QuestionId int64 74.8M 79.8M | UserId int64 56 29.4M | QuestionTitle stringlengths 15 150 | QuestionBody stringlengths 40 40.3k | Tags stringlengths 8 101 | CreationDate stringdate 2022-12-10 09:42:47 2025-11-01 19:08:18 | AnswerCount int64 0 44 | UserExpertiseLevel int64 301 888k | UserDisplayName stringlengths 3 30 ⌀ |
|---|---|---|---|---|---|---|---|---|
76,239,640 | 11,199,298 | Selenium error on Chrome version 113- Message: javascript error: Object.hasOwn is not a function | <p>Chrome has been updated recently and some of the functions raises</p>
<pre><code>selenium.common.exceptions.JavascriptException: Message: javascript error: Object.hasOwn is not a function
(Session info: chrome=113.0.5672.93)
</code></pre>
<p>This happens for clicks, and find_elements and I can't find any solution ... | <python><selenium-webdriver><selenium-chromedriver> | 2023-05-12 20:09:40 | 2 | 2,211 | Tugay |
76,239,626 | 2,178,774 | xarray: preprocess for nearest Lat/Lon non-NaN variable | <p>Each <code>latitude</code>/<code>longitude</code> location in the dataset is associated with typically one <code>sss</code> value per day. I would like to retrieve the <code>sss</code> value nearest to a specified location on a given day. For example, find the <code>sss</code> value nearest to <code>latitude=-89.88<... | <python><geospatial><python-xarray> | 2023-05-12 20:07:05 | 0 | 516 | There |
76,239,472 | 12,436,050 | Merge two pandas dataframes on multiple columns | <p>I have two dataframes and I would like to join these dataframes based on column 'Name' of df1 and multiple columns of df2.</p>
<pre><code>df1
Name id
ZYMAXID 9416X 6390
ZYPRED 6391
df2
label pref_label alt_label
ZYPRED None None
None ZYMAXID 9416X None
</code></pre>
<p>The f... | <python><pandas><dataframe> | 2023-05-12 19:41:19 | 3 | 1,495 | rshar |
76,239,464 | 1,739,325 | How to properly set st.session_state in streamlit | <p>So I have such sample code. As you can see locale setted twice. However I keep getting error:</p>
<p><em>AttributeError: st.session_state has no attribute "locale". Did you forget to initialize it? More info: <a href="https://docs.streamlit.io/library/advanced-features/session-state#initialization" rel="no... | <python><attributeerror><streamlit> | 2023-05-12 19:40:11 | 1 | 5,851 | Rocketq |
76,239,461 | 489,088 | How to properly specify the type of a local array in Numba? | <p>I have a local array declared in a cuda-compiled numba kernel:</p>
<pre><code>from numba import cuda, types
@cuda.jit((types.void(), device=True)
def A():
arr = cuda.local.array(30, dtype=types.int64)
</code></pre>
<p>I need then to pass this array to another cuda compiled function:</p>
<pre><code>@cuda.jit((ty... | <python><python-3.x><cuda><numba> | 2023-05-12 19:39:45 | 1 | 6,306 | Edy Bourne |
76,239,420 | 3,908,009 | How does Celery worker run the code defined elsewhere in a task? | <p>I tried reading official documentation as well as other SO threads, but it is still not clear how Celery works.</p>
<p>From what I understand:</p>
<ol>
<li><strong>Django app</strong>: Celery is installed in Django (or any app) where <code>@shared_task</code> decorator function defines the work to be performed.</li>... | <python><django><celery><message-queue><django-celery> | 2023-05-12 19:33:03 | 1 | 1,086 | Neil |
76,239,350 | 10,576,322 | Options for configuration of python libraries | <p>I wrote a library around a REST API that I am going to use in other libraries or python projects. In this library I need some variables like URLs that I didn't want to hardcode into the library, but make it configurable. I don't want the URL or the USER and so on to be in input in the functions of that library, beca... | <python><configuration><environment-variables> | 2023-05-12 19:21:43 | 0 | 426 | FordPrefect |
76,239,230 | 13,850,111 | Is it possible to connect to a websocket on the same server using Flask? | <p>I'm trying to make a minimal implementation of an API that responds to a POST request by connecting to a websocket on the same server, using <code>Flask</code>, <code>websocket-client</code>, and <code>flask-sock</code></p>
<p>Here is the code:</p>
<pre class="lang-py prettyprint-override"><code>from flask import Fl... | <python><flask><websocket> | 2023-05-12 19:00:51 | 0 | 429 | WhoDatBoy |
76,239,211 | 1,137,713 | How to use typing overrides for pandas, torch, and numpy inputs | <p>I'm currently trying setup overloaded type definitions for my module to show that passing a data type will return the same type. My current module looks like:</p>
<pre><code>class MyModule:
@overload
def __call__(self, inputs: pd.DataFrame) -> pd.DataFrame:
...
@overload
def __call__(sel... | <python><numpy><pytorch><mypy><python-typing> | 2023-05-12 18:57:44 | 1 | 2,465 | iHowell |
76,239,192 | 3,247,006 | How to pass multiple arguments to a template tag with multiple "as" arguments in Django Template? | <p>With <a href="https://docs.djangoproject.com/en/4.2/howto/custom-template-tags/#simple-tags" rel="nofollow noreferrer">@register.simple_tag</a>, I defined the custom tag <code>test()</code> which has 2 parameters as shown below:</p>
<pre class="lang-py prettyprint-override"><code>from django.template import Library
... | <python><django><django-templates><arguments><templatetags> | 2023-05-12 18:53:42 | 1 | 42,516 | Super Kai - Kazuya Ito |
76,239,157 | 7,822,387 | how to call databricks notebook from python with rest api | <p>I want to create a python notebook on my desktop that pass an input to another notebook in databricks, and then return the output of the databricks notebook. For example, my local python file will pass a string into a databricks notebook, which will reverse the string and then output the result back to my local pyth... | <python><databricks><databricks-rest-api> | 2023-05-12 18:47:05 | 1 | 311 | J. Doe |
76,238,864 | 7,339,624 | Center a tensor in pytorch | <p>Cantering means shifting a vector so that its mean will be zero.</p>
<p>I want to center each row of a tensor, for example:</p>
<pre><code>A = |1 , 1| A_center = |0, 0|
|0 , 4| |-2,2|
</code></pre>
<p>For this, I use this approach:</p>
<pre><code>a_center = a - a.mean(dim=1).unsqueeze(1)
</code... | <python><numpy><pytorch><tensor> | 2023-05-12 17:54:42 | 1 | 4,337 | Peyman |
76,238,813 | 3,247,006 | How to apply custom "css" and "js" files to all admins in only one app efficiently? | <p>I have custom <code>css</code> and <code>js</code> files, <code>admin.py</code> and overridden <a href="https://github.com/django/django/blob/main/django/contrib/admin/templates/admin/base.html" rel="nofollow noreferrer">base.html</a> located in <code>templates/admin/app1/</code> as shown below:</p>
<pre class="lang... | <javascript><python><css><django><django-admin> | 2023-05-12 17:46:27 | 1 | 42,516 | Super Kai - Kazuya Ito |
76,238,761 | 9,058,482 | Why does running the following code with os.fork() in a Jupyter Notebook cause the notebook to crash? | <p>I am trying to run the following Python code in a Jupyter Notebook cell that utilizes os.fork() to create a child process. However, the notebook crashes when executing the cell. The code is as follows:</p>
<pre><code>import os
def main():
print("Starting process...")
