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# Copyright (C) 2015 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
from bottle import Bottle, request, static_file, template
import math
def make_table(data, heading_ids, heading_titles, row_class_cb=None):
'''Render 'data' as a HTML table.'''
table_template = """
<table>
<tr class="headings">
%for title in heading_titles:
<td>{{title}}</td>
%end
</tr>
%for row in rows:
<tr class="{{ row_class_cb(row) }}" >
%for col in heading_ids:
<td>{{row[col]}}</td>
%end
</tr>
%end
</table>
"""
return template(table_template, heading_ids=heading_ids,
heading_titles=heading_titles, rows=data,
row_class_cb=row_class_cb)
def web_frontend(db):
'''Some pretty stuff for users to interact with.'''
app = Bottle()
@app.get('/artifacts')
def artifacts():
'''View artifacts in the cache.'''
# This causes a 500 error if the parameter is not an integer.
page = int(request.query.get('page', 1))
page_size = 50
content = '<p>Artifacts:</p>'
def row_style_class_cb(row):
if row['n_different_builds'] > 0:
return 'fail'
elif row['n_builds'] <= 1:
return 'noinfo'
else:
return 'pass'
artifacts = db.view_artifact_statistics(
start=(page-1)*page_size, page_size=page_size)
content += make_table(
artifacts,
['cache_name', 'n_builds', 'n_different_builds'],
['Artifact', 'Total builds', 'Mismatching builds'],
row_class_cb=row_style_class_cb)
n_artifacts = db.count_artifacts()
n_pages = int(math.ceil(n_artifacts / float(page_size)))
content += '<div id="footer">'
content += '<p>Page %i of %i: ' % (page, n_pages)
if page > 1:
content += '<a href="?page=%i">prev</a>' % (page-1)
if page < n_pages:
content += ' -- '
if page < n_pages:
content += '<a href="?page=%i">next</a>' % (page+1)
content += '</p></div>'
return template('morphcacheserver/templates/base', base=content)
@app.get('/')
def frontpage():
'''A nice frontpage.'''
return template('morphcacheserver/templates/index')
@app.get('/style.css')
def stylesheet():
# For heavily-used deployments you should serve static files like a
# .css using a faster web server like Apache, Cherokee, etc.
return static_file('style.css', root='morphcacheserver')
return app
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