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https://git.notmuchmail.org/git/notmuch
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441 lines
14 KiB
Python
Executable file
441 lines
14 KiB
Python
Executable file
#!/usr/bin/env python3
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#
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# Copyright (c) 2011-2012 David Bremner <david@tethera.net>
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#
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# dependencies
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# - python3 or python2.7
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see https://www.gnu.org/licenses/ .
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"""Generate text and/or HTML for one or more notmuch searches.
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Messages matching each search are grouped by thread. Each message
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that contains both a subject and message-id will have the displayed
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subject link to an archive view of the message (defaulting to Gmane).
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"""
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from __future__ import print_function
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from __future__ import unicode_literals
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import codecs
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import collections
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import datetime
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import email.utils
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try: # Python 3
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from urllib.parse import quote
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except ImportError: # Python 2
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from urllib import quote
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import json
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import argparse
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import os
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import re
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import sys
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import subprocess
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import xml.sax.saxutils
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_ENCODING = 'UTF-8'
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_PAGES = {}
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if not hasattr(collections, 'OrderedDict'): # Python 2.6 or earlier
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class _OrderedDict (dict):
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"Just enough of a stub to get through Page._get_threads"
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def __init__(self, *args, **kwargs):
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super(_OrderedDict, self).__init__(*args, **kwargs)
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self._keys = [] # record key order
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def __setitem__(self, key, value):
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super(_OrderedDict, self).__setitem__(key, value)
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self._keys.append(key)
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def values(self):
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for key in self._keys:
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yield self[key]
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collections.OrderedDict = _OrderedDict
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class ConfigError (Exception):
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"""Errors with config file usage
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"""
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pass
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def read_config(path=None, encoding=None):
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"Read config from json file"
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if not encoding:
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encoding = _ENCODING
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if path:
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try:
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with open(path, 'rb') as f:
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config_bytes = f.read()
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except IOError as e:
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raise ConfigError('Could not read config from {}'.format(path))
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else:
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nmbhome = os.getenv('NMBGIT', os.path.expanduser('~/.nmbug'))
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branch = 'config'
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filename = 'notmuch-report.json'
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# read only the first line from the pipe
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sha1_bytes = subprocess.Popen(
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['git', '--git-dir', nmbhome, 'show-ref', '-s', '--heads', branch],
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stdout=subprocess.PIPE).stdout.readline()
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sha1 = sha1_bytes.decode(encoding).rstrip()
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if not sha1:
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raise ConfigError(
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("No local branch '{branch}' in {nmbgit}. "
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'Checkout a local {branch} branch or explicitly set --config.'
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).format(branch=branch, nmbgit=nmbhome))
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p = subprocess.Popen(
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['git', '--git-dir', nmbhome, 'cat-file', 'blob',
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'{}:{}'.format(sha1, filename)],
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stdout=subprocess.PIPE)
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config_bytes, err = p.communicate()
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status = p.wait()
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if status != 0:
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raise ConfigError(
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("Missing {filename} in branch '{branch}' of {nmbgit}. "
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'Add the file or explicitly set --config.'
