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Improved fixtures to support publication

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The fixtures database created by our unit tests makes for a good "live" demo
of Datasette in action.

I've improved the metadata it ships with to better support this use-case.

I've also improved the mechanism for writing out fixtures: you can do this:

	python tests/fixtures.py fixtures.db

To get just the fixtures database written out... or you can do this:

	python tests/fixtures.py fixtures.db fixtures.json

To get metadata which you can then serve like so:

	datasette fixtures.db -m fixtures.json

Refs #313
This commit is contained in:
Simon Willison 2018-06-17 12:16:04 -07:00
commit 6a32df334d
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2 changed files with 28 additions and 17 deletions
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33
tests/fixtures.py
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@ -1,5 +1,6 @@
from datasette.app import Datasette
import itertools
import json
import os
import pytest
import random
@ -98,12 +99,12 @@ def generate_sortable_rows(num):
METADATA = {
'title': 'Datasette Title',
'description': 'Datasette Description',
'license': 'License',
'license_url': 'http://www.example.com/license',
'source': 'Source',
'source_url': 'http://www.example.com/source',
'title': 'Datasette Fixtures',
'description': 'An example SQLite database demonstrating Datasette',
'license': 'Apache License 2.0',
'license_url': 'https://github.com/simonw/datasette/blob/master/LICENSE',
'source': 'tests/fixtures.py',
'source_url': 'https://github.com/simonw/datasette/blob/master/tests/fixtures.py',
'databases': {
'fixtures': {
'description': 'Test tables description',
@ -381,10 +382,20 @@ CREATE VIEW simple_view AS
])
if __name__ == '__main__':
filename = sys.argv[-1]
if filename.endswith('.db'):
conn = sqlite3.connect(filename)
# Can be called with data.db OR data.db metadata.json
db_filename = sys.argv[-1]
metadata_filename = None
if db_filename.endswith(".json"):
metadata_filename = db_filename
db_filename = sys.argv[-2]
if db_filename.endswith(".db"):
conn = sqlite3.connect(db_filename)
conn.executescript(TABLES)
print('Test tables written to {}'.format(filename))
print("Test tables written to {}".format(db_filename))
if metadata_filename:
open(metadata_filename, 'w').write(json.dumps(METADATA))
print("- metadata written to {}".format(metadata_filename))
else:
print('Usage: {} name_of_file_to_write.db'.format(sys.argv[0]))
print("Usage: {} db_to_write.db [metadata_to_write.json]".format(
sys.argv[0]
))