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2025-11-01 19:08:18
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76,267,519
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What is the proper type annotation for any object that can be unpacked with the ** operator?
<p>I have a function that looks like this:</p> <pre><code>from pandas import Series def my_function(unpackable: dict | Series) -&gt; None: {**unpackable} </code></pre> <p>I would actually like to type hint for any object that can be unpacked with the <code>**</code> operator while excluding those that cannot. I tho...
<python><python-typing>
2023-05-16 22:42:30
2
864
michen00
76,267,445
665,335
String type in Python but with warning of "Number stored as text" in Excel xlsx file
<p>I need to create an Excel xlsx file from a Pandas data frame.</p> <p>The Pandas data frame contains a column of Object type in Python. Each cell of the column is string type. On the Excel file, the column has warnings of &quot;Number stored as text&quot;.</p> <p>Why is it? Is it possible to remove the warning? It is...
<python><xlsxwriter>
2023-05-16 22:26:15
0
8,097
Pingpong
76,267,373
5,352,674
Cannot import module projectname.appname when reading CSV
<p>I have a django project named <code>localassets</code> and in turn have an app called <code>assetlist</code>. I have a directory named <code>scripts</code> at the root of my project (same level of manage.py) in which I have the following script to read data from a csv:</p> <p><strong>load_csv.py</strong></p> <pre><c...
<python><django><django-models>
2023-05-16 22:10:27
0
319
Declan Morgan
76,267,153
6,273,496
'IntegerArray' object has no attribute 'reshape'
<p>I'm trying to run a linear regression on a small dataframe I'm getting from an SQL query.</p> <p>When running the example below (with a dummy dataset) everything is working fine:</p> <pre><code># initialize list of lists data = [['tom', 10, 20], ['nick', 15, 40], ['juli', 14, 70]] # Create the pandas DataFrame df...
<python><pandas><dataframe><jupyter-notebook>
2023-05-16 21:25:50
2
2,904
Simon Breton
76,267,022
2,228,592
Django Grab Only First of Each Primary Key in Query
<p>I have a model as below. I want to query it and fetch only the first (newest) row of each <code>tagid</code>.</p> <p>So I do something like this</p> <pre class="lang-py prettyprint-override"><code>tag_ids = [list of tagid] q = Q(tagid__in=tag_ids, dataintegirty=192) items = get_model().objects.filter(q).order_by('-...
<python><django>
2023-05-16 21:00:17
2
9,345
cclloyd
76,266,985
7,987,455
How to click on the age verification popup window in Selenium?
<p>I am trying to use Selenium to search something in Aliexpress, but when I search for some products, for example, when I type &quot;test,&quot; I will have a popup window that requests my age verification, as shown below: <a href="https://i.sstatic.net/dILhY.png" rel="nofollow noreferrer"><img src="https://i.sstatic....
<python><selenium-webdriver><web-scraping><webdriver>
2023-05-16 20:54:59
1
315
Ahmad Abdelbaset
76,266,927
214,296
Invalid Argument Error After Moving Code Block to Function
<p>I have this code that works fine when it's defined altogether, but if I move a portion of the code to its own function, I get an <code>OSError: [Errno 22] Invalid argument</code>.</p> <pre class="lang-py prettyprint-override"><code>from ctypes import create_string_buffer, addressof from struct import pack, unpack i...
<python><invalidargumentexception>
2023-05-16 20:45:53
2
14,392
Jim Fell
76,266,920
3,042,850
Having Trouble with a DateTime format - need to set first entry then calculate based on time
<p>Now I converted 2 columns that were originally '%H:%M' format toDatetime and it defaulted the Y:M:D to 1900-01-01. How would I be able to name the first row date and then it calculate the date for the rest of the column. I have multiple days in the Actual Time column, so I would need something that adds the next day...
<python><pandas><datetime>
2023-05-16 20:44:31
1
309
user3042850
76,266,770
165,658
Conda not working after reinstall - zstandard issue
<p>A few days ago I started having problems in my Windows 10 machine with installing packages with conda. It was giving me an error message <code>UserWarning: zstandard could not be imported. Running without .conda support.</code></p> <p>I did some Googling and tried to reinstall Anaconda. I could not do anaconda--clea...
<python><anaconda><windows-10><conda>
2023-05-16 20:15:39
3
1,311
Gregory Saxton
76,266,695
6,824,121
Can't install PyQt5 using pip on alpine docker
<p>Here is my Dockerfile:</p> <pre><code>FROM python:3.11-alpine AS app RUN apk update &amp;&amp; apk add make automake gcc g++ subversion python3-dev gfortran openblas-dev RUN pip install --upgrade pip WORKDIR /srv </code></pre> <p>When I connect to my container and I launch: <code>pip install pyqt5</code></p> <p>I...
<python><docker><pip><pyqt><pyqt5>
2023-05-16 20:05:15
1
1,736
Lenny4
76,266,682
8,283,848
How to raise custom exceptions in a FastAPI middleware?
<p>I have a simple FastAPI setup with a custom middleware class inherited from <a href="https://www.starlette.io/middleware/#basehttpmiddleware" rel="nofollow noreferrer"><strong><code>BaseHTTPMiddleware</code></strong></a>. Inside this middleware class, I need to terminate the execution flow under certain conditions. ...
<python><python-3.x><fastapi><middleware><starlette>
2023-05-16 20:03:33
2
89,380
JPG
76,266,681
2,236,794
kubernetes service not working with nginx and uwsgi
<p>I have a working Flask app running uwsgi in Docker. I am trying to migrate this application to Kubernetes. I have the following Nginx configmap. I have created the following service and deployment created. I am missing something to make this work and cant seem to figure out that it is. From the logs of Nginx it...
<python><kubernetes><nginx><flask>
2023-05-16 20:03:13
1
561
user2236794
76,266,492
5,838,295
Tensorflow + Keras CPU Utilization Question
<p>A data science team is using Keras to train a model using Sequential. They want me to give them a GPU so they can speed up their model training, because they estimate it will take an obscenely long time to train using the current infra (like 6 months). The issue is that when I look at the CPU utilization of their mo...
