I have just discovered the wonderful world of microprocessors and microcontrollers. Since I am still learning python, and it is my first language, I want to learn how to control microcontrollers using python, even though most use C++.
My search led me to the Python-Arduino Command API library available on GitHub. I used the following command to install the library.
pip install Arduino-python
Additional Information: I am using Anaconda Navigator.
The problem:
When I try to import the new library using Spyder which is running python 3.7 I get this error:
File "", line 1, in
import Arduino
File "C:\Users\daypa\Anaconda3\lib\site-packages\Arduino__init__.py", line 4, in
from arduino import Arduino, Shrimp
ModuleNotFoundError: No module named 'arduino'
From the message I see that the file "arduino" is in the same directory as the other packages in my anaconda's "base root" environment.
However when I check that same environment using Anaconda, I do not see it there.
py.serial is there, although im not sure if that came with initial installation of anaconda.
I have also tried installing it using:
conda install -c auto arduino-python
which is the command shown in Anaconda's website.
Related
I am trying to open a Jupyter Notebook file in classic Jupyter Notebook interface. I am attempting to create an interective app that uses Julia programming language in interactive codes. For that I am trying to use the Interact library, because I know it features things such as buttons, sliders, etc. It requires the WebIo extension to be installed. However, from what I have experienced so far, Jupyter notebook does not detect the WebIO extension.
I tried following the instructions at https://juliagizmos.github.io/WebIO.jl/stable/gettingstarted/ and at https://juliagizmos.github.io/WebIO.jl/stable/troubleshooting/not-detected/. In the last link I found that another extension needed to be install and I found more information in this link (https://juliagizmos.github.io/WebIO.jl/latest/providers/ijulia/). I tried executing this command in my Windows prompt and it had apperently been succesful. When executing the command suggested at the second link, I got an error in the Julia REPL saying that WebIO extension for Jupyter Lab must be installed through Python or Conda, which I had already done.
I am also a bit confused as to how I can check to see if the extension is enabled.
I believe the problem has to do either with the installation of IJulia or the pip installation of WebIO. I rarely use pip, so I don't know if I did it correctly.
Thank you.
I am trying to create a layer of simple-salesforce (Python Library) in AWS lambda, and trying to use it (import it) from my python code. I am having windows machine.
Though I read that there might be issues due to compilation windows so I install ubuntu1804 from windows store and then went ahead with creating zip for lambda layers. (zip is created for python folder with structure "python/lib/python3.6/site-packages/......")
I am using Python 3.6. I went through few articles for this issue but could find any resolution. this Video helped me creating a layer for Pandas & requests in AWS successfully with minor tweaks in pip commands I used
sudo python3 -m pip install simple-salesforce -t build/python/lib/python3.6/site-packages
Exactly same process i used for Simple salesforce and I am getting below error is as below:
Unable to import module 'lambda_function': /lib64/libc.so.6: version `GLIBC_2.18' not found (required by /opt/python/lib/python3.6/site-packages/cryptography/hazmat/bindings/_rust.abi3.so)
Edit: --
Another approach I tried using .whl though this was not giving above error but giving error as "request module not found" and when I add request module layer it gives error authlib not found. (request layers work fine if I comment salesforce related things. Even tried uploading as simple layer same authlib issue I got)
Edit :
Lambda code I am using is as below
the code I am using is basic code which doesnt have any logic with empty imports
import json
import pandas as pd
import requests as req
from simple_salesforce.format import format_soql
def lambda_handler(event, context):
#TODO
I also received the same error while installing pysftp on lambda which uses cryptography library(python)
the error was similiar to (required by /opt/python/lib/python3.6/site-packages/cryptography/hazmat/bindings/_rust.abi3.so)
The solution that worked for me is
1] pip uninstall cryptography
2] pip install cryptography==3.4.8
The following github link explains it in detail
https://github.com/pyca/cryptography/issues/6390
AWS lambda functions are like virtual environments, they do not come with the .so files which are kernel level packages. When installing the python packages you have to make sure the system dependent files are installed with it. This can be achieved by passing the argument --platform to pip install.
From AWS post How do I add Python packages with compiled binaries to my deployment package and make the package compatible with Lambda?:
To create a Lambda deployment package or layer that's compatible with Lambda Python runtimes when using pip outside of Linux operating system, run the pip install command with manylinux2014 as the value for the --platform parameter.
pip install \
--platform manylinux2014_x86_64 \
--target=my-lambda-function \
--implementation cp \
--python 3.9 \
--only-binary=:all: --upgrade \
simple-salesforce
I changed my code to not use simple_salesforce library and work out all the logic with Requests ( using Salesforce REST APIs).
This is not really ideal but I could get it working as I had some deliveries to meet.
I am trying to install and use an existing python package in Google Colab. For this, I download the code from Github in Colab and install the package, but when trying to import the installed package, I get a ModuleNotFoundError: No module named 'gem' Error.
However, if I restart the runtime and run the importing cell again, then no error appears.
I am wondering why I need to restart the runtime after installing the package and before importing.