# Call os.fork() to create a ... | <python><jupyter-notebook> | 2023-05-12 17:38:25 | 1 | 569 | Harsh Kumar Chourasia |
76,238,730 | 12,961,237 | Is a websocket connection handled by one single lambda instance on AWS? | <p>If I have a websocket connection:</p>
<pre><code>client <=> AWS Lambda [Python]
</code></pre>
<p>While a connection is active: Will the client be connected to the same lambda instance for the whole time or can it change?</p>
| <python><amazon-web-services><websocket> | 2023-05-12 17:33:28 | 1 | 1,192 | Sven |
76,238,569 | 2,687,317 | pandas- create new series from multilevel columns and aggregate | <p>So I have some complicated analysis to do. I have this data in a df:</p>
<pre><code> Date/Time TimeStamp CallerId CallType watts Band slot Channel
0 20:02.0 3113677432 17794800 C1 0.060303 12 1 2
1 20:02.0 3113677432 5520488 OP8 0.302229 12 1 1
2 20:02.0 3113677432 55204... | <python><pandas><group-by> | 2023-05-12 17:07:31 | 1 | 533 | earnric |
76,238,519 | 572,575 | Python Cannot search data in Facebook | <p>I want to search data in facebook by using <a href="https://github.com/kevinzg/facebook-scraper" rel="nofollow noreferrer">facebook_scraper</a> like this code</p>
<pre><code>from facebook_scraper import get_posts
for post in get_posts('nintendo', cookies="cookies.json", pages=10):
print(post)
</code><... | <python><facebook><web-scraping> | 2023-05-12 17:01:01 | 0 | 1,049 | user572575 |
76,238,495 | 2,062,470 | python "from datetime import date" gets forgotten | <p>Trying to parse csv dates (climate date) as datetime date objects but somehow "from datetime import date" gets forgotten. The error:
<code>TypeError: 'str' object is not callable</code> is shown when calling date().</p>
<pre><code>import csv
from datetime import date
file = 'nbcn-monthly_SMA_previous.csv'... | <python><datetime> | 2023-05-12 16:57:07 | 1 | 409 | mercergeoinfo |
76,238,414 | 5,605,073 | Recursively lookup value with polars? | <p>I want to be able to get the manager_id of each manager recursively using a polars DF which has two columns:</p>
<p>"employee_id", "manager_1_id"</p>
<p>In pandas, this code was:</p>
<pre><code>id_index = df.set_index("employee_id")["manager_1_id"]
for i in range(1, 12):
d... | <python><dataframe><python-polars> | 2023-05-12 16:43:07 | 2 | 588 | ldacey |
76,238,412 | 2,233,608 | Getting a mypy type error using pydantic generics and don't know why | <p>With the following project setup</p>
<p>pyproject.toml</p>
<pre><code>[tool.poetry]
name = "test"
version = "0.1.0"
description = ""
authors = ["Joe Smith <joe.smith@example.com>"]
[tool.poetry.dependencies]
python = "^3.11"
pydantic = "^1.10.7"
mypy... | <python><mypy><pydantic> | 2023-05-12 16:42:49 | 1 | 1,178 | niltz |
76,238,390 | 13,921,399 | Identify first block in a pandas series based on switching values | <p>Consider the following pandas series:</p>
<pre class="lang-py prettyprint-override"><code>import pandas as pd
s = pd.Series([0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1])
</code></pre>
<p>I want to identify the first block of 1 values. The block starts when 0 switches to 1 for the first time and ends when it swit... | <python><pandas> | 2023-05-12 16:39:52 | 1 | 1,811 | ko3 |
76,238,354 | 6,866,311 | Can't install PyTorch with CUDA enabled on WSL | <p>For the last few months, I've been intermittently running into an issue where I can't install PyTorch with CUDA enabled on WSL on Windows 11.</p>
<p>I use a Windows 11 Desktop PC with an RTX 4090 GPU. The Windows installation has WSL installed and enabled, and I run all my Jupyter Notebooks from WSL.</p>
<p>I used t... | <python><pytorch><gpu><nvidia> | 2023-05-12 16:35:22 | 1 | 549 | Oion Akif |
76,238,268 | 10,634,126 | Retrieve transferred file size from AWS S3 put_object | <p>I have code to upload a file to AWS S3 in Python using <code>boto3.client</code> and <code>put_object</code> like (example below assumes JSON data):</p>
<pre><code>def snapshot(data, path):
s3_client = boto3.client("s3", region_name="us-east-1")
r = s3_client.put_object(
Body=byte... | <python><amazon-web-services><amazon-s3><boto3><filesize> | 2023-05-12 16:23:23 | 0 | 909 | OJT |
76,238,241 | 1,473,517 | How to read and insert an image in a Word document? | <p>I have a skeleton Word document in .docx format that includes an image of my signature. I want to update the document using Python. This works well but the signature image disappears when I do this. How can I read the image from the file and then insert it somewhere? I tried</p>
<pre><code>from docx import Document... | <python><python-docx> | 2023-05-12 16:20:22 | 0 | 21,513 | Simd |
76,238,185 | 15,637,435 | Apply conditional opacity in plotly figure | <h3>Problem</h3>
<p>I'm trying to create a Plotly chart where I would like to apply conditional opacity if an entry is selected (column 'selected': True or False) or not. Unfortunately, the things I tried did not work out. How can I apply conditional opacity to my Plotly chart?</p>
<h2>What I tried</h2>
<p>I tried to h... | <python><plotly> | 2023-05-12 16:12:15 | 2 | 396 | Elodin |
76,238,102 | 3,247,006 | How to show alert messages with the buttons in "Change List" page in Django Admin? | <p>There is <code>Person</code> model as shown below:</p>
<pre class="lang-py prettyprint-override"><code># "app1/models.py"
from django.db import models
class Person(models.Model):
first_name = models.CharField(max_length=20)
last_name = models.CharField(max_length=20)
</code></pre>
<p>And, there i... | <javascript><python><django><django-models><django-admin> | 2023-05-12 16:01:46 | 1 | 42,516 | Super Kai - Kazuya Ito |
76,238,069 | 2,471,211 | EMR - Pyspark, No module named 'boto3' | <p>I am running an EMR with the following creation statement:</p>
<pre><code>$ aws emr create-cluster \
--name "my_cluster" \
--log-uri "s3n://somebucket/" \
--release-label "emr-6.8.0" \
--service-role "arn:aws:iam::XXXXXXXXXX:role/EMR_DefaultRole" \
--ec2-attributes '{&quo... | <python><pyspark><amazon-emr> | 2023-05-12 15:57:22 | 1 | 485 | Flo |
76,237,883 | 5,896,319 | How to display a Foreign key serializer as a dropdown? | <p>I have three different models:</p>
<pre><code>class Province(Model):
province = models.CharField(max_length=250)
class BaseCase(ModelWithStamps):
...
