321 lines
10 KiB
Python
321 lines
10 KiB
Python
import asyncio
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import os
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import re
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from config import env_setup
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env_setup.setup_environment()
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import time
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import numpy as np
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from config.model_settings import CROP_MODE, INPUT_PATH, MODEL_PATH, OUTPUT_PATH, PROMPT
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from PIL import Image, ImageDraw, ImageFont, ImageOps
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from process.image_process import DeepseekOCRProcessor
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from process.ngram_norepeat import NoRepeatNGramLogitsProcessor
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from tqdm import tqdm
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from vllm import AsyncLLMEngine, SamplingParams
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from vllm.engine.arg_utils import AsyncEngineArgs
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from vllm.model_executor.models.registry import ModelRegistry
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from deepseek_ocr import DeepseekOCRForCausalLM
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ModelRegistry.register_model("DeepseekOCRForCausalLM", DeepseekOCRForCausalLM)
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def load_image(image_path):
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try:
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image = Image.open(image_path)
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corrected_image = ImageOps.exif_transpose(image)
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return corrected_image
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except Exception as e:
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print(f"error: {e}")
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try:
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return Image.open(image_path)
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except:
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return None
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def re_match(text):
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pattern = r"(<\|ref\|>(.*?)<\|/ref\|><\|det\|>(.*?)<\|/det\|>)"
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matches = re.findall(pattern, text, re.DOTALL)
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mathes_image = []
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mathes_other = []
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for a_match in matches:
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if "<|ref|>image<|/ref|>" in a_match[0]:
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mathes_image.append(a_match[0])
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else:
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mathes_other.append(a_match[0])
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return matches, mathes_image, mathes_other
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def extract_coordinates_and_label(ref_text, image_width, image_height):
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try:
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label_type = ref_text[1]
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cor_list = eval(ref_text[2])
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except Exception as e:
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print(e)
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return None
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return (label_type, cor_list)
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def draw_bounding_boxes(image, refs):
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image_width, image_height = image.size
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img_draw = image.copy()
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draw = ImageDraw.Draw(img_draw)
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overlay = Image.new("RGBA", img_draw.size, (0, 0, 0, 0))
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draw2 = ImageDraw.Draw(overlay)
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# except IOError:
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font = ImageFont.load_default()
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img_idx = 0
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for i, ref in enumerate(refs):
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try:
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result = extract_coordinates_and_label(ref, image_width, image_height)
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if result:
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label_type, points_list = result
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color = (
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np.random.randint(0, 200),
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np.random.randint(0, 200),
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np.random.randint(0, 255),
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)
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color_a = color + (20,)
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for points in points_list:
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x1, y1, x2, y2 = points
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x1 = int(x1 / 999 * image_width)
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y1 = int(y1 / 999 * image_height)
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x2 = int(x2 / 999 * image_width)
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y2 = int(y2 / 999 * image_height)
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if label_type == "image":
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try:
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cropped = image.crop((x1, y1, x2, y2))
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cropped.save(f"{OUTPUT_PATH}/images/{img_idx}.jpg")
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except Exception as e:
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print(e)
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pass
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img_idx += 1
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try:
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if label_type == "title":
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draw.rectangle([x1, y1, x2, y2], outline=color, width=4)
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draw2.rectangle(
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[x1, y1, x2, y2],
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fill=color_a,
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outline=(0, 0, 0, 0),
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width=1,
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)
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else:
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draw.rectangle([x1, y1, x2, y2], outline=color, width=2)
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draw2.rectangle(
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[x1, y1, x2, y2],
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fill=color_a,
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outline=(0, 0, 0, 0),
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width=1,
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)
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text_x = x1
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text_y = max(0, y1 - 15)
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text_bbox = draw.textbbox((0, 0), label_type, font=font)
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text_width = text_bbox[2] - text_bbox[0]
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text_height = text_bbox[3] - text_bbox[1]
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draw.rectangle(
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[text_x, text_y, text_x + text_width, text_y + text_height],
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fill=(255, 255, 255, 30),
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)
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draw.text((text_x, text_y), label_type, font=font, fill=color)
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except:
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pass
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except:
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continue
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img_draw.paste(overlay, (0, 0), overlay)
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return img_draw
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def process_image_with_refs(image, ref_texts):
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result_image = draw_bounding_boxes(image, ref_texts)
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return result_image
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async def stream_generate(image=None, prompt=""):
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engine_args = AsyncEngineArgs(
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model=MODEL_PATH,
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hf_overrides={"architectures": ["DeepseekOCRForCausalLM"]},
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block_size=256,
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max_model_len=8192,
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enforce_eager=False,
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trust_remote_code=True,
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tensor_parallel_size=1,
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gpu_memory_utilization=0.75,
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)
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engine = AsyncLLMEngine.from_engine_args(engine_args)
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logits_processors = [
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NoRepeatNGramLogitsProcessor(
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ngram_size=30, window_size=90, whitelist_token_ids={128821, 128822}
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)
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] # whitelist: <td>, </td>
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sampling_params = SamplingParams(
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temperature=0.0,
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max_tokens=8192,
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logits_processors=logits_processors,
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skip_special_tokens=False,
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# ignore_eos=False,
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)
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request_id = f"request-{int(time.time())}"
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printed_length = 0
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if image and "<image>" in prompt:
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request = {"prompt": prompt, "multi_modal_data": {"image": image}}
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elif prompt:
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request = {"prompt": prompt}
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else:
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assert False, "prompt is none!!!"
