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Added /-/metadata /-/plugins /-/inspect, closes #225

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Simon Willison 2018-04-18 22:24:48 -07:00
commit b55809a1e2
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5 changed files with 111 additions and 14 deletions
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63
datasette/app.py
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@ -17,7 +17,6 @@ import json
import jinja2
import hashlib
import time
import pkg_resources
import pint
import pluggy
import traceback
@ -31,6 +30,7 @@ from .utils import (
escape_sqlite,
filters_should_redirect,
get_all_foreign_keys,
get_plugins,
is_url,
InvalidSql,
module_from_path,
@ -402,15 +402,16 @@ class IndexView(RenderMixin):
}
databases.append(database)
if as_json:
headers = {}
if self.ds.cors:
headers['Access-Control-Allow-Origin'] = '*'
return response.HTTPResponse(
json.dumps(
{db['name']: db for db in databases},
cls=CustomJSONEncoder
),
content_type='application/json',
headers={
'Access-Control-Allow-Origin': '*'
}
headers=headers,
)
else:
return self.render(
@ -423,6 +424,32 @@ class IndexView(RenderMixin):
)
class JsonDataView(RenderMixin):
def __init__(self, datasette, filename, data_callback):
self.ds = datasette
self.jinja_env = datasette.jinja_env
self.filename = filename
self.data_callback = data_callback
async def get(self, request, as_json):
data = self.data_callback()
if as_json:
headers = {}
if self.ds.cors:
headers['Access-Control-Allow-Origin'] = '*'
return response.HTTPResponse(
json.dumps(data),
content_type='application/json',
headers=headers,
)
else:
return self.render(
['show_json.html'],
filename=self.filename,
data=data,
)
async def favicon(request):
return response.text('')
@ -1302,15 +1329,25 @@ class Datasette:
for path, dirname in self.static_mounts:
app.static(path, dirname)
# Mount any plugin static/ directories
for plugin_module in pm.get_plugins():
try:
if pkg_resources.resource_isdir(plugin_module.__name__, 'static'):
modpath = '/-/static-plugins/{}/'.format(plugin_module.__name__)
dirpath = pkg_resources.resource_filename(plugin_module.__name__, 'static')
app.static(modpath, dirpath)
except (KeyError, ImportError):
# Caused by --plugins_dir= plugins - KeyError/ImportError thrown in Py3.5
pass
for plugin in get_plugins(pm):
if plugin['static_path']:
modpath = '/-/static-plugins/{}/'.format(plugin['name'])
app.static(modpath, plugin['static_path'])
app.add_route(
JsonDataView.as_view(self, 'inspect.json', lambda: self.inspect()),
'/-/inspect<as_json:(\.json)?$>'
)
app.add_route(
JsonDataView.as_view(self, 'metadata.json', lambda: self.metadata),
'/-/metadata<as_json:(\.json)?$>'
)
app.add_route(
JsonDataView.as_view(self, 'plugins.json', lambda: [{
'name': p['name'],
'static': p['static_path'] is not None
} for p in get_plugins(pm)]),
'/-/plugins<as_json:(\.json)?$>'
)
app.add_route(
DatabaseView.as_view(self),
'/<db_name:[^/\.]+?><as_json:(\.jsono?)?$>'