province = models.ForeignKey(Province, null=True, blank=True, on_delete=models.CASCADE)
class Event(BaseEvent):
....
@property
def province(se... | <python><django> | 2023-05-12 15:34:24 | 3 | 680 | edche |
76,237,843 | 1,745,291 | Is it possible to create a dynamic module with a custom `__dict__` class? | <p>When doing <code>module = types.ModuleType('mymodule')</code>, we don't get any chance of doing further customization, and we can't override <code>module.__dict__</code> since it's readonly...</p>
<p>The same seems to apply with all other <code>importlib</code> functions (<code>module_from_spec</code> alike)</p>
<p>... | <python><import><python-importlib> | 2023-05-12 15:30:03 | 1 | 3,937 | hl037_ |
76,237,791 | 14,957,517 | ModuleNotFoundError: No module named 'jax.experimental.vectorize' | <p>I had this issue when I was working on a code that was not mine, and I was really overwhelmed by it for a month without a fixed any help online.</p>
<p>I have jax-0.4.10 installed and Using a Mac book Pro.</p>
<p>I never found any solution online probably because this error was specifically my problem.</p>
| <python><module><vectorization><modulenotfounderror><jax> | 2023-05-12 15:24:22 | 1 | 987 | Cyebukayire |
76,237,762 | 9,937,874 | Pandas select rows where value is in either of two columns | <p>I have a dataframe that looks like this</p>
<pre><code>Title Description
Area 51 Aliens come to earth on the 4th of July.
Matrix Hacker Neo discovers the shocking truth.
Spaceballs A star-pilot for hire and his trusty sidekick must come to the rescue of a princess.
</code></pre>
<p>I am want to s... | <python><pandas> | 2023-05-12 15:21:45 | 2 | 644 | magladde |
76,237,729 | 180,826 | Python, FASTAPI and PlanetScale - I cannot connect to the my MySQL Database because of some strange SSL error | <p>I'm hosting FASTAPI app inside of a docker container. I can build and run docker and run the application perfectly fine in the browser. The issue occurs when I call an API that attempts to talk to my MySQL db from the hosting platform PlanetScale. Provided are my dockerfile:</p>
<p>DOCKERFILE</p>
<pre><code>FROM pyt... | <python><mysql><docker><fastapi> | 2023-05-12 15:17:07 | 0 | 1,221 | Brandon Michael Hunter |
76,237,647 | 3,196,122 | Is there a way to set the color of plotly legend items? | <p>I want to visualize multiple boolean arrays using Scatter traces with timestamps as x and the array-index as y. The values should be visualized using the colors. However, what I do not like is that the colors of the legend items are always set to the first element of these traces. Is there a way to set the legend it... | <python><colors><plotly><legend><scatter-plot> | 2023-05-12 15:07:28 | 1 | 483 | KrawallKurt |
76,237,511 | 3,692,455 | Unable to validate a YAML file using PyYAML library | <p>I am trying to validate YAML files using Python and I am using the PyYAML library for that.</p>
<p>But unfortunately, it reports any files it checks as valid YAML files, not only YAML files. I am not sure why.</p>
<p>Below is the Python script. Suppose you pass a sample bash script <code>file_path = './testbashscrip... | <python><python-3.x><pyyaml> | 2023-05-12 14:54:29 | 1 | 903 | vjwilson |
76,237,417 | 12,155,713 | How to combine multiple crosstabs while preserving same binary column | <p>I would like stack 2 crosstabs for 2 categorical variables (gender, race) while preserving the same binary variable (goal) as columns.</p>
<p>Take for example this dataset:</p>
<pre><code>df = pd.DataFrame({'GenderDSC':['Male','Female','Female','Male','Male','Male'],
'Goal':[0,1,0,1,0,0],
'... | <python><pandas><pivot-table> | 2023-05-12 14:41:29 | 2 | 354 | Gabe Verzino |
76,237,353 | 5,389,418 | Unable to import module 'vc__handler__python' | <p>I am trying to deploy django web app through vercel. I have added django in requirements.txt file but it shows this error:</p>
<p><code>[ERROR] Runtime.ImportModuleError: Unable to import module 'vc__handler__python': No module named 'django'</code></p>
<p>Feel free to share if it can be fixed.</p>
| <python><django><vercel><modulenotfounderror> | 2023-05-12 14:32:57 | 0 | 506 | Leo |
76,237,292 | 239,879 | My Transformer Encoder / Decoder has the same values for all time steps in eval with PyTorch | <p>I have a model:</p>
<pre><code># model.py
import torch
import torch.nn as nn
import math
class TransformerAutoencoder(nn.Module):
def __init__(self, d_model, nhead, num_layers, dim_feedforward, dropout=0.0):
super(TransformerAutoencoder, self).__init__()
self.encoder = nn.TransformerEncoder(
... | <python><pytorch><transformer-model> | 2023-05-12 14:26:07 | 0 | 43,875 | Shamoon |
76,237,273 | 9,318,323 | Get info about Jenkins job from within python while the job is running | <p>So, I have this python script on Jenkins.</p>