Any clever response will be much appreciated.
My code is:
[1] !wget --show-progress --continue -O /content/gem.zip https://github.com/palash1992/GEM/archive/master.zip
[2] !unzip gem.zip
# Installing Dependencies
[3] ! pip install keras==2.0.2
[4] %cd GEM-master
!sudo python3 setup.py install
%cd-
[5] from gem.utils import graph_util, plot_util
And the error that I get is:
ModuleNotFoundError Traceback (most recent call last)
<ipython-input-5-af270a37878a> in <module>()
1 import matplotlib.pyplot as plt
2
----> 3 from gem.utils import graph_util, plot_util
4 from gem.evaluation import visualize_embedding as viz
5 from gem.evaluation import evaluate_graph_reconstruction as gr
ModuleNotFoundError: No module named 'gem'
---------------------------------------------------------------------------
NOTE: If your import is failing due to a missing package, you can
manually install dependencies using either !pip or !apt.
To view examples of installing some common dependencies, click the
"Open Examples" button below.
---------------------------------------------------------------------------
However, if I restart the runtime using os.kill(os.getpid(), 9) after installing the package and before importing it, then the above error does not appear.
It seems that everything except simple !pip installs seem to not get included in colab's module registry except after a runtime restart. Likely, colab has a fairly naive way of keeping track of available modules. You also have to restart the runtime if you import a different version of a previously installed package.
Probably they just have a script that appends the metadata for piply installed packages to a list-like object during runtime. And imports just search from the top of the list (which is why the restart is required for diff versions of packages).
However, when a new runtime is started, the list-like registry is initialized and populated by searching the relevant directories.
To force a restart:
try:
from gem.utils import graph_util, plot_util
except (ImportError, KeyError, ModuleNotFoundError):
## code to install gem
print('Stopping RUNTIME. Colaboratory will restart automatically. Please run again.')
exit()
Based on multiple answers to Google Colab - How to 'restart runtime' using python code or command line interface?.
I am trying to simply connect to the ibapi (Interactive Brokers API), but I am having some technical troubles with Spyder.
What I did so far:
I installed the latest version for Windows from here
I provided the following path to the PYTHONPATH manager in Spyder: C:\TWS API\source\pythonclient\ibapi afterwards I restarted Spyder
When I simply type import ibapi I get the same error message: ModuleNotFoundError: No module named 'ibapi'
What I am doing wrong here and how can I fix this simple error?
I don't use python very much but I'm pretty sure you have to install the ibapi. I never used the PYTHONPATH and mine works fine in Spyder and Jupyter. I'm using Anaconda.
I run the Anaconda prompt (just activates the conda environment) and navigate to the dir C:\TWS API\source\pythonclient and run python setup.py install
Then everything works. I think many python packages need to be installed like this.
note: That's not my install dir, I just copied yours. There may be a problem with a space in the path. Try renaming to C:\TWSAPI\... if you still have a problem.
Note: after python setup.py install, you might need to restart spyder. If doesn't help, then copy the newly-created ibapi folder to:
C:\Users\iuzeri\AppData\Local\Programs\Python\Python37-32\Lib\site-packages
or
C:\Program Files (x86)\Python37-32\Lib\site-packages
copy your ibapi here
C:/ProgramData/Anaconda3/Lib/site-packages/ibapi
I am working on windows platform and have set up all my requirements for NSGA2 solver but still it is not working. I have downloaded and installed MPI, MinGW, SWIG, Pyopt, pyoptsparse but still I am unable to use the pyoptsparse driver.
If someone could help on this, it will be of a great help. Thanks
I have pasted the error below
D:\Anaconda2\Scripts\python.exe D:/OpenMDAO/Mitul/Sellar/Sellar_MDF.py
Traceback (most recent call last):
File "D:/OpenMDAO/Mitul/Sellar/Sellar_MDF.py", line 6, in <module>
from openmdao.drivers.pyoptsparse_driver import pyOptSparseDriver
File "d:\anaconda2\lib\site-packages\openmdao\drivers\pyoptsparse_driver.py", line 19, in <module>
from openmdao.core.driver import Driver
File "d:\anaconda2\lib\site-packages\openmdao\core\driver.py", line 15, in <module>
from openmdao.util.options import OptionsDictionary
ImportError: No module named options
it is difficult to get MPI and pyopt-sparse built correctly on windows. But It has been done successfully. You can see the docs here for detailed instructions
That being said... there is clearly something wrong with your OpenMDAO installation. That error implies that things are not being copied correctly into the installation folder. Since you're using anaconda, I suggest that you create a new anaconda env as follows:
conda create --name om2 python=2 numpy scipy matplotlib
then activate it with source activate om2 and try to re-install openmdao via pip. You can get the very latest by doing
pip install git+http://github.com/OpenMDAO/OpenMDAO.git#master
Once you've done that, before you try to get mpi/petsc/pyopt-sparse installed you should run our test suite. Follow our docs on that, and if the tests all pass you can move on to the other more advanced install steps.