205 lines
7.1 KiB
Python
Executable file
205 lines
7.1 KiB
Python
Executable file
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import os
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import sys
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import yaml
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import logging
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import datetime
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try:
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from yaml import CLoader as Loader, CDumper as Dumper
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except ImportError:
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from yaml import Loader, Dumper
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import click
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from adapters import *
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logger = logging.getLogger(f'wp_cal')
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class BaseConfig(dict):
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def __init__(self, file, defaults, *args, **kwargs):
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self._ex = None
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self.file = file
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self.defaults = defaults
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super().__init__(*args, **kwargs)
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try:
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self._load()
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except FileNotFoundError as ex:
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self._ex = ex
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def __repr__(self):
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return super().__repr__()
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def __str__(self):
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return super().__str__()
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def _load(self):
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try:
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if self.file == '-':
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config = yaml.load(sys.stdin, Loader=Loader)
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else:
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if os.stat(self.file).st_mode & 0o777 & ~0o600:
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raise Exception('refusing to load insecure configuration file, file must have permission 0o600')
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with open(self.file) as fp:
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config = yaml.load(fp, Loader=Loader)
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if config is None:
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config = {}
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for k, v in config.items():
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self[k] = v
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finally:
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for keylist, value in self.defaults:
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d = self
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for i, key in enumerate(keylist):
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repl = value if (i == len(keylist) - 1) else {}
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d[key] = d.get(key, repl)
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d = d[key]
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def _save(self):
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with open(self.file, 'w') as fp:
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yaml.dump(self, fp, Dumper=Dumper)
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def exception(self):
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return self._ex
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def load(self):
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return self._load()
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def save(self):
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return self._save()
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class Config(BaseConfig):
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"""
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The default configuration.
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Keys:
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.google.calendar_id: the id of the calendar to sync
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.google.credentials: the json of the obtained credentials file
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.google.token_file: where to save the login token
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.wordpress.url: the base wordpress url
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.wordpress.calendar.id: the id of the (wp-booking-system) calendar
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.wordpress.calendar.name: the name of the calendar
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.wordpress.calendar.translations: a dictionary of language <-> translation pairs (example: {"en": "Reservations"})
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.wordpress.credentials.user: the user as which to log into wordpress
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.wordpress.credentials.password: the users password
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.logging.level: one or more log levels of the form <module.submodule>:<level> seperated by a `,` (comma)
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.range: the range in the format <nnn><u>, where n are digits and u is the unit; valid units: 'smhdw' <-> seconds minutes hours days weeks
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"""
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def __init__(self, file, defaults, *args, **kwargs):
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defaults += [
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('google.calendar_id', '#TODO insert google calendar id'),
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('google.credentials', {}),
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('google.token_file', os.path.join(os.environ['HOME'], '.wp-cal-google-token')),
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('wordpress.url', '#TODO insert url to wordpress site'),
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('wordpress.calendar.id', '#TODO insert wp-booking-system calendar id'),
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('wordpress.calendar.name', '#TODO insert calendar name'),
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('wordpress.calendar.translations', {'en': '#TODO insert english translation'}),
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('wordpress.credentials.user', '#TODO insert wordpress username'),
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('wordpress.credentials.password', '#TODO insert wordpress password'),
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]
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defaults = [(x[0].split('.'), x[1]) for x in defaults]
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super().__init__(file, defaults, *args, **kwargs)
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def range_str_to_timedelta(value):
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valid_units = 'smhdw'
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current_int = 0
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values = {}
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for c in value:
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if c in '0123456789':
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current_int *= 10
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current_int += int(c)
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elif c in valid_units:
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if c in values:
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logger.warning('unit %s already in values, overwriting', c)
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values[c] = current_int
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current_int = 0
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c = 's'
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if current_int != 0:
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if c in values:
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logger.warning('unit %s already in values, overwriting', c)
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values['s'] = current_int
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for valid_unit in valid_units:
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values.setdefault(valid_unit, 0)
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return datetime.timedelta(
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seconds=values['s'],
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minutes=values['m'],
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hours=values['h'],
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days=values['d'],
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weeks=values['w']
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)
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def init_logging():
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logging.getLogger().addHandler(
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logging.StreamHandler(),
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)
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def set_logging_level(level: str):
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allowed_values = {'NOTSET', 'DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL'}
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log_levels = [x.split(':') for x in level.split(',')]
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for module, level in log_levels:
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module = module.strip() if module else None
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level = level.strip().upper()
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if level not in allowed_values:
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raise ValueError(f'invalid log level, allowed values: {repr(allowed_values)}')
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level = getattr(logging, level)
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logging.getLogger(module).setLevel(level)
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@click.command()
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@click.option('--level', '-l', envvar='WP_CAL_LEVEL', default=':WARNING,wp_cal:INFO', help='The log level for the application')
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@click.option('--config', '-c', envvar='WP_CAL_CONFIG', default='-', help='The configuration file')
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@click.option('--dryrun', '-d', envvar='WP_CAL_DRYRUN', is_flag=True, help="Don't actually post any data, just show it")
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@click.option('--range', '-r', envvar='WP_CAL_RANGE', default='365d', help='The time range from start to start + range to synchronize events')
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def main(level, config, dryrun, range):
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init_logging()
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set_logging_level(level)
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config = Config(config, [('logging.level', level), ('range', range)])
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if config.exception():
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logger.info('config not found, trying to generate template')
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try:
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config.save()
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except Exception:
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logger.exception('failed to generate template')
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else:
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logger.info('generated config at "%s"', config.file)
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return
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set_logging_level(config['logging']['level'])
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config['range'] = range_str_to_timedelta(config['range'])
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g = Google(
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config['google']['calendar_id'],
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credentials=config['google']['credentials'],
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token_file=config['google']['token_file'],
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)
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w = Wordpress(
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config['wordpress']['url'],
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calendar_metadata=CalendarMetadata(
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id=config['wordpress']['calendar']['id'],
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name=config['wordpress']['calendar']['name'],
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translations=config['wordpress']['calendar']['translations'],
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),
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credentials=config['wordpress']['credentials'],
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)
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g.login()
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events = g.get_events(until=config['range'])
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logger.info("syncing %d events", len(events))
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if not w.login():
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logger.info('failed to login to wordpress')
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return 1
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if dryrun:
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logger.info("dryrun; would post events: %s", events)
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else:
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if not w.post_events(events, until=config['range']):
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logger.info('failed to post event data')
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return 1
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logger.info("done")
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return 0
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if __name__ == '__main__':
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main()
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