97 lines
2.7 KiB
Python
97 lines
2.7 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from __future__ import division
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import datetime
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import jinja2
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import logging
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import os
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import os.path
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def batch_meetings(meetings, batch_size):
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"""Batches the meetings to be consumed by the jinja2 'batch' filter.
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This will pivot the meeting list into a virtual number of columns. This
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can be used in a jinja template like:
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{% for column in batch_meetings(meetings, 4)|batch(4) %}
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So the list:
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[A, B, C, D, E, F , G, H, I]
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Is returned as:
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[A, D, F, H, B, E, G, I, C]]
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Or another way of looking at it is:
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[A, D, F, H,
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B, E, G, I,
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C]]
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And displays as:
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A D F H
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B E G I
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C
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Rather than:
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A B C D
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E F G H
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I
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:param meetings: An iterable
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:param batch_size: Number of columns to split up the output into
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:returns: A list that has 'pivoted' the meetings input
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"""
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if batch_size <= 0:
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return meetings
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col_length = (len(meetings) // batch_size) + 1
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new_meetings = [None] * len(meetings)
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src = 0
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for row in range(batch_size):
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for col in range(col_length):
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dest = col * batch_size + row
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if dest >= len(meetings):
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break
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new_meetings[dest] = meetings[src]
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src += 1
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# Sanity check
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if all(meetings):
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assert all(new_meetings), "Empty item found in: {}".format(
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new_meetings)
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return new_meetings
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def convert_meetings_to_index(meetings, template, output_file):
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"""Creates index file from list of meetings.
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:param meetings: list of meetings to convert
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:param template: jinja2 template to use
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:param output_file: output index file
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"""
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(template_dir, template_file) = os.path.split(template)
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loader = jinja2.FileSystemLoader(template_dir)
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env = jinja2.environment.Environment(trim_blocks=True, loader=loader)
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template = env.get_template(template_file)
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template.globals['batch_meetings'] = batch_meetings
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with open(output_file, "w") as out:
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out.write(template.render(meetings=meetings,
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timestamp=datetime.datetime.utcnow()))
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logging.info('Wrote %d meetings to index.' % (len(meetings)))
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