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Paulo Haddad Martim
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* Fix broken URLs on docs * Adjust pip URL so header is highlighted * Update URL for TOML specs
77 lines
2.9 KiB
Markdown
77 lines
2.9 KiB
Markdown
# Environment and Shell Configuration
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## Automatic Loading of .env
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If a `.env` file is present in your project, `$ pipenv shell` and `$ pipenv run` will automatically load it, for you:
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$ cat .env
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HELLO=WORLD⏎
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$ pipenv run python
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Loading .env environment variables...
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Python 2.7.13 (default, Jul 18 2017, 09:17:00)
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[GCC 4.2.1 Compatible Apple LLVM 8.1.0 (clang-802.0.42)] on darwin
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Type "help", "copyright", "credits" or "license" for more information.
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>>> import os
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>>> os.environ['HELLO']
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'WORLD'
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Variable expansion is available in `.env` files using `${VARNAME}` syntax:
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$ cat .env
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CONFIG_PATH=${HOME}/.config/foo
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$ pipenv run python
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Loading .env environment variables...
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Python 3.7.6 (default, Dec 19 2019, 22:52:49)
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[GCC 9.2.1 20190827 (Red Hat 9.2.1-1)] on linux
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Type "help", "copyright", "credits" or "license" for more information.
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>>> import os
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>>> os.environ['CONFIG_PATH']
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'/home/kennethreitz/.config/foo'
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This is very useful for keeping production credentials out of your codebase.
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We do not recommend committing `.env` files into source control!
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If your `.env` file is located in a different path or has a different name you may set the `PIPENV_DOTENV_LOCATION` environment variable:
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$ PIPENV_DOTENV_LOCATION=/path/to/.env pipenv shell
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To prevent pipenv from loading the `.env` file, set the `PIPENV_DONT_LOAD_ENV` environment variable:
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$ PIPENV_DONT_LOAD_ENV=1 pipenv shell
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See [theskumar/python-dotenv](https://github.com/theskumar/python-dotenv) for more information on `.env` files.
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## Shell Completion
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To enable completion in fish, add this to your configuration:
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eval (env _PIPENV_COMPLETE=fish_source pipenv)
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Alternatively, with zsh, add this to your configuration:
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eval "$(_PIPENV_COMPLETE=zsh_source pipenv)"
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Alternatively, with bash, add this to your configuration:
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eval "$(_PIPENV_COMPLETE=bash_source pipenv)"
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Shell completions are now enabled!
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## Shell Notes (stale)
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Shells are typically misconfigured for subshell use, so `$ pipenv shell --fancy` may produce unexpected results. If this is the case, try `$ pipenv shell`, which uses "compatibility mode", and will attempt to spawn a subshell despite misconfiguration.
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A proper shell configuration only sets environment variables like `PATH` during a login session, not during every subshell spawn (as they are typically configured to do). In fish, this looks like this:
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if status --is-login
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set -gx PATH /usr/local/bin $PATH
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end
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You should do this for your shell too, in your `~/.profile` or `~/.bashrc` or wherever appropriate.
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The shell launched in interactive mode. This means that if your shell reads its configuration from a specific file for interactive mode (e.g. bash by default looks for a `~/.bashrc` configuration file for interactive mode), then you'll need to modify (or create) this file.
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