<python><tensorflow><keras><openshift><cpu>
2023-05-16 19:32:00
0
531
transposeglobal
76,266,392
17,396,945
Type hints for 'Sequence of ParamSpec'
<p>I have a working function that looks something like this:</p> <pre class="lang-python prettyprint-override"><code>from time import monotonic from itertools import chain from datetime import timedelta from typing import Callable, Sequence, Any, ParamSpec P = ParamSpec('P') def test_function( func: Callable[P, ...
<python><python-typing>
2023-05-16 19:14:47
2
499
Олексій Холостенко
76,266,167
2,391,795
Using Pandas to read XLSX file from Google Drive: "The truth value of a DataFrame is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all()."
<p>I'm trying to read a file downloaded from Google Drive using Pandas, in Python. I'm running the code under Python 3.9, using Pipedream.</p> <p>Using the following code:</p> <pre><code>import pandas as pd import openpyxl def handler(pipedream: &quot;pipedream&quot;): # Reference data from previous steps #pri...
<python><pandas><google-sheets><pipedream>
2023-05-16 18:39:19
0
18,227
Vadorequest
76,266,112
21,107,707
Why are question marks highlighted specially in python raw string literals in VS Code?
<p>I am working with some raw strings to avoid escape characters and came across this funny syntax highlighting on VS Code. I apologize if this is a bad question; I am merely curious regarding the reason behind the question marks being highlighted (comparing <code>s1</code> and <code>s2</code>). If it helps, I am using...
<python><visual-studio-code>
2023-05-16 18:30:01
2
801
vs07
76,266,090
6,398,487
Python Formatting Float Decimal Digits with Separation (grouping) e.g., Underscore
<p>If it's possible to print float number like this in Python 3.8:</p> <pre><code>4321.000056 → 4_321.000_056 </code></pre> <p>I know we have underscore separation (grouping) for integer part, e.g., <code>1_000_000</code>, but I searched around, really couldn't find how to achieve that for the decimal part in float.</p...
<python><python-3.x><printing><format><numbers>
2023-05-16 18:27:07
1
3,574
Jason
76,266,024
12,076,570
DefinedName Unexpected Keyword Argument Value
<p>I've been trying to make DefinedName work but I have not been able to by following the documentation. I'm trying to programmatically create two dropdowns filled up with a list and filter. Where the second dropdown value changes based on the selection of the first one. Below is the code I have so far, my current issu...
<python><excel><openpyxl>
2023-05-16 18:16:57
0
335
Jonathan Sandler
76,266,006
1,068,689
convert string represented as unicode code points to utf-8 characters
<p>I have a file that contains ASCII lines like</p> <p><code> &quot;\u0627\u0644\u0625\u062f\u0627&quot;</code></p> <p>(including the quote marks). I want to output these lines with the actual UTF-8 characters, like</p> <p><code> &quot;الإدا&quot;</code></p> <p>(These happen to be Arabic, but a solution would pre...
<python><utf-8>
2023-05-16 18:13:58
1
665
Mike Maxwell
76,265,969
16,389,095
Creating a package of a Python/Kivy/KivyMd app with PyInstaller: kivy.factory.FactoryException - No class <MDTopAppBar> in module <kivymd.uix.toolbar>
<p>I'm trying to create a package of a <a href="https://kivymd.readthedocs.io/en/1.1.1/" rel="nofollow noreferrer"><strong>Python/KivyMD</strong></a> app with <a href="https://pyinstaller.org/en/stable/index.html" rel="nofollow noreferrer"><strong>PyInstaller</strong></a> for Windows systems. After having modified the ...
<python><kivy><pyinstaller><kivy-language><kivymd>
2023-05-16 18:08:25
0
421
eljamba
76,265,884
10,309,712
sklearn: ValueError: multiclass format is not supported
<p>Answers to similar question exist, none worked to me, so I am posting this.</p> <p>Using the <a href="https://rasbt.github.io/mlxtend/" rel="nofollow noreferrer">mlxtend</a> package to do a sequential forward feature selection. I am working on a multiclass (5 class) problem, and a random forest estimator.</p> <pre c...
<python><machine-learning><scikit-learn><feature-selection><mlxtend>
2023-05-16 17:55:39
1
4,093
arilwan
76,265,834
3,755,861
plotly polarplot - moving position of radialaxis labels
<p>I am using plotly for polar plots with pretty standard settings for radial and angular axis, but instead of plotting the ticklabels of the radialaxis onto the 270 degree axis, I would like to plot them onto the 180 degree axis. How can I do that?</p> <p>Here some snippets of my code:</p> <pre><code>fig.update_layou...
<python><plotly>
2023-05-16 17:47:35
1
452
Pugl
76,265,747
11,622,176
Computing the Cosine Similarity of Embeddings Generated by the Dolly Model on the Hugging Face Hub
<p>In Python, I have a text query variable and a dataset structured as follows:</p> <pre><code>text = &quot;hey how are you doing today love&quot; dataset = [&quot;hey how are you doing today love&quot;, &quot;I am doing great&quot;, &quot;What about you?&quot;] </code></pre> <p>I am trying to use the following pipelin...
<python><numpy><huggingface-transformers><valueerror>
2023-05-16 17:34:27
1
527
john_mon
76,265,651
2,543,666
get bytes representation of number as a decimal string without intermediate string object in python
<p>If I have <code>x = 123</code>, I would like to generate the bytes object <code>b'123'</code>.</p> <p>I know I can accomplish this with <code>str(x).encode('ascii')</code> or <code>bytes(str(x), 'ascii')</code>.</p> <p>My question is, is it possible to do this without having to create an intermediate <code>str</code...
<python>
2023-05-16 17:19:11
2
7,080
Thayne
76,265,631
791,793
ChromaDb add single document, only if it doesn't exist
<p>I'm working with langchain and ChromaDb using python.</p> <p>Now, I know how to use document loaders. For instance, the below loads a bunch of documents into ChromaDb:</p> <pre><code>from langchain.embeddings.openai import OpenAIEmbeddings embeddings = OpenAIEmbeddings() from langchain.vectorstores import Chroma db...
