable or function name.

Try to import monthrange from calendar at the top of the module, 'monthrange' is much less likely to clash with a variable or function elsewhere the code.

from calendar import monthrange

answered Jun 17, 2011 at 4:15

Paulo Scardine

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6 Comments

Abid A Over a year ago

As far as namespace clashing goes, I'm importing calendar in another file which is being imported in views.py - could that be causing the issue?

Paulo Scardine Over a year ago

from somemodule import * is evil.

Daniel Roseman Over a year ago

@Michael: yes, this is a circular dependency issue rather than a namespace clash.

Abid A Over a year ago

@Daniel: If that's the case, shouldn't I be able to just use calendar in my views.py without explicitly importing it?

Daniel Roseman Over a year ago

@Michael what? you still need to import a function before you can use it in a particular file.

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