I’m a platform engineer building a python CLI app (using click) that teams in the same company could use to launch data processing jobs on our internally managed cluster. I want to build a functionality to collect usage data i.e., record the commands submitted to the app and store them in a database. So…
Tag: python
How to pass arguments to ros launch file from bash script and how to create ros launch file running python script with those parser arguments
I have a python script which runs as follows: I have launch file are follows: Bash script as: I want to pass this foldername in bash to roslaunch file (cam_calibrator.launch) as above, then get that folder-name as argument and send that to my python script “cameracalibrator.py” just like –si…
Collapsing rows
I have the following table below: I would like to collapse Code_1 and Code_2 columns based on ID and Date. Based on what I have found online, I have tried the below snippet of code but it does not seem to be working. df= df.groupby([‘ID’,’Date’]).agg(”.join) DF: ID Date Count_Cod…
Map the multiple value dictionary with a dataframe column
I have a dictionary with multiple values for 1 key. Now, I need to map them with the dataframe column. Any idea how can I solve this? Dictionary Data Expected Answer First we convert the Keys_nd_Values to a df and convert the rows to columns. The function we wrote later does this: get the value of the column …
get specific list by value python
I have a list of dictionary looks like this. I want to get the list by the value of ‘select’ key. For example: this one is not working because of some error list indices must be integers or slices, not str Answer New answer: Since the original post is edited, I updated my answer. First, If you cer…
Python Pandas how to test equality between pandas columns that are category data types
I have large datasets that I cross-join with python pandas. Both datasets load in pandas and I convert all ‘object’ columns to ‘category’. The issue is I need to pd.query() against various ‘category’ dtype columns. When doing so with ‘category’ columns it return…
Removing initial whitespace plus the last empty new line line using python
I am trying to implement a code that prints an 8 by 8 matrix (0 to 63). It should however remove the initial tab spaces and the last empty line. My code is below : The image Below is also the desired output I have tried the dedent function but it fails to remove the last line as well Answer
How to use pytest fixture with fixture factory?
In scikit-learn, there is a function parametrize_with_checks() that is used as a pytest fixture factory–it returns a pytest.mark.parametrize fixture, and is called as a decorator with an iterable of estimators, e.g. My issue is that my list of estimators may change (or I may have multiple lists), and ea…
‘pyarrow’ is not installed – Snowpark stored procedure with Python
I have created this basic stored procedure to query a Snowflake table based on a customer id: It works fine but I would like my sproc to return a JSON object for the whole result set. I modified it thusly: It compiles without errors but fails at runtime with this error: What am I missing here? Answer You need…
How can I retun a list of absolute paths?
The following code returns a list of file-names in a given directory: How can I make it return absolute file paths with minimal modification and preserve the behavior of the function? Answer The easiest way to do this is with pathlib Make your input directory a Path object, use .iterdir() to get all the files…