<python><langchain><chromadb>
2023-05-16 17:15:52
3
721
user791793
76,265,589
5,089,311
Python update multilevel dictionary subitems having specific attribute/key
<p>Assume I have database-like dictionary, where each item is also dictionary.<br /> For example:</p> <pre><code>{ 'peter' : { 'age' : 28, 'department' : 3857 }, 'helga' : { 'department' : 57, 'occupancy' : 'graphics' }, 'eugene' : { 'age' : 48, 'department' : 12, 'role' : 'teamlead' } } </code></pre> <p>I want upd...
<python><dictionary>
2023-05-16 17:08:22
1
408
Noob
76,265,574
9,386,819
Why am I able to use datetime in pandas without importing datetime?
<p>I don't quite understand when I must import datetime and when it's not necessary. For example:</p> <pre><code>import pandas as pd df['date_string_col'] = pd.to_datetime(df['date_string_col']) df['datetime_year_col'] = df['date_string_col'].dt.year </code></pre> <p>Why does this work without importing <code>datetime...
<python><pandas><datetime>
2023-05-16 17:06:53
2
414
NaiveBae
76,265,477
9,403,794
How to get logical mask of two lists if lists contain np.NaN
<p>Logical OR and logical AND seems do not work when list have np.NaN. I produced simple example: If I will have ndarray filled with np.NaN, it do not work correctly:</p> <pre><code>import numpy as np m =10 l1, l2 = np.array([np.NaN] * m), np.array([np.NaN] * m) l1[3] = 5 l2[3] = 5 l1[5] = 6 l2[5] = 6 l2[7] = 7 l1[8] =...
<python><numpy><numpy-ndarray><logical-operators>
2023-05-16 16:53:13
3
309
luki
76,265,464
876,375
Getting Reverse for 'app_list' not found on custom Admin in Django
<p>My code is as follows:</p> <p>admin.py:</p> <pre><code>from django.contrib.admin import AdminSite from copy import copy from django.apps import apps from django.contrib import admin from .models.badge import * class MyAdminSite(AdminSite): site_header = 'Monty Python administration' admin_site = MyAdminSite(n...
<python><django>
2023-05-16 16:50:04
1
1,123
Lenka Pitonakova
76,265,221
1,264,018
Retrieving Keras Layer Properties from a tf.keras.Model
<p>I use the following example to make my question clear:</p> <pre><code> class Encoder(K.layers.Layer): def __init__(self, filters): super(Encoder, self).__init__() self.conv1 = Conv2D(filters=filters[0], kernel_size=3, strides=1, activation='relu', padding='same') self.conv2 = Conv2D(filte...
<python><tensorflow><keras>
2023-05-16 16:20:35
1
11,853
feelfree
76,265,049
552,236
Airflow s3 list and copy files from one bucket to another bucket
<p>New to Airflow here. I am trying to do few things to get my self comfortable with Airflow. As part of this, I tried to list all the files in a s3 bucket and copy them one by one to another bucket.</p> <p>Here</p> <pre><code> from airflow.models import DAG from airflow.decorators import task from datetime import d...
<python><airflow>
2023-05-16 16:01:09
1
4,259
Vivekh
76,265,030
3,541,631
Using a dynamic priority dict or list to remove possible duplicate elements in a complex dict(keep it only for the biggest priority element/key)
<p>I have a complex dict, with many elements, simplifying looks like this:</p> <pre><code>grouped = { &quot;ca&quot;: {&quot;k_a&quot;: 32, &quot;k_d&quot;: 34}, &quot;ct&quot;: {&quot;p_a&quot;: 98, &quot;k_d&quot;: 34}, &quot;cd&quot;: {&quot;k_a&quot;: 32, &quot;c_a&quot;: 12}, } </code></pre> <p>and a l...
<python><python-3.x>
2023-05-16 15:59:27
1
4,028
user3541631
76,264,999
2,835,684
How to replace "/" with "\/" in python when writing to a file
<p>I want to replace <code>/</code> with a <code>\/</code> in a string. For an example</p> <pre><code>original_string=&quot;https://stackoverflow.com/questions/&quot; modified_string=&quot;https:\/\/stackoverflow.com\/questions\/&quot; </code></pre> <p><code>modified_string</code> is the required output. I tried the fo...
<python><character-encoding>
2023-05-16 15:55:52
1
541
nrnw
76,264,990
8,465,299
Agumentation of Tabular Dataset
<p>I am trying to increase the size of a numeric dataset that I have been working with. The dataset comprises the columns: <strong>[‘Name’, ‘O3_1hr’, ‘O3_4hr’, ‘O3_8hr’, ‘PM10 1 hr’, ‘PM10’, ‘AQI_O3_1hr’, ‘AQI_O3_4hr’, ‘AQI_PM10’, ‘AQI_Site’, ‘Date’, ‘Time’, ‘Latitude’, Longitude’]</strong>.</p> <p>Previously, I attemp...
<python><keras><generative-adversarial-network><data-generation>
2023-05-16 15:54:27
0
733
Asif
76,264,923
13,234,892
Group dicts and sum attribute
<p>I have following list of dicts:</p> <pre><code>presets = [{'proportion': 1, 'filter': {'tagger_mood': ['sad', 'party']}}, {'proportion': 1, 'filter': {'vocal_instrumental': 1}}, {'proportion': 1, 'filter': {'vocal_instrumental': 2}}, {'proportion': 1.1, 'filter': {'tagger_mood': ['sad', 'party']}}, {'proportion': 1....
<python>
2023-05-16 15:43:38
3
466
Andrey Ivanov
76,264,903
19,189,069
Cannot install Parsivar normalizer on Google Colab
<p>When I want to install Parsivar normalizer on Google Colab, I get this error. This is my installation code: I use pip to install Parsivar normalizer. This error occurs for about two weeks. before that time I didn't have any problem to install Parsivar.</p> <pre><code>!pip install parsivar from parsivar import Normal...
<python><google-colaboratory>
2023-05-16 15:41:51
1
385
HosseinSedghian
76,264,896
11,871,647
Is there way to debug a Python 2.7 app that has been created with Buildout in vscode?
<p>I have a legacy system that uses Python 2.7. The application gets built using <a href="https://www.buildout.org/en/latest/contents.html#" rel="nofollow noreferrer">Buildout</a> and I run the application as <code>bin/django runserver 0.0.0.0:8000</code> oppose to <code>python manage.py runserver 0.0.0.0:8000</code>. ...
