everyone,
The default version of python on the Raspberry Pi 4 is 3.9. I need python 3.7. I successfully install python 3.7.4 and set it as default by adding the line alias python3='python3.7' to the bashcr file. Then I install opencv using pip3. I got: from .cv2 import *
ImportError: libImath-2_2.so.23: cannot open a shared object file: No such file or directory
I also installed it from the source and got the same result.
I investigated and found out that I need to install libilmbase12, but I got the following error message.
E: The package libilmbase12 could not be found
I appreciate any help.
I found a way. I change raspbian from bullseye to buster. Everything works fine. The problem was the compatibility of python and opencv version
You install OpenCV from bash :
sudo apt install python3-opencv
I want to install OpenCV. First thing I did was creating a virtual environment by following command in Ubuntu 16:
" conda create -n opencv3.4_py3.6 "
Then, I followed the official instruction here (Building OpenCV from source):
https://docs.opencv.org/3.4/d2/de6/tutorial_py_setup_in_ubuntu.html
However, when I tried to install dependencies, the following message came up:
Unable to locate package "Package Name"
As it can be seen int the attached image
My purpose is installing OpenCV in a Virtual Environment. Also, I want to import and use OpenCV in Spyder.
Any idea about how it can be done?
(Spyder maintainer here) After doing
conda create -n opencv3.4_py3.6
you need to run these other three commands to get what you want
source activate opencv3.4_py3.6
conda install opencv python=3.6*
conda install spyder
You don't need to compile Opencv because you can install it with conda.
I'm following some lectures from lynda.com about deep learning using Keras-TensorFlow in a PyCharmCE enviroment and they didn't have this problem.
I get this error:
raise ImportError('Could not import PIL.Image. '
ImportError: Could not import PIL.Image. The use of array_to_img requires PIL.
I have checked if others get the same error, but for me installing pillow using pip with the command pip install Pillow doesn't solve anything.
MacBook-Pro-de-Rogelio:~ Rogelio$ pip install Pillow
Requirement already satisfied: Pillow in ./anaconda3/lib/python3.6/site-packages
MacBook-Pro-de-Rogelio:~ Rogelio$
Any solution?
All you need to do is install pillow:
pip install pillow
Then you should be all set. Found this after hours of searching.
I had the exact same error and I fixed it the following way:
1) Run this command in your Jupyter Notebook:
import sys
from PIL import Image
sys.modules['Image'] = Image
2) Run the following two lines in your notebook to be sure that they are correctly pointing to the same directory (if not it's because your PIL old library is messing up with the Pillow library)
from PIL import Image
print(Image.__file__)
import Image
print(Image.__file__)
3) If that's working correctly and both import prints pointing to the same python3 directory then move on.
If not:
3.a) Go to your OS console and to your conda environment (be sure you are working within your desire conda environment) :
conda uninstall PIL
conda uninstall Pillow
conda install Pillow
You should now have successfully installed all the libraries for Pillow and let behind any problems with PIL.
3.b) Now try to execute the code of your jupyer notebook again, now the paths to both the imports should look exactly the same
4) Now, in the OS console/terminal, having your desired conda environment active, run the following commands:
conda install keras
conda install tensorflow
5) Run your jupyter notebook script again, It should be fixed and working now!
If it's still not working, it must be because you have opened a jupyter notebook kernel that's not point to the right environment. Fix that and you will be fine!
If this problem is being seen on an Anaconda env,
use
conda install pillow
and reopen
I ran into a similar issue with keras + tensorflow + miniconda.
I followed this advice from this issue : https://github.com/asataniAIR/Image_DL_Tutorial/issues/4 and did a pip install in conda admin console.
So I enter
pip install --upgrade tensorflow keras numpy pandas sklearn pillow
on anaconda prompt, and add
from sklearn.preprocessing import LabelEncoder
in python code instead
from PIL import Image
Here's what worked for me. Uninstall the conda version of pillow and install the pip version, then restart the kernel of your Jupyter Notebook
conda uninstall --force pillow
pip install pillow
pip install pillow
This did it for me as well.
I am using Jupyter Notebook, and Tensorflow2.0 Keras. To set the context, I got this error when i was trying to use builtin image.load_img() function in Keras. You will have to restart your kernel as well after doing this install.
I encountered the same problem while working on Pycharm. Even after trying various methods on the internet, I could not solve it. When I ran the code on Jupyter notebook, it asked me to install the module, SciPy. I installed it and the code is now working on Pycharm.
