Files
tuir/rtv/submission.py
2015-09-20 19:54:41 -07:00

255 lines
8.4 KiB
Python

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