stevens_renderer.py

   1 #!/usr/bin/env python3
   2
   3 import http.client
   4 from typing import List, Dict
   5 import xml.etree.ElementTree as ET
   6
   7 import renderer
   8 import file_writer
   9
  10
  11 class stevens_pass_conditions_renderer(renderer.debuggable_abstaining_renderer):
  12     """Renders a page about Stevens Pass conditions."""
  13
  14     def __init__(
  15         self, name_to_timeout_dict: Dict[str, int], feed_site: str, feed_uris: List[str]
  16     ) -> None:
  17         super(stevens_pass_conditions_renderer, self).__init__(
  18             name_to_timeout_dict, False
  19         )
  20         self.feed_site = feed_site
  21         self.feed_uris = feed_uris
  22
  23     def debug_prefix(self) -> str:
  24         return "stevens"
  25
  26     def periodic_render(self, key: str) -> bool:
  27         with file_writer.file_writer("stevens-conditions_1_86400.html") as f:
  28             for uri in self.feed_uris:
  29                 self.conn = http.client.HTTPSConnection(self.feed_site)
  30                 self.conn.request("GET", uri, None, {"Accept-Charset": "utf-8"})
  31                 response = self.conn.getresponse()
  32                 if response.status == 200:
  33                     raw = response.read()
  34                     rss = ET.fromstring(raw)
  35                     channel = rss[0]
  36                     for item in channel.getchildren():
  37                         if item.tag == "title":
  38                             f.write(f"<h1>{item.text}</h1><hr>")
  39                             f.write(
  40                                 '<IMG WIDTH=512 ALIGN=RIGHT HEIGHT=382 SRC="https://images.wsdot.wa.gov/nc/002vc06430.jpg?t=637059938785646824" style="padding:8px;">'
  41                             )
  42                         elif item.tag == "item":
  43                             for x in item.getchildren():
  44                                 if x.tag == "description":
  45                                     text = x.text
  46                                     if text is not None:
  47                                         text = text.replace(
  48                                             "<strong>Stevens Pass US2</strong><br/>", ""
  49                                         )
  50                                         text = text.replace("<br/><br/>", "<BR>")
  51                                         text = text.replace(
  52                                             "<strong>Elevation Meters:</strong>1238<BR>", ""
  53                                         )
  54                                     else:
  55                                         text = ""
  56                                     f.write(f"<P>\n{text}\n")
  57                     return True
  58         return False