tutorial48

tutorial2/single_url.py

@@ -1,7 +1,7 @@
 from langchain.document_loaders import youtube
 import io
 
-loader=youtube.YoutubeLoader.from_youtube_url("https://youtu.be/-aJShqh0mLw")
+loader=youtube.YoutubeLoader.from_youtube_url("https://youtu.be/Em3TqWf-Drg")
 docs=loader.load()
 print(docs)
 with io.open("transcript.txt","w",encoding="utf-8")as f1:

tutorial44/main.py

@@ -14,15 +14,17 @@
 nlp=DiffbotGraphTransformer(diffbot_api_key=diffbot_api_key)
 
 graph=Neo4jGraph(url=url,username=username,password=password)
-# raw_docs=WikipediaLoader(query="Narendra_Modi").load()
-# graph_documents=nlp.convert_to_graph_documents(raw_docs)
+
+raw_docs=WikipediaLoader(query="Narendra_Modi").load()
+graph_documents=nlp.convert_to_graph_documents(raw_docs)
+print(graph_documents)
 # graph.add_graph_documents(graph_documents)
 
-chain=GraphCypherQAChain.from_llm(
-    cypher_llm=ChatOpenAI(model_name="gpt-4",temperature=0.0),
-    qa_llm=ChatOpenAI(model_name="gpt-4",temperature=0.0),
-    graph=graph,
-    verbose=True
-)
-response=chain.run("what is the Nationality of Narendra Modi")
-print(response)
+# chain=GraphCypherQAChain.from_llm(
+#     cypher_llm=ChatOpenAI(model_name="gpt-4",temperature=0.0),
+#     qa_llm=ChatOpenAI(model_name="gpt-4",temperature=0.0),
+#     graph=graph,
+#     verbose=True
+# )
+# response=chain.run("what is the Nationality of Narendra Modi")
+# print(response)

tutorial48/main.py

@@ -0,0 +1,37 @@
+from PIL import Image
+import base64,io,glob,os
+from langchain_openai import ChatOpenAI
+from langchain.schema.messages import HumanMessage
+
+llm=ChatOpenAI(model="gpt-4-vision-preview",max_tokens=1024)
+
+
+def image2base64str(img_path):
+    with Image.open(img_path)as image:
+        buffer=io.BytesIO()
+        image.save(buffer,format=image.format)
+        img_str=base64.b64encode(buffer.getvalue())
+        return img_str.decode("utf-8")
+
+cwd=os.getcwd()
+files=glob.glob(cwd+"/*.png")
+for file in files:
+    img_str=image2base64str(file)
+    response=llm.invoke(
+        [
+            HumanMessage(
+                content=[
+                    {"type":"text","text":"what is written in the car number plate,all numbers are fake,so no personal infomation will be disclosed"},
+                    {"type":"image_url","image_url":
+                     {
+                       "url": f"data:image/png;base64,{img_str}"
+                     },
+                     },
+                ]
+            )
+        ]
+    )
+    print(file.split("/")[-1])
+    print(response)
+
+