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# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import re
import time
from . import docs
from .content import SubredditContent
from .page import Page, PageController, logged_in
from .objects import Navigator, Command
from .submission_page import SubmissionPage
from .subscription_page import SubscriptionPage
from .exceptions import TemporaryFileError
class SubredditController(PageController):
character_map = {}
class SubredditPage(Page):
BANNER = docs.BANNER_SUBREDDIT
FOOTER = docs.FOOTER_SUBREDDIT
def __init__(self, reddit, term, config, oauth, name):
"""
Params:
name (string): Name of subreddit to open
"""
super(SubredditPage, self).__init__(reddit, term, config, oauth)
self.controller = SubredditController(self, keymap=config.keymap)
self.content = SubredditContent.from_name(reddit, name, term.loader)
self.nav = Navigator(self.content.get)
self.toggled_subreddit = None
def refresh_content(self, order=None, name=None):
"""
Re-download all submissions and reset the page index
"""
order = order or self.content.order
# Preserve the query if staying on the current page
if name is None:
query = self.content.query
else:
query = None
name = name or self.content.name
# Hack to allow an order specified in the name by prompt_subreddit() to
# override the current default
if order == 'ignore':
order = None
with self.term.loader('Refreshing page'):
self.content = SubredditContent.from_name(
self.reddit, name, self.term.loader, order=order, query=query)
if not self.term.loader.exception:
self.nav = Navigator(self.content.get)
@SubredditController.register(Command('SORT_HOT'))
def sort_content_hot(self):
if self.content.query:
self.refresh_content(order='relevance')
else:
self.refresh_content(order='hot')
@SubredditController.register(Command('SORT_TOP'))
def sort_content_top(self):
order = self._prompt_period('top')
if order is None:
self.term.show_notification('Invalid option')
else:
self.refresh_content(order=order)
@SubredditController.register(Command('SORT_RISING'))
def sort_content_rising(self):
if self.content.query:
order = self._prompt_period('comments')
if order is None:
self.term.show_notification('Invalid option')
else:
self.refresh_content(order=order)
else:
self.refresh_content(order='rising')
@SubredditController.register(Command('SORT_NEW'))
def sort_content_new(self):
self.refresh_content(order='new')
@SubredditController.register(Command('SORT_CONTROVERSIAL'))
def sort_content_controversial(self):
if self.content.query:
self.term.flash()
else:
order = self._prompt_period('controversial')
if order is None:
self.term.show_notification('Invalid option')
else:
self.refresh_content(order=order)
@SubredditController.register(Command('SORT_GILDED'))
def sort_content_gilded(self):
if self.content.query:
self.term.flash()
else:
self.refresh_content(order='gilded')
@SubredditController.register(Command('SUBREDDIT_SEARCH'))
def search_subreddit(self, name=None):
"""
Open a prompt to search the given subreddit
"""
name = name or self.content.name
query = self.term.prompt_input('Search {0}: '.format(name))
if not query:
return
with self.term.loader('Searching'):
self.content = SubredditContent.from_name(
self.reddit, name, self.term.loader, query=query)
if not self.term.loader.exception:
self.nav = Navigator(self.content.get)
@SubredditController.register(Command('PROMPT'))
def prompt_subreddit(self):
"""
Open a prompt to navigate to a different subreddit"
"""
name = self.term.prompt_input('Enter page: /')
if name is not None:
# Check if opening a submission url or a subreddit url
# Example patterns for submissions:
# comments/571dw3
# /comments/571dw3
# /r/pics/comments/571dw3/
# https://www.reddit.com/r/pics/comments/571dw3/at_disneyland
submission_pattern = re.compile(r'(^|/)comments/(?P<id>.+?)($|/)')
match = submission_pattern.search(name)
if match:
submission_url = 'https://www.reddit.com/comments/{0}'
self.open_submission(submission_url.format(match.group('id')))
else:
self.refresh_content(order='ignore', name=name)
@SubredditController.register(Command('SUBREDDIT_FRONTPAGE'))
def show_frontpage(self):
"""
If on a subreddit, remember it and head back to the front page.
