260 lines
8.8 KiB
Python
260 lines
8.8 KiB
Python
import curses
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import sys
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import time
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import praw.errors
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from .content import SubmissionContent
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from .page import BasePage, Navigator, BaseController
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from .helpers import clean, open_browser, open_editor
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from .curses_helpers import (BULLET, UARROW, DARROW, GOLD, Color, LoadScreen,
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show_notification, text_input)
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from .docs import COMMENT_FILE
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__all__ = ['SubmissionController', 'SubmissionPage']
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class SubmissionController(BaseController):
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character_map = {}
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class SubmissionPage(BasePage):
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def __init__(self, stdscr, reddit, url=None, submission=None):
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self.controller = SubmissionController(self)
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self.loader = LoadScreen(stdscr)
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if url:
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content = SubmissionContent.from_url(reddit, url, self.loader)
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elif submission:
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content = SubmissionContent(submission, self.loader)
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else:
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raise ValueError('Must specify url or submission')
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super(SubmissionPage, self).__init__(stdscr, reddit,
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content, page_index=-1)
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def loop(self):
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"Main control loop"
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self.active = True
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while self.active:
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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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@SubmissionController.register(curses.KEY_RIGHT, 'l')
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def toggle_comment(self):
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"Toggle the selected comment tree between visible and hidden"
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current_index = self.nav.absolute_index
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self.content.toggle(current_index)
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if self.nav.inverted:
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# Reset the page so that the bottom is at the cursor position.
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# This is a workaround to handle if folding the causes the
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# cursor index to go out of bounds.
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self.nav.page_index, self.nav.cursor_index = current_index, 0
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@SubmissionController.register(curses.KEY_LEFT, 'h')
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def exit_submission(self):
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"Close the submission and return to the subreddit page"
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self.active = False
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@SubmissionController.register(curses.KEY_F5, 'r')
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def refresh_content(self):
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"Re-download comments reset the page index"
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self.content = SubmissionContent.from_url(
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self.reddit,
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self.content.name,
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self.loader)
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self.nav = Navigator(self.content.get, page_index=-1)
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@SubmissionController.register(curses.KEY_ENTER, 10, 'o')
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def open_link(self):
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"Open the current submission page with the webbrowser"
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# May want to expand at some point to open comment permalinks
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url = self.content.get(-1)['permalink']
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open_browser(url)
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@SubmissionController.register('c')
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def add_comment(self):
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"""
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Add a top-level comment if the submission is selected, or reply to the
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selected comment.
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"""
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if not self.reddit.is_logged_in():
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show_notification(self.stdscr, ['Not logged in'])
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return
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data = self.content.get(self.nav.absolute_index)
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if data['type'] == 'Submission':
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content = data['text']
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elif data['type'] == 'Comment':
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content = data['body']
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else:
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curses.flash()
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return
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# Comment out every line of the content
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content = '\n'.join(['# |' + line for line in content.split('\n')])
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comment_info = COMMENT_FILE.format(
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author=data['author'],
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type=data['type'].lower(),
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content=content)
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curses.endwin()
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comment_text = open_editor(comment_info)
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curses.doupdate()
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if not comment_text:
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curses.flash()
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return
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try:
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if data['type'] == 'Submission':
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data['object'].add_comment(comment_text)
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else:
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data['object'].reply(comment_text)
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except praw.errors.APIException:
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curses.flash()
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else:
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time.sleep(2.0)
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self.refresh_content()
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def draw_item(self, win, data, inverted=False):
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if data['type'] == 'MoreComments':
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return self.draw_more_comments(win, data)
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elif data['type'] == 'HiddenComment':
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return self.draw_more_comments(win, data)
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elif data['type'] == 'Comment':
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return self.draw_comment(win, data, inverted=inverted)
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else:
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return self.draw_submission(win, data)
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@staticmethod
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def draw_comment(win, data, inverted=False):
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n_rows, n_cols = win.getmaxyx()
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n_cols -= 1
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# Handle the case where the window is not large enough to fit the text.
