first parts of python

Signed-off-by: Matt Williams <m@technovangelist.com>

embeddings-2024-03-11/bunjs/embed.ts

@@ -64,7 +64,7 @@ const subtitleFiles: string[] = []
 const glob = new Glob("*.ttml");
 
 const allSubtitles: subtitleJson[] = [];
-for await (const file of glob.scan("./captions")) {
+for await (const file of glob.scan("../captions")) {
   let seconds = 0
   const { title, id } = getTitleAndID(file)
 

embeddings-2024-03-11/python/embed.py

@@ -0,0 +1,76 @@
+import re, glob, ollama, json, os
+from typing import List
+import xml.etree.ElementTree as ET
+
+def time_to_seconds(time):
+  hours, minutes, seconds = [int(x) for x in time.split(":")]
+  total_seconds = hours * 3600 + minutes * 60 + seconds
+  return total_seconds
+
+
+def chunk_subtitles(subs, chunk_size, chunk_overlap):
+    max_subs = len(subs) - 1
+    i = 0
+    chunked_subs = []
+
+    while i < (max_subs - chunk_size):
+        index = i
+        start = subs[index]['start']
+        text = ' '.join([sub['text'] for sub in subs[i:i+chunk_size]])
+
+        chunked_subs.append({
+            "start": start,
+            "text": text,
+            "embed": [],
+            "videoID": subs[index]["videoID"],
+            "videoTitle": subs[index]["videoTitle"]
+        })
+
+        i = i + chunk_size - chunk_overlap
+
+    return chunked_subs
+
+def get_title_and_id(filename):
+    title = ""
+    id = ""
+    file = os.path.splitext(os.path.basename(filename))[0]
+    regex = r"(.*?)\s+\[(.*?)\]\..*?"
+    matches = re.match(regex, file)
+
+    if matches and len(matches.groups()) >= 2:
+        title = matches.group(1)
+        id = matches.group(2)
+
+    return {'title': title, 'id': id}
+
+def parse_xml(xmlstring, id, title):
+    tree = ET.fromstring(xmlstring)
+    elements = tree.findall('.//{http://www.w3.org/ns/ttml}p')
+    subtitles = []
+    for p in elements:
+        text = p.text.strip()
+        start = p.attrib['begin']
+        subtitles.append({"start": start, "text": text, "embed": [], "videoID": id, "videoTitle": title})
+    
+    return subtitles
+
+if __name__ == "__main__":
+    files = glob.glob("../captions/*.ttml")
+    all_subtitles = []
+
+    for file in files:
+        title, id = get_title_and_id(file).values()
+        with open(file, "r") as f:
+          xml_subtitles_text = f.read().replace("<br />", "")
+          subtitles = parse_xml(xml_subtitles_text, id, title)
+          chunked_subtitles = chunk_subtitles(subtitles, 10, 5)
+
+          for chunk in chunked_subtitles:
+              embedding = ollama.embeddings(model='nomic-embed-text', prompt = chunk["text"] )['embedding']
+              chunk['embed'] = embedding
+
+          all_subtitles += [chunk]
+
+          
+          with open('embeddedSubtitles.json','w') as f:
+              f.write(json.dumps(all_subtitles, indent=2))              

embeddings-2024-03-11/python/requirements.txt

@@ -0,0 +1,2 @@
+ollama
+typing