<python><python-2.7><visual-studio-code><debugging><vscode-debugger>
2023-05-16 15:41:09
1
323
KED
76,264,728
2,500,344
Unable to install facebook prophet library in Databricks using Python
<p>I installed the facebook prophet on Databricks and it was working fine till yesterday. I installed it using the following commands:</p> <p><code>%pip install pystan==2.19.1.1</code><br /> <code>%pip install fbprophet</code></p> <p>However, it is not working now. It gives me the following error:</p> <p><code>Command ...
<python><databricks><facebook-prophet>
2023-05-16 15:22:27
1
4,062
Enayat
76,264,600
6,379,348
How to plot a dodged barplot with dual axis
<p>I need to plot two sets of barplots side by side with their values on two separate y-axis.</p> <p>In the example code below, my population bar is in different scale with income. It's not working with just one axis.</p> <p>Here is what I need:</p> <ol> <li>I need plot three bars for income of each region. Also I need...
<python><matplotlib><seaborn>
2023-05-16 15:07:55
0
11,903
zesla
76,264,523
11,923,747
PyQt : Qt Designer doesn't directly create the GridLayout. Why?
<p>Why Qt Designer create a general widget and then create GridLayout object child object ?</p> <pre><code>self.gridLayoutWidget = QWidget(self.centralwidget) self.gridLayout = QGridLayout(self.gridLayoutWidget) </code></pre> <p>Can i directly create a child GridLayout object ?</p> <pre><code>self.main_layout = QtWidge...
<python><qt><user-interface><pyqt><pyqt6>
2023-05-16 15:00:06
0
321
floupinette
76,264,504
1,422,096
Bottle server with WebSocket (without other third-party libraries)
<p>I have read <a href="https://stackoverflow.com/questions/10316374/bottle-websocket">Bottle + WebSocket</a> and the Github project <a href="https://github.com/zeekay/" rel="nofollow noreferrer"><code>bottle-websocket</code></a>, but they all use <code>gevent</code>, or other third party tools.</p> <p>Question: nowada...
<javascript><python><websocket><wsgi><bottle>
2023-05-16 14:58:26
0
47,388
Basj
76,264,426
8,206,522
How to use django-rules predicates with nested serializers
<p>I have a few models in my application which use <a href="https://github.com/dfunckt/django-rules" rel="nofollow noreferrer">django-rules</a> to define permissions. More precisely, I have <code>predicates</code> which are used in the <code>rules_permissions</code> (inside the model's <code>Meta</code>) dictionary, un...
<python><django><django-rest-framework><django-rules>
2023-05-16 14:50:43
0
1,377
Kacperito
76,264,399
7,408,462
HTTP Post Headers not arriving in nifi
<p>I'm quite new to NiFi.</p> <p>I am sending an HTTP post containing a file and some headers to Nifi, using Python:</p> <pre><code> headers = { &quot;filename&quot;: &quot;Filename&quot;, &quot;response_url&quot;: &quot;https://...&quot;, &quot;file_id&quot;: &quot;123&quot;} requests.post(NIFI_URL, f...
<python><apache-nifi>
2023-05-16 14:47:21
1
3,072
Florian H
76,264,347
8,248,194
Using f-string inside a method
<p>I have code that looks like this:</p> <pre class="lang-py prettyprint-override"><code>from dataclasses import dataclass @dataclass class Example: a: str b: str c: str def repeated_code(self): if self.c == 'A': if self.a != &quot;&quot;: print(f&quot;as {self....
<python><f-string>
2023-05-16 14:41:15
1
2,581
David Masip
76,264,271
14,309,411
Is Django 4 async faster then sync queries
<p>I'm trying to do an exercise to evaluate the value of upgrading to Django 4 and changing some of the queryset to async.</p> <p>To try and assess performance, I've created a couple of views to assess sync vs async and at present I can't see any performance improvement when communicating with the database.</p> <p>Firs...
<python><django>
2023-05-16 14:34:36
0
490
Salaah Amin
76,264,205
9,052,139
In Langchain, why ConversationalRetrievalChain not remembering the chat history and Entering new ConversationalRetrievalChain chain for each chat?
<p>I am trying to create an customer support system using langchain. I am using text documents as external knowledge provider via TextLoader</p> <p>In order to remember the chat I using ConversationalRetrievalChain with list of chats</p> <p>My problem is, each time when I execute <code>conv_chain({&quot;question&quot;:...
<python><openai-api><langchain><large-language-model>
2023-05-16 14:26:49
3
1,004
RagAnt
76,264,194
2,112,406
Finding frequency of characters in a very large file
<p>I have a text file that is ~4G big. I want to get the frequency of each character. Some lines start with a special character and they will be ignored. What is the fastest way to do this in python? I am trying the following:</p> <pre><code>import time letters = {&quot;A&quot;:0, &quot;G&quot;: 0, &quot;T&quot;:0, &qu...
<python><file-io>
2023-05-16 14:25:56
3
3,203
sodiumnitrate
76,264,176
4,646,416
Odoo POS - Closing session gives bad query SQL error
<p>I am trying to close a session in Odoo 13 but I am getting the following error:</p> <p><a href="https://i.sstatic.net/HkquI.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/HkquI.png" alt="Model: Payments (account.payment), Field: Payment Method (payment_method_id)', None) " /></a></p> <p>I checked the...
<python><session><odoo><point-of-sale>
2023-05-16 14:23:54
1
731
Hassan Yousuf
76,263,997
3,247,006
How to leave the 1st inline object when trying to delete all inline objects on "Change" page in Django Admin?
<p>I have <code>Person</code> model and <code>Email</code> model which has the foreign key of <code>Person</code> model as shown below:</p> <pre class="lang-py prettyprint-override"><code># &quot;models.py&quot; class Person(models.Model): name = models.CharField(max_length=20) def __str__(self): retu...