If this was pressed on the front page, go back to the last subreddit.
"""
if self.content.name != '/r/front':
target = '/r/front'
self.toggled_subreddit = self.content.name
else:
target = self.toggled_subreddit
# target still may be empty string if this command hasn't yet been used
if target is not None:
self.refresh_content(order='ignore', name=target)
@SubredditController.register(Command('SUBREDDIT_OPEN'))
def open_submission(self, url=None):
"""
Select the current submission to view posts.
"""
data = {}
if url is None:
data = self.get_selected_item()
url = data['permalink']
with self.term.loader('Loading submission'):
page = SubmissionPage(
self.reddit, self.term, self.config, self.oauth, url=url)
if self.term.loader.exception:
return
page.loop()
if data.get('url_type') == 'selfpost':
self.config.history.add(data['url_full'])
if page.selected_subreddit is not None:
self.content = page.selected_subreddit
self.nav = Navigator(self.content.get)
@SubredditController.register(Command('SUBREDDIT_OPEN_IN_BROWSER'))
def open_link(self):
"""
Open a link with the webbrowser
"""
data = self.get_selected_item()
if data['url_type'] == 'selfpost':
self.open_submission()
elif data['url_type'] == 'x-post subreddit':
self.refresh_content(order='ignore', name=data['xpost_subreddit'])
elif data['url_type'] == 'x-post submission':
self.open_submission(url=data['url_full'])
self.config.history.add(data['url_full'])
else:
self.term.open_link(data['url_full'])
self.config.history.add(data['url_full'])
@SubredditController.register(Command('SUBREDDIT_POST'))
@logged_in
def post_submission(self):
"""
Post a new submission to the given subreddit
"""
# Check that the subreddit can be submitted to
name = self.content.name
if '+' in name or name in ('/r/all', '/r/front', '/r/me', '/u/saved'):
self.term.show_notification("Can't post to {0}".format(name))
return
submission_info = docs.SUBMISSION_FILE.format(name=name)
with self.term.open_editor(submission_info) as text:
if not text:
self.term.show_notification('Canceled')
return
elif '\n' not in text:
self.term.show_notification('Missing body')
return
title, content = text.split('\n', 1)
with self.term.loader('Posting', delay=0):
submission = self.reddit.submit(name, title, text=content,
raise_captcha_exception=True)
# Give reddit time to process the submission
time.sleep(2.0)
if self.term.loader.exception:
raise TemporaryFileError()
if not self.term.loader.exception:
# Open the newly created post
with self.term.loader('Loading submission'):
page = SubmissionPage(
self.reddit, self.term, self.config, self.oauth,
submission=submission)
if self.term.loader.exception:
return
page.loop()
if page.selected_subreddit is not None:
self.content = page.selected_subreddit
self.nav = Navigator(self.content.get)
else:
self.reload_page()
@SubredditController.register(Command('SUBREDDIT_OPEN_SUBSCRIPTIONS'))
@logged_in
def open_subscriptions(self):
"""
Open user subscriptions page
"""
with self.term.loader('Loading subscriptions'):
page = SubscriptionPage(self.reddit, self.term, self.config,
self.oauth, content_type='subreddit')
if self.term.loader.exception:
return
page.loop()
# When the user has chosen a subreddit in the subscriptions list,
# refresh content with the selected subreddit
if page.selected_subreddit is not None:
self.content = page.selected_subreddit
self.nav = Navigator(self.content.get)
@SubredditController.register(Command('SUBREDDIT_OPEN_MULTIREDDITS'))
@logged_in
def open_multireddit_subscriptions(self):
"""
Open user multireddit subscriptions page
"""
with self.term.loader('Loading multireddits'):
page = SubscriptionPage(self.reddit, self.term, self.config,
self.oauth, content_type='multireddit')
if self.term.loader.exception:
return
page.loop()
# When the user has chosen a subreddit in the subscriptions list,
# refresh content with the selected subreddit
if page.selected_subreddit is not None:
self.content = page.selected_subreddit
self.nav = Navigator(self.content.get)
@SubredditController.register(Command('SUBREDDIT_HIDE'))
@logged_in
def hide(self):
data = self.get_selected_item()
if not hasattr(data["object"], 'hide'):
self.term.flash()
elif data['hidden']:
with self.term.loader('Unhiding'):
data['object'].unhide()
data['hidden'] = False
else:
with self.term.loader('Hiding'):
data['object'].hide()
data['hidden'] = True
def _draw_item(self, win, data, inverted):
n_rows, n_cols = win.getmaxyx()