<p>I would like to write a function that, when called from Jenkins pipeline, will tell me which job it belongs to and ideally a link to the job itself.</p>
<p><strong>Basically, the script must know that it is being run on Jenkins and tell which job / pipeline is running... | <python><jenkins><jenkins-pipeline> | 2023-05-12 14:22:58 | 1 | 354 | Vitamin C |
76,237,230 | 10,895,042 | Python: function only works when created inside main code, not when imported with from functions import * | <p>I'm finding lots of variations on this question on Stackoverflow, but not quite the same:</p>
<p>I have something like the code below. If I define it within my main code it will find <em>df</em>, even when <em>df</em> itself is only defined after this function definition. It also works as expected: <em>df</em> is ta... | <python><import><scope> | 2023-05-12 14:19:29 | 2 | 833 | StephanT |
76,237,219 | 5,050,431 | LangChain: ValueError: 'not' is not a valid parameter name | <p>I am using 3.11.3 and langchain 0.0.166 on Windows. When I try and run</p>
<p><code>from langchain.document_loaders import UnstructuredPDFLoader</code></p>
<p>I get an error of</p>
<blockquote>
<p>ValueError "'not' is not a valid parameter name"</p>
</blockquote>
<p>It seems like FastAPI had this <a href="... | <python><python-3.11><py-langchain> | 2023-05-12 14:18:19 | 1 | 4,199 | A_Arnold |
76,237,114 | 3,412,607 | XSL to flatten XML converted Pandas dataframe | <p>I have the following XML Structure:</p>
<pre><code><ml:Meals xmlns:ml="http://www.food.com">
<ml:Meal>
<ml:type>lunch</ml:type>
<ml:main_course>turkey sandwich</ml:main_course>
<ml:desert ml:Descriptor="cookie">
<ml:ID ml:type="... | <python><pandas><xml><xslt><lxml> | 2023-05-12 14:05:25 | 2 | 815 | daniel9x |
76,237,040 | 5,531,578 | combine multiple GridSearchCV instances | <p>I could save time by splitting up parameters that I would like to put into a GridSearchCV so that I could have further parallelization of parameter space exploration (beyond setting <code>n_jobs</code>).</p>
<p>For instance instead of:</p>
<pre class="lang-py prettyprint-override"><code>all_params = {'n_estimators' ... | <python><scikit-learn><gridsearchcv> | 2023-05-12 13:56:59 | 1 | 303 | BML |
76,237,016 | 5,790,653 | How to show the output of shell commands in Flask python | <p>I started learning Flask recently and I'm at the early stages.</p>
<p>I googled and these are the links I used to help:</p>
<p><a href="https://www.digitalocean.com/community/tutorials/how-to-use-a-postgresql-database-in-a-flask-application" rel="nofollow noreferrer">this</a> and <a href="https://stackoverflow.com/q... | <python><flask> | 2023-05-12 13:54:16 | 1 | 4,175 | Saeed |
76,237,007 | 16,383,578 | How to call class methods during instantiation of frozen dataclasses? | <p>I have a wrapper that adds some methods to a bunch of <code>dataclass</code>es, the <code>dataclass</code>es are all meant to be frozen, and should check the data types of the initialization values during instantiation.</p>
<p>And I also wanted to overload the constructor of the <code>dataclass</code>es, so that the... | <python><python-3.x><python-dataclasses> | 2023-05-12 13:52:36 | 1 | 3,930 | Ξένη Γήινος |
76,236,985 | 1,282,773 | How to compare string enums in python | <p>Let's say I have <code>MyEnum</code> enum, and I want to define total ordering for it. My approach is:</p>
<pre class="lang-py prettyprint-override"><code>from enum import Enum
from functools import total_ordering
@total_ordering
class MyEnum(Enum):
ONE = "one",
TWO = "two",
THREE = ... | <python><enums> | 2023-05-12 13:49:58 | 4 | 6,807 | ivaigult |
76,236,933 | 12,753,007 | Plotting two lines with the same starting point | <p>Given the coordinates of 3 points x, y, z, I would like to join x-y and x-z as 2 line segments, with the same starting point x. But the plot is displaying 2 intersecting lines, with starting and ending points other than x, y, z. I would like some help fixing this.</p>
<pre><code>x = [0, 9]
y = [7, 2]
z = [4, 3]
plt.... | <python><matplotlib> | 2023-05-12 13:44:18 | 0 | 461 | siegfried |
76,236,860 | 8,937,353 | Find all matching points in multiple CSV list | <p>I have 4 CSVs with 5 columns and over 500 rows.
1st column is say Plane. second is Points. 3rd and 4th are x and y coordinates of Points. 5th is Values.
For each Plane, there can be multiple Points. In each CSV Plane is matched. For e.g. Plane = 3 in 1 CSV is also Plane = 3 in other CSVs. But the Points number is di... | <python><csv> | 2023-05-12 13:35:11 | 0 | 302 | A.k. |
76,236,755 | 353,337 | Read XML processing instrutions with attributes | <p>I have an XML file</p>
<pre class="lang-xml prettyprint-override"><code><?xml version="1.0" encoding="UTF-8"?>
<?foo class="abc" options="bar,baz"?>
<document>
...
