issue_comments: 1374582375

This helps: ```diff diff --git a/datasette/cli.py b/datasette/cli.py index 2b61292b..ea98879c 100644 --- a/datasette/cli.py +++ b/datasette/cli.py @@ -4,13 +4,15 @@ import click from click import formatting from click.types import CompositeParamType from click_default_group import DefaultGroup +import functools import json import os import pathlib import shutil from subprocess import call -import sys from runpy import run_module +import sys +import textwrap import webbrowser from .app import ( OBSOLETE_SETTINGS, @@ -126,7 +128,7 @@ class Setting(CompositeParamType):

def sqlite_extensions(fn): - return click.option( + fn = click.option( "sqlite_extensions", "--load-extension", type=LoadExtension(), @@ -134,6 +136,25 @@ def sqlite_extensions(fn): multiple=True, help="Path to a SQLite extension to load, and optional entrypoint", )(fn) + # Wrap it in a custom error handler + @functools.wraps(fn) + def wrapped(args, kwargs): + try: + return fn(args, **kwargs) + except AttributeError as e: + if "enable_load_extension" in str(e): + raise click.ClickException( + textwrap.dedent( + """ + Your Python installation does not have the ability to load SQLite extensions. + + More information: https://docs.datasette.io/en/stable/installation.html#extensions + """ + ).strip() + ) + raise + + return wrapped

@click.group(cls=DefaultGroup, default="serve", default_if_no_args=True) ``` Need to write help for that to link to.