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77,828,089
812,102
Setting DynamicMap as stream source
<p>In the following MWE, clicking on a point of the scatter plot should show its index in the &quot;debug&quot; textbox. It does when the layout is <code>scatter * dmap</code>, it doesn’t when the layout is simply <code>dmap</code>. Indeed, <code>scatter</code> being the source of the <code>Selection1D</code> stream,...
<python><panel><holoviews><holoviz-panel>
2024-01-16 18:49:13
1
7,852
Skippy le Grand Gourou
77,827,982
11,357,623
Python generate documentation using pydoc
<p>I have nested folder structure library and the question is about generating documentation from the source-code files.</p> <h1>Folder Structure</h1> <pre><code> mylib ├── foo ├── __init__.py │ ├── Foo.py ├── bar │ ├── __init__py │ ├── Bar.py ├── baz │ ├── qux ...
<python><pydoc>
2024-01-16 18:31:28
0
2,180
AppDeveloper
77,827,945
13,930,389
Get maximum and minimum theoretical output from xgboost classifier
<p>Assume I have a trained XGBClassifier object (the sklearn interface). How could I determine what is the highest possible output the model could provide, in terms of the output from model.predict_proba(input)[:,1]? That is, the probability of the class 1 in a binary classification problem.</p> <p>Of course, I know th...
<python><xgboost>
2024-01-16 18:23:58
1
1,781
eduardokapp
77,827,800
14,566,295
Failing to apply negative lookahead to select column using regex
<p>I have the below Pandas dataframe:</p> <pre><code>import pandas as pd dat1 = pd.DataFrame({'col1' : ['A', 'B', 'A', 'C'], 'col2_y' : ['Z', 'Z', 'X', 'Y']}) dat1.filter(regex = &quot;(?!_y)&quot;) </code></pre> <p>I want to select the columns which do NOT contain <code>&quot;_y&quot;</code>. However the above code is...
<python><python-3.x><pandas><regex><python-re>
2024-01-16 17:58:59
1
1,679
Brian Smith
77,827,769
991,077
Applying conditional rate limiting decorator for async class method
<p>I am using <code>ccxt</code> library for downloading OHLC data from various crypto exchanges. This is done internally using REST requests. These exchanges have different request rate limits, so I have to apply rate limiting to my methods. For rate limiting I use the library <code>limiter</code>. Here is what I have ...
<python><python-asyncio><python-decorators><rate-limiting><ccxt>
2024-01-16 17:53:44
1
734
shda
77,827,719
8,231,100
Python Memory Leak - Scikit-learn + Numpy
<p>Can't seem to fix my memory leak, I managed to replicate it easily. I seems to happen when i use sklearn GaussianMixture multiple times, while varying the the number of training pixels I give it.</p> <p>This code <strong>does not</strong> leak:</p> <pre><code>import os, psutil from sklearn import mixture import nump...
<python><numpy><scikit-learn><memory-management><memory-leaks>
2024-01-16 17:44:53
0
365
Adrien Nivaggioli
77,827,689
1,911,036
OpenCV python slow performance in Win10
<p>I have a simple code that works much slower in Win10, and fast as hell in Linux. The code returns the sum of all pixel intensity for all frames in video file. Unfortunately, I must run it in Win10, so I'd like to know the reason for such a slowdown. I have tried different CPUs, but that's not the case.</p> <p>In Win...
<python><linux><opencv><user-interface>
2024-01-16 17:39:35
0
333
Viktor
77,827,677
12,603,110
Sympy how to symbolically change of variables for derivatives?
<p>Given</p> <pre><code>x = x_c * chi t = t_c * tau </code></pre> <p>expressing dx/dt in chi, tau is: x_c/t_c * dchi / dtau<br /> <a href="https://www.wikiwand.com/en/Nondimensionalization#Conventions" rel="nofollow noreferrer">https://www.wikiwand.com/en/Nondimensionalization#Conventions</a></p> <p>How to evaluate the...
<python><sympy><derivative>
2024-01-16 17:38:08
0
812
Yorai Levi
77,827,499
5,506,167
Why python uses predictable hashes for numbers?
<p>The <a href="https://docs.python.org/3/reference/datamodel.html#object.__hash__" rel="nofollow noreferrer">Python doc</a> says:</p> <blockquote> <p>By default, the <code>__hash__()</code> values of <strong>str and bytes</strong> objects are “salted” with an unpredictable random value. Although they remain constant w...
<python><security><hash>
2024-01-16 17:04:35
1
1,962
Saleh
77,827,315
4,340,985
How to use seaborn.clustermap with large (20 000 entries) data sets?
<p>I'm working a lot with <a href="https://seaborn.pydata.org/generated/seaborn.clustermap.html#seaborn-clustermap" rel="nofollow noreferrer"><code>sns.clustermap</code></a> and I'm quite enjoying it as an easy tool to get an overview over a large amount of data (time series data in my case, a few hundred entries mostl...
<python><seaborn><cluster-analysis>
2024-01-16 16:31:40
2
2,668
JC_CL
77,827,305
2,289,030
How to prevent attribute re-access until all attributes have been accessed once (Python metaclass)?
<p>I have a list of attributes, say <code>[&quot;foo&quot;, &quot;bar&quot;, &quot;baz&quot;]</code>, and I want to write a metaclass which ensures the following properties:</p> <ul> <li>They can all be accessed once, in any order</li> <li>They cannot be accessed again until all have been accessed once</li> </ul> <p>Fo...
<python><metaclass>
2024-01-16 16:30:22
2
968
ijustlovemath
77,827,172
1,980,630
Setup a conversion rate in pint in python
<p>I have this problem I'd like to solve with python pint.</p> <ul> <li>0.29 points / minutes</li> <li>118 points / (17.35 usd)</li> <li>How much is 5 minutes in usd ?</li> </ul> <p>I have then 2 new abstract units &quot;points&quot; and &quot;usd&quot; and reuse the &quot;time&quot; unit &quot;minute&quot;.</p> <p>I ...
<python><pint>
2024-01-16 16:09:29
1
768
Robert Vanden Eynde
77,827,144
7,051,394
Use a custom font with pycairo
<p>I'm using Pycairo to draw images with text on it, with a custom font. This works well as long as that font is installed on the system.</p> <p>However, I would like to distribute my package with my custom font attached as a data file (ttf or any other type), and to have my code refer to that file rather than assume t...
