Update app.py
Browse files
app.py
CHANGED
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@@ -5,70 +5,84 @@ from llama_cpp import Llama
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from contextlib import asynccontextmanager
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from huggingface_hub import hf_hub_download
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#
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#
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# =========================
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MODEL_REPO = "bartowski/Phi-3.1-mini-4k-instruct-GGUF"
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MODEL_FILE = "Phi-3.1-mini-4k-instruct-IQ2_M.gguf"
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MODEL_PATH = hf_hub_download(
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repo_id=MODEL_REPO,
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filename=MODEL_FILE,
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)
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N_THREADS = int(os.getenv("N_THREADS", "8"))
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N_CTX = int(os.getenv("N_CTX", "2048"))
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N_BATCH = int(os.getenv("N_BATCH", "256"))
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llm = None
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#
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# FASTAPI LIFESPAN
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#
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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global llm
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llm = Llama(
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)
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yield
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#
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# INPUT SCHEMA
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class HumanizeRequest(BaseModel):
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text: str
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section: str # abstract | introduction | methodology | results | discussion
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author_notes: str | None = None
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#
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# SECTION
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#
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SECTION_STYLE = {
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"abstract": "Write concisely
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"introduction": "Use contextual
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"methodology": "Be procedural, precise, and restrained.
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"results": "Be cautious, numerical, and observational.
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"discussion": "Be interpretive, reflective, and analytical."
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}
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#
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# PROMPT BUILDER
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#
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def build_prompt(text: str, section: str, author_notes: str | None):
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style = SECTION_STYLE.get(section.lower(), "Use formal academic tone.")
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notes_block = (
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f"\nAuthor context (do not invent
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if author_notes else ""
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)
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@@ -93,7 +107,7 @@ HUMANIZATION RULES:
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- Reorder clauses where appropriate
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- Avoid overused academic fillers (e.g., "Moreover", "Furthermore", "It is important to note")
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- Prefer implicit transitions over explicit signposting
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- Preserve
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- Use controlled lexical variation without replacing technical terms
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{notes_block}
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@@ -108,9 +122,9 @@ OUTPUT:
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Return ONLY the humanized text.
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""".strip()
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#
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#
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#
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@app.post("/humanize")
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def humanize(req: HumanizeRequest):
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if not req.text.strip():
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@@ -124,8 +138,8 @@ def humanize(req: HumanizeRequest):
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temperature=0.4,
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top_p=0.9,
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repetition_penalty=1.1,
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stop=["<|end|>"]
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)
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from contextlib import asynccontextmanager
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from huggingface_hub import hf_hub_download
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# ==================================================
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# MODEL CONFIGURATION
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# ==================================================
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MODEL_REPO = "bartowski/Phi-3.1-mini-4k-instruct-GGUF"
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MODEL_FILE = "Phi-3.1-mini-4k-instruct-IQ2_M.gguf"
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N_THREADS = int(os.getenv("N_THREADS", "8"))
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N_CTX = int(os.getenv("N_CTX", "2048"))
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N_BATCH = int(os.getenv("N_BATCH", "256"))
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llm = None
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# ==================================================
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# FASTAPI LIFESPAN (MODEL LOAD)
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# ==================================================
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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global llm
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model_path = hf_hub_download(
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repo_id=MODEL_REPO,
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filename=MODEL_FILE,
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)
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llm = Llama(
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model_path=model_path,
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n_ctx=N_CTX,
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n_threads=N_THREADS,
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n_batch=N_BATCH,
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verbose=False,
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)
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yield
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# ==================================================
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# APP INIT
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# ==================================================
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app = FastAPI(
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title="AI Humanizer",
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description="Academic-safe AI Humanizer",
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version="1.0",
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lifespan=lifespan
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)
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# ==================================================
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# DUMMY AUTH VERIFY (Frontend Fix)
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# ==================================================
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@app.get("/api/auth/verify")
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def verify_auth():
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return {"authenticated": True}
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# ==================================================
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# INPUT SCHEMA
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# ==================================================
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class HumanizeRequest(BaseModel):
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text: str
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section: str # abstract | introduction | methodology | results | discussion
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author_notes: str | None = None
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# ==================================================
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# SECTION STYLE MAP
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# ==================================================
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SECTION_STYLE = {
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"abstract": "Write concisely and densely with objective academic tone.",
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"introduction": "Use contextual, motivational academic tone.",
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"methodology": "Be procedural, precise, and restrained.",
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"results": "Be cautious, numerical, and observational.",
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"discussion": "Be interpretive, reflective, and analytical."
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}
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# ==================================================
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# PROMPT BUILDER
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# ==================================================
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def build_prompt(text: str, section: str, author_notes: str | None):
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style = SECTION_STYLE.get(section.lower(), "Use formal academic tone.")
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notes_block = (
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f"\nAuthor context (do not invent reasoning):\n{author_notes}\n"
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if author_notes else ""
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)
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- Reorder clauses where appropriate
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- Avoid overused academic fillers (e.g., "Moreover", "Furthermore", "It is important to note")
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- Prefer implicit transitions over explicit signposting
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- Preserve existing author reasoning and constraints
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- Use controlled lexical variation without replacing technical terms
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{notes_block}
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Return ONLY the humanized text.
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""".strip()
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# ==================================================
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# HUMANIZE ENDPOINT
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# ==================================================
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@app.post("/humanize")
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def humanize(req: HumanizeRequest):
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if not req.text.strip():
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temperature=0.4,
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top_p=0.9,
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repetition_penalty=1.1,
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)
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return {
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"humanized_text": response["choices"][0]["text"].strip()
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}
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