All Questions
Tagged with macos python-3.x
1,834
questions
495
votes
21
answers
915k
views
How to set Python's default version to 3.x on OS X? [duplicate]
I'm running Mountain Lion and the basic default Python version is 2.7. I downloaded Python 3.3 and want to set it as default.
Currently:
$ python
version 2.7.5
$ python3.3
version 3.3
How ...
288
votes
30
answers
628k
views
certificate verify failed: unable to get local issuer certificate
I am trying to get data from the web using python. I imported urllib.request package for it but while executing, I get error:
certificate verify failed: unable to get local issuer certificate (_ssl.c:...
211
votes
10
answers
249k
views
pip or pip3 to install packages for Python 3?
I have a Macbook with OS X El Captain. I think that Python 2.7 comes preinstalled on it. However, I installed Python 3.5 too. When I started using Python 3, I read that if I want to install a package, ...
190
votes
5
answers
97k
views
Multiprocessing causes Python to crash and gives an error may have been in progress in another thread when fork() was called
I am relatively new to Python and trying to implement a Multiprocessing module for my for loop.
I have an array of Image url's stored in img_urls which I need to download and apply some Google vision....
186
votes
25
answers
799k
views
Updating Python on Mac
I wanted to update my python 2.6.1 to 3.x on mac but I was wondering if it's possible to do it using the terminal or I have to download the installer from python website?
I am asking this question ...
148
votes
17
answers
340k
views
How to install pip for Python 3 on Mac OS X?
OS X (Mavericks) has Python 2.7 stock installed. But I do all my own personal Python stuff with 3.3. I just flushed my 3.3.2 install and installed the new 3.3.3. So I need to install pyserial again. I ...
133
votes
8
answers
227k
views
pip3: bad interpreter: No such file or directory
I am trying to install dependencies using pip3 command
current scenario:
Dev$ which python
/Users/Dev/anaconda/bin/python
Dev$ which python3
/usr/local/bin/python3
Dev$ pip --version
pip 10.0.1 ...
118
votes
6
answers
161k
views
Make python3 as my default python on Mac
What I'm trying to do here is to make python3 as my default python. Except the python 2.7 which automatically installed on mac, I installed python3 with homebrew. This is the website that I'm ...
110
votes
11
answers
295k
views
SSL: CERTIFICATE_VERIFY_FAILED with Python3 [duplicate]
I apologize if this is a silly question, but I have been trying to teach myself how to use BeautifulSoup so that I can create a few projects.
I was following this link as a tutorial: https://www....
71
votes
10
answers
69k
views
Why does Python installed via Homebrew not include Tkinter [duplicate]
I've installed Python via Homebrew on my Mac.
brew install python
After that I checked my Python version as 2.7.11, then I tried to perform
import Tkinter
I got following error message:
Traceback (...
63
votes
14
answers
81k
views
numpy build fail in M1 Big sur 11.1
I am using MacBook m1 which is running Big Sur 11.1 ,and I have installed Xcode-commandline-tools version 12.3 and it has installed python3.8.5 and pip3 .python3 and pip are native apps,that is they ...
58
votes
7
answers
174k
views
Switch between python 2.7 and python 3.5 on Mac OS X
I generally use Python 2.7 but recently installed Python 3.5 using Miniconda on Mac OS X. Different libraries have been installed for these two versions of python. Now, the entering either of the ...
57
votes
9
answers
101k
views
Install virtualenv and virtualenvwrapper on MacOS
How to install and configure virtualenv and virtualenvwrapper for Python on MacOS?
54
votes
12
answers
165k
views
Selenium gives "selenium.common.exceptions.WebDriverException: Message: unknown error: cannot find Chrome binary" on Mac
Trying to get selenium to work with Python 3 for web scraping purposes:
from selenium import webdriver
chrome_path = r"/Library/Frameworks/Python.framework/Versions/3.6/bin/chromedriver"
driver = ...
49
votes
11
answers
89k
views
How to install pyaudio on mac using Python 3?
I first tried:
pip install pyaudio
but I was told that
-bash: pip: command not found
Then I tried:
pip3 install pyaudio
Then I got:
src/_portaudiomodule.c:29:10: fatal error: 'portaudio.h' file not ...
43
votes
12
answers
113k
views
Pip install on Mac OS gets error: command '/usr/bin/clang' failed with exit code 1
I want to install google-cloud-pubsub via pip installation on Mac OS but I get an error: distutils.errors.CompileError: command '/usr/bin/clang' failed with exit code 1. The command I run: pip install ...
39
votes
3
answers
153k
views
Completely uninstall Python 3 on Mac
I installed Python 3 on Mac and installed some packages as well. But then I see AWS lamda does not support Python 3 so I decided to downgrade. I removed Python3 folder in Applications and cleared the ...