</document>
</code></pre>
<p>and I'm interested in the processing instruction <code>foo<... | <python><xml><processing-instruction> | 2023-05-12 13:21:04 | 3 | 59,565 | Nico Schlömer |
76,236,652 | 3,247,006 | How to prevent the text in Django Admin to get bigger when overriding "base.css" set in overridden "base.html"? | <p>I could change the header color to black in all admin pages with the following steps.</p>
<p>So, this is Django Admin as shown below:</p>
<p><a href="https://i.sstatic.net/u9JkE.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/u9JkE.png" alt="enter image description here" /></a></p>
<p>Then, I copied <... | <python><django><django-templates><django-admin><django-staticfiles> | 2023-05-12 13:08:31 | 1 | 42,516 | Super Kai - Kazuya Ito |
76,236,370 | 5,510,713 | GIMP script-fu to ImageMagic conversion | <p>I have written the following GIMP <code>script-fu</code> function to remove lens distortion from an image using the <code>lens-distortion-plugin</code>. I execute this script through a command line function from my main python script. Just wondering if there is an equivalent ImageMagic function (or any other library... | <python><python-3.x><imagemagick><gimp><gimpfu> | 2023-05-12 12:35:17 | 0 | 776 | DhiwaTdG |
76,236,236 | 11,311,927 | Is it possible to create mock data using pydantic-factories in such a way that attributes adhere to pydantic validator requirements? | <p>I'm trying to create some mock data, where one of my classes (for which I specified a Pydantic dataclass by inheriting from <code>Pydantic.BaseModel</code>) has date attributes. I want to make sure that the <code>end_date</code> is always later than the <code>start_date</code>, and validate this using the pydantic v... | <python><validation><attributes><factory><pydantic> | 2023-05-12 12:21:06 | 2 | 315 | Sam |
76,235,975 | 8,838,303 | Why does this dictionary suddenly become empty? | <p>I have a CSV file "country.csv" that looks precisely like this:</p>
<pre><code>Country Code,Country Name,Country-ID
US,United States,0
DE,Germany,1
AU,Australia,2
CZ,Czechia,3
CA,Canada,4
AR,Argentina,5
BR,Brazil,6
PT,Portugal,7
GB,United Kingdom,8
IT,Italy,9
GG,Guernsey,10
RO,Romania,11
ES,Spain,12
FR,Fra... | <python><csv><dictionary> | 2023-05-12 11:47:34 | 1 | 475 | 3nondatur |
76,235,910 | 9,479,564 | Using scipy.optimize.curve_fit does not fit curve properly | <p>I want to fit a random time series segment to a predefined list of functions. For demo purposes, I only use the sine function and a demo time series.</p>
<pre class="lang-py prettyprint-override"><code>amplitude = 1
omega = 2
phase = 0.5
offset = 4
def sine(x, a, b, c, d):
"""Sine function"&qu... | <python><numpy><scipy><curve-fitting> | 2023-05-12 11:37:57 | 0 | 888 | Oddaspa |
76,235,874 | 15,295,149 | Downgrade Python from 3.11.2 to 3.10 in specifc environment | <p>I am using Python's virtual environment 'venv'. My current version is 3.11.2</p>
<p>I need to downgrade it.</p>
<p>I have already tried the following steps:</p>
<pre><code>pip3 install python==3.10.10
</code></pre>
<p>and got the following error:</p>
<p><strong>ERROR: Could not find a version that satisfies the requ... | <python><python-3.x> | 2023-05-12 11:32:02 | 2 | 746 | devZ |
76,235,868 | 11,065,874 | In python pytest, How do I start a new runtime for each test function? | <p>I have a singlton function that I want to test as below:</p>
<pre><code>import abc
class SingletonABCMeta(abc.ABCMeta):
_instances = {}
def __call__(cls, *args, **kwargs):
if cls not in cls._instances:
cls._instances[cls] = super(SingletonABCMeta, cls).__call__(*args, **kwargs)
... | <python><pytest><singleton> | 2023-05-12 11:31:07 | 1 | 2,555 | Amin Ba |
76,235,454 | 13,734,451 | Using np.where to create a column | <p>I would like to create number of days based on two variables. If the units are in week, multiply the <code>nums</code> by 7, if by month by 12 and 365 if by year. Am unable to achieve this...any leads??</p>
<pre><code>import pandas as pd
import numpy as np
nums = [2, 3, 4, 1, 4, 2, 4, 11, 1, 1]
units = ['days', 'we... | <python><pandas><numpy> | 2023-05-12 10:37:48 | 1 | 1,516 | Moses |
76,235,423 | 10,441,038 | How to specify discrete color of markers in Plotly.graph_objects? | <p>After a lot of searching, I still have <strong>NOT</strong> found how to specify discrete color mapping for markers in a scatter figure that created by plotly.<strong>graph_objects (instead of plotly.express)</strong>.</p>
<p>There are some docs about specifying discrete color mapping of plotly, but all of them are ... | <python><colors><plotly><visualization><plotly.graph-objects> | 2023-05-12 10:33:43 | 1 | 2,165 | Leon |
76,235,372 | 8,699,450 | Why is multiplying a 62x62 matrix slower than multiplying a 64x64 matrix? | <p>Using the code below (in a google colab), I noticed that multiplying a <code>62x62</code> with a <code>62x62</code> is about 10% slower than multiplying a <code>64x64</code> with another <code>64x64</code> matrix. Why is this?</p>
<pre class="lang-py prettyprint-override"><code>import torch
import timeit
a, a2 = to... | <python><performance><pytorch><matrix-multiplication> | 2023-05-12 10:27:11 | 0 | 380 | Robin van Hoorn |
76,235,238 | 4,471,415 | Ignoring malformed utf8 in python3 | <p>I have a script to convert xml to text (extract document content sans xml tags) that needs to deal with corrupt xml files.</p>
<p>The corruption comes from a partially decoded zip file, so there may be a utf8 character that got truncated. <code>lxml</code> throws an error when encountering the last few bytes.</p>
<p... | <python><lxml> | 2023-05-12 10:08:48 | 1 | 628 | Reinstate Monica |
76,235,197 | 18,904,265 | How to handle Exceptions in a series of functions, which call another? | <p>I have multiple functions, which are chained together, something like this:</p>
<pre class="lang-py prettyprint-override"><code>def first_function(params):
value = None
try:
value = some_api_call(params)
except ValueError:
print("some ValueError Message!")