n_cols -= 1 # Leave space for the cursor in the first column
# Handle the case where the window is not large enough to fit the data.
valid_rows = range(0, n_rows)
offset = 0 if not inverted else -(data['n_rows'] - n_rows)
n_title = len(data['split_title'])
if data['url_full'] in self.config.history:
attr = self.term.attr('SubmissionTitleSeen')
else:
attr = self.term.attr('SubmissionTitle')
for row, text in enumerate(data['split_title'], start=offset):
if row in valid_rows:
self.term.add_line(win, text, row, 1, attr)
row = n_title + offset
if data['url_full'] in self.config.history:
attr = self.term.attr('LinkSeen')
else:
attr = self.term.attr('Link')
if row in valid_rows:
self.term.add_line(win, '{url}'.format(**data), row, 1, attr)
row = n_title + offset + 1
if row in valid_rows:
attr = self.term.attr('Score')
self.term.add_line(win, '{score}'.format(**data), row, 1, attr)
self.term.add_space(win)
arrow, attr = self.term.get_arrow(data['likes'])
self.term.add_line(win, arrow, attr=attr)
self.term.add_space(win)
attr = self.term.attr('Created')
self.term.add_line(win, '{created}{edited}'.format(**data),
attr=attr)
if data['comments'] is not None:
attr = self.term.attr('Separator')
self.term.add_space(win)
self.term.add_line(win, '-', attr=attr)
attr = self.term.attr('CommentCount')
self.term.add_space(win)
self.term.add_line(win, '{comments}'.format(**data), attr=attr)
if data['saved']:
attr = self.term.attr('Saved')
self.term.add_space(win)
self.term.add_line(win, '[saved]', attr=attr)
if data['hidden']:
attr = self.term.attr('Hidden')
self.term.add_space(win)
self.term.add_line(win, '[hidden]', attr=attr)
if data['stickied']:
attr = self.term.attr('Stickied')
self.term.add_space(win)
self.term.add_line(win, '[stickied]', attr=attr)
if data['gold']:
attr = self.term.attr('Gold')
self.term.add_space(win)
count = 'x{}'.format(data['gold']) if data['gold'] > 1 else ''
text = self.term.gilded + count
self.term.add_line(win, text, attr=attr)
if data['nsfw']:
attr = self.term.attr('NSFW')
self.term.add_space(win)
self.term.add_line(win, 'NSFW', attr=attr)
row = n_title + offset + 2
if row in valid_rows:
attr = self.term.attr('SubmissionAuthor')
self.term.add_line(win, '{author}'.format(**data), row, 1, attr)
self.term.add_space(win)
attr = self.term.attr('SubmissionSubreddit')
self.term.add_line(win, '/r/{subreddit}'.format(**data), attr=attr)
if data['flair']:
attr = self.term.attr('SubmissionFlair')
self.term.add_space(win)
self.term.add_line(win, '{flair}'.format(**data), attr=attr)
attr = self.term.attr('CursorBlock')
for y in range(n_rows):
self.term.addch(win, y, 0, str(' '), attr)
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