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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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row = offset
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if row in valid_rows:
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text = clean(u'{author} '.format(**data))
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attr = curses.A_BOLD
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attr |= (Color.BLUE if not data['is_author'] else Color.GREEN)
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win.addnstr(row, 1, text, n_cols - 1, attr)
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if data['flair']:
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text = clean(u'{flair} '.format(**data))
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attr = curses.A_BOLD | Color.YELLOW
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win.addnstr(text, n_cols - win.getyx()[1], attr)
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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' {score} {created} '.format(**data))
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win.addnstr(text, n_cols - win.getyx()[1])
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if data['gold']:
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text, attr = GOLD, (curses.A_BOLD | Color.YELLOW)
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win.addnstr(text, n_cols - win.getyx()[1], attr)
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n_body = len(data['split_body'])
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for row, text in enumerate(data['split_body'], start=offset + 1):
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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)
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# Unfortunately vline() doesn't support custom color so we have to
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# build it one segment at a time.
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attr = Color.get_level(data['level'])
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for y in range(n_rows):
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x = 0
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# http://bugs.python.org/issue21088
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if (sys.version_info.major,
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sys.version_info.minor,
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sys.version_info.micro) == (3, 4, 0):
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x, y = y, x
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win.addch(y, x, curses.ACS_VLINE, attr)
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return (attr | curses.ACS_VLINE)
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@staticmethod
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def draw_more_comments(win, data):
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n_rows, n_cols = win.getmaxyx()
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n_cols -= 1
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text = clean(u'{body}'.format(**data))
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win.addnstr(0, 1, text, n_cols - 1)
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text = clean(u' [{count}]'.format(**data))
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win.addnstr(text, n_cols - win.getyx()[1], curses.A_BOLD)
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# Unfortunately vline() doesn't support custom color so we have to
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# build it one segment at a time.
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attr = Color.get_level(data['level'])
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win.addch(0, 0, curses.ACS_VLINE, attr)
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return (attr | curses.ACS_VLINE)
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@staticmethod
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def draw_submission(win, data):
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n_rows, n_cols = win.getmaxyx()
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n_cols -= 3 # one for each side of the border + one for offset
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for row, text in enumerate(data['split_title'], start=1):
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text = clean(text)
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win.addnstr(row, 1, text, n_cols, curses.A_BOLD)
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row = len(data['split_title']) + 1
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attr = curses.A_BOLD | Color.GREEN
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text = clean(u'{author}'.format(**data))
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win.addnstr(row, 1, text, n_cols, attr)
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attr = curses.A_BOLD | Color.YELLOW
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text = clean(u' {flair}'.format(**data))
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win.addnstr(text, n_cols - win.getyx()[1], attr)
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text = clean(u' {created} {subreddit}'.format(**data))
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win.addnstr(text, n_cols - win.getyx()[1])
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row = len(data['split_title']) + 2
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attr = curses.A_UNDERLINE | Color.BLUE
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text = clean(u'{url}'.format(**data))
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win.addnstr(row, 1, text, n_cols, attr)
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offset = len(data['split_title']) + 3
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# Cut off text if there is not enough room to display the whole post
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split_text = data['split_text']
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if data['n_rows'] > n_rows:
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cutoff = data['n_rows'] - n_rows + 1
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split_text = split_text[:-cutoff]
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split_text.append('(Not enough space to display)')
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for row, text in enumerate(split_text, start=offset):
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text = clean(text)
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win.addnstr(row, 1, text, n_cols)
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row = len(data['split_title']) + len(split_text) + 3
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text = clean(u'{score} {comments} '.format(**data))
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win.addnstr(row, 1, text, n_cols, curses.A_BOLD)
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if data['gold']:
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text, attr = GOLD, (curses.A_BOLD | Color.YELLOW)
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win.addnstr(text, n_cols - win.getyx()[1], attr)
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win.border() |