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).format(filename=filename, branch=branch, nmbgit=nmbhome))
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config_json = config_bytes.decode(encoding)
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try:
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return json.loads(config_json)
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except ValueError as e:
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if not path:
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path = "{} in branch '{}' of {}".format(
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filename, branch, nmbhome)
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raise ConfigError(
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'Could not parse JSON from the config file {}:\n{}'.format(
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path, e))
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class Thread (list):
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def __init__(self):
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self.running_data = {}
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class Page (object):
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def __init__(self, header=None, footer=None):
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self.header = header
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self.footer = footer
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def write(self, database, views, stream=None):
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if not stream:
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try: # Python 3
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byte_stream = sys.stdout.buffer
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except AttributeError: # Python 2
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byte_stream = sys.stdout
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stream = codecs.getwriter(encoding=_ENCODING)(stream=byte_stream)
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self._write_header(views=views, stream=stream)
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for view in views:
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self._write_view(database=database, view=view, stream=stream)
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self._write_footer(views=views, stream=stream)
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def _write_header(self, views, stream):
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if self.header:
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stream.write(self.header)
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def _write_footer(self, views, stream):
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if self.footer:
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stream.write(self.footer)
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def _write_view(self, database, view, stream):
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# sort order, default to oldest-first
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sort_key = view.get('sort', 'oldest-first')
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# dynamically accept all values in Query.SORT
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sort_attribute = sort_key.upper().replace('-', '_')
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try:
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sort = getattr(notmuch.Query.SORT, sort_attribute)
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except AttributeError:
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raise ConfigError('Invalid sort setting for {}: {!r}'.format(
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view['title'], sort_key))
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if 'query-string' not in view:
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query = view['query']
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view['query-string'] = ' and '.join(
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'( {} )'.format(q) for q in query)
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q = notmuch.Query(database, view['query-string'])
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q.set_sort(sort)
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threads = self._get_threads(messages=q.search_messages())
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self._write_view_header(view=view, stream=stream)
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self._write_threads(threads=threads, stream=stream)
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def _get_threads(self, messages):
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threads = collections.OrderedDict()
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for message in messages:
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thread_id = message.get_thread_id()
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if thread_id in threads:
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thread = threads[thread_id]
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else:
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thread = Thread()
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threads[thread_id] = thread
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thread.running_data, display_data = self._message_display_data(
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running_data=thread.running_data, message=message)
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thread.append(display_data)
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return list(threads.values())
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def _write_view_header(self, view, stream):
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pass
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def _write_threads(self, threads, stream):
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for thread in threads:
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for message_display_data in thread:
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stream.write(
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('{date:10.10s} {from:20.20s} {subject:40.40s}\n'
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'{message-id-term:>72}\n'
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).format(**message_display_data))
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if thread != threads[-1]:
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stream.write('\n')
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def _message_display_data(self, running_data, message):
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headers = ('thread-id', 'message-id', 'date', 'from', 'subject')
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data = {}
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for header in headers:
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if header == 'thread-id':
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value = message.get_thread_id()
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elif header == 'message-id':
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value = message.get_message_id()
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data['message-id-term'] = 'id:"{0}"'.format(value)
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elif header == 'date':
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value = str(datetime.datetime.utcfromtimestamp(
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message.get_date()).date())
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else:
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value = message.get_header(header)
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if header == 'from':
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(value, addr) = email.utils.parseaddr(value)
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if not value:
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value = addr.split('@')[0]
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data[header] = value
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next_running_data = data.copy()
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for header, value in data.items():
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if header in ['message-id', 'subject']:
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continue
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if value == running_data.get(header, None):
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data[header] = ''
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return (next_running_data, data)
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class HtmlPage (Page):
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_slug_regexp = re.compile('\W+')
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def __init__(self, message_url_template, **kwargs):
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self.message_url_template = message_url_template
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super(HtmlPage, self).__init__(**kwargs)
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def _write_header(self, views, stream):
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super(HtmlPage, self)._write_header(views=views, stream=stream)
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stream.write('<ul>\n')
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for view in views:
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if 'id' not in view:
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view['id'] = self._slug(view['title'])
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stream.write(
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'<li><a href="#{id}">{title}</a></li>\n'.format(**view))
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stream.write('</ul>\n')
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def _write_view_header(self, view, stream):
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stream.write('<h3 id="{id}">{title}</h3>\n'.format(**view))
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stream.write('<p>\n')
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if 'comment' in view:
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stream.write(view['comment'])
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stream.write('\n')
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for line in [
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'The view is generated from the following query:',
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'</p>',
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'<p>',
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' <code>',
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view['query-string'],
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' </code>',
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'</p>',
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]:
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stream.write(line)
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stream.write('\n')
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def _write_threads(self, threads, stream):
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if not threads:
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return
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stream.write('<table>\n')
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for thread in threads:
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stream.write(' <tbody>\n')
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for message_display_data in thread:
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stream.write((
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' <tr class="message-first">\n'
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' <td>{date}</td>\n'
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' <td><code>{message-id-term}</code></td>\n'
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' </tr>\n'
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' <tr class="message-last">\n'
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' <td>{from}</td>\n'
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' <td>{subject}</td>\n'
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' </tr>\n'
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).format(**message_display_data))
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stream.write(' </tbody>\n')
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if thread != threads[-1]:
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stream.write(
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' <tbody><tr><td colspan="2"><br /></td></tr></tbody>\n')
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stream.write('</table>\n')
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def _message_display_data(self, *args, **kwargs):
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running_data, display_data = super(
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HtmlPage, self)._message_display_data(
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*args, **kwargs)
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if 'subject' in display_data and 'message-id' in display_data:
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d = {
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'message-id': quote(display_data['message-id']),
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'subject': xml.sax.saxutils.escape(display_data['subject']),
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}
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d['url'] = self.message_url_template.format(**d)
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display_data['subject'] = (
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'<a href="{url}">{subject}</a>'
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).format(**d)
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for key in ['message-id', 'from']:
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if key in display_data:
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display_data[key] = xml.sax.saxutils.escape(display_data[key])
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return (running_data, display_data)
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def _slug(self, string):
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return self._slug_regexp.sub('-', string)
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument(
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'--text', action='store_true', help='output plain text format')
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parser.add_argument(
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'--config', metavar='PATH',
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help='load config from given file. '
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'The format is described in notmuch-report.json(5).')
