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78,767,889
1,818,935
Error running a magic programmatically via IPython's run_cell_magic
<p>Consider the following program, which I wrote in two Jupyter Notebook cells.</p> <p>Cell 1:</p> <pre><code>import rumbledb as rmbl %load_ext rumbledb %env RUMBLEDB_SERVER=http://public.rumbledb.org:9090/jsoniq </code></pre> <p>Cell 2:</p> <pre><code>%%jsoniq parse-json(&quot;{\&quot;x\&quot;:3}}&quot;).x </code></pr...
<python><jupyter-notebook><ipython-magic><jsoniq>
2024-07-19 06:45:04
2
6,053
Evan Aad
78,767,789
1,818,935
How to invoke a cell magic inside a function?
<p>Consider the following program, which I wrote in two Jupyter Notebook cells.</p> <p>Cell 1:</p> <pre><code>import rumbledb as rmbl %load_ext rumbledb %env RUMBLEDB_SERVER=http://public.rumbledb.org:9090/jsoniq </code></pre> <p>Cell 2:</p> <pre><code>%%jsoniq parse-json(&quot;{\&quot;x\&quot;:3}}&quot;).x </code></pr...
<python><json><jupyter-notebook><ipython><jsoniq>
2024-07-19 06:21:47
1
6,053
Evan Aad
78,767,751
18,595,760
How to enable Intellisense when using YouTube API with Python in VSCode
<p>I want to get the IntelliSense in VSCode when using Google YouTube API with Python. But I don't know the detailed step.</p> <pre><code>from googleapiclient.discovery import build api_key=&quot;****&quot; youtube=build(&quot;youtube&quot;,&quot;v3&quot;,developerKey=api_key) request=youtube.channels().list( part=...
<python><visual-studio-code><youtube-api><youtube-data-api>
2024-07-19 06:07:51
1
317
test1229
78,767,565
4,556,479
f-strings: Skip thousands delimiter (comma) for four digits (1000); limit comma to five or more digits
<p>I have a paper where the editors request I remove thousands separators (comma) for four digit-numbers. I used f-strings:</p> <pre class="lang-py prettyprint-override"><code>form=&quot;,.0f&quot; format(123456, form) &gt; '123,456' format(1234, form) &gt; '1,234' </code></pre> <p>I cannot find the correct format to k...
<python><formatting>
2024-07-19 04:53:04
2
3,581
Alex
78,767,542
355,715
Is there a way to read sequentially pretty-printed JSON objects in Python?
<p>Suppose you have a JSON file like this:</p> <pre><code>{ &quot;a&quot;: 0 } { &quot;a&quot;: 1 } </code></pre> <p>It's not JSONL, because each object takes more than one line. But it's not a single valid JSON object either. It's sequentially listed pretty-printed JSON objects.</p> <p><code>json.loads</code> in P...
<python><json><pretty-print>
2024-07-19 04:39:11
2
15,817
polm23
78,767,325
2,780,906
What allowable date forms can be used in pandas bdate_series holidays?
<p>I am currently testing the bdate_series to use in my code.</p> <p>The following code still outputs July 2 as a date, even though I expected it to be excluded.</p> <pre><code>&gt;&gt;&gt; pd.bdate_range(start='20240701', end='20240705',holidays=[&quot;20240702&quot;],freq=&quot;C&quot;) DatetimeIndex(['2024-07-01', ...
<python><pandas><date>
2024-07-19 02:39:22
0
397
Tim
78,767,238
1,601,580
Best way to count tokens for Anthropic Claude Models using the API?
<h1>Summary</h1> <p>How can I count the number of tokens before sending it to Anthropic?</p> <hr /> <h1>Question content</h1> <p>I'm working with Anthropic's Claude models and need to accurately count the number of tokens in my prompts and responses. I'm using the <code>anthropic_bedrock</code> Python client but recent...
<python>
2024-07-19 01:47:58
4
6,126
Charlie Parker
78,767,207
2,925,620
pyqtgraph: Elegant way to remove a plot from GraphicsLayoutWidget?
<p>I am trying to programmatically add and remove plots to <code>GraphicsLayoutWidget</code>. Adding works as expected via <code>addPlot(row, col)</code> (col is zero for me). Unfortunately there is no <code>removePlot</code> function (which I find odd!), so I am trying to use <code>removeItems(plot)</code>. This does ...
<python><pyqtgraph>
2024-07-19 01:28:22
1
357
emma
78,767,203
6,395,612
Pyspark Filtering Array inside a Struct column
<p>I have a column in my Spark DataFrame that has this schema:</p> <pre><code>root |-- my_feature_name: struct (nullable = true) | |-- first_profiles: map (nullable = true) | | |-- key: string | | |-- value: array (valueContainsNull = true) | | | |-- element: struct (containsNull = true) |...
<python><dataframe><pyspark><filter>
2024-07-19 01:25:06
2
402
MathLal
78,767,142
3,120,501
Dictionary indexing with Numpy/Jax
<p>I'm writing an interpolation routine and have a dictionary which stores the function values at the fitting points. Ideally, the dictionary keys would be 2D Numpy arrays of the fitting point coordinates, <code>np.array([x, y])</code>, but since Numpy arrays aren't hashable these are converted to tuples for the keys.<...
<python><numpy><dictionary><jit><jax>
2024-07-19 00:48:27
2
528
LordCat
78,767,002
15,800,558
"detail": "Not Found" Error With Python Django REST API
<p>Im having an issue with a Python Django REST API i've built that manages the file upload and retreival from and to a Google Cloud SQL DB. I am not exactly sure whats causing the error but whene i run it runs fine at successfully connects to the Database and connects at <a href="http://127.0.0.1:8000/" rel="nofollow ...
<python><django><debugging><django-rest-framework><http-status-code-404>
2024-07-18 23:25:07
1
317
Sarimm Chaudhry
78,766,850
1,119,391
Are Python 3.12 subinterpreters multi-CPU?
<p>Python 3.12 exposes the subinterpreter functionality: after starting the Python main.exe you can spawn multiple subinterpreter threads. Questions:</p> <ol> <li>As the subinterpreter threads run in the same process as the Python main thread, does that mean the subinterpreters can only use the cores of the CPU the mai...