37
votes
2
answers
19k
views
Getting error while trying to run this command " pipenv install requests " in mac OS
I am facing the following error:
Warning: the environment variable LANG is not set!
We recommend setting this in ~/.profile (or equivalent) for proper expected behavior.
Creating a virtualenv for this ...
37
votes
4
answers
23k
views
This application failed to start because it could not find or load the Qt platform plugin "cocoa"
I think I did everything I could in the last 20 hours, but nothing seems to work. My app is running and working -- just as it should -- the only problem I have is that I cannot create a .app bundle ...
35
votes
8
answers
43k
views
Issues installing Python 3.8.10 on macOS 12.3 Monterey
Anyone having issues installing python 3.8.10 on macOS Monterey M1 Mac? Any version I try to install using pyenv install gives me this error:
python-build: use [email protected] from homebrew python-build: ...
33
votes
4
answers
70k
views
How to default Python3.8 on my Mac using Homebrew?
I have updated my python 3 to the latest version 3.8:
brew search python
==> Formulae
app-engine-python gst-python python ✔ [email protected] ✔
boost-python ipython ...
32
votes
6
answers
78k
views
Anaconda and upgrading to new M1 Mac
Background
I've just got a new M1 mac mini dev machine, and migrated from my old x86 mac using apple's migration assistant.
Doing that also copied over all my conda environments to the new machine (...
29
votes
5
answers
19k
views
Using Python 3.1 with TextMate
TextMate seems to use the built-in Python version I assume (sys.path doesn't work). How do you configure it to use 3.1 instead? I've already installed the 3.1 package and I can use IDLE for ...
28
votes
6
answers
37k
views
brew install python3 didn't install pip3
I installed python3 using homebrew but it didn't install pip3 or should I say it installed but it doesn't recognize the command ?
Here is what I did:
brew install python3
This installed python3 but ...
28
votes
6
answers
46k
views
dyld: Library not loaded: /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
vincens@VMAC: python3
dyld: Library not
loaded:/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
Referenced from:
/Library/Frameworks/Python.framework/Versions/3.6/...
28
votes
2
answers
31k
views
Issues Installing Python 3.x via Pyenv
I have just gotten a new Macbook Air with M1 chip and I am trying to install Python 3.8.3 (or any 3.x version) via pyenv. I was able to install pyenv via Homebrew, but when I try to install a new ...
28
votes
8
answers
40k
views
Installation of earlier versions of Python (prior to 3.8) fails on Mac with M1 Chip (ARM based Apple Silicon)
I have Macbook with Apple M1 Chip in which I have to use Python 3.6.5 for my project. It comes with Python 2.7.16 and 3.8.2 preinstalled. I used brew to install Python which by default installed 3.9.1....
26
votes
3
answers
22k
views
brew install doesn't link python3
I'm having trouble linking python3 and making python3 the default python.
MacOS 10.13.6
Here's what I did:
$ python --version
Python 2.7.15
$ python3 --version
Python 3.7.0
$ xcode-select --version
...
23
votes
10
answers
23k
views
python setup.py egg_info mysqlclient
Trying to install mysqlclient using pip3 on Python 3.6.0
$ pip3 install mysqlclient
Collecting mysqlclient
Using cached mysqlclient-1.3.10.tar.gz
Complete output from command python setup.py ...
22
votes
4
answers
19k
views
python3.8 fails with "Fatal Python error: config_get_locale_encoding"
OK, so somehow I have mangled my python3 installation under macOS Mojave and I'm not sure how. I've used macports for years to keep python up to date but when I installed python38 now I cannot run ...
21
votes
4
answers
17k
views
No Module Named AppKit
I am trying to run an audio file in Python:
from playsound import playsound
def main():
playsound('audio.mp3')
main()
However, I keep getting the following error:
File "/Library/Frameworks/...
21
votes
1
answer
20k
views
No such file or directory: 'gdal-config'
I am trying to install fiona and geopandas on a mac machine.
I have installed GDAL trough brew install gdal --HEAD
If I try install fiona, I get the following:
sudo pip3 install fiona
Collecting fiona
...
21
votes
2
answers
6k
views
OS X cmake can't find PythonLibs 3.4
python and python3 are installed in OS X Yosemite via Homebrew, but cmake fails to find PythonLibs 3, only 2:
CMakeLists.txt:
set(Python_ADDITIONAL_VERSIONS 3.4)
FIND_PACKAGE(PythonInterp REQUIRED)
...
18
votes
5
answers
21k
views
Can't install OpenCV3 on Anaconda3 python3.6 on macOS
I'm trying to install OpenCV 3.2.0 on Anaconda3 python 3.6 on macOS 10.11.6 but I can't find a way.
My Anaconda3 has python 3.5.2 installed but if I create a new virtual environment using
$ conda ...
