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Import error: No module name urllib2
...mentation:
The urllib2 module has been split across several modules in Python 3 named urllib.request and urllib.error. The 2to3 tool will automatically adapt imports when converting your sources to Python 3.
So you should instead be saying
from urllib.request import urlopen
html = urlopen("ht...
Simpler way to put PDB breakpoints in Python code?
...
You can run your program into pdb from the command line by running
python -m pdb your_script.py
It will break on the 1st line, then you'll be able to add a breakpoint wherever you want in your code using the break command, its syntax is:
b(reak) [[filename:]lineno | function[, conditio...
How to avoid reinstalling packages when building Docker image for Python projects?
...t /srv/requirements.txt
RUN pip install -r requirements.txt
ADD . /srv
RUN python setup.py install
ENTRYPOINT ["run_server"]
Docker will use cache during pip install as long as you do not make any changes to the requirements.txt, irrespective of the fact whether other code files at . were changed ...
Chain-calling parent initialisers in python [duplicate]
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The way you are doing it is indeed the recommended one (for Python 2.x).
The issue of whether the class is passed explicitly to super is a matter of style rather than functionality. Passing the class to super fits in with Python's philosophy of "explicit is better than implicit".
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What is the recommended way to use Vim folding for Python code
I am interested in enabling code folding in Vim for Python code. I have noticed multiple ways to do so.
11 Answers
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How can I create a simple message box in Python?
...and single line code like this:
import ctypes # An included library with Python install.
ctypes.windll.user32.MessageBoxW(0, "Your text", "Your title", 1)
Or define a function (Mbox) like so:
import ctypes # An included library with Python install.
def Mbox(title, text, style):
return c...
Converting datetime.date to UTC timestamp in Python
I am dealing with dates in Python and I need to convert them to UTC timestamps to be used
inside Javascript. The following code does not work:
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How do you calculate program run time in python? [duplicate]
How do you calculate program run time in python?
5 Answers
5
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【生成Python】AppInventor2中文网已支持代码块转换Python源码！ - App Inv...
--------------开发Python代码转换功能的缘由--------------------
某电教馆“古老的”（至少10年之前）的招标需求，部分节选如下：
Python代码转换功能就属于其中一个，可不止这一个需求引人注意，还有好几个细节就算放在2025年的...
How can I use a DLL file from Python?
What is the easiest way to use a DLL file from within Python ?
7 Answers
7
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