<python><python-3.x><python-subinterpreters>
2024-07-18 22:10:06
1
335
stustd
78,766,780
1,749,551
How to extract a rectangle in an image from identified lines
<p><strong>(See below for update with partially working code.)</strong></p> <p>I have thousands of images that look like this:</p> <p><a href="https://i.sstatic.net/531hwP7H.jpg" rel="noreferrer"><img src="https://i.sstatic.net/531hwP7H.jpg" alt="enter image description here" /></a> <a href="https://i.sstatic.net/KPDK7...
<python><opencv><ocr><hough-transform><document-layout-analysis>
2024-07-18 21:40:26
1
4,798
Nick K9
78,766,731
3,367,091
"in" operator for list does not call item's __eq__ method
<p>This is the code setup:</p> <pre class="lang-py prettyprint-override"><code>from typing import Self, Iterable class PersonNotFoundError(Exception): &quot;&quot;&quot;Person not found in collection.&quot;&quot;&quot; class Person: &quot;&quot;&quot;A person with a name.&quot;&quot;&quot; def __init__...
<python>
2024-07-18 21:26:02
2
2,890
jensa
78,766,698
4,228,320
AMBIGUOUS_REFERENCE error when trying to aggregate a dataframe in azure
<p>Have a dataframe with the following columns year, month, loc_code, usg_type, id_code, usg</p> <p>trying to aggregate in SQL it would have been</p> <pre><code>select year, month, loc_code, usg_type, count(distinct id_code) as id_count, sum(usg) as traffic group by all </code></pre> <p>In Python I've tried the followi...
<python><dataframe><azure>
2024-07-18 21:13:47
1
489
Ben
78,766,495
1,818,935
How to use JSONiq in a python program?
<p>How can I use JSONiq to query JSON objects in a python program running on my PC?</p> <p>I have managed to use JSONiq in a Jupyter Notebook running inside Visual Studio Code, but I'm interested in using JSONiq in a regular python program (*.py), rather than a notebook (*.ipynb).</p>
<python><json><jsoniq>
2024-07-18 20:16:05
2
6,053
Evan Aad
78,766,475
162,758
module not found error with poetry and multistage docker image
<p>I am trying to execute a multistage docker build to create a light image. I am using poetry for dependency management. My dockerfile is as below</p> <pre><code>FROM python:3.12-slim as builder RUN pip install poetry RUN mkdir -p /app COPY . /app WORKDIR /app RUN python -m venv .venv RUN poetry install FROM python:...
<python><docker><python-poetry><docker-multi-stage-build>
2024-07-18 20:07:52
1
2,344
VDev
78,766,426
13,142,245
Export Pydantic model classes (not instances) to JSON
<p>I understand that Pydantic can export models to JSON, see <a href="https://docs.pydantic.dev/1.10/usage/exporting_models/" rel="nofollow noreferrer">ref</a>. But in practice, this means instances of a model:</p> <pre><code>from datetime import datetime from pydantic import BaseModel class BarModel(BaseModel): ...
<python><json><pydantic>
2024-07-18 19:53:24
1
1,238
jbuddy_13
78,765,650
893,254
Is it possible (or recommended?) to mix abstract base classes with Pydantic BaseModel?
<p>In the example code below, I tried to combine abstract base classes with Pydantic. I wanted to write this code because I had an existing type <code>Ticker</code> which has two implementations. It can either be represented as a string or an integer value.</p> <p>I later wanted to add some data classes to represent me...
<python><pydantic>
2024-07-18 16:31:46
0
18,579
user2138149
78,765,628
6,691,051
Reading .csv column with decimal commas and trailing percentage signs as floats using Pandas
<p>I am faced with reading a .csv file with some columns like this:</p> <pre><code>Data1 [-]; Data2 [%] 9,46;94,2% 9,45;94,1% 9,42;93,8% </code></pre> <p>I want to read <code>Data1 [%]</code> column as a pandas DataFrame with values <code>[94.2, 93.4, 96.4]</code>.</p> <p>I am able to remove the percentage sign using ...
<python><pandas><dataframe><csv>
2024-07-18 16:26:32
1
2,081
FerventHippo
78,765,604
2,066,725
How to enable "vi mode" for the python 3.13 interactive interpreter?
<p>One of the new features in python 3.13 is a <a href="https://docs.python.org/3.13/whatsnew/3.13.html#a-better-interactive-interpreter" rel="nofollow noreferrer">more sophisticated interactive interpreter</a>. However, it seems that this interpreter is no longer based on <code>readline</code>, and therefore no longe...
<python><python-3.x>
2024-07-18 16:19:53
1
1,534
Kale Kundert
78,765,505
10,958,326
How to use overload from the typing package within a higher-order function in Python?
<p>Returning an overloaded function from a higher-order callable does not produce expected results with respect to type hints: namely, the resulting function behaves as if it was unannotated at all.</p> <p>Here a minimal example:</p> <pre><code>from typing import Optional, overload def get_f(b: int): @overload ...
<python><overloading><mypy><python-typing>
2024-07-18 15:56:51
1
390
algebruh
78,765,504
7,112,039
SQLALchemy: Object deleted by Cascade option is still retrievable even after flushing the session
<p>I have a simple SqlAlchemy Relationship defined as follows</p> <pre class="lang-py prettyprint-override"><code>class User(BaseModel): cars = relationship( &quot;Car&quot;, back_populates=&quot;user&quot;, passive_deletes=&quot;all&quot;, ) class Car(BaseModel): user_id: Mapped[O...
<python><sqlalchemy>
2024-07-18 15:56:44
0
303
ow-me
78,765,477
8,605,685
Why does except Exception appear to not be catching an exception?
<p>The code below raises two exceptions: A <code>ValueError</code> and a library specific <code>ApplicationError</code>. The <code>ValueError</code> is still being printed to the console. Why is the <code>except</code> block not suppressing its output?</p> <pre><code>from pyomo.common.errors import ApplicationError fro...
<python><exception>
2024-07-18 15:50:29
1
12,587
Salvatore
78,765,384
20,409,539
Tkinter interpreting the long press of the button as many press and release events
<p>I want to create a small virtual joystick with <code>tkinter</code>, so I need correct handling of long press of buttons.</p> <p>I've created a code like this:</p> <pre><code>import tkinter as tk def up(): print(&quot;Up&quot;) up_button.config(image=up_active_image) def reset_up(event): print(&quot;Up...