<python><fonts><cairo><pycairo>
2024-01-16 16:04:34
1
16,957
Right leg
77,827,003
21,440,451
Is it possible to specify route as an empty string in Azure function for Python?
<p>I try to have a &quot;vanilla path&quot; in my API. I've tried to decorate my function by each of the following.</p> <pre><code>@app.route(route=&quot;&quot;) @app.route(route=None) @app.route() @app.route(route=&quot;/&quot;) </code></pre> <p>It's not of interest to modify the route using <code>function.json</co...
<python><azure><azure-functions>
2024-01-16 15:44:02
1
492
danilo
77,826,967
22,466,650
How to reorganize two pairs of columns and choose the order as well?
<p>My input is a dataframe :</p> <pre><code>import pandas as pd import numpy as np df = pd.DataFrame({'node1': ['_abc-1', 'xyz-1', 'abc-1', '-xyz-2', 'xyz-2', 'abc-2'], 'p1': [1, 10, 3, 1, 2, 6], 'p2': [9, 2, 11, 4, 5, 3], 'node2': ['xyz-1', 'abc-1', '-xyz-1', 'def-2', 'def-2', '-xyz-1']}) # print(df) # node1...
<python><pandas>
2024-01-16 15:38:24
1
1,085
VERBOSE
77,826,914
385,390
Register image onto a smaller, partial, image but with some common features
<p>I want to transform images of written text (taken by a mobile phone camera with different 3D rotation, scale etc.) so that they look &quot;orthogonal&quot; (by this I mean as if you read them from a ebook reader). My next step will be to OCR these images and I want them not to be affected by camera rotation.</p> <p>...
<python><opencv><image-processing><computer-vision><affinetransform>
2024-01-16 15:29:58
1
1,181
bliako
77,826,628
2,891,152
Compute maximum number of consecutive identical integers in array column
<p>Consider the following:</p> <pre><code>df = spark.createDataFrame([ [0, [1, 1, 4, 4, 4]], [1, [3, 2, 2, -4]], [2, [1, 1, 5, 5]], [3, [-1, -9, -9, -9, -9]]] , ['id', 'array_col'] ) df.show() ''' +---+--------------------+ | id| array_col| +---+--------------------+ | 0| [1, 1, ...
<python><sql><pyspark>
2024-01-16 14:51:26
2
456
L.B.
77,826,532
7,626,061
Fastest method to read from stdin in python, for competitive programming?
<p>A few days ago I stumbled with a problem in competitive programming which has never been solved in Python. It's because that problem has a too big input and Python seems to be very slow in reading from stdin (standard input). The input consists of a sequence of integers separated by just one character, which will be...
<python>
2024-01-16 14:37:03
1
530
Murilo Perrone
77,826,406
9,779,999
want to install peft and accelerate compatible with torch 1.9.0+cu111
<p>i want to install peft and accelerate: !pip install -q git+https://github.com/huggingface/peft.git !pip install -q git+https://github.com/huggingface/accelerate.git</p> <p>But as my torch version is 1.9.0+cu111, the latest accelerate doesn't support my torch version.</p> <ul> <li>The latest accelerate 0.27.0.dev0 re...
<python><pytorch><gpu><large-language-model>
2024-01-16 14:18:24
1
1,669
yts61
77,826,404
707,519
else block not invoked when there is no exception in wrapped function
<p>In below code, when there is no exception raised from <code>bar</code>, I am expecting the <code>else</code> block of decorator to be called, but this is not happening.</p> <pre><code>#!/usr/bin/python from functools import wraps def handle_exceptions(func): @wraps(func) def wrapper(*arg, **kwargs): ...
<python><python-decorators><try-except>
2024-01-16 14:18:17
1
2,348
m.divya.mohan
77,826,204
12,518,487
Error when trying to remove Lease from file using Azure Python SDK
<p>I'm facing some issues when trying to break a lease on file in Azure Storage Account using the code below.</p> <pre><code>from azure.identity import DefaultAzureCredential, AzureCliCredential, ChainedTokenCredential, ClientSecretCredential from azure.storage.blob import BlobServiceClient, BlobClient, BlobLeaseClient...
<python><azure><databricks><azure-storage-account>
2024-01-16 13:49:14
1
4,125
rmesteves
77,826,191
21,185,825
pyautogui - pass parameters to hotkey?
<p>The keys I want <strong>pyautogui</strong> to press <strong>come from a string</strong>, that is parsed to an array</p> <p>so instead of doing this:</p> <pre><code>pyautogui.hotkey('alt','f') </code></pre> <p>I tried this:</p> <pre><code>keys = &quot;alt+f&quot; # comes from config file sub_keys = keys.split(&quot;+...
<python><pyautogui>
2024-01-16 13:46:41
1
511
pf12345678910
77,826,156
1,815,577
PyInstaller with Playwright and Firefox
<p>I'm having trouble using PyInstaller to package a script that uses Playwright with the Firefox driver.</p> <p>This is what the Python looks like (bare minimum):</p> <pre class="lang-py prettyprint-override"><code>import time from playwright.sync_api import sync_playwright, TimeoutError with sync_playwright() as p: ...
<python><firefox><playwright>
2024-01-16 13:39:45
1
6,802
datawookie
77,826,141
22,054,564
Status is 200 OK but the response is empty in Azure Functions (.NET 6) with Python Executable Application
<p>Python File:</p> <pre class="lang-py prettyprint-override"><code>num1 = 1.5 num2 = 6.3 sum = num1 + num2 print('The sum of {0} and {1} is {2}'.format(num1, num2, sum)) </code></pre> <p>Azure Functions - .NET 6:</p> <pre><code>using System; using System.IO; using System.Threading.Tasks; using Microsoft.AspNetCore.Mvc...
<python><c#><azure><azure-functions><.net-6.0>
2024-01-16 13:36:56
0
837
VivekAnandChakravarthy
77,826,003
6,402,099
Custom class that inherits LGBMClassifier doesn't work: KeyError: 'random_state'
<p>I create a random dataset to train a <code>LGBM</code> model:</p> <pre class="lang-py prettyprint-override"><code>from sklearn.datasets import make_classification X, y = make_classification() </code></pre> <p>Then I train and predict the original LGBM model with no issues:</p> <pre class="lang-py prettyprint-overri...
