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Add distinction between venv and non-venv

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Fabian Affolter 2017-08-02 12:11:56 +02:00
parent a3359cb421
commit 3caddc2bad
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1 changed files with 3 additions and 3 deletions
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source/developers/component_deps_and_reqs.markdown
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@ -21,9 +21,9 @@ DEPENDENCIES = ['mqtt']
## {% linkable_title Requirements %} ## {% linkable_title Requirements %}
Requirements are Python libraries that you would normally install using `pip` for your component. Home Assistant will try to install the requirements into the `deps` subdirectory of the Home Assistant configuration directory (`.home-assistant` by default) or verify it is already installed at startup. If that fails, the component will fail to load. Requirements are Python libraries or modules that you would normally install using `pip` for your component. Home Assistant will try to install the requirements into the `deps` subdirectory of the Home Assistant [configuration directory](/docs/configuration/) if you are not using a `venv` or in something like `path/to/venv/lib/python3.6/site-packages` if you running in a virtual environment. This will make sure that all requirements are present at startup. If steps fails like missing packages for the compilation of a module or other install errors, the component will fail to load.
Requirements is a list of strings. Each entry is a pip compatible string. For example, the media player Cast platform depends on the Python package PyChromecast v0.6.12: Requirements is a list of strings. Each entry is a `pip` compatible string. For example, the media player Cast platform depends on the Python package PyChromecast v0.6.12:
```python ```python
REQUIREMENTS = ['pychromecast==0.6.12'] REQUIREMENTS = ['pychromecast==0.6.12']
@ -36,7 +36,7 @@ During development of a component, it can be useful to test against different ve
This will use the specified version, and prevent Home Assistant from trying to override it with what is currently in `REQUIREMENTS`. This will use the specified version, and prevent Home Assistant from trying to override it with what is currently in `REQUIREMENTS`.
If you need to make changes to a requirement to support your component, it's also possible to pip install from a checkout of the requirement. If you need to make changes to a requirement to support your component, it's also possible to `pip install` from a checkout of the requirement.
* `git clone https://github.com/balloob/pychromecast.git` * `git clone https://github.com/balloob/pychromecast.git`
* `pip install ./pychromecast` * `pip install ./pychromecast`