<python><tkinter>
2024-07-18 15:31:36
1
317
Ilia Nechaev
78,765,225
11,357,695
monkeypatch logging basicConfig with pytest
<p>I have a function that that involves setting up a logger:</p> <p><code>app/src/app/pipelines.py</code>:</p> <pre><code>import logging def get_log_handlers(filepath): return [logging.FileHandler(filepath, 'w'), logging.StreamHandler() ] def function(resul...
<python><logging><pytest><monkeypatching><stringio>
2024-07-18 15:01:09
1
756
Tim Kirkwood
78,765,111
13,866,965
Issue with Custom Rounding Function
<p>I have implemented a custom rounding function in Python using Pandas, but it's not producing the expected results in certain cases. It basically should always <strong>round down</strong> to the nearest step.Here's the function and how I'm applying it:</p> <pre><code>import pandas as pd # Define the custom rounding ...
<python><pandas><dataframe>
2024-07-18 14:38:54
1
451
arrabattapp man
78,765,048
8,112,883
Embedding variable with HTML tags in plotly dash layout
<p>I have a variable with some text already containing HTML tags - like line breaks/bold/etc. I'm extracting this variable from a dataframe based on some conditions.</p> <p>I want to use this inside my Dash layout.</p> <p><code>myData = df[&quot;HTML_TEXT_COLUMN].values[0]</code></p> <p>For example, you can consider <c...
<python><html><plotly-dash>
2024-07-18 14:29:41
1
374
Manu Manjunath
78,764,968
449,693
Detecting a specific type of invalid JSON file
<p>I have JSON-like records being written by sensors.</p> <p>The files are not valid because they look like concatenated records like the following:</p> <pre><code> { &quot;timestamp&quot;: &quot;2024-07-17T12:31:12Z&quot;, &quot;source_ip&quot;: &quot;10.0.0.2&quot;, &quot;source_port&quot;: 5678, &qu...
<python><ijson>
2024-07-18 14:16:00
2
12,431
Tony Ennis
78,764,883
10,164,750
Decoding Byte to String is adding additional characters "\"
<p>I am trying to convert a <code>bytes</code> field to <code>str</code>. I tried the following code. Not sure, why it is adding an extra <code>char</code> before and after each <code>key</code> and <code>value</code>.</p> <pre><code>print(event_json) print(type(event_json)) event_json_nobytes = event_json.decode('utf-...
<python><json><cloudevents>
2024-07-18 13:57:23
1
331
SDS
78,764,795
7,160,592
Is there a way to enable, pause, resume chrome devtools?
<p>Preq:</p> <ol> <li>Launch selenium script in python</li> <li>Once launched we are trying to connect to chrome devtools and control the execution of script for debugging.</li> <li>As and when selenium script starts replaying, I'm fetching websocket url and executing below code snippet.</li> </ol> <p>Below is my code...
<python><selenium-webdriver><websocket><google-chrome-devtools>
2024-07-18 13:41:10
1
509
sridattas
78,764,778
5,950,598
How to fix "XPath syntax error: Invalid expression" when using etree.XPath in Python while using union operator "|"
<p>I'm trying to compile an XPath expression using etree.XPath in Python, but I'm encountering a syntax error. Here's the code snippet:</p> <pre class="lang-py prettyprint-override"><code>XPATH = '//bridge-domain/(bridge-domain-group-name|bridge-domain-name|bridge-acs/bridge-ac/interface-name|bridge-acs/bridge-ac/attac...
<python><xpath><lxml>
2024-07-18 13:38:23
1
516
Jan Krupa
78,764,677
16,578,438
cast list type value of dictionary column in pandas
<p>I am trying to write a complex type to dynamodb, but getting into the error:</p> <pre><code>import pandas as pd df = pd.DataFrame.from_records([{&quot;col_w_status&quot;: {&quot;ACTIVE&quot;:[&quot;ABC100-01&quot;],&quot;INACTIVE&quot;:[&quot;ABC100&quot;]}}]) col_list = [&quot;col_w_status&quot;] display(df) for...
<python><pandas><aws-data-wrangler>
2024-07-18 13:17:38
1
428
NNM
78,764,662
3,437,787
How to pivot predictions over several timesteps against actual values?
<p>I have a python script that produces predictions for a timeseries over several timesteps like this:</p> <p><a href="https://i.sstatic.net/zTYvhG5n.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/zTYvhG5n.png" alt="Image of desired output" /></a></p> <p>I would like to pivot or rearrange the prediction...
<python><pandas>
2024-07-18 13:15:28
4
62,064
vestland
78,764,659
22,370,136
Scraping all pages using Scrapy-Crawler & LinkExtractor-Rules
<p>I am trying to scrape dockerhub.com with the scrapy-vertical approach using the Crawler and i need to define a rule which gathers all pages with the following pattern:</p> <ul> <li><a href="https://hub.docker.com/search?q=python&amp;page=1" rel="nofollow noreferrer">https://hub.docker.com/search?q=python&amp;page=1<...
<python><web-scraping><browser><scrapy><playwright>
2024-07-18 13:15:21
1
407
Vlajic Stevan
78,764,497
15,175,771
When calling torchvision.transforms.Normalize and converting to PIL.Image, how are values above 1 handled?
<p>Applying <a href="https://pytorch.org/vision/main/generated/torchvision.transforms.Normalize.html" rel="nofollow noreferrer">torchvision.Normalize</a> should lead to values below 0 and above 1, and thus below 0 and 255 when switching to integer values.</p> <p>However, when watching the values, this seems NOT to be t...
<python><pytorch><python-imaging-library><torch><torchvision>
2024-07-18 12:43:46
1
340
GabrielGodefroy
78,764,364
16,389,095
How to convert non-readable PDF into readable PDF with OcrMyPdf: troubles with tesseract and configparser
<p>I'm trying to convert a scanned PDF into a readable one.</p> <p>The original PDF contains text, tables, images/logos. The desired output file should be exactly the same of the original file.</p> <p>I found different strategies on the web to do it in Python:</p> <p><a href="https://basilchackomathew.medium.com/best-o...
<python><pdf><ocr><ocrmypdf>
2024-07-18 12:14:52
0
421
eljamba
78,764,092
9,036,382
How to update a polars dataframe column at a specific range?
