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Tag: python

Python ibm_db equivalent of db2look

SO I am using ibm_db library for fetch necessary information. Now I want to get the full table creation script along with index and all. I can see there is one db2look command to generate the same Is there an equivalent thing in ibm_db? Answer No, there is not an exact equivalent in the python ibm_db for the db2look tool.

Get all permutations of bool array

I need all permutations of a bool array, the following code is inefficient, but does what I want: However it is inefficient and fails for long arrays. Is there a more efficent implementation? Answer What about sampling the combinations of indices of the True values: Output:

os.getcwd() raise Exception with django dev server

I have a django project running inside docker, and the service is up with the command of python manage.py runserver, with file autoreload open, and using threadings. My code invokes shutil.make_archive() which will then invoke os.getcwd(), and from time to time, os.getcwd() will raise FileNotFoundError, by searching more information, now I realized that the error might be caused by the

move files to subdirectories that are named on part of the filenames

I have a few data files in a directory, and I want to move them to the subdirectories based on their filenames. Let’s say we created the first directory named “20220322_170444,” and it should contain the first four files only because in the next file the “el” is less than the previous one, so the second folder, let’s say is

Extract all matches unless string contains

I am using the re package’s re.findall to extract terms from strings. How can I make a regex to say capture these matches unless you see this substring (in this case the substring “fake”). I attempted this via a anchored look-ahead solution. Current Output: Desired Output I could accomplish this with an if/else but was wondering how to use a

module ‘pandas._typing’ has no attribute ‘FilePathOrBuffer’

When trying to import a darts atribute using the line i get the error message Is there a fix for this? Versions of what I’m using: pandas 1.5.2 Windows 10 64-bit, ver 21H2 Python 3.9.13 darts ver 0.16.0 Answer Like yourself, running Windows 10 64-bit, using a sufficiently up to date copy of Python 3.9 (I’m using 3.9.13), if I

How to do with Pydantic regex validation?

I’m trying to write a validator with usage of Pydantic for following strings (examples): 1.1.0, 3.5.6, 1.1.2, etc.. I’m failing with following syntax: Can anyone help me out what regex syntax should look like? Answer The error you are facing is due to type annotation. As per https://github.com/pydantic/pydantic/issues/156 this is not yet fixed, you can try using pydantic.Field and then

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