Upload handler.py with huggingface_hub
Browse files- handler.py +37 -16
handler.py
CHANGED
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@@ -5,7 +5,7 @@ import torch
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import torch.nn as nn
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import re
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# 1.
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class RMSNorm(nn.Module):
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def __init__(self, dim: int, eps: float = 1e-6):
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super().__init__()
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@@ -25,36 +25,45 @@ def replace_layernorm_with_rmsnorm(module: nn.Module):
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else:
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replace_layernorm_with_rmsnorm(child)
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# 2.
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def fix_arabic_output(text):
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if not text: return text
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prefix_pattern = r'(^|\s)(ال|لل|وال|بال)\s+(?=\S)'
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text = re.sub(prefix_pattern, r'\1\2', text)
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text = re.sub(prefix_pattern, r'\1\2', text)
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return text.strip()
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class EndpointHandler:
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def __init__(self, path=""):
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config = AutoConfig.from_pretrained(path)
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self.model = AutoModelForSeq2SeqLM.from_config(config)
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replace_layernorm_with_rmsnorm(self.model)
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try:
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from safetensors.torch import load_file
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import os
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w_path = os.path.join(path, "model.safetensors")
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if os.path.exists(w_path):
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else:
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#
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self.model
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replace_layernorm_with_rmsnorm(self.model)
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self.tokenizer = AutoTokenizer.from_pretrained(path)
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self.device = "cuda" if torch.cuda.is_available() else "cpu"
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@@ -64,12 +73,24 @@ class EndpointHandler:
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inputs = data.pop("inputs", data)
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if isinstance(inputs, str): inputs = [inputs]
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tokenized_inputs = self.tokenizer(inputs, return_tensors="pt", padding=True).to(self.device)
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with torch.no_grad():
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generated_ids = self.model.generate(
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decoded_outputs = self.tokenizer.batch_decode(generated_ids, skip_special_tokens=True)
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final_outputs = [fix_arabic_output(text) for text in decoded_outputs]
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import torch.nn as nn
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import re
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# 1. Architecture Patch (RMSNorm)
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class RMSNorm(nn.Module):
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def __init__(self, dim: int, eps: float = 1e-6):
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super().__init__()
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else:
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replace_layernorm_with_rmsnorm(child)
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# 2. Glue Logic (Prefixes + Punctuation)
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def fix_arabic_output(text):
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if not text: return text
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# A. Glue Prefixes (Al, Lil, Wa-Al, Bi-Al)
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prefix_pattern = r'(^|\s)(ال|لل|وال|بال)\s+(?=\S)'
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text = re.sub(prefix_pattern, r'\1\2', text)
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text = re.sub(prefix_pattern, r'\1\2', text) # Twice for safety
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# B. Glue Punctuation (Remove space before punctuation)
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punctuation_marks = r'[،؟!.,]'
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text = re.sub(r'\s+(' + punctuation_marks + ')', r'\1', text)
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return text.strip()
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class EndpointHandler:
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def __init__(self, path=""):
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# Load Config & Skeleton
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config = AutoConfig.from_pretrained(path)
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self.model = AutoModelForSeq2SeqLM.from_config(config)
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replace_layernorm_with_rmsnorm(self.model)
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# Load Weights Safely
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try:
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# Try standard load first
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self.model = AutoModelForSeq2SeqLM.from_pretrained(path)
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replace_layernorm_with_rmsnorm(self.model)
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except:
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# Fallback: Load state dict manually with strict=False
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from safetensors.torch import load_file
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import os
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w_path = os.path.join(path, "model.safetensors")
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if os.path.exists(w_path):
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state_dict = load_file(w_path)
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else:
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state_dict = torch.load(os.path.join(path, "pytorch_model.bin"), map_location="cpu")
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# --- SETTING STRICT=FALSE AS REQUESTED ---
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self.model.load_state_dict(state_dict, strict=False)
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self.tokenizer = AutoTokenizer.from_pretrained(path)
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self.device = "cuda" if torch.cuda.is_available() else "cpu"
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inputs = data.pop("inputs", data)
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if isinstance(inputs, str): inputs = [inputs]
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# Tokenize
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tokenized_inputs = self.tokenizer(inputs, return_tensors="pt", padding=True).to(self.device)
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# Remove harmful args
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if "token_type_ids" in tokenized_inputs:
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del tokenized_inputs["token_type_ids"]
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# Generate
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with torch.no_grad():
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generated_ids = self.model.generate(
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**tokenized_inputs,
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max_new_tokens=128,
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num_beams=5,
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early_stopping=True
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)
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# Decode & Fix
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decoded_outputs = self.tokenizer.batch_decode(generated_ids, skip_special_tokens=True)
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final_outputs = [fix_arabic_output(text) for text in decoded_outputs]
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return [{"generated_text": text} for text in final_outputs]
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