197 lines
7.0 KiB
Python
197 lines
7.0 KiB
Python
import curses
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import time
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import requests
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import praw
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from .exceptions import SubredditError
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from .page import BasePage, Navigator, BaseController
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from .submission import SubmissionPage
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from .content import SubredditContent
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from .helpers import clean, open_browser, open_editor
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from .docs import SUBMISSION_FILE
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from .curses_helpers import (BULLET, UARROW, DARROW, Color, LoadScreen,
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show_notification)
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__all__ = ['opened_links', 'SubredditController', 'SubredditPage']
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# Used to keep track of browsing history across the current session
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opened_links = set()
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class SubredditController(BaseController):
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character_map = {}
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class SubredditPage(BasePage):
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def __init__(self, stdscr, reddit, name, username):
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self.controller = SubredditController(self)
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self.loader = LoadScreen(stdscr)
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content = SubredditContent.from_name(reddit, name, self.loader)
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super(SubredditPage, self).__init__(stdscr, reddit, content, username)
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def loop(self):
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while True:
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self.draw()
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cmd = self.stdscr.getch()
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self.controller.trigger(cmd)
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@SubredditController.register(curses.KEY_F5, 'r')
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def refresh_content(self, name=None):
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name = name or self.content.name
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if name == 'me' or name == '/r/me':
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self.reddittor_profile()
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return
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try:
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self.content = SubredditContent.from_name(
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self.reddit, name, self.loader)
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except SubredditError:
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show_notification(self.stdscr, ['Invalid subreddit'])
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except requests.HTTPError:
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show_notification(self.stdscr, ['Could not reach subreddit'])
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else:
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self.nav = Navigator(self.content.get)
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@SubredditController.register('f')
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def search_subreddit(self, name=None):
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"""Open a prompt to search the subreddit"""
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name = name or self.content.name
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prompt = 'Search this Subreddit: '
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search = self.prompt_input(prompt)
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if search is not None:
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try:
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self.nav.cursor_index = 0
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self.content = SubredditContent.from_name(self.reddit, name,
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self.loader, search=search)
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except IndexError: # if there are no submissions
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show_notification(self.stdscr, ['No results found'])
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@SubredditController.register('/')
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def prompt_subreddit(self):
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"""Open a prompt to type in a new subreddit"""
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prompt = 'Enter Subreddit: /r/'
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name = self.prompt_input(prompt)
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if name is not None:
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self.refresh_content(name=name)
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def reddittor_profile(self):
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if self.reddit.is_logged_in():
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try:
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self.content = SubredditContent.from_reddittor(
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self.reddit, self.username, self.loader)
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except requests.HTTPError:
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show_notification(self.stdscr, ['Could not reach subreddit'])
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else:
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show_notification(self.stdscr, ['Log in to view your submissions'])
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@SubredditController.register(curses.KEY_RIGHT, 'l')
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def open_submission(self):
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"Select the current submission to view posts"
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data = self.content.get(self.nav.absolute_index)
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page = SubmissionPage(self.stdscr, self.reddit, url=data['permalink'])
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page.loop()
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if data['url'] == 'selfpost':
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global opened_links
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opened_links.add(data['url_full'])
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@SubredditController.register(curses.KEY_ENTER, 10, 'o')
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def open_link(self):
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"Open a link with the webbrowser"
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url = self.content.get(self.nav.absolute_index)['url_full']
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open_browser(url)
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global opened_links
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opened_links.add(url)
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@SubredditController.register('p')
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def post_submission(self):
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# Abort if user isn't logged in
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if not self.reddit.is_logged_in():
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show_notification(self.stdscr, ['Login to reply'])
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return
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subreddit = self.reddit.get_subreddit(self.content.name)
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# Make sure it is a valid subreddit for submission
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# Strips the subreddit to just the name
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sub = str(subreddit).split('/')[2]
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if '+' in sub or sub == 'all' or sub == 'front':
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message = 'Can\'t post to /r/{0}'.format(sub)
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show_notification(self.stdscr, [message])
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return
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# Open the submission window
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submission_info = SUBMISSION_FILE.format(name=sub)
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curses.endwin()
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submission_text = open_editor(submission_info)
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curses.doupdate()
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# Abort if there is no content
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if not submission_text:
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curses.flash()
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return
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try:
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title, content = submission_text.split('\n', 1)
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self.reddit.submit(sub, title, text=content)
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except praw.errors.APIException as e:
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show_notification(self.stdscr, [e.message])
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except ValueError:
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show_notification(self.stdscr, ['No post content! Post aborted.'])
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else:
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time.sleep(0.5)
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self.refresh_content()
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@staticmethod
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def draw_item(win, data, inverted=False):
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n_rows, n_cols = win.getmaxyx()
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n_cols -= 1 # Leave space for the cursor in the first column
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# Handle the case where the window is not large enough to fit the data.
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valid_rows = range(0, n_rows)
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offset = 0 if not inverted else -(data['n_rows'] - n_rows)
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n_title = len(data['split_title'])
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for row, text in enumerate(data['split_title'], start=offset):
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if row in valid_rows:
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text = clean(text)
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win.addnstr(row, 1, text, n_cols - 1, curses.A_BOLD)
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row = n_title + offset
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if row in valid_rows:
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seen = (data['url_full'] in opened_links)
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link_color = Color.MAGENTA if seen else Color.BLUE
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attr = curses.A_UNDERLINE | link_color
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text = clean(u'{url}'.format(**data))
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win.addnstr(row, 1, text, n_cols - 1, attr)
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row = n_title + offset + 1
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if row in valid_rows:
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text = clean(u'{score} '.format(**data))
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win.addnstr(row, 1, text, n_cols - 1)
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if data['likes'] is None:
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text, attr = BULLET, curses.A_BOLD
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elif data['likes']:
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text, attr = UARROW, curses.A_BOLD | Color.GREEN
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else:
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text, attr = DARROW, curses.A_BOLD | Color.RED
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win.addnstr(text, n_cols - win.getyx()[1], attr)
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text = clean(u' {created} {comments}'.format(**data))
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win.addnstr(text, n_cols - win.getyx()[1])
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row = n_title + offset + 2
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if row in valid_rows:
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text = clean(u'{author}'.format(**data))
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win.addnstr(row, 1, text, n_cols - 1, curses.A_BOLD)
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text = clean(u' {subreddit}'.format(**data))
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win.addnstr(text, n_cols - win.getyx()[1], Color.YELLOW)
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text = clean(u' {flair}'.format(**data))
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win.addnstr(text, n_cols - win.getyx()[1], Color.RED)
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