<python><django><django-models><django-admin><admin>
2023-05-16 14:05:44
1
42,516
Super Kai - Kazuya Ito
76,263,735
294,930
iterator yielding n-tuples from an iterator as oneliner expression
<p>What I'm looking for is a oneliner-variant of the function <code>batched(iterable, n)</code> described in the code section of <a href="https://docs.python.org/3/library/itertools.html#itertools-recipes" rel="nofollow noreferrer">Itertools Recipes</a> that will batch data into tuples of a certain length.</p> <p>Assum...
<python><generator><one-liner>
2023-05-16 13:40:06
1
976
antiplex
76,263,618
1,952,636
How conf VS Code for correct lib resolving when works with several venv?
<p>We use python 3.11, poetry and VS Code.</p> <p>I have ~/workspace folder where store two services. Each service has own in-project poetry venv, and all service's specified modules doesn't correctly identified by VS Code.</p> <p>How make correct linking?</p> <p><a href="https://i.sstatic.net/Ojba8.png" rel="nofollow ...
<python><visual-studio-code><python-poetry>
2023-05-16 13:29:23
1
605
Gulaev Valentin
76,263,483
162,059
use_2to3 is invalid WITH a downgraded setuptools<58.0
<p>I am facing an issue which has been discussed at length, and in many many forums, github issues, stack overflow questions, and so on.</p> <p>To name a few:</p> <p><a href="https://stackoverflow.com/questions/72414481/error-in-anyjson-setup-command-use-2to3-is-invalid">Error in anyjson setup command: use_2to3 is inva...
<python><setuptools>
2023-05-16 13:17:26
2
1,021
Fotis Paraskevopoulos
76,263,424
3,112,724
In wagtail, how to include a ForeignKey for a snippet with a panel that lets you add/create new items?
<p>Having a snippet &quot;Scientist&quot; and another snippet &quot;Country&quot;. When editing Scientist, it shows a dropdown with all the countries. I'm trying to find a way to also show an &quot;Add new&quot; so the editor can add a new country directly from the Scientist's change form.</p> <p>Currently, they should...
<python><django><wagtail>
2023-05-16 13:11:23
0
1,206
Pere Picornell
76,263,419
11,065,874
how fastapi async works?
<p>I have this small fastapi application</p> <pre><code># run_sync_8001.py import time import uvicorn from fastapi import FastAPI, Query app = FastAPI() @app.get(&quot;/&quot;) def sleep(n: int = Query()): time.sleep(n) return &quot;Done&quot; def main(): uvicorn.run( &quot;run_sync_8001:app&q...
<python><asynchronous><python-asyncio><fastapi>
2023-05-16 13:11:03
1
2,555
Amin Ba
76,263,405
3,515,174
ParamSpec types PEP 612
<p>With Python 3.11</p> <p>Taking the example here, <a href="https://peps.python.org/pep-0612/#semantics" rel="nofollow noreferrer">https://peps.python.org/pep-0612/#semantics</a></p> <pre class="lang-py prettyprint-override"><code>P = ParamSpec(&quot;P&quot;) U = TypeVar(&quot;U&quot;) class Y(Generic[U, P]): f: Ca...
<python><type-hinting>
2023-05-16 13:09:50
0
4,502
Mardoxx
76,263,364
4,744,224
What would be the simplest way to gather all database queries run during a single HTTP request?
<p>We're using SQLAlchemy and FastAPI. Because of fast moving requirements and some lax practices, we have a few endpoints that are running way more queries than needed (the classic n+1 problem, basically), with all the consequences for performance we all know about. I'd like to tackle this problem, but as usual, good ...
<python><sqlalchemy><fastapi>
2023-05-16 13:05:38
0
386
Nacho
76,263,300
5,618,251
Convert time from NetCDF to decimal years in Python
<p>I have a NetCDF file with time in units 'hours since 1990-01-01T00:00:00Z'. I have managed to transform these data into table format (YYYY,MM,DD,hh,mm,ss). How can I transform these data in a data array with decimal years? Thanks</p> <pre><code># Extract time variable time_gmb = dataset['time'][:] time_gmb.data; # C...
<python><date><datetime><time>
2023-05-16 12:59:05
0
361
user5618251
76,263,069
3,341,533
python logging with custom handler for Azure Blob Storage on the root logger
<p>I'm having a problem adding a custom logging Handler using an Azure Blob Storage append blob when I try to add this to the root logger. It works fine if I add this to a separate named app logger instead of the root logger, but then my imported module loggers will not propagate to that application level logger.</p> ...
<python><logging><azure-blob-storage>
2023-05-16 12:31:41
1
1,032
BioData41
76,262,967
1,205,158
pandas & excel: keeping trailing zero in number stored as string
<p>I have a small Excel spreadsheet I'm reading in a Python script using the pandas package. There is a column with what can look like a number (such as &quot;1.10&quot;) that's stored as string and when I access the cell in the Python script, it's extracted as a float and the trailing zero is not present:</p> <pre><c...
<python><pandas><excel>
2023-05-16 12:19:28
1
339
John
76,262,928
1,593,077
How to run pip on system with no outgoing DNS or HTTP access?
<p>I'm working on a machine M1 on which I need to install some python stuff using pip. This system is on an internal network. For reasons, it doesn't have a DNS server configured, nor can it open connections to arbitrary machines on the Internet. It can basically just connect to the machine I'm contorlling it from, M2,...
<python><installation><pip><proxy><tunnel>
2023-05-16 12:15:21
2
137,004
einpoklum
76,262,913
386,861
How to change background of Altair plot in VSCode
<p>I have a plot created using pandas and altair using the following code in VSCode</p> <pre><code>alt.Chart(df).mark_point().encode( alt.X(&quot;fertility&quot;), alt.Y(&quot;cluster&quot;) ) </code></pre> <p>How do I change the background colour? I'd rather like the background white or off-white.</p> <p><a hr...
<python><pandas><altair>
2023-05-16 12:13:30
1
7,882
elksie5000
76,262,881
13,038,144
Unpacking multi-level python dictionary into a list of dictionaries
<p>I have a multi-level dictionary as my input. The first level of the dictionary represents a coordinate (e.g. <code>x</code>, <code>y</code>, <code>angle_z</code>, ...). The second level represents all the possible values for that coordinate. The following level represents all the other coordinates whose value should...
