install and uninstall commands, closes #483

sqlite_utils/cli.py

@@ -4,6 +4,7 @@ from click_default_group import DefaultGroup  # type: ignore
 from datetime import datetime
 import hashlib
 import pathlib
+from runpy import run_module
 import sqlite_utils
 from sqlite_utils.db import AlterError, BadMultiValues, DescIndex, NoTable
 from sqlite_utils.utils import maximize_csv_field_size_limit
@@ -2657,6 +2658,30 @@ def _analyze(db, tables, columns, save):
         click.echo(details)
 
 
+@cli.command()
+@click.argument("packages", nargs=-1, required=True)
+@click.option(
+    "-U", "--upgrade", is_flag=True, help="Upgrade packages to latest version"
+)
+def install(packages, upgrade):
+    """Install packages from PyPI into the same environment as sqlite-utils"""
+    args = ["pip", "install"]
+    if upgrade:
+        args += ["--upgrade"]
+    args += list(packages)
+    sys.argv = args
+    run_module("pip", run_name="__main__")
+
+
+@cli.command()
+@click.argument("packages", nargs=-1, required=True)
+@click.option("-y", "--yes", is_flag=True, help="Don't ask for confirmation")
+def uninstall(packages, yes):
+    """Uninstall Python packages from the sqlite-utils environment"""
+    sys.argv = ["pip", "uninstall"] + list(packages) + (["-y"] if yes else [])
+    run_module("pip", run_name="__main__")
+
+
 def _generate_convert_help():
     help = textwrap.dedent(
         """