asteval | minimalistic evaluator of python expression using ast module | Parser library
kandi X-RAY | asteval Summary
kandi X-RAY | asteval Summary
minimalistic evaluator of python expression using ast module
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Top functions reviewed by kandi - BETA
- List comprehension
- Run a node
- Raises an exception
- Parse the given text
- Function call
- Function definition
- Parse a try node
- Assign value to node
- Attribute node
- Compute the comparison operator
- Delete symbols
- For loop
- Iterate while
- Name node
- Subscript node
- Boolean operator
- Return node
- Check if node
- AugAssign node
- Code assignment
- Expression
- Assert node
- Return the names of the given AST node
- Handle generic node
- Slice node
- Binary operator
asteval Key Features
asteval Examples and Code Snippets
Community Discussions
Trending Discussions on asteval
QUESTION
Trying to (re)install Jupyter's nbextension via the following steps in terminal
- pip install jupyter_contrib_nbextensions
- jupyter contrib nbextension install --user
- install --user jupyter nbextension enable varInspector/main
Step 1 = runs and i am able to launch notebooks via "jupyter notebook" in terminal just fine.
Step 2 = fails with
...ANSWER
Answered 2022-Mar-01 at 17:47So in case anyone comes across similar for any reason with me encountering this probably due getting a new machine and IT doing their voodoo magic transferring my old stuff to this new machine.
Anyhow, there were a bunch of things I still needed to install after I got my new machine and i am not able to exactly pin point what caused issues from my question but in the end I was able to resolve. Follow me there below ...
Checking out my python.exe files I found 2 paths. First one added as environment variable
- C:\Users-----\AppData\Local\Programs\Python\Python310
- C:\Users----\AppData\Roaming\Python\Python310\
Second one not added. Adding roaming version to path variables did not solve the issue and gave additional errors instead:
Fatal error in launcher: Unable to create process using '"C:\Program Files\Python310\python.exe"
So
I uninstalled python (done that before didnt help doing just that alone)
Deleted all environment variables pointing to python (here is what environment variables are just in case - https://www.computerhope.com/issues/ch000549.htm)
Uninstalled python extension from VS code (https://marketplace.visualstudio.com/items?itemName=ms-python.python)
Deleted Python folders mentioned in the two paths above
Then reinstalled python (clicked add to path during installation)
Reinstalled VS code python extension
Everything works now.
Best of luck
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install asteval
You can use asteval like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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