<p>I want to update a specific column at a specific row index range.</p> <p>Here's what I want to achieve in pandas:</p> <pre class="lang-py prettyprint-override"><code>df = pd.DataFrame({ &quot;foo&quot;: [0,0,0,0] }) df[&quot;foo&quot;].iloc[0:3] = 1 # or df.iloc[0:3, df.columns.get_loc(&quot;foo&quot;)] = 1 </code><...
<python><python-polars>
2024-07-18 11:20:23
2
534
Oreille
78,764,081
3,446,351
Subtle mistake in conda create syntax will install a patch = 0 version of python
<p>I'm creating a new conda environment with no additional packages.</p> <p>It is interesting to note the difference in the python interpreter version installed with a small change in the <strong>conda create</strong> syntax...</p> <pre><code>conda create --name test python=3.11 </code></pre> <p>...installs python 3.11...
<python><conda>
2024-07-18 11:17:37
1
691
Ymareth
78,763,960
6,144,940
WindRoseAxe generated incompleted axis
<p>I just encounter this problem, which never happened before.</p> <p>The axis is not complete. The code works well in previous runs.</p> <p>I am not sure what detail I should provide for resolving the problem. Please let me know.</p> <p>Python version : 3.8.8 (default, Apr 13 2021, 15:08:03) [MSC v.1916 64 bit (AMD64)...
<python><python-3.x><windrose>
2024-07-18 10:56:34
1
473
Justin
78,763,857
3,391,592
Rows not getting added to Snowflake table using Python connector
<p>I am trying to create and load a table in Snowflake using Python. The data is in a pandas data frame. Below is the code I'm using. The table gets created, but it has 0 rows and there's no error message shown.</p> <pre><code>with engine.connect() as con: data.head(0).to_sql(name=table_name, con=con, if_ex...
<python><sqlalchemy><snowflake-cloud-data-platform>
2024-07-18 10:35:24
2
478
Moon_Watcher
78,763,468
3,510,201
Use exc_info for log record information when log is raised within an exceptionhook
<p><strong>TLDR;</strong> When the log record is passed an <code>exc_info</code> is there a way for me to use that for the log record data instead of were it was logged from?</p> <p>I am using a exceptionhook to log any uncaught exceptions. For normal logging instances I am using the data within the log record to get a...
<python><logging>
2024-07-18 09:19:41
1
539
Jerakin
78,763,404
2,261,637
Using structlog with Datadog
<p>We're using the logging module from the stdlib to send logs from our Django app to Datadog and we have customised our logging based on <a href="https://pypi.org/project/django-datadog-logger" rel="nofollow noreferrer">django-datadog-logger</a></p> <p>We're exploring a move to <a href="https://www.structlog.org" rel=...
<python><django><datadog><python-logging><structlog>
2024-07-18 09:05:07
0
1,875
Bruno A.
78,763,342
16,815,358
Compromise between quality and file size, how to save a very detailed image into a file with reasonable size (<1MB)?
<p>I am facing a small (big) problem: I want to generate a high resolution speckle pattern and save it as a file that I can import into a laser engraver. Can be PNG, JPEG, PDF, SVG, or TIFF.</p> <p>My script does a decent job of generating the pattern that I want:</p> <p>The user needs to first define the inputs, these...
<python><opencv><image-processing>
2024-07-18 08:52:04
3
2,784
Tino D
78,763,286
12,439,683
MyST implicit references work locally but not on Read The Docs
<p>I am using Sphinx to build my documentation and I parse markdown files with MyST. I used <a href="https://myst-parser.readthedocs.io/en/latest/syntax/cross-referencing.html#inline-links-with-implicit-text" rel="nofollow noreferrer">implicit text</a> to link to different references, for example <code>[](#my-heading)<...
<python><hyperlink><python-sphinx><read-the-docs><myst>
2024-07-18 08:39:51
1
5,101
Daraan
78,763,225
19,745,277
Python Ping IPv4 and IPv6 from docker container
<p>I am trying to ping IPv4 and IPv6 addresses from inside my docker container.</p> <p>I already tried using <code>ping3</code>, that does not support IPv6</p> <pre><code>&gt;&gt;&gt; from ping3 import ping &gt;&gt;&gt; v4 = ping(&quot;142.250.185.110&quot;) &gt;&gt;&gt; v6 = ping(&quot;2a00:1450:4001:831::200e&quot;) ...
<python><docker><ping>
2024-07-18 08:25:35
1
349
noah
78,763,062
1,397,843
Why `pd.merge()` still works even though the `on` column is located in the index
<p>Consider the following example:</p> <pre class="lang-py prettyprint-override"><code>import pandas as pd df1 = pd.DataFrame( data={'A': range(5)}, index=range(10, 15), ).rename_axis(index='ID') df2 = df1.add(100).reset_index() print(df1) # A # ID # 10 0 # 11 1 # 12 2 # 13 3 # 14 4 print(df2) # ...
<python><pandas><merge>
2024-07-18 07:49:53
1
386
Amin.A
78,763,016
13,160,199
Way to convert a latex file to pdf only with python? (without having to locally install anything)
<p>I am building a mathematical software with PyQt, and I would like to provide the users with a result in a file written in LaTex and also the compiled version of it in PDF. However, I can't find a way to do so. All solutions I've seen require me to install a compiler locally.</p> <p>I cannot expect the users to insta...
<python><pdf><pyqt><latex>
2024-07-18 07:39:31
1
335
Lavínia Beghini
78,762,922
11,345,585
What is the best approach to handle class instances in django application in a production environment?
<p>I would like to consider 2 approaches. First, you could create a class and its instance in a class and inside views import the instance and call its methods. Second, you import the class and create instance of the class inside the view function when you handle a request. which one do you think is better. Also I am n...
<python><django><class><instance><production-environment>
2024-07-18 07:18:50
1
380
Sachin Das
78,762,664
7,802,751
When using Google Colab, Python package 'datasets' just disappeared from virtualenv directory 'site-packages'
<p>I'm using Google Colab and trying make a virtual environment to work.</p> <p>My code is:</p> <pre><code> from google.colab import drive drive.mount('/content/drive') !pip install virtualenv myenv_dir = '/content/drive/MyDrive/virtual_env/' !virtualenv {myenv_dir} !chmod +x {myenv_dir}bin/pip; !chmod +...