if value is not No... | <python> | 2023-05-12 10:02:59 | 2 | 465 | Jan |
76,235,139 | 12,430,846 | Read a large TAD data with Dask | <p>I have a very large dataframe. It was originally a TAD file. Someone saved it with CSV extension.</p>
<p>I was trying to read it in pandas but it takes hours, even with <a href="https://pandas.pydata.org/docs/reference/api/pandas.read_csv.html" rel="nofollow noreferrer">chunksize</a> parameter.</p>
<pre><code>start ... | <python><pandas><dask> | 2023-05-12 09:56:21 | 0 | 543 | coelidonum |
76,235,109 | 6,165,496 | Missing dependency 'openpyxl' when using pandas in Lambda | <p>I'm trying to read an excel file from S3 using pandas in Lambda. To make pandas work in my Lambda function I've created a custom layer. This custom layer uses a zip file which I've created using the following script:</p>
<pre><code>python3 -m pip install wheel
curl -LO https://files.pythonhosted.org/packages/e9/d7/e... | <python><pandas><amazon-web-services><aws-lambda> | 2023-05-12 09:51:55 | 1 | 1,284 | RudyVerboven |
76,235,000 | 1,145,666 | Information sent in DELETE body is not processed by CherryPy | <p>I have this Javascript (jQuery) code:</p>
<pre><code>$.ajax({
url: `/rest/order`,
type: 'DELETE',
data: { "magentoid": order_id },
success: function(data) {
},
error: function(xhr, status, error) {
}
});
</code></pre>
<p>And when checking this call in the Chrome developer consol... | <javascript><python><jquery><cherrypy><http-delete> | 2023-05-12 09:38:27 | 0 | 33,757 | Bart Friederichs |
76,234,895 | 3,679,054 | Problem with Qt Designer - pglive integration for real-time plotting | <p>I followed the tutorial on the <a href="https://pypi.org/project/pglive/" rel="nofollow noreferrer">pglive docs</a> and I was able to have a real-time sine plot on my computer. Then I used an arduino to stream some random number through the serial port and I was able to read and plot the data using pglive.</p>
<p>No... | <python><pyqt><real-time><qt-designer><pyqtgraph> | 2023-05-12 09:24:12 | 1 | 421 | Sfrow |
76,234,657 | 4,255,096 | Pandas: Shorten string for multiple columns | <p>I have a pandas dataframe with over 100 columns, a good portion of them are type string but not all of them. I want to find a way to shorten the length each column for those rows that exceed a certain length.</p>
<p>What would be a sensible approach to do this?</p>
<p>I thought about storing which columns I want to ... | <python><pandas><dataframe> | 2023-05-12 08:53:30 | 1 | 375 | Geosphere |
76,234,472 | 19,318,120 | Django Inline for m2m field | <p>I've a Page model with m2m field to model called content
I created an inline page but when testing the performance with django silk, I saw 11 queries mostly because of language field that's being fetched at least 4 times
here's my code:</p>
<p>models.py</p>
<pre><code>class Page(models.Model):
created_at = model... | <python><django> | 2023-05-12 08:28:25 | 0 | 484 | mohamed naser |
76,234,452 | 2,562,058 | ClobberWarning with a simple conda build | <p>I am trying to build a simple package (only python code) and I get this warning:</p>
<pre><code>ClobberWarning: This transaction has incompatible packages due to a shared path.
packages: conda-forge/noarch::tomli-2.0.1-pyhd8ed1ab_0, conda-forge/osx-arm64::mypy-1.2.0-py311he2be06e_0
path: 'lib/python3.11/site-pac... | <python><anaconda><conda><miniconda><conda-build> | 2023-05-12 08:27:03 | 1 | 1,866 | Barzi2001 |
76,234,354 | 1,020,139 | How does Poetry associate a project to its virtual environment? | <p>How does Poetry associate a project to its virtual environment in <code>~/.cache/pypoetry/virtualenvs</code>? I can't find any link inside the project, e.g. <code>grep -ie NKJBdMnE .</code> returns nothing.</p>
<p><code>poetry env info</code>:</p>
<pre><code>Virtualenv
Python: 3.10.11
Implementation: CPython... | <python><python-poetry> | 2023-05-12 08:10:34 | 1 | 14,560 | Shuzheng |
76,234,337 | 404,109 | langchain\\chains\\llm_summarization_checker\\prompts\\create_facts.txt error when try to package python file | <p>I tried to <code>pyinstaller</code> package my python file which uses <code>langchain</code>. i.e it imports:</p>
<pre><code>from langchain.text_splitter import CharacterTextSplitter
from langchain.embeddings.openai import OpenAIEmbeddings
from langchain.vectorstores import FAISS
from langchain.chains.question_answe... | <python><pyinstaller><langchain> | 2023-05-12 08:07:28 | 6 | 1,059 | Jason |
76,234,312 | 13,916,049 | ImportError: cannot import name 'is_categorical' from 'pandas.api.types' | <p>I want to convert <code>file1.hic</code> file into <code>.cool</code> format using <a href="https://github.com/4dn-dcic/hic2cool" rel="noreferrer">hic2cool</a>, which is written in Python. I converted the files using command line:</p>
<pre><code>hic2cool convert file1.hic file1.cool -r 10000
</code></pre>
<p>Traceba... | <python><pandas><linux> | 2023-05-12 08:03:48 | 2 | 1,545 | Anon |
76,234,027 | 21,404,794 | How to sort the index of a pandas.Dataframe to pass pd.testing.assert_frame_equal | <p>I'm using pd.testing.assert_frame_equal to test if a function I've written works as expected, and I'm getting a weird error:</p>
<p>When I compare the 2 dataframes that are printed in exactly the same way (I checked the values are the same with np.array_equal(df1.values, df2.values), so I know they're the same by hu... | <python><pandas><dataframe> | 2023-05-12 07:24:45 | 2 | 530 | David Siret Marqués |
76,233,986 | 20,646,427 | How to upload doc/docx file and return pdf file in FastAPI? | <p>I'm looking for a way to convert word or excel file to pdf file using in my FastAPI project.</p>
<p>I tried to use <code>comtypes</code> library but that didn't help. I guess this library is not what i exactly need</p>
<p>I got an error</p>
<blockquote>
<p>ctypes.ArgumentError: argument 1: TypeError: Cannot put
<... | <python><fastapi> | 2023-05-12 07:20:03 | 0 | 524 | Zesshi |
76,233,888 | 7,752,049 | Scrape data with scrapy | <p>I am going to scrape the Pararius.nl as a practice with scrapy but when I start crawling it returns the fairlane protection, how can I pass it? Do I need any tools? please help with one example</p>
<pre><code>def parse(self, response):
url = 'https://www.pararius.nl/{deal_type}/nederland/p-{page}/'
for ... | <python><scrapy> | 2023-05-12 07:05:30 | 2 | 2,479 | parastoo |
76,233,767 | 9,717,388 | How to implement case-insensitive in SlugRelatedField in drf serializers? | <p>I'm using SlugRelatedField in my serializer. I want to validate it on a case-insensitive basis, so I add postfix "__iexact" to the "slug_field" attr. And validation works as I need (case-insensitive).</p>
<pre><code>class MySerializer(ModelSerializer):
customer = serializers.SlugRelatedField(... | <python><django><django-rest-framework> | 2023-05-12 06:48:14 | 1 | 343 | PolYarBear |
76,233,637 | 1,702,957 | Offline Anaconda Installation package | <p>This is relatively simple question but after surfing on internet for about an hour, I have to ask. I am looking for Anaconda offline installation but couldn't find any link to the installer. According to <a href="https://docs.anaconda.com/anaconda-repository/admin-guide/install/airgap-archive/" rel="nofollow norefer... | <python><installation><anaconda><offline> | 2023-05-12 06:26:56 | 1 | 1,639 | aneela |
76,233,578 | 2,287,458 | Group/Pivot Data Values By First & Last Entry in DataFrame | <p>Let's assume I have the following data (in reality I have millions of entries):</p>
<pre class="lang-py prettyprint-override"><code>import pandas as pd
import numpy as np
import datetime as dt
df_data = pd.DataFrame([
[dt.date(2023, 5, 8), 'Firm A', 'AS', 250.0, -1069.1],
[dt.date(2023, 5, 8), 'Firm A', '... | <python><python-3.x><pandas><dataframe><pivot-table> | 2023-05-12 06:15:48 | 2 | 3,591 | Phil-ZXX |
76,233,570 | 8,236,050 | Show cursor in Selenium Webdriver and s | <p>I am building a Selenium Webdriver script in Python. My issue is that I am performing some actions that consist on moving to a certain position and clicking there. My action is not working, so I wanted to run the script as non headless to see what is happening, but, as the cursor does not appear in the screen, I am ... | <python><google-chrome><selenium-webdriver><selenium-chromedriver><google-chrome-headless> | 2023-05-12 06:14:02 | 2 | 513 | pepito |
76,233,348 | 2,552,290 | idiom for protecting against inexact native division in code that uses sympy? | <p>I am developing some code whose variables and function params are
sometimes native python numeric types (int, float)
and sometimes sympy types
(sympy.core.numbers.Integer, sympy.core.numbers.Rational, sympy.core.symbol.Symbol,
sympy.core.add.Add, etc.).