<python><scikit-learn><lightgbm>
2024-01-16 13:16:32
2
1,775
emremrah
77,825,815
1,738,879
`ModuleNotFoundError` with custom Python project layout
<p>I'm trying to setup a python project following a structure that is shown <a href="https://realpython.com/python-application-layouts/#application-with-internal-packages" rel="nofollow noreferrer">here</a>. In my case, I have:</p> <pre><code>. └── helloworld/ ├── hello/ │   ├── hello.py │   └── __init__.py...
<python><python-3.x><project-layout>
2024-01-16 12:41:51
2
1,925
PedroA
77,825,701
7,298,014
Python Efficient conversion of time strings in multiple dimensions to datetime objects
<p>I want to convert the string date values inside a xarray DataArray to datetime index or python datetime object. For example, lets take the DataArray</p> <pre><code>import xarray as xr import pandas as pd b = np.asarray(['2020-01-01T09:41:54.647000Z', '2020-01-01T09:41:55.487000Z', '2020-01-01T09:41:56.327000Z...
<python><pandas><datetime><python-xarray>
2024-01-16 12:18:19
1
1,652
Vinod Kumar
77,825,699
3,801,239
opencv python imutils.grab_contours and sorted methods are not available in java/scala api my scala code implementation does't produce same results
<p>i am new to OpenCV and following this <a href="https://pyimagesearch.com/2015/11/30/detecting-machine-readable-zones-in-passport-images/" rel="nofollow noreferrer">tutorial</a> here is the Python code</p> <pre><code> from imutils import paths import numpy as np import imutils import cv2 import os re...
<python><scala><opencv><computer-vision><imutils>
2024-01-16 12:17:51
0
3,525
sarah w
77,825,485
1,334,609
pexpect: failed to get the string after the marker
<p>Below is the code I used, I want to use pexpect to get the entire output of a commmand running in a ssh section:</p> <p>I have tried many ways to get the output of the command, but it always return the string before the marker, i can't get the string after the marker, I need to get the entire output of the command. ...
<python><pexpect>
2024-01-16 11:39:16
0
441
user1334609
77,825,283
5,834,711
How to use multiprocessing in geo pandas and intersection procedures by dividing the database in parts?
<p>I use the following code in a MAC OS with 8 cores. But when the procedure is running I see that Python uses only one core. How I could divide the land use database in e.g. 6 parts and run intersections in each core separately? And then combine the results?</p> <pre><code>import os import geopandas as gpd from pathli...
<python><multiprocessing><geopandas>
2024-01-16 11:02:44
2
345
Nat
77,825,266
4,540,866
Streamlit state management does not work for text input field
<p>The goal is to build a Streamlit app where data is rendered based on the selected group. The user can type the group or use the &quot;next group&quot; button. I have 2 approaches but they both have issues.</p> <h1>Approach 1</h1> <pre class="lang-py prettyprint-override"><code>import streamlit as st groups = [1,2,3...
<python><streamlit>
2024-01-16 11:00:20
1
480
Vlad Gheorghe
77,825,112
4,035,257
Filtering data based on boolean columns in python
<p>I have the following pandas dataframe and I would like a function that returns the ID's data with at least 1 True value in <code>bool_1</code>, 2 True values in <code>bool_2</code> and 3 True values in <code>bool_3</code> column, using the <code>groupby</code> function.</p> <pre><code>index ID bool_1 bool_2 bool...
<python><pandas><group-by><filtering>
2024-01-16 10:37:37
3
362
Telis
77,824,906
532,054
Apple Store Server Notification: Python OpenSSL certificate loading fails in "header too long"
<p>On my django server, I'm trying to decode the JWT content sent by the Apple Store Server Notification using Apple's package <code>app-store-server-library-python</code>.</p> <p>Under the <a href="https://github.com/apple/app-store-server-library-python" rel="nofollow noreferrer">official documentation</a>, when star...
<python><django><cryptography><decoding>
2024-01-16 10:05:21
2
1,771
lorenzo
77,824,830
17,914,734
How to colour the outer ring (like a doughnut plot) in a radar plot according to column values
<p>I have data in this form :</p> <pre><code>data = {'Letter': ['A', 'B', 'C', 'D', 'E'], 'Type': ['Apples', 'Apples', 'Oranges', 'Oranges', 'Bananas'], 'Value': [1, 2, 0, 5, 6]} df = pd.DataFrame(data) </code></pre> <p>I want to combine a doughnut plot and a radar plot, where the outer ring will be ...
<python><pandas><matplotlib>
2024-01-16 09:55:02
1
309
zorals
77,824,635
5,008,968
How to install PyQt4 in 2024 on Ubuntu (to run an old project)?
<p>In 2016/2017, when PyQt4 was still supported, I <a href="https://github.com/Hamza5/TALN-Quran/" rel="nofollow noreferrer">made a project</a> based on <strong>Python 3</strong> (not sure about the exact version, maybe 3.4), <strong>PyQt4</strong>, <strong>Numpy</strong>, and <strong>Matplotlib</strong> (Unfortunately...
<python><python-3.x><pyqt><pyqt4><python-3.4>
2024-01-16 09:21:18
1
706
Hamza Abbad
77,824,610
2,339,525
Python webscraper not scraping the latest information
<p>Work requires us to be up to date on developments in regards to customs regulations. Instead of manually going to websites I attempted to create a simple webscraper that goes to defined websites, gets the latest items there and writes them to an excel file.</p> <pre><code>import requests import pandas as pd import r...
<python><web-scraping><beautifulsoup><python-requests>
2024-01-16 09:15:38
1
820
Marco Geertsma
77,824,468
7,489,397
How to write a python test for environment variable that is loaded on import
<p>I want to test how system behaves while changing initial environmenet variable.</p> <p>the_file.py:</p> <pre class="lang-py prettyprint-override"><code>import os from fastapi import APIRouter PREFIX = os.getenv(&quot;SERVICE_PREFIX&quot;) or &quot;/default&quot; router = APIRouter(prefix=PREFIX) </code></pre> <p>...
