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import os
from fastapi import FastAPI, UploadFile
from fastapi.responses import FileResponse, HTMLResponse, RedirectResponse
import gradio as gr
from PIL import Image
import PIL
import numpy as np
import pypdfium2 as pdfium
from ultralytics import YOLO
from ultralytics.engine.results import Results, Masks
import uvicorn
import cv2
import uuid
from functools import partial
from openai import OpenAI
PROMPT = "You are analyzing the spec sheet of a solar panel. Plese answer the following questions, format them with bullets. \n"
# from solareyes.sam import SAM
client = OpenAI(
# This is the default and can be omitted
api_key=os.environ.get("OPENAI_API_KEY"),
)
app = FastAPI()
# Load the model
# model: YOLO = YOLO('model/autodistill_best.pt') # Path to trained model
# seg_model: YOLO = YOLO('model/autodistill_best_seg.pt') # Path to trained model
# Directories
image_dir = './pdf_images/'
cropped_dir = './output/'
pdf_dir = './pdf_downloads/'
os.makedirs(image_dir, exist_ok=True)
os.makedirs(cropped_dir, exist_ok=True)
os.makedirs(pdf_dir, exist_ok=True)
HTML = """
<!DOCTYPE html>
<html>
<h1>Gradio Request Demo</h1>
<p>Click the button to be redirected to the gradio app!</p>
<button onclick="window.location.pathname='/gradio'">Redirect</button>
</html>
"""
# sam = SAM()
# @app.get("/")
# def read_main():
# return HTMLResponse(HTML)
# @app.get("/foo")
# def redirect():
# return RedirectResponse("/gradio")
# def detect_solar_panel(image) -> Results:
# # Perform inference
# results: Results = model(image)
# return results
def segment_solar_panel(image) -> Results:
# Perform inference
seg_model: YOLO = YOLO('model/autodistill_best_seg.pt')
results: Results = seg_model.predict(image, imgsz=(841, 595), retina_masks=True)
return results
def resize_and_pad(subject_image: Image.Image):
# Resize subject image to 80% of 1200px while maintaining aspect ratio
target_height = int(1200 * 0.8)
aspect_ratio = subject_image.width / subject_image.height
new_width = int(target_height * aspect_ratio)
resized_subject = subject_image.resize((new_width, target_height), Image.LANCZOS)
# Create a new transparent image
new_image = Image.new("RGBA", (1200, 1200), (0, 0, 0, 0))
# Calculate the position to paste the resized subject image
x = (1200 - new_width) // 2
y = (1200 - target_height) // 2
# Paste the resized subject image onto the transparent image
new_image.paste(resized_subject, (x, y), resized_subject)
# Save or return the PNG image
png_image = new_image
# Create a new image with a white background
jpg_image = Image.new("RGB", (1200, 1200), (255, 255, 255))
jpg_image.paste(png_image, (0, 0), png_image)
# Save or return the JPEG image
return png_image, jpg_image
def segment_image_core(img: np.ndarray | Image.Image) -> Image.Image:
if type(img) is np.ndarray:
img = Image.fromarray(img)
results = segment_solar_panel(img)
sections = []
for i, result in enumerate(results):
print(f"Result {i}")
result: Results
try:
h2, w2, c2 = result.orig_img.shape
# Deal with boxes
i = 0
for box in result.boxes:
x1, y1, x2, y2 = box.xyxy[0].tolist()
sections.append(((int(x1), int(y1), int(x2), int(y2)), f"{section_labels[0]} Bounding Box - index {i} - conf {box.conf}"))
# Now the masks
masks: Masks = result.masks
try:
mask = masks[i]
cpu_mask = mask.cpu()
squeezed_mask = cpu_mask.data.numpy()
transposed_mask = squeezed_mask.transpose(1, 2, 0)
kernel = cv2.getStructuringElement(cv2.MORPH_OPEN, (11, 11))
opened_mask = cv2.morphologyEx(transposed_mask, cv2.MORPH_OPEN, kernel, iterations=3)
cv_mask = cv2.resize(opened_mask, (w2, h2))
image_mask = Image.fromarray((cv_mask * 255).astype(np.uint8)).filter(PIL.ImageFilter.GaussianBlur(1))
img_out = img.copy()
img_out.putalpha(image_mask)
img_out = img_out.crop((x1, y1, x2, y2))
png_img, jpg_img = resize_and_pad(img_out)
sections.append((cv_mask, f"{section_labels[0]} Mask - Index: {i}"))
except TypeError as e:
print(f"Error processing image: {e}, probably no masks.")
i += 1
except IndexError as e:
print(f"Error processing image: {e}, probably no boxes.")