<python><google-drive-api><google-colaboratory><virtualenv><google-cloud-colab-enterprise>
2024-07-18 06:12:13
2
997
Gustavo Mirapalheta
78,762,448
1,818,935
Unable to load JSONATA into duktape JavaScript engine
<p>I'm trying to use <a href="https://pypi.org/project/jsonata/" rel="nofollow noreferrer">jsonata for python</a> in a Jupyter notebook running in Visual Studio Code. I have installed jsonata via <code>%pip install jsonata</code>, and have imported it via <code>import jsonata</code>. However, when I try to run a comman...
<python><visual-studio-code><jupyter-notebook><jsonata>
2024-07-18 04:46:15
0
6,053
Evan Aad
78,762,421
445,345
Can you put target value in input x in keras lstm model?
<p>In keras documentation:</p> <p>Arguments x:</p> <ul> <li>A tf.data.Dataset. Should return a tuple of either (inputs, <strong>targets</strong>) or (inputs, <strong>targets</strong>, sample_weights).</li> <li>A keras.utils.PyDataset returning (inputs, <strong>targets</strong>) or (inputs, <strong>targets</strong>, sam...
<python><tensorflow><keras>
2024-07-18 04:33:15
0
3,464
tipsywacky
78,762,359
16,869,946
Solving system of integral equations using fsolve and quad in python scipy
<p>I am trying to solve the following system of integral equations with unknowns theta1, theta2, theta3: <a href="https://i.sstatic.net/zOkKCrX5.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/zOkKCrX5.png" alt="enter image description here" /></a></p> <p>where Phi and phi are the cdf and pdf of the stan...
<python><scipy><quad><fsolve>
2024-07-18 04:03:14
1
592
Ishigami
78,761,783
2,475,195
XGBoostError: value -1 for Parameter verbosity exceed bound [0,3]
<p>Error message as in the title. It doesn't make sense to me, per my code below:</p> <pre><code>clf = xgboost.XGBClassifier(verbosity=1) print (clf.__class__, clf.verbosity) # prints &lt;class 'xgboost.sklearn.XGBClassifier'&gt; 1 clf.fit(X=train_data_iter[features].fillna(0), y=train_data_iter['y']) # the error is r...
<python><machine-learning><xgboost><xgbclassifier>
2024-07-17 22:12:23
1
4,355
Baron Yugovich
78,761,747
1,016,004
Can you specify a default value for an optional element in structural pattern matching?
<p>I have a class <code>Expr</code> that can contain an array of slugs, the first slug defines a type of operation, and in 1 case it can be followed by either 1 or 2 more slugs. Is there a way to use structural pattern matching in such a way that the last slug gets a default value when it's not given? Here are some clo...
<python><structural-pattern-matching>
2024-07-17 21:55:05
1
6,505
Robin De Schepper
78,761,659
6,029,488
Spyder: pip under different interpreter is used for installing packages
<p>I started using Spyder recently. I have Python 3.7 and 3.11 installed in my machine. I want to use the second one (3.11), therefore, I have successfully (confirmed by checking in console <code>sys.path</code>) adjusted the interpreter in the preferences: <a href="https://i.sstatic.net/4af6pt1L.png" rel="nofollow nor...
<python><pip><spyder>
2024-07-17 21:21:33
2
479
Whitebeard13
78,761,516
926,918
Generate stable combinations of an unsorted list in python
<p>I have a list made of strings which are <strong>not</strong> in sorted order. I wish to generate combinations but in such a way that the order of the elements is as in the list. However, Python <a href="https://docs.python.org/3/library/itertools.html#itertools.combinations" rel="nofollow noreferrer">documentation</...
<python><python-3.x><combinations><python-itertools>
2024-07-17 20:31:29
0
1,196
Quiescent
78,761,475
5,594,008
parse js string to python
<p>I have a string with js code</p> <pre><code> [{label: '&amp;nbsp;', name: 'Confirmed', width: 30, formatter: 'checkbox'},{label: 'ID', name: 'ID', width: 100, key:true},{label: 'E-mail', name: 'F250275', width: null, formatter: clearText},{label: 'Agree', name: 'F250386', width: null, formatter: clearText},] </code>...
<python><parsing>
2024-07-17 20:18:37
2
2,352
Headmaster
78,761,143
13,226,563
Streaming audio to Amazon Connect through Kinesis Video Streams
<p>What I am trying to achieve is the following.</p> <p>In Amazon Connect, when I create a Flow with Start Streaming Data block, it starts streaming to a Kinesis Video Stream, and I can call a lambda function with the streams information.</p> <p>Next, I want this lambda function to stream some audio into the Kinesis Vi...
<python><amazon-web-services><amazon-kinesis><amazon-connect><amazon-kinesis-video-streams>
2024-07-17 18:42:33
1
570
Andy_ye
78,761,023
11,402,025
fastapi : "GET /docs HTTP/1.1" 404 Not Found
<p>I recently updated fast api from v0.89.1 to v0.110.0 and I am getting the following error.</p> <p>&quot;GET /docs HTTP/1.1&quot; 404 Not Found</p> <p>There is no other error to help me debug the issue.</p> <pre><code>INFO: Uvicorn running on http://0.0.0.0:portNumber (Press CTRL+C to quit) INFO: Started relo...
<python><python-3.x><fastapi><openapi>
2024-07-17 18:10:58
1
1,712
Tanu
78,760,980
3,724,318
creating hexagonal lattice graph in networkx
<p>I need to create a hexagonal lattice network based on another researcher's work. The researcher describes describes the structure of their network in the yellow highlighted section of text here.</p> <p><a href="https://i.sstatic.net/jyB7d7fF.png" rel="noreferrer"><img src="https://i.sstatic.net/jyB7d7fF.png" alt="en...
<python><networkx><graph-theory>
2024-07-17 17:59:00
1
1,023
J.Q
78,760,916
1,284,735
Difference between integer division vs floating point division + int conversion
<p>Assuming <code>x ≥ 0</code> and <code>y &gt; 0</code> are both 64-bit unsigned integers would there be any correctness difference between below implementation and <code>x // y</code>?</p> <pre class="lang-py prettyprint-override"><code>def int_divide(x, y): return int(x / float(y)) </code></pre>
<python><floating-point>
2024-07-17 17:42:35
1
1,587
petabyte
78,760,822
11,357,695
pytest import errors - module not found
<p>I have this directory structure:</p> <pre><code>app/ pyproject.toml src/ app/ __init__.py app.py functions1.py functions2.py tests/ test_functions1.py test_functions2.py </code></pre> <p>If I run this on command line from the app d...
