Let PRAW manage authentication

rtv/subscription.py

@@ -0,0 +1,74 @@
+import curses
+import sys
+import time
+import logging
+
+from .content import SubscriptionContent
+from .page import BasePage, Navigator, BaseController
+from .curses_helpers import (Color, LoadScreen, add_line)
+
+__all__ = ['SubscriptionController', 'SubscriptionPage']
+_logger = logging.getLogger(__name__)
+
+class SubscriptionController(BaseController):
+    character_map = {}
+
+class SubscriptionPage(BasePage):
+
+    def __init__(self, stdscr, reddit, oauth):
+
+        self.controller = SubscriptionController(self)
+        self.loader = LoadScreen(stdscr)
+        self.oauth = oauth
+        self.selected_subreddit_data = None
+
+        content = SubscriptionContent.from_user(reddit, self.loader)
+        super(SubscriptionPage, self).__init__(stdscr, reddit, content, oauth)
+
+    def loop(self):
+        "Main control loop"
+
+        self.active = True
+        while self.active:
+            self.draw()
+            cmd = self.stdscr.getch()
+            self.controller.trigger(cmd)
+
+    @SubscriptionController.register(curses.KEY_F5, 'r')
+    def refresh_content(self):
+        "Re-download all subscriptions and reset the page index"
+
+        self.content = SubscriptionContent.from_user(self.reddit, self.loader)
+        self.nav = Navigator(self.content.get)
+
+    @SubscriptionController.register(curses.KEY_ENTER, 10, curses.KEY_RIGHT)
+    def store_selected_subreddit(self):
+        "Store the selected subreddit and return to the subreddit page"
+
+        self.selected_subreddit_data = self.content.get(self.nav.absolute_index)
+        self.active = False
+
+    @SubscriptionController.register(curses.KEY_LEFT, 'h', 's')
+    def close_subscriptions(self):
+        "Close subscriptions and return to the subreddit page"
+
+        self.active = False
+
+    @staticmethod
+    def draw_item(win, data, inverted=False):
+        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)
+
+        row = offset
+        if row in valid_rows:
+            attr = curses.A_BOLD | Color.YELLOW
+            add_line(win, u'{name}'.format(**data), row, 1, attr)
+
+        row = offset + 1
+        for row, text in enumerate(data['split_title'], start=row):
+            if row in valid_rows:
+                add_line(win, text, row, 1)