Files changed (3) hide show
  1. README.md +1 -1
  2. app.py +15 -186
  3. requirements.txt +1 -3
README.md CHANGED
@@ -5,9 +5,9 @@ colorFrom: purple
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  colorTo: pink
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  sdk: gradio
7
  sdk_version: 3.27.0
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- python_version: 3.10.9
9
  app_file: app.py
10
  pinned: false
11
  duplicated_from: fffiloni/langchain-chat-with-pdf-openai
12
  ---
 
13
  Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
 
5
  colorTo: pink
6
  sdk: gradio
7
  sdk_version: 3.27.0
 
8
  app_file: app.py
9
  pinned: false
10
  duplicated_from: fffiloni/langchain-chat-with-pdf-openai
11
  ---
12
+
13
  Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
app.py CHANGED
@@ -9,11 +9,6 @@ from langchain.embeddings import OpenAIEmbeddings
9
  from langchain.vectorstores import Chroma
10
  from langchain.chains import ConversationalRetrievalChain
11
  from langchain import PromptTemplate
12
- from transformers import Pix2StructForConditionalGeneration, Pix2StructProcessor
13
- import requests
14
- from PIL import Image
15
- import torch
16
-
17
 
18
 
19
  # _template = """Given the following conversation and a follow up question, rephrase the follow up question to be a standalone question.
@@ -33,32 +28,12 @@ import torch
33
  # =========
34
  # Answer in Markdown:"""
35
 
36
- torch.hub.download_url_to_file('https://raw.githubusercontent.com/vis-nlp/ChartQA/main/ChartQA%20Dataset/val/png/20294671002019.png', 'chart_example.png')
37
- torch.hub.download_url_to_file('https://raw.githubusercontent.com/vis-nlp/ChartQA/main/ChartQA%20Dataset/test/png/multi_col_1081.png', 'chart_example_2.png')
38
- torch.hub.download_url_to_file('https://raw.githubusercontent.com/vis-nlp/ChartQA/main/ChartQA%20Dataset/test/png/18143564004789.png', 'chart_example_3.png')
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- torch.hub.download_url_to_file('https://sharkcoder.com/files/article/matplotlib-bar-plot.png', 'chart_example_4.png')
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-
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-
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- model_name = "google/matcha-chartqa"
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- model = Pix2StructForConditionalGeneration.from_pretrained(model_name)
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- processor = Pix2StructProcessor.from_pretrained(model_name)
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- device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
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- model.to(device)
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-
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- def filter_output(output):
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- return output.replace("<0x0A>", "")
50
-
51
- def chart_qa(image, question):
52
- inputs = processor(images=image, text=question, return_tensors="pt").to(device)
53
- predictions = model.generate(**inputs, max_new_tokens=512)
54
- return filter_output(processor.decode(predictions[0], skip_special_tokens=True))
55
-
56
  def loading_pdf():
57
  return "Loading..."
58
 
59
 
60
  def pdf_changes(pdf_doc, open_ai_key):
61
- if open_ai_key is not None:
62
  os.environ['OPENAI_API_KEY'] = open_ai_key
63
  loader = OnlinePDFLoader(pdf_doc.name)
64
  documents = loader.load()
@@ -108,180 +83,34 @@ css="""
108
  """
109
 
110
  title = """
111
- <div style="text-align: center;">
112
  <h1>YnP LangChain Test </h1>
113
  <p style="text-align: center;">Please specify OpenAI Key before use</p>
114
  </div>
115
  """
116
 