<python><list><dictionary><recursion>
2023-05-16 12:10:35
1
458
gioarma
76,262,837
21,420,742
Creating a column with sum of multiple columns grouped by name in panda
<p>I have a dataset and I need to get the sum from two other columns and group them by name.</p> <p>DF</p> <pre><code> a b c Joe 1 0 Joe 1 0 Joe 0 1 Adam 1 0 Adam 0 1 Adam 0 0 </code></pre> <p>Desired Output:</p> <pre><code> a b ...
<python><python-3.x><pandas><dataframe><group-by>
2023-05-16 12:04:41
1
473
Coding_Nubie
76,262,812
5,140,756
Error in Python lib argparse method parse_args()
<p>I am writing my Integration Tests code then I have a Parent <code>BaseTestClass</code> class to be extended to the children's classes. The Parent Base Class should read dynamic properties from the resource <code>yaml</code> files to be easy to change the environment etc. The test framework to be used is <code>pytest...
<python><pytest><argparse>
2023-05-16 12:01:51
1
4,283
Augusto
76,262,801
6,535,324
Pycharm find usages of duck typed property
<p>Consider the following (meaningless) minimal example:</p> <pre class="lang-py prettyprint-override"><code>class MyClass: def __init__(self, some_list): self._some_list = some_list def __len__(self): return len(self._some_list) @property def get_len(self): return len...
<python><pycharm>
2023-05-16 12:00:59
1
2,544
safex
76,262,545
10,131,952
How to combine AND and OR conditions in django ORM
<p>I have one sql query:</p> <pre class="lang-sql prettyprint-override"><code>select * from sample_table where (istatus = 1 AND ((iCategory = 2 and iType=1) or (iType in (2,3,5))); </code></pre> <p>How can I write the same in Django ORM using filter?</p>
<python><django><django-views><orm>
2023-05-16 11:33:34
1
413
padmaja cherukuri
76,262,494
8,930,395
Pydantic Reponse Model for List of dictionary and Integer
<p>I am migrating to Fastapi from Flask and want to create a pydantic Reponse Model. Below is the response.</p> <pre><code>[ [ { &quot;prob&quot;: 0.504382973684, &quot;server&quot;: &quot;sdkjfhkjsdjh1223&quot; }, { &quot;prob&quot;: 0.378097465773, &quot;server&quot;: &quot...
<python><fastapi><pydantic>
2023-05-16 11:27:56
1
4,606
LOrD_ARaGOrN
76,262,205
18,091,040
Error upgrading pip [Errno2] No such file or directory
<p>I am trying to upgrade pip by doing:</p> <pre><code>pip install --upgrade pip </code></pre> <p>And I got:</p> <pre><code>Defaulting to user installation because normal site-packages is not writeable Requirement already satisfied: pip in /home/VICOMTECH/bdacosta/.local/lib/python3.8/site-packages (22.0.4) Collecting ...
<python><pip>
2023-05-16 10:54:22
2
640
brenodacosta
76,262,104
13,392,257
Can't install pybind on macOS
<p>I am learning pybind and follwing this tutorial <a href="https://pybind11.readthedocs.io/en/stable/installing.html" rel="nofollow noreferrer">https://pybind11.readthedocs.io/en/stable/installing.html</a></p> <p>My actions</p> <pre><code>python3.10 -m venv venv source venv/bin/activate pip install pybind11 </code></p...
<python><c++><pybind11>
2023-05-16 10:42:15
1
1,708
mascai
76,262,087
3,067,485
How to get fields name from Django QuerySet, even when it's an empty set?
<p>A cool binding between Django and Pandas is the ability to construct a <code>DataFrame</code> directly from a <code>QuerySet</code> using:</p> <pre><code>queryset = models.A.objects.filter(...).annotate(...) frame = pd.DataFrame(queryset.values()) </code></pre> <p>Which wonderfully works as long as there is at least...
<python><django><pandas><django-queryset>
2023-05-16 10:41:05
1
11,564
jlandercy
76,262,051
7,064,415
How to set the facecolor of a plot for saved figures
<p>I am working with some code that uses <code>matplotlib v.3.1.2</code> on Docker (<strong>I can't change this</strong>), and I can't figure out how to set the background color of my saved plots to a different color than white (while keeping the <code>fig</code> background white).</p> <p>Looking for a solution, I foun...
<python><matplotlib>
2023-05-16 10:38:21
1
732
rdv
76,262,005
14,860,526
Azure access token and ID token, verification
<p>i'm having problems understanding the verification and validation of a token.</p> <p>I have a server running that is registered on Azure with Application id = SERVER_ID</p> <p>I also have a client application registered on azure with Application id = CLIENT_ID</p> <p>In python with msal library, I can acquire a toke...
<python><azure-active-directory><access-token><azure-ad-msal>
2023-05-16 10:33:34
1
642
Alberto B
76,261,714
7,848,740
Correctly organize time series data on InfluxDB
<p>I'm super new to time series database and I've just approached the use of InfluxDB with Python.</p> <p>I'm trying to understand <strong>what's the best way to organize data</strong>.</p> <p>The system I need to monitor is basically a <strong>cluster of sensors</strong>. The data acquisition will be in real-time but ...
<python><time-series><influxdb>
2023-05-16 09:59:00
1
1,679
NicoCaldo
76,261,685
1,680,859
TypeError for get_nasdaq_symbols()
<p>When writing:</p> <pre><code>from pandas_datareader.nasdaq_trader import get_nasdaq_symbols traded_symbols = get_nasdaq_symbols() </code></pre> <p>it gives &quot;TypeError: read_csv() takes 1 positional argument but 2 positional arguments (and 3 keyword-only arguments) were given&quot;:</p> <pre><code>65 # For p...
<python><stock><pandas-datareader><asset-management>
2023-05-16 09:56:26
1
1,194
user1680859
76,261,677
12,774,913
ChatGPT API - creating longer JSON response bigger than gpt-3.5-turbo token limit
<p>I have some use case for ChatGPT API which I don't know how to handle.</p> <p>I'm creating Python app and I have method which creates request with some instructions and some data to rewrite for ChatGPT. It looks like this (instructions and data are just some samples in this example):</p> <pre><code>openai.ChatComple...