<python><import><module><package><pytest>
2024-07-17 17:14:44
1
756
Tim Kirkwood
78,760,634
4,687,531
Setting the return type of a custom namedtuple
<p>I have a <code>sample_config.json</code> file with potentially an arbitrary number of the parameters. An example of the <code>sample_config.json</code> is as follows:</p> <pre class="lang-json prettyprint-override"><code>{ &quot;tableA_ID&quot;: &quot;tableA.csv&quot;, &quot;tableB_ID&quot;: &quot;tableB.csv&quo...
<python><json><namedtuple>
2024-07-17 16:21:31
0
1,131
user4687531
78,760,601
11,626,909
Iteration an object in Python
<p>I am new to python. I am trying to parse some 10-Ks from Edgar using <code>edgartools</code> and <code>sec-parsers</code> module of python. Here is my code -</p> <pre><code>import pandas as pd # pip install edgartools from edgar import * # Tell the SEC who you are set_identity(&quot;Your Name myemail@outlook.com&qu...
<python><edgar>
2024-07-17 16:15:05
3
401
Sharif
78,760,584
1,371,481
Polars match element counts in List columns before exploding
<p>I have a dataframe with multiple columns containing list items.</p> <pre class="lang-py prettyprint-override"><code>import polars as pl df = pl.DataFrame({ &quot;a&quot;: [[1, 2], [3], [4, 5], [1]], &quot;b&quot;: [[4, 5, 7], [6], [4, 5], [3, 2]] }) </code></pre> <pre><code>shape: (4, 2) ┌───────────┬─────...
<python><dataframe><python-polars>
2024-07-17 16:11:11
2
1,254
DOOM
78,760,560
447,426
How to read / restore a checkpointed Dataframe - across batches
<p>I need to &quot;checkpoint&quot; certain information during my batch processing with pyspark that are needed in the next batches.</p> <p>For this use case, DataFrame.checkpoint seems to fit. While I found many places that explain how to create the one, I did not find any how to restore or read a checkpoint.</p> <p>F...
<python><pyspark>
2024-07-17 16:05:57
1
13,125
dermoritz
78,760,550
16,869,946
Permutation summation in Pandas dataframe growing super exponentially
<p>I have a pandas dataframe that looks like</p> <pre><code>import pandas as pd data = { &quot;Race_ID&quot;: [2,2,2,2,2,5,5,5,5,5,5], &quot;Student_ID&quot;: [1,2,3,4,5,9,10,2,3,6,5], &quot;theta&quot;: [8,9,2,12,4,5,30,3,2,1,50] } df = pd.DataFrame(data) </code></pre> <p>And I would like to create a new colum...
<python><pandas><dataframe><algorithm><group-by>
2024-07-17 16:04:20
1
592
Ishigami
78,760,340
17,800,932
QML layout and padding working in Qt Design Studio but not Qt Creator with Python
<p>I have the following QML code:</p> <pre><code>import QtQuick import QtQuick.Window import QtQuick.Controls import QtQuick.Layouts Window { visible: true width: 300 height: 300 title: &quot;Padding test&quot; Frame { anchors.centerIn: parent padding: 20 ColumnLayout { ...
<python><qt><qml><pyside><qtquick2>
2024-07-17 15:24:16
0
908
bmitc
78,760,314
9,421,213
Python Locust using raw socket requests
<p>I am using the Locust library to load test a server that listens to TCP/IP socket requests and expecting custom protobuf messages. I have a similator sending message to the server and with locust I am able to create multiple instances and send requests simultaneous. However the statistics of my requests are not show...
<python><python-3.x><locust>
2024-07-17 15:16:58
1
681
Jiren
78,760,313
11,684,473
Assign DataFrame to particular cell in DataFrame
<p>I have the case when I want to nest DataFrame into another one. The problem is, I want to handle it one by one due to the way data is populated.</p> <p>Some sources of documentation recommend using an <code>.at</code> operator to set value of particular cell. While this works well with scalar types, it causes a prob...
<python><pandas>
2024-07-17 15:16:22
3
1,565
majkrzak
78,760,141
11,815,097
Python: List containers in the Azure Data Lake Storage
<p>I'm trying to list the containers inside a specific directory within Azure Data Lake Storage account, but it doesn't seem to be any function that can handle this:</p> <p>Here is my hierarchy:</p> <pre><code>assets root container1 container2 container3 container4 container5 </code></pre> <p>I wrote the fol...
<python><azure><storage><azure-data-lake><azure-storage-account>
2024-07-17 14:40:54
1
315
Yasin Amini
78,759,990
10,749,925
How do install these packages on Ubuntu?
<p>I'm trying to install 2 packages that were no issue on Anaconda virtual environment. But on an AWS EC2 instance of Ubuntu (v24.04 LTS GNU/Linux 6.8.0-1010-aws x86_64), it's not working.</p> <p>Typically i would just run <code>pip3 install langchain</code> and <code>pip3 install langchain-community</code> but i get t...
<python><linux><ubuntu><amazon-ec2><langchain>
2024-07-17 14:06:55
2
463
chai86
78,759,930
893,254
Is it possible to implement RAII with Python in the context of ensuring that the close() function is called on opened files?
<p>I asked a question earlier today, <a href="https://stackoverflow.com/questions/78758529/is-it-important-to-call-close-on-an-file-opened-with-open-if-flush-i"><em><strong>Is it important to call <code>close()</code> on an file opened with <code>open()</code> if <code>flush()</code> is called after each write() operat...
<python><contextmanager><raii>
2024-07-17 13:54:48
1
18,579
user2138149
78,759,927
16,436,095
Raising NotImplementedError in abstract methods
<p>While studying the source code of the <code>numbers.py</code> module from build-in lib, I came across two variants of <code>@abstractmethod</code> (with and without the <code>NotImplementedError</code> raise). Example:</p> <pre class="lang-py prettyprint-override"><code>class Complex(ABC): @abstractmethod de...