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async for request_output in engine.generate(request, sampling_params, request_id):
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if request_output.outputs:
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full_text = request_output.outputs[0].text
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new_text = full_text[printed_length:]
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print(new_text, end="", flush=True)
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printed_length = len(full_text)
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final_output = full_text
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print("\n")
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return final_output
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if __name__ == "__main__":
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os.makedirs(OUTPUT_PATH, exist_ok=True)
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os.makedirs(f"{OUTPUT_PATH}/images", exist_ok=True)
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image = load_image(INPUT_PATH).convert("RGB")
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if "<image>" in PROMPT:
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image_features = DeepseekOCRProcessor().tokenize_with_images(
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images=[image], bos=True, eos=True, cropping=CROP_MODE
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)
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else:
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image_features = ""
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prompt = PROMPT
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result_out = asyncio.run(stream_generate(image_features, prompt))
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save_results = 1
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if save_results and "<image>" in prompt:
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print("=" * 15 + "save results:" + "=" * 15)
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image_draw = image.copy()
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outputs = result_out
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with open(f"{OUTPUT_PATH}/result_ori.mmd", "w", encoding="utf-8") as afile:
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afile.write(outputs)
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matches_ref, matches_images, mathes_other = re_match(outputs)
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# print(matches_ref)
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result = process_image_with_refs(image_draw, matches_ref)
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for idx, a_match_image in enumerate(tqdm(matches_images, desc="image")):
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outputs = outputs.replace(
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a_match_image, "![](images/" + str(idx) + ".jpg)\n"
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)
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for idx, a_match_other in enumerate(tqdm(mathes_other, desc="other")):
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outputs = (
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outputs.replace(a_match_other, "")
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.replace("\\coloneqq", ":=")
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.replace("\\eqqcolon", "=:")
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)
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# if 'structural formula' in conversation[0]['content']:
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# outputs = '<smiles>' + outputs + '</smiles>'
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with open(f"{OUTPUT_PATH}/result.mmd", "w", encoding="utf-8") as afile:
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afile.write(outputs)
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if "line_type" in outputs:
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import matplotlib.pyplot as plt
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from matplotlib.patches import Circle
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lines = eval(outputs)["Line"]["line"]
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line_type = eval(outputs)["Line"]["line_type"]
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# print(lines)
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endpoints = eval(outputs)["Line"]["line_endpoint"]
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fig, ax = plt.subplots(figsize=(3, 3), dpi=200)
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ax.set_xlim(-15, 15)
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ax.set_ylim(-15, 15)
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for idx, line in enumerate(lines):
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try:
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p0 = eval(line.split(" -- ")[0])
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p1 = eval(line.split(" -- ")[-1])
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if line_type[idx] == "--":
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ax.plot(
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[p0[0], p1[0]], [p0[1], p1[1]], linewidth=0.8, color="k"
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)
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else:
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ax.plot(
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[p0[0], p1[0]], [p0[1], p1[1]], linewidth=0.8, color="k"
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)
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ax.scatter(p0[0], p0[1], s=5, color="k")
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ax.scatter(p1[0], p1[1], s=5, color="k")
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except:
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pass
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for endpoint in endpoints:
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label = endpoint.split(": ")[0]
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(x, y) = eval(endpoint.split(": ")[1])
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ax.annotate(
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label,
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(x, y),
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xytext=(1, 1),
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textcoords="offset points",
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fontsize=5,
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fontweight="light",
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)
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try:
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if "Circle" in eval(outputs).keys():
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circle_centers = eval(outputs)["Circle"]["circle_center"]
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radius = eval(outputs)["Circle"]["radius"]
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for center, r in zip(circle_centers, radius):
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center = eval(center.split(": ")[1])
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circle = Circle(
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center,
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radius=r,
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fill=False,
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edgecolor="black",
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linewidth=0.8,
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)
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ax.add_patch(circle)
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except:
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pass
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plt.savefig(f"{OUTPUT_PATH}/geo.jpg")
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plt.close()
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result.save(f"{OUTPUT_PATH}/result_with_boxes.jpg")
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