Files
IPSExtractor/application/estimator.py
T

133 lines
6.1 KiB
Python

"""Estimador de costos y tokens.
Encapsula la lógica de estimación previa al procesamiento.
"""
import os
from typing import List, Dict, Any, Optional, TYPE_CHECKING
if TYPE_CHECKING:
from application.service import InvoiceProcessingService
from application.profiles import get_profile
from application.prompts import PromptBuilder
from application.normalizer import normalize_to_schema
from application.costs import compute_cost_from_usage, sum_costs
from application.file_discovery import get_sorted_radicados, find_file_for_type_in_radicados, get_files_as_radicados
from core.utils import collect_radicado_docs, collect_documents_flat
class Estimator:
def __init__(self, service: 'InvoiceProcessingService'):
self.service = service
def estimate(
self,
root_path: str,
keywords: List[str] | None = None,
schema: Dict[str, str] | None = None,
selected_fields: List[str] | None = None,
*,
doc_types: Optional[List[Dict[str, str]]] = None,
schema_by_type: Optional[Dict[str, Dict[str, str]]] = None,
selected_paths: Optional[List[str]] = None,
structure_mode: str = "radicados",
) -> Dict[str, Any]:
"""Calcula estimado de tokens y costos para toda la carpeta basado en el primer documento."""
if doc_types:
return self._estimate_multidoc(root_path, doc_types, schema_by_type, selected_paths, structure_mode)
return self._estimate_singledoc(root_path, keywords, schema, selected_fields, structure_mode)
def _estimate_multidoc(self, root_path, doc_types, schema_by_type, selected_paths, structure_mode="radicados"):
if structure_mode == "general":
radicados = get_files_as_radicados(root_path)
else:
radicados = get_sorted_radicados(root_path)
if not radicados:
return {"total_docs": 0, "per_doc": {}, "estimated_total": {}}
prof = get_profile('invoice')
first_radicado_found = None
agg_extract_usage = {"prompt_tokens": 0, "completion_tokens": 0, "prompt_tokens_details": {"cached_tokens": 0}}
agg_normalize_usage = {"prompt_tokens": 0, "completion_tokens": 0, "prompt_tokens_details": {"cached_tokens": 0}}
for dt in doc_types:
tname = str(dt.get("name") or "").strip() or "Tipo"
kw = str(dt.get("keyword") or "").strip()
match, rad_used = find_file_for_type_in_radicados(root_path, radicados, kw)
if not match: continue
if first_radicado_found is None:
first_radicado_found = rad_used
sel_all = selected_paths or []
selected_paths_for_type = [p.split('/', 1)[1] for p in sel_all if p.startswith(f"{tname}/")]
sch_t = (schema_by_type or {}).get(tname) or {}
try:
prompt_t = PromptBuilder.build_for_type(tname, selected_paths_for_type, sch_t, profile_name=prof.get('name', 'invoice'))
except Exception:
prompt_t = PromptBuilder.build(selected_paths_for_type, sch_t, profile_name=prof.get('name', 'invoice'))
data, usage_ext = self.service.extract_full_from_pdf(match, instruction=prompt_t)
self._accumulate_usage(agg_extract_usage, usage_ext)
if isinstance(data, dict): data['radicado'] = rad_used
else: data = {"radicado": rad_used, "data": data}
norm = normalize_to_schema(data, paths=selected_paths_for_type, profile_name=prof.get('name', 'invoice'))
if isinstance(norm, dict):
self._accumulate_usage(agg_normalize_usage, norm.get("_usage"))
return self._build_result(agg_extract_usage, agg_normalize_usage, len(radicados), first_radicado_found or radicados[0])
def _estimate_singledoc(self, root_path, keywords, schema, selected_fields, structure_mode="radicados"):
if structure_mode == "general":
entries = collect_documents_flat(root_path, keywords)
else:
entries = collect_radicado_docs(root_path, keywords or [])
if not entries:
return {"total_docs": 0, "per_doc": {}, "estimated_total": {}}
first = entries[0]
prof = get_profile('invoice')
prompt = PromptBuilder.build(selected_fields or [], schema or {})
data, usage_ext = self.service.extract_full_from_pdf(first["path"], instruction=prompt)
if isinstance(data, dict): data['radicado'] = first['radicado']
else: data = {"radicado": first['radicado'], "data": data}
norm = normalize_to_schema(data, paths=selected_fields, profile_name=prof.get('name', 'invoice'))
usage_norm = None
if isinstance(norm, dict):
usage_norm = norm.get("_usage")
return self._build_result(usage_ext, usage_norm, len(entries), first["radicado"])
def _accumulate_usage(self, agg, new_usage):
if not isinstance(new_usage, dict): return
agg["prompt_tokens"] += int(new_usage.get("prompt_tokens") or 0)
agg["completion_tokens"] += int(new_usage.get("completion_tokens") or 0)
details = new_usage.get("prompt_tokens_details") or {}
agg["prompt_tokens_details"]["cached_tokens"] += int(details.get("cached_tokens") or 0)
def _build_result(self, usage_ext, usage_norm, total_docs, first_radicado):
model_ext = getattr(self.service.extractor, "model", None)
cost_ext = compute_cost_from_usage(usage_ext, "extract", model=model_ext)
# El normalizador está hardcodeado a gpt-4.1-mini en normalizer.py
cost_norm = compute_cost_from_usage(usage_norm, "normalize", model="gpt-4.1-mini")
per_doc_cost = sum_costs(cost_ext, cost_norm)
estimated_total = {k: round(v * total_docs, 6) for k, v in per_doc_cost.items()}
return {
"total_docs": total_docs,
"first_radicado": first_radicado,
"extractor_usage": usage_ext,
"normalizer_usage": usage_norm,
"per_doc_cost": per_doc_cost,
"estimated_total_cost": estimated_total,
}