<python><pytest><python-unittest>
2024-01-16 08:50:49
1
979
The Hog
77,824,427
1,582,790
python class variable not updated when passed to new Process
<p>Why doesn't a new Process get the updated class attr value (in Windows btw). (It's the same if the attr was just a str). I'm guessing the 3rd case worked because assignment gave it a <em>instance</em> attr.</p> <p><a href="https://stackoverflow.com/a/7525883/1582790">https://stackoverflow.com/a/7525883/1582790</a> T...
<python><process><multiprocessing><static-members><class-variables>
2024-01-16 08:39:50
0
1,324
TurtleTread
77,824,316
8,176,763
display dropdown options in fastapi without using enum type
<p>I am trying to display options in fastapi auto generated documentation page, I can do for enum types as the documentation suggests here <a href="https://fastapi.tiangolo.com/tutorial/path-params/#create-an-enum-class" rel="nofollow noreferrer">https://fastapi.tiangolo.com/tutorial/path-params/#create-an-enum-class</...
<python><fastapi><pydantic>
2024-01-16 08:20:26
1
2,459
moth
77,824,299
9,506,773
404 error when doing workload anlysis using locust on OpenAI API (GPT.35)
<p>I am trying to do some workload analysis on OpenAI GPT-3.5-TURBO using locust.</p> <pre class="lang-py prettyprint-override"><code>from locust import HttpUser, between, task class OpenAIUser(HttpUser): wait_time = between(1, 2) # wait between 1 and 2 seconds host = &quot;https://api.openai.com/&quot; ...
<python><openai-api><locust>
2024-01-16 08:15:24
1
3,629
Mike B
77,824,281
2,989,330
"SSL certificate verify failed: self-signed certificate in certificate chain" when pip install
<p>I'm behind a company proxy with a self-signed certificate and I want to install <code>tensorstore</code> via <code>pip</code>. <code>pip</code> apparently downloads and runs a Python script <code>bazelisk.py</code> that in turn uses <code>urllib</code> to get more stuff from the Internet. However, this fails with a ...
<python><ssl><pip><self-signed>
2024-01-16 08:11:57
2
3,203
Green 绿色
77,824,174
7,396,306
Using numpy random and pandas sample to make a random choice from a DF, not random distribution of choices after 100k runs
<p>I have made a small script for my D&amp;D group that, when a spell is cast, chooses whether or not another random spell gets cast, the ordinal spell gets cast, or nothing happens (with a 50%, 25%, 25% ratio, respectively).</p> <p>In order to do this, I made a <code>pd.DataFrame</code> of every possible spell in the ...
<python><pandas><numpy><random>
2024-01-16 07:50:40
1
859
DrakeMurdoch
77,823,919
3,050,341
Manim adding simple label updaters in loop
<p>I have two lists of <code>MObjects</code>: elements and labels. I need to add an updater for every label to stay inside corresponding element.</p> <p>So this is what I do:</p> <pre class="lang-py prettyprint-override"><code>self.elements: list[Circle] = [] self.labels: list[Tex] = [] for i in range(5): angle = ...
<python><manim>
2024-01-16 06:55:25
1
3,111
CMTV
77,823,803
594,763
how can I force specific mime types for python's http.server?
<p>I have a bunch of files without extensions, so http.server is serving them all as <code>application/octet-stream</code> and this is causing problems...</p> <p>Rather than giving them extensions, I would like a way to define a dictionary that would be filename -&gt; mimetype. And then have GET requests to http.serve...
<python><http.server>
2024-01-16 06:29:06
1
9,814
patrick
77,823,712
23,002,898
In Django how to compare two texts and print a message about correctness or error?
<p>I'm new to Django. In Django i would like to compare two texts, between frontend and backend, and receive a message if they are the same or different. In reality these two texts are two short HTML codes. The page can reload easily, I'm only interested in the logic and code behind comparing the two texts (and not the...
<python><html><python-3.x><django><django-views>
2024-01-16 06:01:22
1
307
Nodigap
77,823,499
107,294
How to get tox to use a Python interpreter on a specifc path
<p>I'm using tox version 4.12.0, and have <code>env_list = py{3.8,3.9}-pytest5</code>. This successfully finds and uses the OS-supplied Python 3.9 to run those tests, but skips testing with Python 3.8 because it can't find an interpreter. (This is correct behaviour so far: I have no Python 3.8 interpreter in my path an...
<python><tox>
2024-01-16 04:38:35
1
27,842
cjs
77,823,233
1,492,229
How to filter a dataframe based on another dataframes index
<p>I am building a ML Model</p> <p>There is 2 datasets <code>X_test</code> and <code>y_test</code></p> <p>Here how they look like</p> <pre><code>X_test Out[19]: AJ3158003 SY0942007 WW3873005 ... LZ014003 QP4868006 RepID 9072 5 5 5 ... 0 0 292715 2296 1...
<python><dataframe>
2024-01-16 02:48:12
0
8,150
asmgx
77,823,220
9,306,620
Python: search for a list of substrings in a list of list of strings
<p>I'm following the post <a href="https://stackoverflow.com/questions/9316970/search-a-list-of-list-of-strings-for-a-list-of-strings-in-python-efficiently">Search a list of list of strings for a list of strings in python efficiently</a> and trying to search for a list of substrings in a list of list of strings. The ab...
<python><search>
2024-01-16 02:42:30
2
1,041
SoftwareDveloper
77,823,105
7,663,420
I am classifying each word in a sentence (Named Entity Recognition) but I receive ...an unexpected keyword argument 'grouped_entities'
<pre><code>sentence = 'American Airlines was the first airline to fly every A380 flight perfectly when President George Bush was in Office. The Woodlands Texas is a great place to be.' ner = pipeline('text-classification', model='dbmdz/bert-large-cased-finetuned-conll03-english', grouped_entities=True) ners = ner(sente...
<python><nlp><google-cloud-colab-enterprise>
2024-01-16 01:47:34
1
303
Nathaniel Hibbler
77,823,058
3,719,459
How create a 2-row table header with docutils
<p>I wrote an extension for Sphinx to read code coverage files and present them as a table in a Sphinx generated HTML documentation.</p> <p><a href="https://i.sstatic.net/5VNdj.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/5VNdj.png" alt="enter image description here" /></a></p> <p>Currently the table ...