117
 
118
- # with gr.Blocks(css=css) as demo:
119
- # with gr.Column(elem_id="col-container"):
120
- # gr.HTML(title)
121
-
122
- # with gr.Column():
123
- # openai_key = gr.Textbox(label="You OpenAI API key", type="password")
124
- # pdf_doc = gr.File(label="Load a pdf", file_types=['.pdf'], type="file")
125
- # with gr.Row():
126
- # langchain_status = gr.Textbox(label="Status", placeholder="", interactive=False)
127
- # load_pdf = gr.Button("Load pdf to langchain")
128
-
129
- # chatbot = gr.Chatbot([], elem_id="chatbot").style(height=350)
130
- # question = gr.Textbox(label="Question", placeholder="Type your question and hit Enter ")
131
- # submit_btn = gr.Button("Send Message")
132
-
133
- # load_pdf.click(loading_pdf, None, langchain_status, queue=False)
134
- # load_pdf.click(pdf_changes, inputs=[pdf_doc, openai_key], outputs=[langchain_status], queue=False)
135
- # question.submit(add_text, [chatbot, question], [chatbot, question]).then(
136
- # bot, chatbot, chatbot
137
- # )
138
- # submit_btn.click(add_text, [chatbot, question], [chatbot, question]).then(
139
- # bot, chatbot, chatbot)
140
-
141
- # demo.launch()
142
-
143
-
144
- """functions"""
145
-
146
- def load_file():
147
- return "Loading..."
148
-
149
- def load_xlsx(name):
150
- import pandas as pd
151
-
152
- xls_file = rf'{name}'
153
- data = pd.read_excel(xls_file)
154
- return data
155
-
156
- def table_loader(table_file, open_ai_key):
157
- import os
158
- from langchain.llms import OpenAI
159
- from langchain.agents import create_pandas_dataframe_agent
160
- from pandas import read_csv
161
-
162
- global agent
163
- if open_ai_key is not None:
164
- os.environ['OPENAI_API_KEY'] = open_ai_key
165
- else:
166
- return "Enter API"
167
-
168
- if table_file.name.endswith('.xlsx') or table_file.name.endswith('.xls'):
169
- data = load_xlsx(table_file.name)
170
- agent = create_pandas_dataframe_agent(OpenAI(temperature=0), data)
171
- return "Ready!"
172
- elif table_file.name.endswith('.csv'):
173
- data = read_csv(table_file.name)
174
- agent = create_pandas_dataframe_agent(OpenAI(temperature=0), data)
175
- return "Ready!"
176
- else:
177
- return "Wrong file format! Upload excel file or csv!"
178
-
179
- def run(query):
180
- from langchain.callbacks import get_openai_callback
181
-
182
- with get_openai_callback() as cb:
183
- response = (agent.run(query))
184
- costs = (f"Total Cost (USD): ${cb.total_cost}")
185
- output = f'{response} \n {costs}'
186
- return output
187
-
188
- def respond(message, chat_history):
189
- import time
190
-
191
- bot_message = run(message)
192
- chat_history.append((message, bot_message))
193
- time.sleep(0.5)
194
- return "", chat_history
195
-
196
-
197
- with gr.Blocks() as demo:
198
  with gr.Column(elem_id="col-container"):
199
  gr.HTML(title)
200
- key = gr.Textbox(
201
- show_label=False,
202
- placeholder="Your OpenAI key",
203
- type = 'password',
204
- ).style(container=False)
205
-
206
- # PDF processing tab
207
- with gr.Tab("PDFs"):
208
 
209
- with gr.Row():
210
-
211
- with gr.Column(scale=0.5):
 
212
  langchain_status = gr.Textbox(label="Status", placeholder="", interactive=False)
213
  load_pdf = gr.Button("Load pdf to langchain")
214
-
215
- with gr.Column(scale=0.5):
216
- pdf_doc = gr.File(label="Load a pdf", file_types=['.pdf'], type="file")
217
-
218
-
219
- with gr.Row():
220
-
221
- with gr.Column(scale=1):
222
- chatbot = gr.Chatbot([], elem_id="chatbot").style(height=350)
223
-
224
- with gr.Row():
225
-
226
- with gr.Column(scale=0.85):
227
- question = gr.Textbox(
228
- show_label=False,
229
- placeholder="Enter text and press enter, or upload an image",
230
- ).style(container=False)
231
-
232
- with gr.Column(scale=0.15, min_width=0):
233
- clr_btn = gr.Button("Clear!")
234
-
235
  load_pdf.click(loading_pdf, None, langchain_status, queue=False)
236
- load_pdf.click(pdf_changes, inputs=[pdf_doc, key], outputs=[langchain_status], queue=True)
237
  question.submit(add_text, [chatbot, question], [chatbot, question]).then(
238
  bot, chatbot, chatbot
239
  )
240
-
241
- # XLSX and CSV processing tab
242
- with gr.Tab("Spreadsheets"):
243
- with gr.Row():
244
-
245
- with gr.Column(scale=0.5):
246
- status_sh = gr.Textbox(label="Status", placeholder="", interactive=False)
247
- load_table = gr.Button("Load csv|xlsx to langchain")
248
-
249
- with gr.Column(scale=0.5):
250
- raw_table = gr.File(label="Load a table file (xls or csv)", file_types=['.csv, xlsx, xls'], type="file")
251
-
252
-
253
- with gr.Row():
254
-
255
- with gr.Column(scale=1):
256
- chatbot_sh = gr.Chatbot([], elem_id="chatbot").style(height=350)
257
-
258
-
259
- with gr.Row():
260
-
261
- with gr.Column(scale=0.85):
262
- question_sh = gr.Textbox(
263
- show_label=False,
264
- placeholder="Enter text and press enter, or upload an image",
265
- ).style(container=False)
266
-
267
- with gr.Column(scale=0.15, min_width=0):
268
- clr_btn = gr.Button("Clear!")
269
-
270
- load_table.click(load_file, None, status_sh, queue=False)
271
- load_table.click(table_loader, inputs=[raw_table, key], outputs=[status_sh], queue=False)
272
-
273
- question_sh.submit(respond, [question_sh, chatbot_sh], [question_sh, chatbot_sh])
274
- clr_btn.click(lambda: None, None, chatbot_sh, queue=False)
275
-
276
 
