Manage chamber environments.
Manage chamber environments
This project is inspired by
It's supposed to be a helper tool, that easily installs, removes, lists and switches different versions of chamber.
It downloads the different versions of
chamber from the github release page: https://github.com/segmentio/chamber/releases.
It creates the configuration folder:
It manages the executable files in:
~/.local/bin, so make sure this is in your
- This is work in progress.
- I only tested it with
linux, downloading and running
- Get help:
- Get the tool version:
- General usage.
- List managed versions of chamber:
chamberenv list # Result: * v2.8.2 (set by /home/norman/.config/chamberenv/version) v2.8.0
- Install a specific version of chamber:
chamberenv install --chamber-version v2.7.5 # Result: INFO:ChamberEnv:Chamber version: v2.7.5 INFO:ChamberEnv:CHECKSUM OK. Downloaded chamber version 'v2.7.5'. Using chamber version 'v2.7.5' now. chamber version # Result: chamber v2.7.5
- The version of chamber will be downloaded if necessary.
- The given version will be activated as well.
- Use a specific version of chamber:
chamberenv use --chamber-version v2.8.2 # Result: INFO:ChamberEnv:Chamber version: v2.8.2 Using chamber version 'v2.8.2' now. chamber version # Result: chamber v2.8.2
- Nothing is downloaded.
- The given version will be activated.
- Uninstall a specific version of chamber:
chamberenv uninstall --chamber-version v2.7.5 # Result: INFO:ChamberEnv:Chamber version: v2.7.5 Removed chamber version 'v2.7.5'.
- The downloaded files for this version of chamber will be removed.
- You cannot uninstall the active version of chamber:
chamber version # Result: chamber v2.8.2 chamberenv uninstall --chamber-version v2.7.5 # Result: INFO:ChamberEnv:Chamber version: v2.8.2 ERROR:ChamberEnv:Not uninstalling the active chamber version. Switch first using 'use'.
- The only exception to the above rule is when the active version of chamber is the only version installed. This will remove the downloaded files as well as the
- List managed versions of chamber:
- The option
--debugshows debug information.
chamberenv install --help
requirements.txt vs. setup.py
According to these sources:
I try to stick to:
requirements.txtlists the necessary packages to make a deployment work.
setup.pydeclares the loosest possible dependency versions.
You won't ever need this probably - This is helpful when developing the
pip-tools is used to create
- There is
requirements.inwhere dependencies are set and pinned.
- To create the
update_requirements.shwhich basically just calls
- There also is
build_requirements.txtwhich only contains
pip-tools. I found, when working with virtual environments, it is necessary to install
pip-toolsinside the virtual environment as well. Otherwise
pip-syncwould install outside the virtual environment.
A development environment can be created like this:
# Create a virtual environment 'venv'. python -m venv venv # Activate the virtual environment 'venv'. . /venv/bin/activate # Install 'pip-tools'. pip install --upgrade -r build_requirements.txt # Install dependencies. pip-sync requirements.txt ... # Deactivate the virtual environment 'venv'. deactivate
If installed using
pip, a system executable will be installed as well.
This way, you can just use the tool like every executable on your system.
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