I have the same problem good news is it can be easily solvable.
my problem was:
I was using jupyter notebook for my python project which was launched using Anaconda navigator. In the python program I was using the function
image_ = image.load_img(image_path, target_size=(224,224))
then I got this error "raise ImportError('Could not import PIL.Image. ' ImportError: Could not import PIL.Image."
solution worked for me:
in the environment you are using for jupyternotebook firstly uninstall pillow using the command
conda uninstall --force pillow
then install it using the command
pip install pillow
(type these commands in the anaconda prompt)
then close all your notebooks and anaconda navigator, open anaconda navigator with the environment that you have installed before, in that environment launch the jupyter notebook and run the code
it will work
I had the exact same question. And I fixed it by changing my environment variables. Because I had two versions of python in my windows PC.
So I changed the priority, and moved the python 3.x version at the top position.
Then I reinstalled the pillow, and the problem was solved.
if pip and conda installing is not working for you try to:
pip3 install pillow
and then:
from PIL import Image
It should work! Check your python version and which one are you using as default! :)
Using a conda environment run conda install pillow. If you're using Jupyter notebook, don't forget to restart the Kernel.
This just worked for me.
If anyone wondering the above-mentioned process can be implemented using anaconda navigator.
Open the navigator, go to the Environments tab you are currently working and search pillow from the uninstalled tab before the search tab (if it's not installed in the current environment you are working)
Then select pillow and apply. Install then.
After that go to Home tab and launch Spyder.
If your using Anaconda 3, u have to install Pillow in the environment that your working on. just go to the not install section and search for Pillow, then install it to the environment. This way will nail the problem for you.
Install these:
$ pip install pillow -U
$ pip install pathlib -U
It may be a version issue, I had this issue with TensorFlow 3.2.0 and setting pillow to 8.2.0 worked for me somehow along the way of uninstall/reinstall/restart.
I am new to the openCV library. When I was first trying the code for a feature matching tutorial
Python Tutorial Link
All other functions except for the 'drawMatches' function does not work. I figured out that my openCV version is not correct. Then I update my openCV version to the newest version(3.2.0) using command
conda install -c conda-forge opencv' and 'conda update --all
The problem now is that all other functions does not work because it does not recognize cv2. The error I get is like the following:
ImportError: dlopen(/Users/qdai/anaconda/lib/python2.7/site-packages/cv2.so,
Library not loaded: #rpath/libopenblasp-r0.2.19.dylib
Referenced from: /Users/qdai/anaconda/lib/libopencv_hdf.3.2.0.dylib
I don't know what is the relationship between cv2 and opencv. And how do I solve this problem?
From the paths you have in your example, I am assuming you're on Mac?
If so, I had this same problem.
After having homebrew installed this ended up working for me:
brew tap homebrew/science
brew install opencv
cd /Library/Python/2.7/site-packages/
sudo ln -s /usr/local/Cellar/opencv/2.4.9/lib/python2.7/site-packages/cv.py cv.py
sudo ln -s /usr/local/Cellar/opencv/2.4.9/lib/python2.7/site-packages/cv2.so cv2.so
Hope this helps.
I'm having a problem getting my local variables autocompleted. This is a very basic functionality which I'm sure it should support. When I'm starting to write a variable name which was already declared, and press TAB (this is the default shortcut), I get nothing. Is this a bug?
(Spyder dev here) Spyder does complete local variables but to have this functionality you need to install a library called rope. You can do it by running this command in a terminal
pip install rope
If you use Python 3 this command needs to be
pip install rope_py3k
Besides, code completion on the Editor works now with both Ctrl+Space and with Tab.
Edit: Updated answer for the Spyder version 2.3.0.
Another hint:
If you want to customize the shortcut (for example, your 'ctrl+space' is already occupied), try
Tools--Preferences--Keyboard shortcuts--code completion
you can change it to whatever you want
Idoda, I made a little guide to install Python for scientific computing on Ubuntu or Debian from their repositories. I tested correctly using Python 3 on Ubuntu 14.04 LTS.
It summarizes as follows. First, install the interpreter and the package manager:
sudo apt-get install python3 python3-pip
Now install the Spyder's IDE:
sudo apt-get install spyder3
Thanks to Carlos Cordoba's advice, if you want to enjoy the autocomplete execute:
sudo pip3 install rope_py3k
Finally, open Spider and check if the autocomplete works rightly.
In my case, with the command conda install spyder, the installation process prompted me with the following...
The following NEW packages will be INSTALLED:
rope: 0.10.5-py36_0 conda-forge
spyder: 3.1.4-py36_0 conda-forge
Proceed ([y]/n)? y
I want to point out that my anaconda installation is for python 3. After this auto-completion was working. I'm utilizing OS X El Capitan.
Usually, ctrl+space is set to code completion in
Tools -> Preferences -> Keyboard shortcuts -> code completion
We have the option to change it to another shortcut.