html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,issue,performed_via_github_app
https://github.com/simonw/datasette/issues/335#issuecomment-670999832,https://api.github.com/repos/simonw/datasette/issues/335,670999832,MDEyOklzc3VlQ29tbWVudDY3MDk5OTgzMg==,9599,2020-08-09T03:12:14Z,2020-08-09T03:12:14Z,OWNER,Another useful example: https://github.com/Homebrew/homebrew-core/blob/master/Formula/trailscraper.rb,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",339505204,
https://github.com/simonw/datasette/issues/335#issuecomment-670999860,https://api.github.com/repos/simonw/datasette/issues/335,670999860,MDEyOklzc3VlQ29tbWVudDY3MDk5OTg2MA==,9599,2020-08-09T03:12:44Z,2020-08-09T03:12:44Z,OWNER,How would plugin installation work if Datasette was installed via homebrew?,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",339505204,
https://github.com/simonw/datasette/issues/335#issuecomment-671001457,https://api.github.com/repos/simonw/datasette/issues/335,671001457,MDEyOklzc3VlQ29tbWVudDY3MTAwMTQ1Nw==,9599,2020-08-09T03:37:39Z,2020-08-09T03:37:39Z,OWNER,"Here's what happened when I installed `homebrew-vd`: https://gist.github.com/simonw/7bfd971a62743d7ca248e6b5e696c240

It worked! And from digging around, it has a virtual environment at `/usr/local/Cellar/visidata/1.5.2/libexec/`

Which means `/usr/local/Cellar/visidata/1.5.2/libexec/bin/pip` is a working `pip`

And I tried running these commands and confirmed that I get a `datasette` with an additional plugin:

```
/usr/local/Cellar/visidata/1.5.2/libexec/bin/pip install datasette
/usr/local/Cellar/visidata/1.5.2/libexec/bin/pip install datasette-graphql
/usr/local/Cellar/visidata/1.5.2/libexec/bin/datasette plugins
[
    {
        ""name"": ""datasette-graphql"",
        ""static"": false,
        ""templates"": true,
        ""version"": ""0.11"",
        ""hooks"": [
            ""register_routes"",
            ""startup""
        ]
    }
]
```
So I can package Datasette as a homebrew package AND I can give people instructions for installing plugins.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",339505204,
https://github.com/simonw/datasette/issues/335#issuecomment-671005731,https://api.github.com/repos/simonw/datasette/issues/335,671005731,MDEyOklzc3VlQ29tbWVudDY3MTAwNTczMQ==,9599,2020-08-09T04:44:13Z,2020-08-09T17:04:21Z,OWNER,"Telling people how to figure out that `pip` location is going to be pretty unpleasant.

How about instead providing a `datasette plugins --install=datasette-graphql` command?

Or `datasette install datasette-vega`

It would run `pip install` in the same virtualenv as Datasette itself.

http://jelly.codes/articles/python-pip-module/ shows how to do this:

```python

import pip

try:
    pip.main([""install"", ""plumbum""])
except SystemExit as e:
    pass
```

","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",339505204,
https://github.com/simonw/datasette/issues/335#issuecomment-671076975,https://api.github.com/repos/simonw/datasette/issues/335,671076975,MDEyOklzc3VlQ29tbWVudDY3MTA3Njk3NQ==,9599,2020-08-09T17:08:34Z,2020-08-09T17:09:21Z,OWNER,"Quick prototype of `datasette install`:
```diff
diff --git a/datasette/cli.py b/datasette/cli.py
index 287195a..95b6eb7 100644
--- a/datasette/cli.py
+++ b/datasette/cli.py
@@ -231,6 +231,18 @@ def package(
         call(args)
 
 
+@cli.command()
+@click.argument(""packages"", nargs=-1, required=True)
+def install(packages):
+    ""Install Python packages - e.g. Datasette plugins - into the same environment as Datasett""
+    import pip
+
+    try:
+        pip.main([""install""] + list(packages))
+    except SystemExit as e:
+        pass
+
+
 @cli.command()
 @click.argument(""files"", type=click.Path(exists=True), nargs=-1)
 @click.option(
```

```
$ datasette install
Usage: datasette install [OPTIONS] PACKAGES...
Try 'datasette install --help' for help.

Error: Missing argument 'PACKAGES...'.
$ datasette install datasette-vega
WARNING: pip is being invoked by an old script wrapper. This will fail in a future version of pip.
Please see https://github.com/pypa/pip/issues/5599 for advice on fixing the underlying issue.
To avoid this problem you can invoke Python with '-m pip' instead of running pip directly.
Collecting datasette-vega
  Using cached datasette_vega-0.6.2-py3-none-any.whl (1.8 MB)
...
```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",339505204,
https://github.com/simonw/datasette/issues/335#issuecomment-671077168,https://api.github.com/repos/simonw/datasette/issues/335,671077168,MDEyOklzc3VlQ29tbWVudDY3MTA3NzE2OA==,9599,2020-08-09T17:10:15Z,2020-08-09T18:13:39Z,OWNER,"Here's the issue that explains that warning: https://github.com/pypa/pip/issues/5599

This should fix it (risky):

    from pip._internal.cli.main import main","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",339505204,