<python><abc>
2024-07-17 13:53:58
0
370
maskalev
78,759,886
12,439,683
Add additional class to Interpreted Text Roles in Sphinx
<p>What I am trying to achieve is to (manually) insert a html-class to certain elements using <a href="https://www.sphinx-doc.org/en/master/usage/domains/python.html#" rel="nofollow noreferrer">sphinx' python domain</a></p> <p>For example I have this string:</p> <pre class="lang-none prettyprint-override"><code>Lore Ip...
<python><python-sphinx><restructuredtext><docutils>
2024-07-17 13:45:57
2
5,101
Daraan
78,759,751
1,867,328
Dropping rows of a dataframe where selected columns has na values
<p>I have below code</p> <pre><code>df = pd.DataFrame(dict( age=[5, 6, np.nan], born=[pd.NaT, pd.Timestamp('1939-05-27'), pd.Timestamp('1940-04-25')], name=['Alfred', 'Batman', np.nan], toy=[np.nan, 'Batmobile', 'Joker'])) </code></pre> <p>Now I want to drop those rows where columns <code>name</code> OR...
<python><pandas>
2024-07-17 13:16:33
1
3,832
Bogaso
78,759,613
14,833,503
AttributeError: module 'keras.src.activations' has no attribute 'get'
<p>I am running the following error when I try to optimize a LSTM using keras tuner in Python: AttributeError: module 'keras.src.activations' has no attribute 'get'.</p> <p>I am using the following versions: | Python version: 3.11.7 | Keras version: 3.4.1 | TensorFlow version: 2.16.2 | Keras Tuner version: 1.0.5</p> <p...
<python><tensorflow><keras><deep-learning>
2024-07-17 12:48:24
0
405
Joe94
78,759,142
665,335
performance issue converting csv file to xlsx in python
<p>I use the code below to convert csv file to xlsx file.</p> <p>For a csv file that is 61MB in size, contains 18 columns and 438,000 rows, it took 3:30 mins, the xlsx file is 29MB in size.</p> <p>For a csv file that is 480 MB in size, contains 95 columns and 760,000 rows, it took 30mins, the xlsx file is 276MB in size...
<python><xlsxwriter>
2024-07-17 11:01:35
1
8,097
Pingpong
78,759,111
18,769,241
How to install Python 3.8.7 using Pip (or easy_install) only in a virtualenv
<p>I have created a virtualenv and want to install python v.3.8.7 using either pip or easy_install tools without affecting the python version installed on the system which Python 2.7.</p> <p>I tried using:</p> <pre><code>pip install python3 --upgrade #in the virtual environment </code></pre> <p>But the error states tha...
<python><python-3.x><pip>
2024-07-17 10:54:45
1
571
Sam
78,759,049
515,028
Using Sparse Categorical CrossEntropy, the loss becomes negative (tensorflow/keras)
<p>I am doing the Tensorflow TF tutorial (<a href="https://www.tensorflow.org/text/tutorials/transformer" rel="nofollow noreferrer">https://www.tensorflow.org/text/tutorials/transformer</a>) but with my own data. My data is not related to text, but it is sequences of tokens anyway, with a start token, and an end token....
<python><tensorflow><keras><transformer-model>
2024-07-17 10:40:58
0
1,638
Dr Sokoban
78,758,991
2,393,472
Parallel calculation of several custom formulas in LibreOfficeCalc
<p>I wrote a custom formula in Python (for example, the name <strong>Formula 1</strong>) and added it as an extension of LibreOfficeCalc.</p> <p>There can be a lot of such formulas on the sheet and with different parameters.</p> <p>Is it possible to somehow force LibreOffice Calc to execute these formulas in any way no...
<python><libreoffice-calc><uno>
2024-07-17 10:26:48
0
333
Anton
78,758,736
8,282,251
How does toml.TomlPreserveInlineDictEncoder() work?
<p>I had a look on the toml library source code and I think I understand that this encoder should format dictionaries in one line instead of classic dictionary toml format.</p> <p>My expected behavior is the following :</p> <pre><code>import toml data = {'a': 1, 'b': 2, 'c': 3} # Default Encoder toml_string = toml.du...
<python><python-3.x><toml>
2024-07-17 09:34:51
1
623
Gautitho
78,758,686
2,351,481
Schedule Firebase Functions in Python
<p>I'm trying to schedule this function to run every week on Monday at 00:05 AM.</p> <p>But it doesn't run at that time. Using <code>@scheduler_fn.on_schedule</code> has no effect on my function.</p> <pre><code>@https_fn.on_request() @scheduler_fn.on_schedule( schedule=&quot;5 0 * * 0&quot;, timezone=scheduler_...
<python><firebase><google-cloud-platform><google-cloud-functions>
2024-07-17 09:22:46
1
365
Cosmin Mihu
78,758,644
9,877,065
Python argparse parse_known_args(namespace=); use of namespace?
<p>Trying to understand <a href="https://github.com/schrodinger/pymol-open-source/blob/master/setup.py" rel="nofollow noreferrer">pymol-open-source setup.py</a>, I came accross this use of <code>argparse.parse_know_args()</code> <code>namespace</code> keyword:</p> <pre><code>import argparse ... class options: os...
<python><argparse><argv>
2024-07-17 09:16:00
2
3,346
pippo1980
78,758,574
13,765,728
How to retrive which DAG has updated a Composer Airflow Dataset
<p>Regarding Google Cloud Composer, I have defined a DAG in this way:</p> <pre><code>dataset = Dataset(&quot;//my_Dataset&quot;) dag = DAG( dag_id='my_dag', default_args=default_args, schedule=[dataset], catchup=False) </code></pre> <p>The Dataset (//my_Dataset) can be updated by 2 different DAGs. My aim is to retri...
<python><airflow><directed-acyclic-graphs><google-cloud-composer>
2024-07-17 08:59:50
1
457
domiziano
78,758,529
893,254
Is it important to call `close()` on an file opened with `open()` if `flush()` is called after each write() operation?
<p>I have read that it is important to call <code>close()</code> on a file which has been opened with <code>open(filename, 'w'|'a')</code> because otherwise changes made to the opened file may not be persisted. I believe this is due to buffering.</p> <p>My understanding is that the GC mechanism cannot be relied on to p...
<python><garbage-collection><raii>
2024-07-17 08:48:57
1
18,579
user2138149
78,758,516
8,946,188
Where to put checks on the inputs of a class?
