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Move command up (fixes #4103) (#4182)

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Fabian Affolter 2017-12-10 12:09:29 +01:00 committed by GitHub
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source/_docs/installation/virtualenv.markdown
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@ -13,9 +13,9 @@ redirect_from: /getting-started/installation-virtualenv/
Beginners should check our [getting started guide](/getting-started/) first.
</p>
There are several reasons why it makes sense to run Home Assistant in a virtual environment. A [virtualenv](https://virtualenv.pypa.io/en/latest/) encapsulates all aspect of a Python environment within a single directory tree. That means the Python packages you install for Home Assistant won't interact with the rest of your system and vice-versa. It means a random upgrade for some other program on your computer won't break Home Assistant, and it means you don't need to install Python packages as root.
There are several reasons why it makes sense to run Home Assistant in a virtual environment. A [virtual environments (or short `venv`)](https://docs.python.org/3.6/library/venv.html) encapsulates all aspect of a Python environment within a single directory tree. That means the Python packages you install for Home Assistant won't interact with the rest of your system and vice-versa. It means a random upgrade for some other program on your computer won't break Home Assistant, and it means you don't need to install Python packages as root.
Virtualenvs are pretty easy to setup. We'll be using Debian in this example (as many Home Assistant users are running Raspbian on a Raspberry Pi), but all of the Python related steps should be the same on just about any platform.
Virtual environments are pretty easy to setup. We'll be using Debian in this example (as many Home Assistant users are running Raspbian on a Raspberry Pi), but all of the Python related steps should be the same on just about any platform.
### {% linkable_title Basic guide %}
@ -69,17 +69,14 @@ $ sudo usermod -G dialout -a homeassistant
## {% linkable_title Custom installation directory for Home Assistant (Basic guide step 2) %}
This can be anywhere you want. We chose to put it in `/srv`. You also need to change the ownership of the directory to the user you created above.
This can be anywhere you want. We chose to put it in `/srv`. You also need to change the ownership of the directory to the user you created above.
```bash
$ sudo mkdir /srv/homeassistant
$ sudo chown homeassistant:homeassistant /srv/homeassistant
$ python3 -m venv /srv/homeassistant
```
## {% linkable_title Install or update Home Assistant %}
This is obviously only necessary if you created a `homeassistant` user, but if you did, be sure to switch to that user whenever you install things in your virtualenv, otherwise you'll end up with mucked up permissions.
Switching to your `homeassistant` user is obviously only necessary if you created a `homeassistant` user, but if you did, be sure to switch to that user whenever you install things in your virtual environment, otherwise you'll end up with mucked up permissions.
```bash
$ sudo su -s /bin/bash homeassistant
@ -87,6 +84,23 @@ $ sudo su -s /bin/bash homeassistant
The `su` command means 'switch' user. We use the '-s' flag because the `homeassistant` user is a system user and doesn't have a default shell by default (to prevent attackers from being able to log in as that user).
Now, you can setup your virtual environment.
```bash
$ python3 -m venv /srv/homeassistant
```
## {% linkable_title Install or update Home Assistant %}
With [`pip`](https://pip.pypa.io/en/stable/quickstart/) you are now able to install Home Assistant in your virtual environment.
```bash
$ source /srv/homeassistant/bin/activate
(homeassistant)$ pip3 install homeassistant
```
Or updating:
```bash
$ source /srv/homeassistant/bin/activate
(homeassistant)$ pip3 install --upgrade homeassistant
@ -94,7 +108,7 @@ $ source /srv/homeassistant/bin/activate
## {% linkable_title Run Home Assistant (Basic guide step 4) %}
There are two ways to launch Home Assistant. If you are **in** the virtualenv, you can just run `hass` and it will work as normal. If the virtualenv is not activated, you just use the `hass` executable in the `bin` directory mentioned earlier. There is one caveat... Because Home Assistant stores its configuration in the user's home directory, we need to be the user `homeassistant` or specify the configuration with `-c`.
There are two ways to launch Home Assistant. If you are **in** the virtual environment, you can just run `hass` and it will work as normal. If the virtual environment is not activated, you just use the `hass` executable in the `bin` directory mentioned earlier. There is one caveat. Because Home Assistant stores its configuration in the user's home directory, we need to be the user `homeassistant` or specify the configuration with `-c`.
```bash
$ sudo -u homeassistant -H /srv/homeassistant/bin/hass