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publish command checks 'now' is installed

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Closes #58
This commit is contained in:
Simon Willison 2017-11-11 08:00:00 -08:00
commit 3863a30b5d
1 changed files with 12 additions and 0 deletions
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12
datasette/cli.py
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@ -1,7 +1,9 @@
import click import click
from click_default_group import DefaultGroup from click_default_group import DefaultGroup
import os import os
import shutil
from subprocess import call from subprocess import call
import sys
import tempfile import tempfile
from .app import Datasette, ensure_build_metadata from .app import Datasette, ensure_build_metadata
from .utils import make_dockerfile from .utils import make_dockerfile
@ -23,6 +25,16 @@ def build(files):
@cli.command() @cli.command()
@click.argument('files', type=click.Path(exists=True), nargs=-1) @click.argument('files', type=click.Path(exists=True), nargs=-1)
def publish(files): def publish(files):
if not shutil.which('now'):
click.secho(
' The publish command requires "now" to be installed and configured ',
bg='red',
fg='white',
bold=True,
err=True,
)
click.echo('Follow the instructions at https://zeit.co/now#whats-now', err=True)
sys.exit(1)
tmp = tempfile.TemporaryDirectory() tmp = tempfile.TemporaryDirectory()
# We create a datasette folder in there to get a nicer now deploy name # We create a datasette folder in there to get a nicer now deploy name
datasette_dir = os.path.join(tmp.name, 'datasette') datasette_dir = os.path.join(tmp.name, 'datasette')