A module is a file containing Python definitions and statements.
A module is a file containing Python definitions and statements. The file name is the module name with the suffix .py appended.
Questions tagged [python-module]
2038 questions
86
votes
5 answers
What's the difference between __builtin__ and __builtins__?
I was coding today and noticed something. If I open a new interpreter session (IDLE) and check what's defined with the dir function I get this:
$ python
>>> dir()
['__builtins__', '__doc__', '__name__', '__package__']
>>>…
santiagobasulto
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84
votes
6 answers
How do I document a module in Python?
That's it. If you want to document a function or a class, you put a string just after the definition. For instance:
def foo():
"""This function does nothing."""
pass
But what about a module? How can I document what a file.py does?
Auron
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82
votes
6 answers
How to get filename of the __main__ module in Python?
Suppose I have two modules:
a.py:
import b
print __name__, __file__
b.py:
print __name__, __file__
I run the "a.py" file. This prints:
b C:\path\to\code\b.py
__main__ C:\path\to\code\a.py
Question: how do I obtain the path to the __main__…
Roman Starkov
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82
votes
2 answers
Two Python modules require each other's contents - can that work?
I have a Bottle webserver module with the following line:
from foobar.formtools import auto_process_form_insert
And the foobar.formtools module contains this line:
from foobar.webserver import redirect, redirect_back
Of course, both result in the…
Hubro
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79
votes
4 answers
What is Python's heapq module?
I tried "heapq" and arrived at the conclusion that my expectations differ from what I see on the screen. I need somebody to explain how it works and where it can be useful.
From the book Python Module of the Week under paragraph 2.2 Sorting it is…
minerals
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77
votes
8 answers
Prevent Python from caching the imported modules
While developing a largeish project (split in several files and folders) in Python with IPython, I run into the trouble of cached imported modules.
The problem is that instructions import module only reads the module once, even if that module has…
Olivier Verdier
- 46,998
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74
votes
4 answers
How does python find a module file if the import statement only contains the filename?
Everywhere I see Python code importing modules using import sys or import mymodule
How does the interpreter find the correct file if no directory or path is provided?
Asciiom
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72
votes
10 answers
Python auto import extension for VSCode
Is there a Python auto import extension/plugin available for VSCode?
By auto import I mean, auto import of python modules. Eclipse and Intellij has this feature with Java.
Soumitri Pattnaik
- 3,246
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68
votes
5 answers
Python: 'Private' module in a package
I have a package mypack with modules mod_a and mod_b in it. I intend the package itself and mod_a to be imported freely:
import mypack
import mypack.mod_a
However, I'd like to keep mod_b for the exclusive use of mypack. That's because it exists…
G S
- 35,511
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67
votes
12 answers
How to check if a module is installed in Python and, if not, install it within the code?
I would like to install the modules 'mutagen' and 'gTTS' for my code, but I want to have it so it will install the modules on every computer that doesn't have them, but it won't try to install them if they're already installed. I currently have:
def…
Foxes
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64
votes
8 answers
How to reload python module imported using `from module import *`
I saw in this useful Q&A that one can use reload(whatever_module) or, in Python 3, imp.reload(whatever_module).
My question is, what if I had said from whatever_module import * to import? Then I have no whatever_module to refer to when I use…
murftown
- 1,287
- 1
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- 13
61
votes
3 answers
How to import a module from a different folder?
I have a project which I want to structure like this:
myproject
├── api
│ ├── __init__.py
│ └── api.py
├── backend
│ ├── __init__.py
│ └── backend.py
├── models
│ ├── __init__.py
│ └── some_model.py
└── __init__.py
Now, I want to import…
Gasp0de
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61
votes
3 answers
Error while finding spec for 'fibo.py' (: 'module' object has no attribute '__path__')
I have a module in a fibo.py file which has the following functions -
#fibonacci numbers module
def fib(n): # write Fibonacci series up to n
a, b = 0, 1
while b < n:
print(b, end=' ')
a, b = b, a+b
print()
def…
Eternal Learner
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58
votes
4 answers
Import python module NOT on path
I have a module foo, containing util.py and bar.py.
I want to import it in IDLE or python session. How do I go about this?
I could find no documentation on how to import modules not in the current directory or the default python PATH.
After trying…
Vort3x
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55
votes
5 answers
Difference between Module and Class in Python
Can I assign value to a variable in the module? If yes, what is the difference between a class and module?
PS: I'm a Java guy (in case it helps in the way of explaining). Thanks.
liwevire
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