return (img, sections), jpg_img
def process_pdf_core(pdf) -> Image.Image:
pdf = pdfium.PdfDocument(pdf)
img_input.clear()
# Get just the first page
page = pdf[0]
image = page.render(scale=4).to_pil()
return image
with gr.Blocks() as demo:
section_labels = ['Solar Panel']
def segment_image(img):
img_sections, jpg_img = segment_image_core(img)
return img_sections
# def process_image(img):
# results = detect_solar_panel(img)
# sections = []
# for result in results:
# result: Results
# # print(result)
# try:
# boxes = result.boxes.xyxy[0].tolist()
# # Unpack boxes
# x1, y1, x2, y2 = boxes
# sections.append(((int(x1), int(y1), int(x2), int(y2)), f"{section_labels[0]} Bounding Box"))
# #Create 4 centroids around the true centroid shifted by a delta value
# delta = 0.3
# delta_x = (x2 - x1) * delta
# delta_y = (y2 - y1) * delta
# x_centroid = (x1 + x2) / 2
# y_centroid = (y1 + y2) / 2
# xtop_centroid = x_centroid
# ytop_centroid = y_centroid + delta_y
# xright_centroid = x_centroid + delta_x
# yright_centroid = y_centroid
# xbottom_centroid = x_centroid
# ybottom_centroid = y_centroid - delta_y
# xleft_centroid = x_centroid - delta_x
# yleft_centroid = y_centroid
# sam_mask, sam_scores = sam.segment(img, [[
# [xtop_centroid, ytop_centroid],
# [xright_centroid, yright_centroid],
# [xbottom_centroid, ybottom_centroid],
# [xleft_centroid, yleft_centroid]
# ]])
# squeezed_sam_mask_tensor = sam_mask[0].squeeze()
# squeezed_sam_scores_tensor = sam_scores[0].squeeze()
# print(f"sqeezed sam mask shape {squeezed_sam_mask_tensor.shape}")
# print(f"sqeezed sam scores shape {squeezed_sam_scores_tensor.shape}")
# for i in range(0, squeezed_sam_mask_tensor.shape[0]):
# flat_mask = squeezed_sam_mask_tensor[i].numpy()
# sections.append((flat_mask, f"{section_labels[0]} Mask {i} - Score: {squeezed_sam_scores_tensor[i]}"))
# i += 1
# except IndexError as e:
# print(f"Error processing image: {e}, probably no boxes.")
# return (img, sections)
def process_pdf(pdf):
image = process_pdf_core(pdf)
return segment_image(image)
with gr.Row():
img_input = gr.Image(label="Upload Image", height=400)
img_output = gr.AnnotatedImage(height=400)
section_btn = gr.Button("Identify Solar Panel From Image")
# Choose a random file in input directory
gr.Examples(
inputs = img_input,
# examples = [os.path.join(image_dir, file) for file in random.sample(os.listdir(image_dir), 15)]
examples = [os.path.join(image_dir, file) for file in os.listdir(image_dir)],
)
with gr.Row():
pdf_input = gr.File(label="Upload PDF", file_types=['pdf'], height=200)
pdf_btn = gr.Button("Identify Solar Panel from PDF")
gr.Examples(
inputs = pdf_input,
examples = [os.path.join(pdf_dir, file) for file in os.listdir(pdf_dir)],
)
section_btn.click(segment_image, [img_input], img_output)
pdf_btn.click(process_pdf, [pdf_input], img_output)
#Accept a PDF file, return a jpeg image
@app.post("/uploadPdf", response_class=FileResponse)
def extract_image(uploadFile: UploadFile) -> FileResponse:
file = uploadFile.file.read()
image = process_pdf_core(file)
img_segments, jpeg_image = segment_image_core(image)
id = str(uuid.uuid4())
filename = f"{cropped_dir}/cropped_{id}.jpg"
jpeg_image.save(filename)
return FileResponse(filename)
def parse_pdf_text(file):
pdf = pdfium.PdfDocument(file)
all_text = "PDF Extract Text Contents Below: \n\n"
for page in pdf:
textpage = page.get_textpage()
text_all = textpage.get_text_range()
all_text += text_all
#use openai to ask questions about text
q1 = "What are module dimensions in L x W x H?"
q2 = "What is the module weight in kilograms?"
q3 = "What are the cable lengthes in millimeters?"
q4 = "What brand, name, or model are the connectors?"
q5 = "How many pieces per container? Prefer 40' HQ or HC, if not available try 53'"
q6 = "What is the model number?"
question = PROMPT + q1 + "\n" + q2 + "\n" + q3 + "\n" + q4 + "\n" + q5 + "\n" + q6 + "\n" + all_text
chat_completion = client.chat.completions.create(
messages=[
{
"role": "user",
"content": question,
}
],
model="gpt-3.5-turbo",
)
return chat_completion.choices[0].message.content
#Accept a PDF file, return a text summary
@app.post("/parsePdf")
def parse_info(uploadFile: UploadFile):
file = uploadFile.file.read()
answer = parse_pdf_text(file)
return {"answer": answer}
app = gr.mount_gradio_app(app, demo, path="/")
if __name__ == "__main__":
# app = gr.mount_gradio_app(app, demo, path="/gradio")
uvicorn.run(app, port=7860)
# demo.launch(share=True)
# demo.launch(share=True, auth=(os.environ.get("GRADIO_USERNAME"), os.environ.get("GRADIO_PASSWORD"))) |