Now there is (disclaimer: I did it). All you need is to install pip-chill from PyPI and run pip-chill from your Python environment. If you are feeling adventurous and don’t want to pin versions (or want to use pip-compile), you can use pip-chill –no-version and it’ll give you the minimal requirements for your current environment. … Read more
You should take a look at pipdeptree: $ pip install pipdeptree $ pipdeptree -fl Warning!!! Cyclic dependencies found: ———————————————————————— xlwt==0.7.5 ruamel.ext.rtf==0.1.1 xlrd==0.9.3 openpyxl==2.0.4 – jdcal==1.0 pymongo==2.7.1 reportlab==3.1.8 – Pillow==2.5.1 – pip – setuptools It doesn’t generate a requirements.txt file as you indicated directly. However the source (255 lines of python code) should be relatively easy … Read more
For installing multiple packages on the command line, just pass them as a space-delimited list, e.g.: pip install wsgiref boto For installing from a text file, then, from pip install –help: -r FILENAME, –requirement=FILENAME Install all the packages listed in the given requirements file. This option can be used multiple times. Take a look at … Read more
As others have stated, Python 3.10 is not currently compatible with Matplotlib. You need to install and use Python 3.9 until it is supported. Until then you have a few options: Windows You can use the Python Launcher for Windows (py.exe) script to choose which Python version to run like so: py.exe script help: py … Read more
Updated 2013-09-30: the current way to clear the virtualenv seems to specify a different python runtime version in runtime.txt as stated on Github and in the Heroku’s devcenter reference. Be aware that Heroku currently “only endorses and supports the use of Python 2.7.4 and 3.3.2” so unless your application supports both Python 2.7.4 and 3.3.2, … Read more
Run in command prompt. pip list Check what version you have installed on your system if you have an old version. Try to uninstall the package… pip uninstall requests Try after to install it: pip install requests You can also test if pip does not do the job. easy_install requests
Edit Since this answer was posted, gevent has released several new versions, including prebuilt wheels for Python 3.8 on Windows, so the pip install gevent –pre shouldn’t be necessary anymore – just run pip install auto-py-to-exe as usual and it should work. Original answer Allow prerelease gevent versions via $ pip install gevent –pre $ … Read more
I repaired mine this with command: easy_install pip
The error means that Unicode characters that your script are trying to print can’t be represented using the current console character encoding. Also try to run set PYTHONIOENCODING=UTF-8 after execute pip –version without reloading terminal if everything going well add PYTHONIOENCODING as env variable with value UTF-8. See How to set the path and environment … Read more
Consider the following scenario. You have three versions of Python installed: Python 3.7 Python 3.8 Python 3.9 Your “default” version is 3.8. It’s the first one appearing in your path. Therefore, when you type python3 (Linux or Mac) or python (Windows) in a shell you will start a 3.8 interpreter because that’s the first Python … Read more