/
modifications.py
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/
modifications.py
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# -*- coding:utf-8 -*-
# This file is part of tally-pipes.
# Copyright (C) 2014-2016 Sequent Tech Inc <legal@sequentech.io>
# tally-pipes is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License.
# tally-pipes 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 Affero General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with tally-pipes. If not, see <http://www.gnu.org/licenses/>.
import re
import os
import json
def apply_modifications(data_list, modifications=[], help="this-parameter-is-ignored"):
'''
Modify questions with different criteria. Example:
[
{
"question_index": 0,
"action": "withdraw-candidates",
"withdrawal_policy": "match-regexp",
"regexp": "^(?<!alcaldable:)",
"field": "category",
"help": "filter all candidates whose category text does not start with 'alcaldable:'"
},
{
"question_index": 0,
"action": "modify-tally-type",
"set-tally-type": "plurality-at-large"
}
]
'''
def read_config(data):
questions_path = os.path.join(data['extract_dir'], "questions_json")
with open(questions_path, 'r', encoding="utf-8") as f:
return json.loads(f.read())
def write_config(data, config):
questions_path = os.path.join(data['extract_dir'], "questions_json")
with open(questions_path, 'w', encoding="utf-8") as f:
f.write(json.dumps(config))
data = data_list[0]
qjson = read_config(data)
for modif in modifications:
qindex = modif['question_index']
if modif['action'] == "withdraw-candidates":
if "withdrawals" not in data:
data['withdrawals'] = []
if modif['policy'] == 'not-match':
field = modif['field']
for answer in qjson[qindex]['answers']:
if not re.match(modif['regex'], answer[field]):
data['withdrawals'].append(dict(
question_index=qindex,
answer_id=answer['id'],
answer_text=answer['text']))
elif modif['policy'] == 'match':
field = modif['field']
for answer in qjson[qindex]['answers']:
if re.match(modif['regex'], answer[field]):
data['withdrawals'].append(dict(
question_index=qindex,
answer_id=answer['id'],
answer_text=answer['text']))
elif modif['policy'] == 'match-url':
for answer in qjson[qindex]['answers']:
for url in answer['urls']:
if url['title'] != modif['title']:
continue
if re.match(modif['regex'], url['url']):
data['withdrawals'].append(dict(
question_index=qindex,
answer_id=answer['id'],
answer_text=answer['text']))
elif modif['policy'] == 'not-match-url':
for answer in qjson[qindex]['answers']:
match = False
for url in answer['urls']:
if url['title'] != modif['title']:
continue
match = match or re.match(modif['regex'], url['url'])
if not match:
data['withdrawals'].append(dict(
question_index=qindex,
answer_id=answer['id'],
answer_text=answer['text']))
elif modif['policy'] == 'withdraw-winners-by-name-from-other-question':
dest_qindex = modif['dest_question_index']
for answer in data['results']['questions'][qindex]['answers']:
if answer["winner_position"] is None:
continue
answer_text = answer['text']
for answer2 in qjson[dest_qindex]['answers']:
if answer2["text"] == answer_text:
data['withdrawals'].append(dict(
question_index=dest_qindex,
answer_id=answer2['id'],
answer_text=answer2['text']))
break
elif modif['action'] == "remove-candidates":
if "removed-candidates" not in data:
data['removed-candidates'] = []
if modif['policy'] == 'not-match':
field = modif['field']
for answer in qjson[qindex]['answers']:
if not re.match(modif['regex'], answer[field]):
data['removed-candidates'].append(dict(
question_index=qindex,
answer_id=answer['id'],
answer_text=answer['text']))
elif modif['policy'] == 'match':
field = modif['field']
for answer in qjson[qindex]['answers']:
if re.match(modif['regex'], answer[field]):
data['removed-candidates'].append(dict(
question_index=qindex,
answer_id=answer['id'],
answer_text=answer['text']))
elif modif['policy'] == 'match-url':
for answer in qjson[qindex]['answers']:
for url in answer['urls']:
if url['title'] != modif['title']:
continue
if re.match(modif['regex'], url['url']):
data['removed-candidates'].append(dict(
question_index=qindex,
answer_id=answer['id'],
answer_text=answer['text']))
elif modif['policy'] == 'not-match-url':
for answer in qjson[qindex]['answers']:
match = False
for url in answer['urls']:
if url['title'] != modif['title']:
continue
match = match or re.match(modif['regex'], url['url'])
if not match:
data['removed-candidates'].append(dict(
question_index=qindex,
answer_id=answer['id'],
answer_text=answer['text']))
elif modif['policy'] == 'remove-winners-by-name-from-other-question':
dest_qindex = modif['dest_question_index']
for answer in data['results']['questions'][qindex]['answers']:
if answer["winner_position"] is None:
continue
answer_text = answer['text']
for answer2 in qjson[dest_qindex]['answers']:
if answer2["text"] == answer_text:
data['removed-candidates'].append(dict(
question_index=dest_qindex,
answer_id=answer2['id'],
answer_text=answer2['text']))
break
elif modif['action'] == "modify-number-of-winners":
qjson[qindex]['num_winners'] = modif['num_winners']
if modif['policy'] == 'truncate-max-overload':
qjson[qindex]['max'] = qjson[qindex]['num_winners']
qjson[qindex]['truncate-max-overload'] = True
elif modif['action'] == "dont-tally-question":
data['results']['questions'][qindex]['no-tally'] = True
elif modif['action'] == "set-min":
qjson[qindex]['min'] = modif['min']
elif modif['action'] == "set-title":
qjson[qindex]['title'] = modif['title']
elif modif['action'] == "set-max":
qjson[qindex]['max'] = modif['max']
elif modif['action'] == "set-tally-type":
qjson[qindex]['tally_type'] = modif['tally-type']
elif modif['action'] == "set-answer-key-value":
text = modif['answer-text']
answer = [
answer
for answer in qjson[qindex]['answers']
if answer['text'] == text
]
assert(len(answer) == 1)
answer[0][modif['key']] = modif['value']
elif modif['action'] == 'set-bordas-max-points':
qjson[qindex]['bordas-max-points'] = modif['max']
else:
raise Exception("unrecognized-action %s" % modif['action'])
write_config(data, qjson)