<python><html-table><code-coverage><python-sphinx><docutils>
2024-01-16 01:26:32
2
16,480
Paebbels
77,822,962
866,082
How to manage datasets in MLflow?
<p>Consider the following code snippet taken from MLflow <a href="https://mlflow.org/docs/latest/python_api/mlflow.data.html#mlflow-data" rel="nofollow noreferrer">documentation page</a>:</p> <pre class="lang-py prettyprint-override"><code>import mlflow.data import pandas as pd from mlflow.data.pandas_dataset import Pa...
<python><machine-learning><dataset><mlflow>
2024-01-16 00:40:36
1
17,161
Mehran
77,822,824
181,105
How to extend TSP to MTSP using Pulp
<p>We've studied TSP and now we're tasked to extend it for multiple salespersons. Below code using PULP with my added logic which unfortunately does not work. It does not correctly identify the correct tours.</p> <p>Eg. using below cost matrix:</p> <pre><code>cost_matrix = [[ 0, 1, 3, 4], [ 1, 0, 2, 3 ], [ 3...
<python><pulp><traveling-salesman>
2024-01-15 23:38:09
1
413
Sys
77,822,809
9,782,274
pydantic: How to parse & validate a model from a string with the model attributes as names (not as python dict)
<p>I'm able to export records as a csv from my fastapi/sqlmodel/sqladmin backend. The sqladmin (backend panel) only allows limited configuration of the export format and I end up with the following export data for my many-to-many relationship called <strong>&quot;assessed_in&quot;</strong>:</p> <pre><code>&quot;[Period...
<python><fastapi><pydantic><sqlmodel>
2024-01-15 23:30:33
0
397
Simon
77,822,594
3,358,488
Python relative import not working even though root package name is being used
<p>I've read quite a bit about relative import's tricky aspects (especially <a href="https://stackoverflow.com/questions/14132789/relative-imports-for-the-trilli%D0%BEnth-time/14132912#14132912">this question</a>). However, the following example is still not working.</p> <p>I have the following project (<a href="https:...
<python><relative-import>
2024-01-15 22:16:59
2
5,872
user118967
77,822,577
336,489
Azure Function using v2 programming model for debugging
<p>I have inherited the following code in Azure Functions and I want to ensure if this correct and find out the correct way to call this utilizing Python Azure Functions v2 programming model.</p> <pre><code>import os import gnupg import azure.functions as func gpg = gnupg.GPG(gnupghome='/tmp') class PGPDecryption: de...
<python><azure><encryption><azure-functions><pgp>
2024-01-15 22:12:35
1
5,130
GilliVilla
77,822,487
14,954,262
Python go from a list of tuple to a list of integer without quotes
<p>I have this code :</p> <pre><code>selected_listbox_select_criteria_column = [('0', 'firstName'),('1', 'lastName'),('2', 'phone')] column_to_check_for_criteria = [] column_to_check_for_criteria(', '.join(elems[0] for elems in selected_listbox_select_criteria_column)) </code></pre> <p>It gives me this result :</p> <...
<python><list><integer><quotes>
2024-01-15 21:46:07
4
399
Nico44044
77,822,378
4,267,726
Get buffer of line without joining itself in shapely
<p>I have a LineString which crosses itself (<code>LineString(...)</code>) <a href="https://i.sstatic.net/dkk8z.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/dkk8z.png" alt="enter image description here" /></a></p> <p>and make a Buffer out of it (<code>LineString().buffer(2, cap_style=BufferCapStyle.fl...
<python><shapely>
2024-01-15 21:15:31
0
385
harrow
77,822,340
3,358,488
Unittest discovery not working as expected
<p>I have the following project (<a href="https://github.com/rodrigodesalvobraz/UnittestDiscovery" rel="nofollow noreferrer">available on GitHub</a>):</p> <p><a href="https://i.sstatic.net/MZYGE.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/MZYGE.png" alt="enter image description here" /></a></p> <p>He...
<python><unit-testing>
2024-01-15 21:06:27
1
5,872
user118967
77,822,303
625,396
For Python numpy.unique(ar, return_index=False) - indexes of unique are returned in the natural order ALWAYS?
<p>In Python numpy: indexes returned by np.unique(a, return_index=True) - will ALWAYS come in natural order ? I.e. we get the FIRST occurrence of element as first index ? Or the order can be arbitrary ?</p> <p>In most examples I tried - the order is natural, but just want to confirm it is ALWAYS the case ?</p> <p>Examp...
<python><numpy>
2024-01-15 20:58:01
1
974
Alexander Chervov
77,822,220
15,148,870
Python - remove commas and leave decimal points from string as number
<p>As of title, I need to remove commas from string number and leave decimal point, but the problem is input can be with <code>.</code> or <code>,</code>. This input will be saved for Django model's <code>DecimalField</code></p> <p>For example:</p> <h5>Input:</h5> <p>&quot;250,000,50&quot;<br /> &quot;250,000&quot;<br ...
<python><python-3.x><django><regex>
2024-01-15 20:35:23
1
328
Saidamir
77,822,202
900,394
How to add a dense layer on top of SentenceTransformer?
<p>In this tutorial (<a href="https://huggingface.co/blog/how-to-train-sentence-transformers" rel="nofollow noreferrer">Train and Fine-Tune Sentence Transformers Models</a>) they go through creating a SentenceTransformer by combining a word embedding module with a pooling layer:</p> <pre><code>from sentence_transformer...
<python><nlp><huggingface-transformers><sentence-transformers>
2024-01-15 20:29:40
1
5,382
Alaa M.
77,822,172
6,419,736
CRC with bit-wise operations in Dart
<p>I am having trouble with performing a CRC-64 ECMA calculation in Dart. While I am getting <em>a</em> result, it is not correct, as evidenced by a Python script that performs the same CRC calculation.</p> <p>Here's the Python code:</p> <pre><code>def crc64ecma(data): &quot;&quot;&quot;Calculate the CRC64-ECMA val...