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parser.add_argument(
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'--list-views', action='store_true', help='list views')
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parser.add_argument(
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'--get-query', metavar='VIEW', help='get query for view')
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args = parser.parse_args()
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try:
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config = read_config(path=args.config)
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except ConfigError as e:
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print(e, file=sys.stderr)
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sys.exit(1)
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header_template = config['meta'].get('header', '''<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset={encoding}" />
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<title>{title}</title>
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<style media="screen" type="text/css">
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h1 {{
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font-size: 1.5em;
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}}
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h2 {{
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font-size: 1.17em;
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}}
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h3 {{
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font-size: 100%;
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}}
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table {{
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border-spacing: 0;
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}}
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tr.message-first td {{
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padding-top: {inter_message_padding};
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}}
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tr.message-last td {{
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padding-bottom: {inter_message_padding};
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}}
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td {{
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padding-left: {border_radius};
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padding-right: {border_radius};
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}}
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tr:first-child td:first-child {{
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border-top-left-radius: {border_radius};
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}}
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tr:first-child td:last-child {{
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border-top-right-radius: {border_radius};
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}}
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tr:last-child td:first-child {{
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border-bottom-left-radius: {border_radius};
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}}
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tr:last-child td:last-child {{
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border-bottom-right-radius: {border_radius};
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}}
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tbody:nth-child(4n+1) tr td {{
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color: #000;
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background-color: #ffd96e;
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}}
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tbody:nth-child(4n+3) tr td {{
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color: #000;
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background-color: #bce;
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}}
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hr {{
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border: 0;
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height: 1px;
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color: #ccc;
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background-color: #ccc;
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}}
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</style>
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</head>
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<body>
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<h1>{title}</h1>
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<p>
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{blurb}
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</p>
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<h2>Views</h2>
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''')
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footer_template = config['meta'].get('footer', '''
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<hr>
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<p>Generated: {datetime}</p>
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</body>
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</html>
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''')
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now = datetime.datetime.utcnow()
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context = {
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'date': now,
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'datetime': now.strftime('%Y-%m-%d %H:%M:%SZ'),
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'title': config['meta']['title'],
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'blurb': config['meta']['blurb'],
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'encoding': _ENCODING,
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'inter_message_padding': '0.25em',
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'border_radius': '0.5em',
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}
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_PAGES['text'] = Page()
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_PAGES['html'] = HtmlPage(
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header=header_template.format(**context),
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footer=footer_template.format(**context),
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message_url_template=config['meta'].get(
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'message-url', 'https://mid.gmane.org/{message-id}'),
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)
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if args.list_views:
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for view in config['views']:
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print(view['title'])
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sys.exit(0)
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elif args.get_query != None:
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for view in config['views']:
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if args.get_query == view['title']:
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print(' and '.join('( {} )'.format(q) for q in view['query']))
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sys.exit(0)
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else:
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# only import notmuch if needed
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import notmuch
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if args.text:
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page = _PAGES['text']
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else:
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page = _PAGES['html']
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db = notmuch.Database(mode=notmuch.Database.MODE.READ_ONLY)
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page.write(database=db, views=config['views'])
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