And I sometimes want to express division (/),
but I'm having tr... | <python><sympy> | 2023-05-12 05:23:14 | 2 | 5,611 | Don Hatch |
76,233,333 | 13,916,049 | Convert selected files in directory into another format | <p>For all the files in the input directory ending with "hic", I want to convert them to cool format. A single file can be converted using:</p>
<pre><code>hic2cool_convert(<infile>, <outfile>)
</code></pre>
<p>But I'm not sure how to write a for loop to convert all the relevant files.</p>
<pre><co... | <python><file><directory> | 2023-05-12 05:18:58 | 2 | 1,545 | Anon |
76,233,316 | 597,858 | Main window shrinks in tkinter | <p>I have a simple tkinter app that plots a sine curve. The problem I am facing is that when I press the PLOT button, original root window shrinks in size. I want to keep the window size fixed, irrespective of pressing the PLOT button or not. what shall I do?</p>
<pre><code>import tkinter as tk
import matplotlib.pyplot... | <python><tkinter> | 2023-05-12 05:15:13 | 1 | 10,020 | KawaiKx |
76,233,267 | 10,576,322 | Python logging of conditional imports in libraries | <p>I have a library with a module that does an conditional import.</p>
<p>I want to be able in my applications to log the outcome of the conditional import. But that forces me to configure my handlers etc. before the import of that module, which is regarded bad style.</p>
<p>The module looks something like that.</p>
<p... | <python><logging><import><python-logging> | 2023-05-12 05:03:11 | 1 | 426 | FordPrefect |
76,233,184 | 302,102 | Defining fst and snd with type variables | <p>I sometimes encounter typing errors when using Haskell-style <code>fst</code> and <code>snd</code> functions defined in Python as follows:</p>
<pre class="lang-py prettyprint-override"><code>from typing import TypeVar
a = TypeVar("a")
b = TypeVar("b")
def fst(x: tuple[a, b]) -> a:
"... | <python><mypy> | 2023-05-12 04:44:13 | 0 | 1,935 | aparkerlue |
76,233,172 | 19,079,397 | How to convert geopandas dataframe with multi-polygon into geojson? | <p>I have a Geopandas data frame with multi-polygons geometries. Now, I want to convert the data frame into geojson. So, I have converted the dataframe into <code>dict</code> and then used <code>json.dump(dict)</code> to convert the data frame into json. This works well when I have single polygon but throws error <code... | <python><json><geojson><geopandas><multipolygons> | 2023-05-12 04:42:04 | 2 | 615 | data en |
76,233,092 | 3,009,875 | Django ReportLab 'list' object has no attribute 'getKeepWithNext' | <p>I am trying to generate a pdf that will look like this:<a href="https://i.sstatic.net/lecxv.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/lecxv.png" alt="enter image description here" /></a></p>
<p>Here is my code:</p>
<pre><code>doc = doc = SimpleDocTemplate(invoice_name)
flowable = []
flowable.app... | <python><django><reportlab> | 2023-05-12 04:18:20 | 1 | 2,209 | Yax |
76,234,086 | 7,090,396 | Scan Gun returning empty data in Python Script | <p>I have a symbol barcode scanner model DS4308 that I am trying to pull scan data from.</p>
<p>In my python script, I am using the "hid" library via <code>import hid</code> to connect to the device. Here is the code block that is used to connect to the scanner:</p>
<pre><code> def initScanner(self):
... | <python> | 2023-05-12 04:02:37 | 1 | 1,512 | Eric Brown |
76,233,033 | 3,741,571 | Why do Python and Java behave differently when decoding GBK | <p>This question is related to <a href="https://stackoverflow.com/questions/76232910/">How to decode bytes in GB18030 correctly</a>.</p>
<p>I would like to decode an array of bytes which are encoded with <a href="https://en.wikipedia.org/wiki/GBK_(character_encoding)" rel="nofollow noreferrer">GBK</a>, but found that P... | <python><java><unicode><character-encoding> | 2023-05-12 03:58:03 | 1 | 6,975 | chenzhongpu |
76,232,951 | 8,205,099 | Docker configuration working in one machine(Ubuntu) but not in other(Mac M1) | <p>I have setup Django with MySQL in docker compose in my mac M1. Everytime I do docker-compose up I get error for django application</p>
<pre><code>"Error: File "/usr/local/lib/python3.6/site-packages/MySQLdb/connections.py", line 166, in __init__
web_1 | super(Connection, self).__init__(*args, **k... | <python><python-3.x><django><docker><docker-compose> | 2023-05-12 03:36:14 | 1 | 4,176 | Wahdat Jan |
76,232,910 | 3,741,571 | How to decode bytes in GB18030 correctly | <p>Recently, I am studying <a href="https://en.wikipedia.org/wiki/GB_18030" rel="nofollow noreferrer">GB 18030</a>, and found that some characters cannot encoded/decoded correctly when they are mapped to the <em>private user area</em> (PUA). For example, according to the specification of GB 18030, this is <em>A6</em> d... | <python><java><character-encoding> | 2023-05-12 03:21:56 | 0 | 6,975 | chenzhongpu |
76,232,802 | 14,399,602 | What's wrong with using df.loc to assign new values? | <p>I do suppose the following two functions generate the same results:</p>
<pre class="lang-py prettyprint-override"><code>import pandas as pd
def test_fn1(df: pd.DataFrame) -> pd.DataFrame:
df['b'] = df['b'].apply(lambda x: [x] if isinstance(x, dict) else x)
return df
def test_fn2(df: pd.DataFrame) -> p... | <python><pandas><dataframe> | 2023-05-12 02:42:04 | 1 | 880 | Michael Chao |
