139 lines
4.2 KiB
Python
139 lines
4.2 KiB
Python
import curses
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import sys
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import webbrowser
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from requests.exceptions import HTTPError
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from .errors import SubredditNameError
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from .page import BasePage
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from .submission import SubmissionPage
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from .content import SubredditContent
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from .utils import LoadScreen, text_input, display_message, Color, ESCAPE
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class SubredditPage(BasePage):
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def __init__(self, stdscr, reddit, name):
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self.reddit = reddit
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self.name = name
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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, content)
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def loop(self):
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self.draw()
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while True:
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cmd = self.stdscr.getch()
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if cmd in (curses.KEY_UP, ord('k')):
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self.move_cursor_up()
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self.clear_input_queue()
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elif cmd in (curses.KEY_DOWN, ord('j')):
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self.move_cursor_down()
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self.clear_input_queue()
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# View submission
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elif cmd in (curses.KEY_RIGHT, curses.KEY_ENTER, ord('l')):
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self.open_submission()
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self.draw()
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elif cmd == ord('o'):
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self.open_link()
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# Enter edit mode to change subreddit
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elif cmd == ord('/'):
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self.prompt_subreddit()
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self.draw()
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# Refresh page
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elif cmd in (curses.KEY_F5, ord('r')):
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self.refresh_content()
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self.draw()
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elif cmd == curses.KEY_RESIZE:
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self.draw()
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# Quit
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elif cmd == ord('q'):
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sys.exit()
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else:
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curses.beep()
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def refresh_content(self, name=None):
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name = name or self.name
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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 (SubredditNameError, HTTPError):
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display_message(self.stdscr, 'Invalid Subreddit')
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else:
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self.nav.page_index, self.nav.cursor_index = 0, 0
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self.nav.inverted = False
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self.name = name
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def prompt_subreddit(self):
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attr = curses.A_BOLD | Color.MAGENTA
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prompt = 'Enter Subreddit: /r/'
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n_rows, n_cols = self.stdscr.getmaxyx()
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self.stdscr.addstr(n_rows-1, 0, prompt, attr)
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self.stdscr.refresh()
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window = self.stdscr.derwin(n_rows-1, len(prompt))
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window.attrset(attr)
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out = text_input(window)
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if out is not None:
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self.refresh_content(name=out)
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def open_submission(self):
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"Select the current submission to view posts"
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submission = self.content.get(self.nav.absolute_index)['object']
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page = SubmissionPage(self.stdscr, self.reddit, submission=submission)
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page.loop()
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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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attr = curses.A_BOLD
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win.addstr(row, 1, text, attr)
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row = n_title + offset
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if row in valid_rows:
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attr = curses.A_UNDERLINE | Color.BLUE
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text = '{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 = '{created} {comments} {score}'.format(**data)
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win.addnstr(row, 1, text, n_cols-1)
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row = n_title + offset + 2
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if row in valid_rows:
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text = '{author}'.format(**data)
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win.addnstr(row, 1, text, n_cols-1, curses.A_BOLD)
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text = ' {subreddit}'.format(**data)
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win.addnstr(text, n_cols - win.getyx()[1], Color.YELLOW)
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def open_link(self):
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url = self.content.get(self.nav.absolute_index)['url']
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webbrowser.open_new_tab(url)
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