split blob in to functions & add update utility
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event_feed.py
129
event_feed.py
@ -11,6 +11,7 @@ import shutil
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from slugify import slugify
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from natural import date
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from event_feed_config import calendar_url, output_dir
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import arrow
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cal = Calendar(requests.get(calendar_url).text)
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@ -25,66 +26,92 @@ template = env.get_template('event_template.md')
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existing_posts = os.listdir(output_dir)
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def create_metadata(event):
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#construct a formatted dict of event metadata for in a post
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event_metadata = {
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'name':event.name,
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'created':event.created.format(),
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'description': event.description,
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'localized_begin': ' '.join(localize_time(event.begin)), #non-breaking space characters to defeat markdown
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'begin': event.begin.format(),
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'end': event.end.format(),
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'duration': date.compress(event.duration),
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'location': event.location,
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'uid': event.uid
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}
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# Dates need to be displayed for the various TZs
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# 3 PM Kassel, Germany, 4 PM Ramallah/Jerusalem, Palestina (QoF),
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# 8 AM Bogota, Colombia (MaMa), 8 PM Jakarta, Indonesia (Gudskul),
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# 1 PM (+1day) Wellington, New Zealand (Fafswag), 9 AM Havana, Cuba (Instar).
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return event_metadata
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tzs = [
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('Kassel','Europe/Berlin'),
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('Bamako', 'Europe/London'),
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('Palestine','Asia/Jerusalem'),
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('Bogota','America/Bogota'),
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('Jakarta','Asia/Jakarta'),
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('Makassar','Asia/Makassar'),
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('Wellington', 'Pacific/Auckland')
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]
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def localize_time(date):
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# Dates need to be displayed for the various TZs
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# takes arrow objects
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# 3 PM Kassel, Germany, 4 PM Ramallah/Jerusalem, Palestina (QoF),
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# 8 AM Bogota, Colombia (MaMa), 8 PM Jakarta, Indonesia (Gudskul),
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# 1 PM (+1day) Wellington, New Zealand (Fafswag), 9 AM Havana, Cuba (Instar).
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tzs = [
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('Kassel','Europe/Berlin'),
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('Bamako', 'Europe/London'),
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('Palestine','Asia/Jerusalem'),
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('Bogota','America/Bogota'),
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('Jakarta','Asia/Jakarta'),
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('Makassar','Asia/Makassar'),
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('Wellington', 'Pacific/Auckland')
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]
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localized_begins =[]
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for location, tz in tzs:
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localized_begins.append( #javascript formatting because of string creation from hell
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'__{}__ {}'.format(
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str(location),
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str(date.to(tz).format("YYYY-MM-DD __HH:mm__"))
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)
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)
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return localized_begins
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def create_event_post(post_dir, event):
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event_metadata = create_metadata(event)
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if not os.path.exists(post_dir):
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os.mkdir(post_dir)
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with open(os.path.join(post_dir,'index.md'),'w') as f:
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post = template.render(event = event_metadata)
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f.write(post)
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print('created post for', event.name, '({})'.format(event.uid))
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with open(os.path.join(post_dir,'.timestamp'),'w') as f:
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f.write(event_metadata['created'])
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def update_event_post(post_dir, event):
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if os.path.exists(post_dir):
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old_timestamp = open(os.path.join(post_dir,'.timestamp')).read()
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if event.created > arrow.get(old_timestamp):
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print('Updating', event.name, '({})'.format(event.uid))
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create_event_post(post_dir, event)
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else:
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print('Event current: ', event.name, '({})'.format(event.uid))
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for event in list(cal.events):
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localized_begins =[]
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for i in tzs:
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localized_begins.append( #javascript formatting because of string creation from hell
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'__{}__ {}'.format(
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str(i[0]),
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str(event.begin.to(i[1]).format("YYYY-MM-DD __HH:mm__"))
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)
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)
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post_dir = os.path.join(output_dir, event.uid)
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if event.uid not in existing_posts:
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#if there is an event we dont already have, make it
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create_event_post(post_dir, event)
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event_metadata = {
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'name':event.name,
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'created':event.created.format(),
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'description': event.description,
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'localized_begin': ' '.join(localized_begins), #non-breaking space characters to defeat markdown
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'begin': event.begin.format(),
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'end': event.end.format(),
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'duration': date.compress(event.duration),
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'location': event.location
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}
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elif event.uid in existing_posts:
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#if we already have it, update
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update_event_post(post_dir, event)
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existing_posts.remove(event.uid) # create list of posts which have not been returned by the calendar
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if event.uid not in existing_posts: #if there is an event we dont already have, make it
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post_dir = os.path.join(output_dir, event.uid )
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if not os.path.exists(post_dir):
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os.mkdir(post_dir)
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with open(os.path.join(post_dir,'index.md'),'w') as f:
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post = template.render(event = event_metadata)
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f.write(post)
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print('created post for', event.name, '({})'.format(event.uid))
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elif event.uid in existing_posts: #if we already have it, update
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existing_posts.remove(event.uid) # create list of posts which have not been returned by the calendar
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#FIXME: An update logic? e.g. exists but creation date is altered.
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print(event.uid, 'already exists')
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for post in existing_posts: #remove events that have been deleted
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print('deleted', post) #rm posts not returned
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for post in existing_posts:
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#remove events not returned by the calendar (deletion)
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print('deleted', post)
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shutil.rmtree(os.path.join(output_dir,post))
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