move nom into its own repo

diff --git a/src/main.py b/src/main.py
new file mode 100644 (file)
index 0000000..a1a0772
--- /dev/null
+++ b/src/main.py
@@ -0,0 +1,112 @@
+from dataclasses import dataclass
+from pathlib import Path
+from typing import Optional
+from urllib.parse import urlparse, quote, unquote
+
+import os
+import requests
+import feedparser
+
+
+FEED_CACHE=Path.home() / ".cache" / "nom" / "feeds"
+FEED_LIST=Path.home() / ".local" / "share" / "nom" / "feedlist" / "default"
+
+
+class NomError(Exception):
+    pass
+
+def url2filename(url: str)->str:
+    p = urlparse(url)
+    stringified = ''.join([p.netloc, p.path])
+    return quote(stringified, safe='',).replace('%2F','-')
+
+def filename2url(url: str)->str:
+    p = urlparse(url.replace('-','%2f'))
+    return "https://" + unquote(''.join([p.netloc, p.path]))
+
+
+# TODO: This should probably use Pydantic.
+@dataclass 
+class Entry:
+    title: str
+    url: str
+    updated: str   # TODO: Make this datetime when I add filters
+    # summary: str # TODO: Add this when you feel like stripping HTML
+
+    # TODO: What if there's a pipe in one of the fields? 
+    def write_line(self, delimiter: str ='|'):
+        return delimiter.join([self.title, self.url, self.updated])
+
+class Feed:
+
+    def __init__(self, url: str):
+        d = feedparser.parse(url)
+        self.d = d
+        self.name = d.feed.title
+        self.url = url # how is this different from d.feed.link?
+        self.entries : list[Entry] = [
+            Entry(
+                e.title, 
+                e.link, 
+                e.updated
+                ) for e in d.entries]
+
+    # TODO: Fix this with command line option
+    def to_stdout(self, file: Optional[Path]=None):
+        for entry in self.entries:
+            if entry:
+                print(entry.write_line())
+
+class FeedList:
+
+    def __init__(self, file: Path):
+        with open(file, 'r') as f:
+            urls = f.read().splitlines()
+        
+        self.name = file.name
+        self.urls = urls
+
+    def fetch_feeds(self, save_dir: Path=FEED_CACHE):
+        if not os.path.exists(save_dir):
+            os.makedirs(save_dir)
+
+        for url in self.urls:
+            filename = url2filename(url)
+            path = save_dir / filename
+            with open(path, 'w') as f:
+                # TODO: URL Error Handling
+                r = requests.get(url)
+                f.write(r.text)
+            print(f"{path} updated")
+
+# TODO: Need to append feeds to one another (and save to entrylist)
+# TODO: Flesh out CLI.
+if __name__ == "__main__":
+    
+    from argparse import ArgumentParser
+    parser = ArgumentParser(description="Nom Script")
+    subparsers = parser.add_subparsers(dest='command', help='Sub-command help')
+
+    # Entry subcommand
+    entry_parser = subparsers.add_parser('entry', help='Entry related commands')
+    entry_subparsers = entry_parser.add_subparsers(dest='entry_command', help='Entry sub-command help')
+    entry_show_parser = entry_subparsers.add_parser('show', help='Show entries')
+
+    # Feed subcommand
+    feed_parser = subparsers.add_parser('feed', help='Feed related commands')
+    feed_subparsers = feed_parser.add_subparsers(dest='feed_command', help='Feed sub-command help')
+    feed_update_parser = feed_subparsers.add_parser('update', help='Update feed')
+
+    # Parse Args
+    args = parser.parse_args()
+
+    # Direct Logic 
+    feedlist=FeedList(FEED_LIST)
+    if args.command == "entry" and args.entry_command == "show":
+        for url in feedlist.urls:
+            feed=Feed(str(FEED_CACHE / url2filename(url)))
+            feed.to_stdout()
+    elif args.command == "feed" and args.feed_command == "update":
+        feedlist.fetch_feeds()
+    else:
+        raise NomError("That option is not yet supported.")
\ No newline at end of file