python-2.7 – Page 3 – Tarik Billa

How to Change the time zone in Python logging?

September 15, 2023 by Tarik

How to log the timezone %Z from strftime format Windows >>> import logging >>> logging.basicConfig(format=”%(asctime)s %(message)s”, datefmt=”%m/%d/%Y %I:%M:%S %p %Z”) >>> logging.error(‘test’) 11/03/2017 02:29:54 PM Mountain Daylight Time test Linux >>> import logging >>> logging.basicConfig(format=”%(asctime)s %(message)s”, datefmt=”%m/%d/%Y %I:%M:%S %p %Z”) >>> logging.error(‘test’) 11/03/2017 02:30:50 PM MDT test If the question is How do I log … Read more

Format a number with comma separators and round to 2 decimal places in Python 2?

September 9, 2023 by Tarik

Add a decimal point with number of digits .2f see the docs: https://docs.python.org/2/library/string.html#format-specification-mini-language : In [212]: “{0:,.2f}”.format(2083525.34561) Out[212]: ‘2,083,525.35’ For python 3 you can use f-strings (thanks to @Alex F): In [2]: value = 2083525.34561 f”{value:,.2f}” Out[2]: ‘2,083,525.35’

how to check if a variable is of type enum in python

September 9, 2023 by Tarik

Now i am assigning a variable with this enum like this a = TransactionTypes I hope you aren’t, because what you just assigned to a is the entire enumeration, not one of its members (such as TransactionTypes.chargeback) If that is really what you wanted to do, then the correct test would be: if issubclass(a, enum.Enum) … Read more

uploading file to specific folder in S3 using boto3

August 28, 2023 by Tarik

Solve an equation using a python numerical solver in numpy

August 8, 2023 by Tarik

In conventional mathematical notation, your equation is The SciPy fsolve function searches for a point at which a given expression equals zero (a “zero” or “root” of the expression). You’ll need to provide fsolve with an initial guess that’s “near” your desired solution. A good way to find such an initial guess is to just … Read more

Removing path from Python search module path

August 1, 2023 by Tarik

Everything works as intended on my machine 🙂 Python 2.7.3 (default, Sep 26 2012, 21:51:14) [GCC 4.7.2] on linux2 Type “help”, “copyright”, “credits” or “license” for more information. >>> import sys >>> sys.path.append(‘/home/sergey’) >>> sys.path [”, …, ‘/home/sergey’] >>> sys.path.remove(‘/home/sergey’) >>> sys.path [”, …] >>> What exactly have you tried? Regarding your understanding of things … Read more

CMake on Linux CentOS 7, how to force the system to use cmake3?

July 30, 2023 by Tarik

Once you have both the cmake and the cmake3 package installed on your machine, you can use update-alternatives to switch between both packages. Use the alternatives command to register both installations: $ sudo alternatives –install /usr/local/bin/cmake cmake /usr/bin/cmake 10 \ –slave /usr/local/bin/ctest ctest /usr/bin/ctest \ –slave /usr/local/bin/cpack cpack /usr/bin/cpack \ –slave /usr/local/bin/ccmake ccmake /usr/bin/ccmake \ … Read more

how to make py.test –cov skip virtualenv directory

July 28, 2023 by Tarik

In the root of your project, create file .coveragerc containing: [run] omit = path_to_libs_to_omit/* Depending on your setup, you might need to add –cov-config=path/to/.coveragerc as option to the py.test command. There are more options you can use to configure coverage.

How do I clear a flask session?

July 18, 2023 by Tarik

from flask import session session.clear() I use session like this with flask, it does work. I don’t use SecureCookieSession though, but maybe it can help.

iPython installed but not found

July 13, 2023 by Tarik

Searching the web for “bash: ipython: command not found” turns up several hits (including this SO question), but they’re not particularly helpful. From the sound of it, you have IPython, the Python package installed, but ipython—the entry point (i.e., wrapper/launcher script) for it—is missing for whatever reason. To check whether this is the case, try … Read more