Fix pickle implementation

[lightcards.git] / lightcards / parse.py

diff --git a/lightcards/parse.py b/lightcards/parse.py
old mode 100755 (executable)
new mode 100644 (file)
index 12c1073..6fc2a75
--- a/lightcards/parse.py
+++ b/lightcards/parse.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # Parse markdown table into tuple of lists
 # Armaan Bhojwani 2021
 
@@ -6,33 +5,43 @@ import sys
 from bs4 import BeautifulSoup
 import markdown
 
+from .deck import Card
+
 
 def md2html(file):
-    with open(file, "r", encoding="utf-8") as input_file:
-        return markdown.markdown(input_file.read(), extensions=['tables'])
+    """Use the markdown module to convert input to HTML"""
+    try:
+        return markdown.markdown(open(file, "r").read(), extensions=["tables"])
+    except FileNotFoundError:
+        sys.exit(f'lightcards: "{file}": No such file or directory')
 
 
 def parse_html(html):
+    """Use BeautifulSoup to parse the HTML"""
+
     def clean_text(inp):
         return inp.get_text().rstrip()
 
-    def clean_list(inp):
-        for z in inp:
-            if not len(z) == 2:
-                inp.remove(z)
-        return inp
-
-    soup = BeautifulSoup(html, 'html.parser')
+    soup = BeautifulSoup(html, "html.parser").find("table")
     outp = []
 
-    for x in soup.find_all("tr"):
-        outp.append([clean_text(y) for y in x.find_all("td")])
+    try:
+        for x in soup.find_all("tr"):
+            outp.append(Card(tuple([clean_text(y) for y in x.find_all("td")])))
+    except AttributeError:
+        sys.exit("lightcards: No table found")
+
+    ths = soup.find_all("th")
+    if len(ths) != 2:
+        sys.exit("lightcards: Headings malformed")
+
+    # Return a tuple of nested lists
+    return ([clean_text(x) for x in ths], outp[1:])
 
-    return ([clean_text(x) for x in soup.find_all("th")],
-            clean_list(outp))
 
 def main(file):
     return parse_html(md2html(file))
 
+
 if __name__ == "__main__":
     print(main(sys.argv[1]))