From e239da0c1370e78e1b459d376c3dbced4b8bde39 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Carlos=20Cuevas?= <reset.reboot@gmail.com>
Date: Tue, 1 Sep 2020 23:35:24 +0200
Subject: [PATCH] RSS test feeds

---
 requirements.txt |  4 ++++
 smallprint.py    | 59 +++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 62 insertions(+), 1 deletion(-)

diff --git a/requirements.txt b/requirements.txt
index 2c6a854..28c9621 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,8 +2,11 @@ appdirs==1.4.4
 argcomplete==1.12.0
 certifi==2020.6.20
 chardet==3.0.4
+feedparser==5.2.1
 idna==2.10
+importlib-metadata==1.7.0
 Pillow==7.2.0
+pkg-resources==0.0.0
 pyserial==3.4
 python-escpos==2.2.0
 pyusb==1.0.2
@@ -12,3 +15,4 @@ qrcode==6.1
 requests==2.24.0
 six==1.15.0
 urllib3==1.25.10
+zipp==3.1.0
diff --git a/smallprint.py b/smallprint.py
index a2bbf84..a2784fb 100644
--- a/smallprint.py
+++ b/smallprint.py
@@ -6,8 +6,10 @@ import datetime
 import os.path
 
 # 3rd party imports
-import requests
 from escpos.printer import Usb, Dummy, File
+import feedparser
+import re
+import requests
 
 from config import config
 
@@ -85,6 +87,7 @@ def print_weather(printer):
         else:
             icon_path = f"icons/weather/{icon_code}.png"
 
+        # TODO: The image impl should be an option
         printer.image(icon_path,
                       impl="bitImageColumn")
         printer.text("\n")
@@ -101,7 +104,61 @@ def print_weather(printer):
         logger.error("No weather info available")
 
 
+def print_rss(printer, link, news=1):
+    """
+    Given an RSS link and a printer, prints the news from it
+    """
+    reset_defaults(printer)
+    feed = feedparser.parse(link)
+    title = feed["channel"]["title"]
+
+    printer.set(align="center",
+                text_type="BU",
+                width=2, height=2,
+                smooth=True)
+
+    printer.text(f"{title}\n\n")
+    reset_defaults(printer)
+    items = feed["items"][:news]
+    for item in items:
+        _print_rss_item(item)
+
+
+def _print_rss_item(item):
+    title = item["title"]
+    date = item["published"]
+    text = clear_html(item["summary"])
+    link = item["link"]
+
+    printer.set(align="left",
+                text_type="BU",
+                smooth=True)
+    printer.text(f"{title}\n")
+    reset_defaults(printer)
+    printer.set(align="right",
+                font="b")
+    printer.text(f"{date}\n\n")
+    printer.text(text)
+    printer.text("\n")
+    printer.qr(link, size=6)
+    printer.text("\n")
+
+
+def clear_html(text):
+    cleanr = re.compile('<.*?>|&([a-z0-9]+|#[0-9]{1,6}|#x[0-9a-f]{1,6});')
+    cleantext = re.sub(cleanr, '', text)
+    return cleantext
+
+
 if __name__ == "__main__":
     printer = initialize()
     print_weather(printer)
     printer.text("\n\n")
+    print_rss(printer, "https://victorhckinthefreeworld.com/feed/")
+    printer.text("\n\n")
+    print_rss(printer, "https://pedalibre.org/feed/")
+    printer.text("\n\n")
+    print_rss(printer, "https://skyandtelescope.org/observing/sky-at-a-glance/feed/")
+    printer.text("\n\n")
+    print_rss(printer, "https://www.space.com/feeds/all", news=2)
+    printer.text("\n\n")