<python><flutter><dart><crc>
2024-01-15 20:22:47
2
748
Raphael Sauer
77,822,135
726,730
ffmpeg - store desired output to python variable
<p>If i run: <code>ffmpeg -list_devices true -f dshow -i dummy</code> i get:</p> <pre><code>ffmpeg version 2023-01-30-git-2d202985b7-full_build-www.gyan.dev Copyright (c) 2000-2023 the FFmpeg developers built with gcc 12.2.0 (Rev10, Built by MSYS2 project) configuration: --enable-gpl --enable-version3 --enable-stat...
<python><ffmpeg><process>
2024-01-15 20:09:02
2
2,427
Chris P
77,822,063
16,907,012
Python subprocess read output line by line
<p>I'm trying to run a python script (<code>test.py</code>) from <code>main.py</code> using <code>asyncio.subprocess</code> and basically, it works fine if <code>test.py</code> doesn't have any interactivity i.e. if there's no user interaction.</p> <p>When my script contains <code>input(prompt)</code> with some prompt,...
<python><input><subprocess><python-asyncio>
2024-01-15 19:52:55
0
354
princesanjivy
77,822,021
11,618,586
Calculating slope in degrees from a fitted line
<p>I have fitted a line using Scipy's <code>lineregress</code> on some data resulting in the following plot:</p> <p><a href="https://i.sstatic.net/hl2nd.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/hl2nd.png" alt="Plot" /></a></p> <p>I'm trying to convert the slope to degrees and used the following me...
<python><python-3.x><numpy><scipy>
2024-01-15 19:44:50
0
1,264
thentangler
77,821,944
993,812
Is there an easy way to remove nodes while keeping descendants?
<p>I've got a graph with some nodes I'd like to remove based on criteria. Is there an easy way to remove the node, but keep the descendants in tact?</p> <p>Super simple, but say I've got this graph: 1-&gt;2-&gt;3-&gt;4-&gt;5-&gt;6</p> <p>If 2 and 4 meet criteria for removal, how can I be left with something like the fo...
<python><networkx>
2024-01-15 19:25:55
2
555
John
77,821,822
15,452,898
Display the row index number given conditions
<p>I am currently trying to practice with some data manipulation procedures and have faced with the problem of how to make subset based on special condition.</p> <p>Let's assume that the dataframe looks like this:</p> <pre><code>Name ID ContractDate LoanSum DurationOfDelay A ID1 2023-01-01 10 10 ...
<python><pyspark><subset><data-manipulation><row-number>
2024-01-15 18:55:44
1
333
lenpyspanacb
77,821,670
1,725,974
Neural networks - unable to understand the behaviour of the output layer
<p>I'd like to know why this works (look for the comment &quot;<em># This is the output layer and this is what I am talking about</em>&quot;):</p> <pre><code>model = Sequential() # Not talking about this model.add(Dense(32, activation='relu', input_dim = X_train.shape[1])) # Not talking about this model.add(Dense(16, a...
<python><keras><deep-learning><neural-network>
2024-01-15 18:20:56
1
1,539
Anonymous Person
77,821,667
4,828,720
Querying postgrest with httpx
<p>Consider the first &quot;Operator Modifiers&quot; example from <a href="https://postgrest.org/en/stable/references/api/tables_views.html#operator-modifiers" rel="nofollow noreferrer">https://postgrest.org/en/stable/references/api/tables_views.html#operator-modifiers</a>:</p> <pre><code>curl &quot;http://localhost:30...
<python><urlencode><httpx><postgrest>
2024-01-15 18:20:45
1
1,190
bugmenot123
77,821,648
9,518,886
Managing ALLOWED_HOSTS in Django for Kubernetes health check
<p>I have a Django application running on Kubernetes, using an API for health checks. The issue I'm facing is that every time the IP associated with Django in Kubernetes changes, I have to manually update ALLOWED_HOSTS.</p> <p><strong>django code:</strong></p> <pre><code>class HealthViewSet(ViewSet): @action(method...
<python><django><kubernetes><devops>
2024-01-15 18:16:59
2
537
Navid Sadeghi
77,821,581
5,418,710
python typing: detach function signature type declaration from function definition
<p>I want to ensure a couple of functions implement the same interface via type checking. How'd I do this? Would I use additional tooling for this? <br/> For completeness: I'm using mypy as a type checker.</p> <p>Example:</p> <pre class="lang-py prettyprint-override"><code>binaryFunction = Callable[[float, float], floa...
<python><typing>
2024-01-15 18:01:32
1
707
chichak
77,821,394
4,219,600
Pandas Creating a single list from a column containing a list of objects
<p>In some data I import into Pandas I have the following;</p> <div class="s-table-container"> <table class="s-table"> <thead> <tr> <th>ID</th> <th>Data</th> </tr> </thead> <tbody> <tr> <td>1</td> <td>&quot;[{'id':102, 'name': 'A'}, {'id':103, 'name': 'B'}, {'id':104, 'name': 'C'}]&quot;</td> </tr> </tbody> </table> </...
<python><pandas>
2024-01-15 17:23:31
3
1,295
James Cooke
77,821,296
214,296
Is Python's `print()` function blocking or non-blocking?
<p>I'm trying to speed up the processing time of a script, which in certain configurations may have a lot of output dumped to the console (file=stdout) via <code>print()</code>. Is Python's <code>print()</code> function blocking or non-blocking? I've not able able to find an adequate answer for this in the documentat...
<python><blocking><nonblocking>
2024-01-15 17:01:40
2
14,392
Jim Fell
77,821,126
11,857,974
How to push data to azure devops using python
<p>I am trying to push data to azure devops using python.<br /> Here is how the paths to the original data (local) look like</p> <pre><code>original_paths = [ &quot;c:/user/dir1/filename1.txt&quot;, &quot;c:/user/dir2/filename1.py&quot;, &quot;c:/user/dir2/filenamex.json&quot; ] </code></pre...
<python><git><rest><azure-devops>
2024-01-15 16:31:15
1
707
Kyv
77,821,100
1,536,343
psycopg2 "%s" variable with " LIKE 'fake_%' " triggers "IndexError: tuple index out of range"
<p>I run the following query in Django using its postgres connection (pyscopg2 lib):</p> <pre><code>SELECT a.trade_date, a.ticker, a.company_name, a.cusip, a.shares_held, a.nominal, a.weighting, b.weighting &quot;previous_weighting&quot;, ABS(a.weighting - b.weighting) &quot;weighting_change&quot; FROM t_ark_h...