277
- with gr.Tab("Charts"):
278
- image = gr.Image(type="pil", label="Chart")
279
- question = gr.Textbox(label="Question")
280
- load_chart = gr.Button("Load chart and question!")
281
- answer = gr.Textbox(label="Model Output")
282
-
283
- load_chart.click(chart_qa, [image, question], answer)
284
-
285
-
286
- demo.queue(concurrency_count=3)
287
  demo.launch()
 
9
  from langchain.vectorstores import Chroma
10
  from langchain.chains import ConversationalRetrievalChain
11
  from langchain import PromptTemplate
 
 
 
 
 
12
 
13
 
14
  # _template = """Given the following conversation and a follow up question, rephrase the follow up question to be a standalone question.
 
28
  # =========
29
  # Answer in Markdown:"""
30
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
31
  def loading_pdf():
32
  return "Loading..."
33
 
34
 
35
  def pdf_changes(pdf_doc, open_ai_key):
36
+ if openai_key is not None:
37
  os.environ['OPENAI_API_KEY'] = open_ai_key
38
  loader = OnlinePDFLoader(pdf_doc.name)
39
  documents = loader.load()
 
83
  """
84
 
85
  title = """
86
+ <div style="text-align: center;max-width: 700px;">
87
  <h1>YnP LangChain Test </h1>
88
  <p style="text-align: center;">Please specify OpenAI Key before use</p>
89
  </div>
90
  """
91
 
92
 
93
+ with gr.Blocks(css=css) as demo:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
94
  with gr.Column(elem_id="col-container"):
95
  gr.HTML(title)
 
 
 
 
 
 
 
 
96
 
97
+ with gr.Column():
98
+ openai_key = gr.Textbox(label="You OpenAI API key", type="password")
99
+ pdf_doc = gr.File(label="Load a pdf", file_types=['.pdf'], type="file")
100
+ with gr.Row():
101
  langchain_status = gr.Textbox(label="Status", placeholder="", interactive=False)
102
  load_pdf = gr.Button("Load pdf to langchain")
103
+
104
+ chatbot = gr.Chatbot([], elem_id="chatbot").style(height=350)
105
+ question = gr.Textbox(label="Question", placeholder="Type your question and hit Enter ")
106
+ submit_btn = gr.Button("Send Message")
107
+
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
108
  load_pdf.click(loading_pdf, None, langchain_status, queue=False)
109
+ load_pdf.click(pdf_changes, inputs=[pdf_doc, openai_key], outputs=[langchain_status], queue=False)
110
  question.submit(add_text, [chatbot, question], [chatbot, question]).then(
111
  bot, chatbot, chatbot
112
  )
113
+ submit_btn.click(add_text, [chatbot, question], [chatbot, question]).then(
114
+ bot, chatbot, chatbot)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
115
 
 
 
 
 
 
 
 
 
 
 
116
  demo.launch()
requirements.txt CHANGED
@@ -3,6 +3,4 @@ tiktoken
3
  chromadb
4
  langchain
5
  unstructured
6
- unstructured[local-inference]
7
- pandas
8
- tabulate
 
3
  chromadb
4
  langchain
5
  unstructured
6
+ unstructured[local-inference]