<p>Where should I put checks on the inputs of a class. Right now I'm putting it in <code>__init__</code> as follows, but I'm not sure if that's correct. See example below.</p> <pre><code>import numpy as np class MedianTwoSortedArrays: def __init__(self, sorted_array1, sorted_array2): # check input...
<python><python-3.x><validation>
2024-07-17 08:46:43
1
462
Amazonian
78,758,511
1,982,032
How can convert the dataframe into desired new dataframe effectively?
<p><code>x</code> is a dataframe:</p> <pre><code>x year mar 31, 2024 mar 31, 2023 0 net income 306.000 524.0000 1 net income growth -0.416 -0.0455 2 retained rate NaN NaN 3 pe 419.930 0.0000 </code></pre> <p>It's ro...
<python><pandas><dataframe>
2024-07-17 08:45:27
1
355
showkey
78,757,840
16,527,170
Converting 1H OHLC Data to 3H OHLC Data using Pandas Dataframe
<p>I have <code>1hr</code> data in <code>df</code> from <code>yfinance</code>. I need to convert that data into <code>3h</code> interval.</p> <p>Sample Code:</p> <pre><code>pip install yfinance import yfinance as yf ticker_symbol = '^NSEI' # Nifty index symbol on Yahoo Finance df = yf.download(ticker_symbol, start='20...
<python><pandas><dataframe>
2024-07-17 05:51:37
1
1,077
Divyank
78,757,696
1,176,573
Python - Check if the last value in a sequence is relatively higher than the rest
<p>For a list of percentage data, I need to check if the last value (<code>90.2</code>) is <em>somehow higher</em> and <em>somewhat &quot;abnormal&quot;</em> than the rest of the data. Clearly it is in this sequence.</p> <p><code>delivery_pct = [59.45, 55.2, 54.16, 66.57, 68.62, 64.19, 60.57, 44.12, 71.52, 90.2]</code>...
<python><statistics>
2024-07-17 04:54:24
2
1,536
RSW
78,757,552
342,553
Work out the correct path for Python mock.patch
<p>I am aware the basics of the path for mock.path, but it's increasingly difficult to work out the correct path when the object is encapsulated by layers of dynamic construction, eg. <a href="https://stackoverflow.com/questions/76250086/django-viewflow-how-to-mock-viewflow-handlers">django viewflow how to mock viewflo...
<python><python-mock><django-viewflow>
2024-07-17 03:47:46
1
26,828
James Lin
78,757,328
4,420,797
Log file: Selection of specific log content inside log file by start and end date
<p>I am working on log analysis where I need to analyze a log file by first extracting the dates within the file. Then, I need to use these dates to define a start date and an end date. Based on the selected start and end dates, only the specific content within that range should be available, effectively filtering the ...
<python><linux><ubuntu><azure-log-analytics>
2024-07-17 01:57:00
1
2,984
Khawar Islam
78,757,257
4,576,447
Plotly figure with subplots and dropdown hides second plot when non-default option selected
<p>I am trying to generate a Plotly figure with two sub plots and has dropdown menu. The default option works fine (Fig. <a href="https://i.sstatic.net/iU1zCFj8.png" rel="nofollow noreferrer">1</a>) but when other values are selected the second plot disappears (Fig. <a href="https://i.sstatic.net/E4BfwMyZ.png" rel="nof...
<python><button><plotly><dropdown><scatter-plot>
2024-07-17 01:16:15
1
6,536
Tom Kurushingal
78,757,230
8,761,448
Can Cloud Function HTTP Trigger Logging other info Excluding Http Response
<p><a href="https://i.sstatic.net/2fHhtgdM.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/2fHhtgdM.png" alt="enter image description here" /></a>I am new to cloud function HTTP trigger, I wrote a simple function for:</p> <pre><code>import functions_framework import logging @functions_framework.http def...
<python><google-cloud-platform><google-cloud-functions>
2024-07-17 00:52:52
0
573
YihanBao
78,757,198
6,498,757
AWS CodeBuild Fails with YAML_FILE_ERROR When Running Python Script in buildspec.yml
<p>I’m trying to run a Python script in AWS CodeBuild using a <code>buildspec.yml</code> file. The Python script is supposed to send an email using AWS SES. Here’s the relevant part of my <code>buildspec.yml</code>:</p> <pre class="lang-yaml prettyprint-override"><code>version: 0.2 phases: install: runtime-versi...
<python><yaml><cicd><amazon-ses><aws-codebuild>
2024-07-17 00:25:59
1
351
Yiffany
78,757,188
1,609,514
Symbolic conversion of transfer function to state-space model using Sympy looks incorrect
<p>I'm trying out the new <a href="https://docs.sympy.org/latest/modules/physics/control/lti.html" rel="nofollow noreferrer">Sympy control module</a> and a bit puzzled by the output of this symbolic conversion of a Laplace transfer function to a continuous-time state-space model:</p> <pre class="lang-python prettyprint...
<python><sympy><state-space><python-control>
2024-07-17 00:19:58
0
11,755
Bill
78,757,169
3,949,008
Python pandas read_sas with chunk size option fails with value error on index mismatch
<p>I have a very large SAS file that won't fit in memory of my server. I simply need to convert to parquet formatted file. To do so, I am reading it in chunks using the <code>chunksize</code> option of the <code>read_sas</code> method in pandas. It is mostly working / doing its job. Except, it fails with the following ...
<python><pandas><sas>
2024-07-17 00:10:50
1
10,535
Gopala
78,757,088
2,009,558
How can I model the curve of asymmetric peaks using scipy.stats.beta?
<p>I am trying to integrate chromatographic peaks. I need to be able to model the peak shape to consistently determine when the peaks begin and end. I can model Gaussian peaks but many peaks are asymmetrical, as in this example data, and would be better modelled with a Beta distribution. I can fit Gaussian models to th...
<python><scipy><curve-fitting><gaussian><beta-distribution>
2024-07-16 23:34:11
2
341
Ninja Chris
78,756,920
2,170,917
Stop execution of a python script as if it ran to the end
<p>I want to stop the execution of a Python (3.12) script with a behaviour that is identical to the script running to completion in ideally all contexts, such as:</p> <ul> <li>run with <code>python script.py</code>;</li> <li>run with <code>python -i script.py</code>;</li> <li>run inside Thonny's shell (or any other IDE...
<python><exit>
2024-07-16 22:05:38
0
2,801
Nikola Benes