<python><psycopg2><django-4.0>
2024-01-15 16:27:05
1
582
Je Je
77,820,817
1,422,096
How to create a Z-value matrix for a given meshgrid, and x, y, z columns?
<p>Let's say we would like to do a heatmap from three 1D arrays <code>x</code>, <code>y</code>, <code>z</code>. The answer from <a href="https://stackoverflow.com/questions/33942700/plotting-a-heat-map-from-three-lists-x-y-intensity">Plotting a heat map from three lists: X, Y, Intensity</a> works, but the <code>Z = np....
<python><numpy><heatmap><meshgrid>
2024-01-15 15:37:56
1
47,388
Basj
77,820,589
3,124,150
Type parameter list cannot be empty for TypeVarTuple
<p>I have the following type parametrized signal:</p> <pre class="lang-py prettyprint-override"><code>from __future__ import annotations from typing_extensions import Callable, TypeVarTuple, Generic, Unpack, List, TypeVar VarArgs = TypeVarTuple('VarArgs') class Signal(Generic[Unpack[VarArgs]]): def __init__(se...
<python><python-typing><type-variables>
2024-01-15 14:48:45
4
947
EmmanuelMess
77,820,525
1,422,096
Plot a heatmap from X, Y, Z coordinates
<p>I have 3 lists for X, Y, Z coordinates. How to plot a color heatmap from these 3 lists? Here it should be easily possible because <code>(x, y)</code> cover a rectangle [100, 120[ x [5, 15[.</p> <p>First attempt : I can do a matrix <code>np.array(...)</code> from the <code>x, y, z</code> values but then, the x-axis, ...
<python><numpy><matplotlib><heatmap>
2024-01-15 14:37:09
0
47,388
Basj
77,820,437
3,501,128
Test that a function imported into different namespaces is never called
<p>Suppose I have</p> <p>foo.py</p> <pre><code>def my_func(): print('hello world!') </code></pre> <p>bar.py</p> <pre><code>from foo import my_func </code></pre> <p>I want to write tests to ensure that <code>my_func</code> is never called. I have this:</p> <pre><code>from unittest import mock import foo import bar...
<python><testing><mocking>
2024-01-15 14:22:37
1
4,279
RuthC
77,820,382
3,801,865
OpenTelemetry collector hanging in local Lambda container
<p>I have an AWS Lambda function which runs from a container image. I am trying to get the <a href="https://aws-otel.github.io/docs/getting-started/lambda/lambda-python" rel="nofollow noreferrer">AWS Distro for OpenTelemetry Lambda Support For Python</a> managed layer to run within my container, so that I can automatic...
<python><docker><aws-lambda><open-telemetry>
2024-01-15 14:13:05
0
1,022
Josh Clark
77,820,218
9,563,537
Pydantic V2 patching model fields
<h1>Problem</h1> <p>I'm attempting to patch one or more fields of a pydantic model (v2+) in a unit test.</p> <h3>Why?</h3> <p>I want to mock some enum field, with a simpler/smaller enum to reduce the test assertion noise. For example, if I have;</p> <pre class="lang-py prettyprint-override"><code>from pydantic import B...
<python><pydantic>
2024-01-15 13:44:39
2
1,831
Josmoor98
77,820,213
10,425,150
pip installed Pyinstaller in global site-packages instead of venv
<p>I've created virtual environment using following command:</p> <pre><code>py -m venv pygui </code></pre> <p>Then I've activated it in CMD prompt:</p> <pre><code>cd pygui/Scripts activate.bat </code></pre> <p>However when I've tried to install new libraries with pip I don't see it in the list.</p> <pre><code>pip insta...
<python><pip><virtualenv><pyinstaller>
2024-01-15 13:43:26
1
1,051
Gооd_Mаn
77,820,136
2,919,585
pandas.to_datetime is off by one hour
<p>I have some data recorded with timestamps using <code>time.time()</code>. I want to evaluate the data using <code>pandas</code> and convert the timestamps to datetime objects for better handling. However, when I try, all my timing data is off by one hour. This example reproduces the issue on my machine:</p> <pre cla...
<python><pandas><datetime><timestamp>
2024-01-15 13:30:49
2
571
schtandard
77,820,120
7,631,505
Numpy filter data based on multiple conditions
<p>Here's my question: I'm trying to filter an image based on the values of two coordinates. I can do this easily with a for loop:</p> <pre><code>import numpy as np import matplotlib.pyplot as plt x = np.linspace(-1, 1, 101) y = np.linspace(-1, 1, 51) X, Y = np.meshgrid(x, y) Z = np.exp(X**2 + Y**2) newZ = np.zeros...
<python><numpy><indexing>
2024-01-15 13:28:32
2
316
mmonti
77,820,083
13,803,549
How to get the average of a specific value in Django queryset
<p>I have two models 'Teams' and 'Members'.</p> <p>One of the fields in Members is 'favorite_team' and a field in Teams is 'favorite_avg'</p> <p>I am trying to get an average of the favorite_team field by entering in a value.</p> <p>I am trying to find a better/faster way to do this:</p> <pre><code> all_members = Me...
<python><django><django-queryset><aggregate-functions>
2024-01-15 13:23:23
1
526
Ryan Thomas
77,819,867
595,189
What is the recommeded way of updating when using `pyproject.toml' and `setuptools`
<p>I am/was operating under the assumpion that <code>pyproject.toml</code> is supposed to be a unified metadata file, replacing others (<code>setup.*</code>, <code>requirements.txt</code>...), which worked for the most part for me.</p> <p>However, I have not found a way to update all depended on packages like <code>pip...
<python><pip><setuptools><pyproject.toml>
2024-01-15 12:43:40
0
2,578
TeaOverflow
77,819,808
2,439,278
Bump2version + pre-commit hook in python code
<p>I'm using bump2version python module to increment my python codebase version automatically. When the pre-commit hook runs after the commit, the version.sh goes into indefinite loop and version keeps on incrementing in <strong>init</strong>.py. Did I miss anything</p> <p><strong>.bumpversion.cfg</strong></p> <pre><co...