<python><openai-api><chatgpt-api>
2023-05-16 09:55:40
1
379
hvma411
76,261,635
14,010,653
How to get user defined input for defining threshold in python script
<p>Here basically I'm read a file of <code>h5ad</code>file format of a single cell data.</p> <p>What I'm doing is to read the files and define a filter which I can do manually mean hardcoded which works.</p> <p>My objective is build a function kind of where user just gives a <code>h5ad</code> file as input then define ...
<python><scanpy>
2023-05-16 09:52:07
0
1,016
PesKchan
76,261,597
5,707,440
PyCharm does not find installed submodule
<p>I am trying to use DISK feature matching in my application: <a href="https://github.com/cvlab-epfl/disk" rel="nofollow noreferrer">https://github.com/cvlab-epfl/disk</a><br /> I setup my PyCharm project locally on Windows 10 in C:/Workspace/SFM. DISK is recursively cloned into C:/Workspace/SFM/disk and I ran <code>p...
<python><module><pytorch><pycharm>
2023-05-16 09:46:55
1
941
Grillteller
76,261,400
12,876,940
Irregular WSGI daemon timeouts in remote Django server
<p>I'm hosting a Django server on a virtual machine with Apache, and running into some odd timeouts. Specifically, every so often, the server will drop, with logs only displaying <code>Timeout when reading response headers from daemon process 'XXX-0.0.86': /mypath/myproject/wsgi.py</code>.</p> <p>I'm certain that this ...
<python><django><apache><mod-wsgi><wsgi>
2023-05-16 09:25:09
0
795
Destaq
76,261,336
9,879,869
How to write a file directly to Django FileField?
<p>Is there a way in Python / DJango to write directly to a model's file field?</p> <p>Suppose I have this model</p> <pre><code># models.py class Registry(models.Model): name = models.CharField(max_length=50, blank=True) form = models.FileField( upload_to='registryform', null=True, blank...
<python><django>
2023-05-16 09:19:31
3
1,572
Nikko
76,261,304
12,883,179
Average distance within group in pandas
<p>I have a dataframe like this</p> <pre><code>df = pd.DataFrame({ 'id': ['A','A','B','B','B'], 'x': [1,1,2,2,3], 'y': [1,2,2,3,3] }) </code></pre> <p><a href="https://i.sstatic.net/Ho6Xb.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/Ho6Xb.png" alt="enter image description here" /></a></p> ...
<python><pandas><group-by><euclidean-distance>
2023-05-16 09:15:40
1
492
d_frEak
76,261,177
17,596,179
pytest not collecting test from other folders
<p>I have the following file structure.</p> <pre><code>- tests -unit_tests - jobs - bronze - __init__.py - test_test.py __init__.py test_tradebook.py test_extract_bronze.py test_extract_silver.py test_load_bronze.py test_portfolio.py test_urlbuilder....
<python><pytest>
2023-05-16 09:04:34
0
437
david backx
76,261,152
9,671,120
airflow db reset fails to drop table
<p>The problem manifest itself when running <code>airflow db init</code> and appeared overnight (no change in setup). Is it a broken dependency?</p> <p>The <a href="https://sqlalche.me/e/14/e3q8" rel="nofollow noreferrer">link</a> suggests disconnection - but the error itself looks more a failed table drop when running...
<python><airflow>
2023-05-16 09:01:37
1
386
C. Claudio
76,260,962
4,913,254
Keep rows that values in a column is found in another column
<p>I have a data frame with many column but I show relevant columns only</p> <pre><code>IGV_table[[&quot;Revel_Transcripts&quot;, &quot;Ensembl&quot;]].head(30).to_dict() # Converted to dict so that you can use this two-column dataframe {'Revel_Transcripts': {0: 'ENST00000438426', 1: 'ENST00000438426', 2: 'ENST000...
<python><pandas>
2023-05-16 08:40:54
2
1,393
Manolo Dominguez Becerra
76,260,918
531,971
Extract text from HTML, handling whitespace and <p> and <br> tags like a browser
<p>I am trying to extract text from an XHTML table, as plain text, but preserving the line breaks that would appear <em>if the document were rendered in an HTML renderer</em>. I don't want to preserve the line breaks in the actual raw XML file.</p> <p>The raw table cells contain lots of superfluous whitespace that HTML...
<python><html><beautifulsoup><text-extraction>
2023-05-16 08:36:00
1
3,876
Hydrargyrum
76,260,714
3,302,016
psycopg2.errors.DeadlockDetected: deadlock detected
<h2>PROBLEM</h2> <p>I have a batch Job that runs when user updates a row the UI. User is allowed to update multiple rows simultaneously which will trigger multiple batch jobs each with a unique <code>run_id</code> .</p> <p>This job creates a CSV file and inserts the values into a table (<code>allocations_update</code>)...
<python><postgresql><psycopg2><deadlock><database-deadlocks>
2023-05-16 08:11:57
1
4,859
Mohan
76,260,670
8,602,080
How to create a python package specifically for cp39 and windows 10 with pip wheel
<h2>Problem</h2> <p>I have created a python package with binary components and depending on windows 10 platform. I used various classifiers to specify the target platform and environment:</p> <pre><code> classifiers=( &quot;Development Status :: 5 - Production/Stable&quot;, &quot;Environment :: Console&quot;, ...
<python><pip><python-wheel>
2023-05-16 08:07:09
1
1,366
Georg W.
76,260,552
11,198,558
How can the app inside Docker container get data from SQL Server located on Window host
<p>I have a problem to deploy my app for reading data located on Window host. Specifically, my situation is on the same machine:</p> <ol> <li>The SQL Server installed and managed on Window host,</li> <li>Docker app using engine of wsl2, I'm running a container on it</li> <li>The app running inside the container cannot ...
<python><sql-server><docker>
2023-05-16 07:52:39
0
981
ShanN
76,260,455
8,323,701
Use a formula(contaning calculation involving column names) present in one of the columns of dataframe to perform the actual calculation
<p>I have a dataframe which looks like this:</p> <pre><code>df = pd.DataFrame({'col1':[1,3,5,7],'col2':[2,4,6,8],'col3':['(col1*(1+col2))*col1','col1+col2','col1/col2','col1-col2']}) df col1 col2 col3 0 1 2 (col1*(1+col2))*col1 1 3 4 col1+col2 2 5 6 col1/col2 3 7 8 col1-col2 </code></pre> ...