18
votes
3
answers
14k
views
import pyodbc failure mac os
I've tried to install pyodbc on mac, but I got this error
Traceback (most recent call last):
File "Untitled.py", line 1, in <module>
import pyodbc
ImportError: dlopen(/usr/local/lib/...
18
votes
3
answers
10k
views
pip install mysqlclient failed "Running setup.py bdist_wheel for mysqlclient ... error"
I'm trying to run my Python 3 project on my newly formatted Mac OS High Sierra 10.13.4, by first running pipenv install to get the dependencies, but that fails.
Specifically, the part where it fails ...
18
votes
3
answers
24k
views
How to set which version of python sublime text uses
I have been teaching myself python and started out using python 2.7.5 and Sublime Text 2. I recently enrolled in a class and they are using python 3.4. I downloaded and installed python 3.4 onto my ...
18
votes
2
answers
18k
views
"OSError: [Errno 22] Invalid argument" when read()ing a huge file
I'm trying to write a small script that prints the checksum of a file (using some code from https://gist.github.com/Zireael-N/ed36997fd1a967d78cb2):
import sys
import os
import hashlib
file = '/...
18
votes
0
answers
12k
views
What version(s) of Python is shipped with macOS 11 Big Sur? [closed]
For example running macOS Catalina v10.15, I have /usr/bin/python giving Python 2.7.16 and /usr/bin/python3 giving Python 3.7.3.
With macOS Big Sur v11.0, has Apple finally dropped Python 2 and made ...
17
votes
3
answers
25k
views
Jupyter Notebook didn't save for over a day. How can I recover lost work?
I've lost a day's work in Jupyter Notebook because it didn't autosave. As I was working, I would click on File > Save and Checkpoint to be safe. I closed the notebook when I finished working and when ...
17
votes
3
answers
72k
views
ImportError: No module named serial
I have a script written in Python 3 with 3.3.5 installed, and I am getting this error from the terminal whenever I try to run it. I am using a Mac, OSX 10.7.5
I have already installed pyserial (...
17
votes
3
answers
3k
views
Fatal error in extension: PyThreadState_Get: no current thread
I've seen several posts that have stated the same error, but looking and trying out the answers in those posts have not helped. I was wondering if someone could look at this and see if something pops ...
16
votes
1
answer
13k
views
Python3 installed successfully, but cannot be opened in terminal
Yesterday I've reinstalled my Mac OS X 10.8, before this reinstallation there were python2.7.5 and python3.3.2 installed on my machine and worked fine, but after this system reinstallation I cannot ...
16
votes
2
answers
9k
views
Pandas to_csv(sys.stdout) doesn't work under my environment
I ran a following simple script:
import sys
import pandas as pd
df = pd.DataFrame([[1,2,3], [4,5,6]])
df.to_csv(sys.stdout)
Expected Output (as standard output)
,0,1,2
0,1,2,3
1,4,5,6
However, I ...
16
votes
2
answers
24k
views
Python3 does not find modules installed by pip3
I'm having problems with python3. For some reason that I cannot figure out, the modules available in python3 are not the same as the ones installed via pip3.
Running pip3 list in a Terminal returns:
...
15
votes
7
answers
35k
views
Why does loading tensorflow on Mac lead to "Process finished with exit code 132 (interrupted by signal 4: SIGILL)"?
I am using a MacBook Pro with M1 processor, macOS version 11.0.1, Python 3.8 in PyCharm, Tensorflow version 2.4.0rc4 (also tried 2.3.0, 2.3.1, 2.4.0rc0). I am trying to run the following code:
import ...
15
votes
2
answers
94k
views
Uninstalling python3 on MacOs
I have uninstalled python3 using brew on macOS Catalina 10.15.3:
brew uninstall python3
brew list | grep python
python@2
But it still there:
which python3
/usr/bin/python3
python3 -V
Python 3.7.3
...
14
votes
2
answers
22k
views
UserWarning: Implicit dimension choice for log_softmax has been deprecated
I´m using Mac OS el capitán and I am trying to follow the quick start tutorial for OpenNMT pytorch version. In the training step I get the following warning message:
OpenNMT-py/onmt/modules/...
14
votes
5
answers
32k
views
How to use wxPython for Python 3?
I installed wxPython 3.0.1.1, but I'm unable to import wx using Python 3.4.1. I am getting the following error:
Python 3.4.1 (v3.4.1:c0e311e010fc, May 18 2014, 00:54:21)
[GCC 4.2.1 (Apple Inc. build ...
14
votes
3
answers
20k
views
How to upgrade to python 3.5 from 2.7 in Mac OSX
How to upgrade from python 2.7 to 3.5 in Mac OSX? I downloaded python 3.5 .dmg file and installed it. what are the changes I should make for PYTHONPATH and PATH?
Is it possible to use both without ...