<python><git><pre-commit><pre-commit.com><bump2version>
2024-01-15 12:31:34
1
1,264
user2439278
77,819,804
18,894,965
Django Rest Framework best way to delete an object
<p>So I&quot;M Trying to make this delete method in my drf project. i setuped the <code>@api_view(['DELETE'])</code> to the views function and setuped a form method to delete the object. but it didn't worked well. so i have to make the @api_view to post method and set the form method to post to delete the object. is th...
<python><django><rest><django-rest-framework>
2024-01-15 12:30:51
1
503
devMe
77,819,663
15,341,457
Tkinter - Creating scrollable frame
<p>I'm trying to create a scrollable frame with customtkinter following this <a href="https://www.youtube.com/watch?v=gd6tiT0vCII" rel="nofollow noreferrer">guide</a>. The result I'm trying to obtain is a series of frames packed one over the other just like in the linked guide. What I get is just the red canvas which c...
<python><tkinter><canvas><scroll><frame>
2024-01-15 12:06:22
1
332
Rodolfo
77,819,377
14,282,714
AttributeError: module 'streamlit' has no attribute 'chat_input'
<p>I'm trying to run a simple Streamlit app in my conda env. When I'm running the following <code>app.py</code> file:</p> <pre><code># Streamlit app import streamlit as st # prompt = st.chat_input(&quot;Say something&quot;) if prompt: st.write(f&quot;User has sent the following prompt: {prompt}&quot;) </code></pr...
<python><python-3.x><pip><attributeerror><streamlit>
2024-01-15 11:12:48
2
42,724
Quinten
77,819,362
1,574,551
while loop exit after receive error in a try except
<p>I would like to execute the Python code, but in the event of a timeout error, I want the code to automatically retry after a 60-second delay and continue. However, if another error occurs, such as a permission issue, the code should exit with the corresponding error message. The current code I have below doesn't exi...
<python><while-loop><except>
2024-01-15 11:10:08
2
1,332
melik
77,819,273
18,125,194
Word2Vec to calculate similarity of movies to high preforming movies
<p>I have a dataset with user ratings for movies and movie descriptions like this</p> <pre><code>import pandas as pd df =pd.DataFrame ({ 'description': [ 'Two imprisoned men bond over a number of years', 'A family heads to an isolated hotel for the winter', 'In a future where technology con...
<python><nlp><word2vec>
2024-01-15 10:54:24
1
395
Rebecca James
77,819,136
15,917,305
Clone Repo into Local Repo and Install Package via Pip via Local Repo
<p>I am a Python and Github novice. However, I'd like to run some code available on Github. My understanding is that I need to:</p> <p>&quot;First, clone this repo, cd into the local repo, and install via pip from your local repo&quot;</p> <p>Can someone provide the perquisite and requisite steps for executing:</p> <ul...
<python><github>
2024-01-15 10:30:36
1
339
EB3112
77,819,004
633,001
Python import failed due to missing symbol
<p>I have an external library with a header file and a .so library. I wanted to wrap this via PyBind11 to access the C code from Python. I can build the module just fine, but when I want to import it, I get:</p> <pre><code>/home/user/dev/external/Python/PyBind_Module/external_python.cpython-310-x86_64-linux-gnu.so: und...
<python><shared-libraries><pybind11>
2024-01-15 10:05:33
1
3,519
SinisterMJ
77,818,975
13,955,154
Periodogram to find the season of a time series
<p>I have a time series that is detecting a toggle system which has a repetitive pattern of length k, where (k-1) consecutive values are 0 and one is equal to 1. I want to use periodogram to find the length k of this system. How can I do so?</p> <p>Currently I have this code:</p> <pre><code>import numpy as np import ma...
<python><numpy><scipy><time-series><pattern-recognition>
2024-01-15 10:00:54
1
720
Lorenzo Cutrupi
77,818,960
9,658,149
Langchain, error raised by bedrock service Malformed input request: #: extraneous key [functions]
<p>I have this code that just creates tags for each document. I have done it with ChatOpenAI(), and it works perfectly, but when I change to BedrockChat(), I get the error. This is the code.</p> <pre><code>from langchain_community.chat_models import BedrockChat, from langchain.chains import create_tagging_chain_pydanti...
<python><pydantic><langchain><amazon-bedrock>
2024-01-15 09:56:55
0
2,097
Eric Bellet
77,818,890
1,240,075
Python ModuleNotFoundError when running tests
<p>I have a Python program that runs correctly as expected, but for some reason I am not able to execute the tests.</p> <p>In the folder hierarchy, <em>tests</em> is a sibling folder of <em>src</em> and the error I got when executing tests is:</p> <pre><code>ModuleNotFoundError: No module named 'sub' </code></pre> <p>H...
<python><unit-testing><testing><pytest><python-unittest>
2024-01-15 09:45:06
1
1,611
user840718
77,818,860
13,944,524
Why ScopeSecurity object is empty when used in path operation function in FastAPI?
<p>Here is a simple code to reproduce:</p> <pre class="lang-py prettyprint-override"><code>from typing import Annotated, Any from fastapi import FastAPI, Security from fastapi.security import SecurityScopes app = FastAPI() def dependency_one(scope: SecurityScopes): print(&quot;dependency function is running.&quo...
<python><fastapi>
2024-01-15 09:39:36
0
17,004
S.B
77,818,764
3,727,079
How can I select all dataframe entries between two times, when the time is a series?
<p>Here's some data:</p> <pre><code>my_dataframe = pd.DataFrame({'time': [&quot;2024-1-1 09:00:00&quot;, &quot;2024-1-1 15:00:00&quot;, &quot;2024-1-1 21:00:00&quot;, &quot;2024-1-2 09:00:00&quot;, &quot;2024-1-2 15:00:00&quot;, &quot;2024-1-2 21:00:00&quot;], 'assists': [5, 7, 7, 9, 12, 9], ...
<python><pandas><dataframe><datetime>
2024-01-15 09:24:31
2
399
Allure
77,818,705
10,003,538
Django admin with Nullable ForeignKey in Model but why required in admin page?
<p>I am using Django and Python to create a custom admin interface for a model named ContentProgress. The ContentProgress model has a nullable ForeignKey field named custom_user_content.</p> <p>However, when I try to save or edit a ContentProgress instance in the Django admin without providing a value for custom_user_c...
<python><django>
2024-01-15 09:14:06
1
1,225
Chau Loi