<python><pandas><dataframe>
2023-05-16 07:41:14
2
323
bakas
76,260,387
5,783,373
Delete the zip file from the server after the user downloads the file in Django
<p>I want to delete the generated zipfile from the server, after the end user downloads it into the local system in Django Python web application.</p> <p>My question is similar to <a href="https://stackoverflow.com/questions/58581479/destroying-file-after-http-response-in-django">this</a> question asked already by anot...
<python><django>
2023-05-16 07:32:28
1
345
Sri2110
76,260,344
10,970,202
Create train and valid dataset in petastorm
<p>Versions : Python3.7.13, Tensorflow-2.9.1, Petastorm-0.12.1</p> <p>In petastorm it seems as if only way to train model using dataset created from petastorm is to <code>fit</code> the model within <code>Reader</code> context manager like below as done in <a href="https://github.com/uber/petastorm/blob/master/examples...
<python><tensorflow><petastorm>
2023-05-16 07:26:17
1
5,008
haneulkim
76,260,160
12,711,193
how to extract text from rolling credits video & save output in text file?
<p>video contains frames,&amp; if we extracted each frame &amp; apply ocr,it will giving same txt results, i want final output contains all credits.</p> <p>i tried easyocr to extract txt ,i got text files contins txt, but almost all files are similar so my goal to get uniueq txt from rolling video</p> <pre><code>import...
<python><artificial-intelligence><ocr>
2023-05-16 07:01:47
0
528
Akash Desai
76,259,807
6,223,346
Generate json schema and validate json against the schema
<p>How do I generate a JSON schema in Python for the below JSON and validate every json against the schema?</p> <p>Requirements:</p> <ul> <li>There is a type which can be CSV or JSON or JSON</li> <li>There is a list of properties.</li> <li>Each property has a key which is a column name and the value is a dict which def...
<python><json><jsonschema><jsonschema2pojo><python-jsonschema>
2023-05-16 06:01:53
2
613
Harish
76,259,504
85,248
Translation from R to Python (data.table -> pandas): how to replace with values from another column?
<p>I am translating R code to Python. The R code performs a transformation on a <code>data.table</code> object. The typical datasets processed by this code are ~30k rows. My initial attempt fell short, or so I thought, so for testing, I have created a small <code>data.table</code> that is easier to work with, with the ...
<python><r><pandas><dataframe><data.table>
2023-05-16 04:54:40
0
8,807
James Adams
76,259,451
132,438
Incompatible version of 'pyarrow' installed, how to fix?
<p>At first I got the error <code>UserWarning: You have an incompatible version of 'pyarrow' installed (7.0.0), please install a version that adheres to: 'pyarrow&lt;6.1.0,&gt;=6.0.0; extra == &quot;pandas&quot;'</code></p> <p>Then I followed the advice on <a href="https://stackoverflow.com/questions/63953939/snowflake...
<python><snowflake-cloud-data-platform><pyarrow>
2023-05-16 04:40:24
2
59,753
Felipe Hoffa
76,259,007
4,281,353
spacy - how to load a downloaded pretrained pipeline
<p>How to load the downloaded pretrained pipeline and where is it explained in the document?</p> <pre><code>import spacy spacy.cli.download(&quot;en_core_web_sm&quot;, False, False, &quot;--target&quot;, &quot;/tmp/spacy&quot;) nlp = spacy.load(&quot;/tmp/spacy/en_core_web_sm&quot;) </code></pre> <pre><code>-----------...
<python><spacy-3>
2023-05-16 02:30:27
0
22,964
mon
76,258,950
8,081,835
How to create mini-batches of predefined sizes from a sparse 2D matrix in Python?
<p>I have a sparse 2D matrix saved on a disk (<code>.npz</code> extension) that I've created in preprocessing step with <code>scipy.sparse.csr_matrix</code>. It is a long sequence of piano-roll (a numerical form of MIDI representation) format 1-channel image. I cannot convert whole matrix to dense representation - it w...
<python><matrix><scipy><sparse-matrix><mini-batch>
2023-05-16 02:13:20
0
771
Mateusz Dorobek
76,258,913
10,610,620
Recursive N-nested for loops with N assignments
<p>I'm trying to do bitwise logical operations over a series of vectors. I think I need recursion, but I'm not sure how to get the recursion implemented and assign the values I need during recursion.</p> <p><em>Note: I know this is terribly slow and the complexity is not good, I'm researching probabilities of vector be...
<python><numpy><recursion><bitwise-operators>
2023-05-16 02:02:58
0
446
Yume
76,258,816
6,457,407
Numpy array indexing in C
<p>Is there a simple way to do simple array indexing of a possibly multi-dimensional numpy array in C?</p> <p>My use case is very simple. I have a <code>PyArrayObject *array</code>, and I want the value of <code>array[0]</code>. If the array is one-dimensional, then I want the item at that index. If the array is mult...
<python><numpy>
2023-05-16 01:23:01
0
11,605
Frank Yellin
76,258,778
8,481,155
Python Unit Test Mock for Pandas max variable
<p>I have a function which throws an exception when the max of column A is equal to a number (say 5). I want to unittest this function to check if it throws the Exception.</p> <p>main.py</p> <pre><code>import pandas as pd class DuplicateRunError(Exception): def __init__(self, value): self.value = value de...
<python><python-3.x><pandas><python-unittest><python-unittest.mock>
2023-05-16 01:06:45
1
701
Ashok KS
76,258,771
10,441,038
How to write "set batch operation" in Python?
<p>I'm a beginner in Python.</p> <p>The codes that works is following:</p> <pre><code>a_set = set('a', 'b', 'c') result_set = set() for str1 in a_set: res = 'prefix-' + str1 result_set.add(res) </code></pre> <p>The codes I want is similar to:</p> <pre><code>a_set = set('a', 'b', 'c') result_set = set('prefix-' ...
<python><set><union>
2023-05-16 01:04:24
2
2,165
Leon