76,232,426 | 12,091,935 | How to generate random variables from a probability density function/ probability mass function | <p>I am trying simulate random arrival times for cars that will park in a small parking lot. I want to use a random generator to create random parking events. I am not sure if numpy is the correct library for this job.</p>
<p>Example:
I use randint to generate the number of cars that will park on that day randint(3, hi... | <python><numpy><scipy><data-science><probability-density> | 2023-05-12 00:32:50 | 1 | 435 | Luis Enriquez-Contreras |
76,232,399 | 8,838,303 | Python: How to handle indirect references when inserting into PostgreSQL-tables? | <p>I have two .csv files named "country.csv", which looks like this:</p>
<pre><code>Country Code,Country Name,Country-ID
US,United States,0
DE,Germany,1
AU,Australia,2
CZ,Czechia,3
CA,Canada,4
AR,Argentina,5
BR,Brazil,6
PT,Portugal,7
GB,United Kingdom,8
IT,Italy,9
GG,Guernsey,10
RO,Romania,11
</code></pre>
<p... | <python><sql><database><postgresql> | 2023-05-12 00:22:31 | 1 | 475 | 3nondatur |
76,232,300 | 4,422,095 | How to create DAGs with Spark? | <p>I'm new to Spark and I've realized that, for the pipeline I'm making, it would be much more convenient to have a DAG to represent the pipeline to improve monitoring, scheduling, etc.</p>
<p>I connected Spark to my MySQL database and ran a few scripts with Spark dataframes using PyTorch and it worked great. I was abl... | <python><apache-spark><airflow><dagster> | 2023-05-11 23:55:35 | 1 | 2,244 | Stan Shunpike |
76,232,295 | 8,243,535 | python get a file by relative path | <p>I have been fumbling with this for a while, and I am thinking maybe there is no real way of doing this in python and the best approach is to always let the user figure out their absolute path and pass that in to my function and I can run it.</p>
<p>this code works if I run it from the directory that the code <code>r... | <python><python-3.x><path> | 2023-05-11 23:54:11 | 1 | 443 | AugustusCaesar |
76,232,123 | 3,486,773 | How to replace string in column names of pyspark dataframe? | <p>I have a pyspark data frame that every column appends the table name ie: <code>Table.col1</code>, <code>Table.col2</code>...</p>
<p>I would like to replace '<code>Table.'</code> with <code>''</code> (nothing) in every column in my dataframe.</p>
<p>How do I do this? Everything I have found deals with doing this to... | <python><dataframe><apache-spark><pyspark><regex-replace> | 2023-05-11 23:03:16 | 2 | 1,278 | user3486773 |
76,232,118 | 1,120,370 | CURL works for an Elasticsearch instance but Python interfaces do not: what am I missing? | <p>The devops team at my company has set up an Elasticsearch/Kibana server for me. Everything works fine through the Kibana interface (including Dev Tools), however, I am having trouble accessing the server via Python. I think it's an SSL issue, but I'm sure if my diagnosis is correct or what exactly I have to do to fi... | <python><elasticsearch><ssl-certificate> | 2023-05-11 23:02:32 | 1 | 17,226 | W.P. McNeill |
76,232,039 | 5,379,479 | ImportError from Great Expectations | <p>I've been using Great Expecations for a while and recently when I rebuilt a docker image I started to get this error. The image builds fine, but when I try to run code and import the package this error appears.</p>
<pre><code> import great_expectations as ge
File "/opt/conda/envs/my_env/lib/python3.8/site... | <python><importerror><great-expectations> | 2023-05-11 22:38:05 | 0 | 2,138 | Jed |
76,232,029 | 3,385,948 | Pip could not find a version that satisfies the requirement, but it IS there in my private PyPI repository | <p>I know many questions have been asked along these lines, but I'm stumped.</p>
<p>I've got a private PyPI repo at something like "https://pypi.my_domain.com" and it's been working well for a few years now. However, when I run the following command (which previously worked), it says it can't find the file, b... | <python><python-3.x><linux><pip> | 2023-05-11 22:36:50 | 1 | 5,708 | Sean McCarthy |
76,231,996 | 7,025,033 | Weighted element-wise between two arrays, numpy | <p>I want to perform</p>
<pre><code>array_0 = np.array([ [1,2,3], [1,2,3], [1,2,3] ])
array_1 = np.array([ [1,2,3], [1,2,3], [1,2,3] ])
weights = np.array([ 1, 5 ])
result = array_0 * weights[0] + array_1 * weights[1]
</code></pre>
<p>Is there a <code>numpy</code> function that does just that?</p>
<p>Obviously, I coul... | <python><numpy> | 2023-05-11 22:27:53 | 0 | 1,230 | Zoltan K. |
76,231,987 | 4,487,457 | Unable to install poetry in dataflow | <p>I am getting this error when running any poetry executables</p>
<pre><code>Traceback (most recent call last):
File "/root/.local/bin/poetry", line 5, in <module>
from poetry.console.application import main
File "/root/.local/share/pypoetry/venv/lib/python3.8/site-packages/poetry/console/... | <python><google-cloud-dataflow><python-poetry> | 2023-05-11 22:25:20 | 1 | 2,360 | Minh |
76,231,984 | 11,065,874 | In python, How do I create a abstract base singleton class that can only be initialized once? | <p>I have this piece of code</p>
<pre><code>import abc
class SingletonABCMeta(abc.ABCMeta):
_instances = {}
def __call__(cls, *args, **kwargs):
if cls not in cls._instances:
cls._instances[cls] = super(SingletonABCMeta, cls).__call__(*args, **kwargs)
return cls._instances[cls]
c... | <python><oop><singleton><abstract-class> | 2023-05-11 22:25:05 | 1 | 2,555 | Amin Ba |
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