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https://github.com/hansjone/netx.git
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oliver
f49c0b5bad
Set up netx as a standalone git-managed project with isolated Python dependencies, alarm ingestion/query APIs, oclaw bridge integration, and ops-focused UI enhancements including history and raw field access. Co-authored-by: Cursor <cursoragent@cursor.com>
202 lines
7.2 KiB
Python
202 lines
7.2 KiB
Python
from __future__ import annotations
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import json
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from datetime import datetime, timezone
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from io import BytesIO
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from typing import Any
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import pandas as pd
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from sqlalchemy import func, select
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from sqlalchemy.orm import Session
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from .config import settings
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from .models import AlarmBatch, AlarmNorm, ImportErrorRow
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from .parser_config import ParserConfig
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def _dt(v: Any) -> datetime | None:
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if v is None:
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return None
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text = str(v).strip()
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if not text or text.lower() == "nan":
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return None
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parsed = pd.to_datetime(text, errors="coerce")
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if pd.isna(parsed):
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return None
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dt = parsed.to_pydatetime()
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# Convention: Excel source time is local timezone time.
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# Convert to UTC before persisting; keep DB as naive UTC for compatibility.
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if dt.tzinfo is None:
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local_tz = datetime.now().astimezone().tzinfo or timezone.utc
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dt = dt.replace(tzinfo=local_tz)
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else:
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dt = dt.astimezone(timezone.utc)
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return dt.astimezone(timezone.utc).replace(tzinfo=None)
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def _str(v: Any) -> str:
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if v is None:
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return ""
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text = str(v).strip()
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if text.lower() == "nan":
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return ""
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return text
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def _int(v: Any) -> int:
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if v is None:
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return 0
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text = str(v).strip()
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if not text or text.lower() == "nan":
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return 0
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try:
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return int(float(text))
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except Exception:
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return 0
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def import_alarm_excel(db: Session, filename: str, content: bytes, parser: ParserConfig) -> AlarmBatch:
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df = pd.read_excel(BytesIO(content))
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headers = [str(h) for h in df.columns]
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col_alarm_time = parser.resolve_col(headers, "alarm_time")
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col_clear_time = parser.resolve_col(headers, "clear_time")
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col_severity = parser.resolve_col(headers, "severity_raw")
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col_alarm_code = parser.resolve_col(headers, "alarm_code")
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col_ne_name = parser.resolve_col(headers, "ne_name")
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col_ne_id = parser.resolve_col(headers, "ne_id")
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col_site_name = parser.resolve_col(headers, "site_name")
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col_desc = parser.resolve_col(headers, "description")
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col_ack = parser.resolve_col(headers, "ack_state")
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col_state = parser.resolve_col(headers, "clear_state")
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col_relevancy = parser.resolve_col(headers, "relevancy")
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col_l3vpn_peer_ne = parser.resolve_col(headers, "l3vpn_peer_ne")
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col_service = parser.resolve_col(headers, "service")
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col_affected = parser.resolve_col(headers, "affected_client_service_number")
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col_intermittence = parser.resolve_col(headers, "intermittence_count")
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col_me_level = parser.resolve_col(headers, "me_level")
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batch = AlarmBatch(
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source_file=filename,
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parser_version=parser.parser_version,
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dict_version=parser.dict_version,
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total_rows=int(len(df.index)),
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status="processing",
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)
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db.add(batch)
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db.flush()
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success_rows = 0
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failed_rows = 0
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for idx, row in df.iterrows():
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row_no = int(idx) + 2 # Excel header is row 1
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alarm_time = _dt(row.get(col_alarm_time)) if col_alarm_time else None
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raw_severity = _str(row.get(col_severity)) if col_severity else ""
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alarm_code = _str(row.get(col_alarm_code)) if col_alarm_code else ""
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ne_name = _str(row.get(col_ne_name)) if col_ne_name else ""
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ne_id = _str(row.get(col_ne_id)) if col_ne_id else ""
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description = _str(row.get(col_desc)) if col_desc else ""
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relevancy = _str(row.get(col_relevancy)) if col_relevancy else ""
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l3vpn_peer_ne = _str(row.get(col_l3vpn_peer_ne)) if col_l3vpn_peer_ne else ""
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service = _str(row.get(col_service)) if col_service else ""
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affected = _int(row.get(col_affected)) if col_affected else 0
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intermittence = _int(row.get(col_intermittence)) if col_intermittence else 0
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me_level = _str(row.get(col_me_level)) if col_me_level else ""
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if not alarm_time:
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failed_rows += 1
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db.add(
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ImportErrorRow(
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batch_id=batch.batch_id,
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row_no=row_no,
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reason="missing_or_invalid_alarm_time",
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raw_json=json.dumps(row.to_dict(), ensure_ascii=False, default=str),
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)
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)
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continue
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if not (ne_name or ne_id):
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failed_rows += 1
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db.add(
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ImportErrorRow(
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batch_id=batch.batch_id,
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row_no=row_no,
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reason="missing_ne_name_and_ne_id",
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raw_json=json.dumps(row.to_dict(), ensure_ascii=False, default=str),
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)
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)
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continue
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db.add(
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AlarmNorm(
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batch_id=batch.batch_id,
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row_no=row_no,
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alarm_time=alarm_time,
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clear_time=_dt(row.get(col_clear_time)) if col_clear_time else None,
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severity_raw=raw_severity,
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severity_norm=parser.normalize_severity(raw_severity),
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ne_name=ne_name,
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ne_id=ne_id,
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site_name=_str(row.get(col_site_name)) if col_site_name else "",
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alarm_code=alarm_code,
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alarm_name="",
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description=description,
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ack_state=_str(row.get(col_ack)) if col_ack else "",
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clear_state=_str(row.get(col_state)) if col_state else "",
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relevancy=relevancy,
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l3vpn_peer_ne=l3vpn_peer_ne,
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service=service,
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affected_client_service_number=affected,
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intermittence_count=intermittence,
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me_level=me_level,
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vendor=settings.vendor,
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source_type=settings.source_type,
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source_file=filename,
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raw_json=json.dumps(row.to_dict(), ensure_ascii=False, default=str),
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)
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)
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success_rows += 1
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batch.success_rows = success_rows
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batch.failed_rows = failed_rows
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batch.status = "done"
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db.commit()
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db.refresh(batch)
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return batch
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def query_alarms(
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db: Session,
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*,
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batch_id: str | None,
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severity: str | None,
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alarm_code: str | None,
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ne_name: str | None,
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page: int,
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page_size: int,
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) -> tuple[int, list[AlarmNorm]]:
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stmt = select(AlarmNorm)
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if batch_id:
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stmt = stmt.where(AlarmNorm.batch_id == batch_id)
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if severity:
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stmt = stmt.where(AlarmNorm.severity_norm == severity)
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if alarm_code:
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stmt = stmt.where(AlarmNorm.alarm_code.contains(alarm_code))
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if ne_name:
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stmt = stmt.where(AlarmNorm.ne_name.contains(ne_name))
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total = int(db.scalar(select(func.count()).select_from(stmt.subquery())) or 0)
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rows = list(
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db.scalars(
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stmt.order_by(AlarmNorm.alarm_time.desc()).offset((page - 1) * page_size).limit(page_size)
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)
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)
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return total, rows
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def aggregate_alarms(db: Session, *, group_by: str, batch_id: str | None) -> list[tuple[str, int]]:
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if group_by not in {"severity_norm", "alarm_code", "ne_name"}:
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raise ValueError("unsupported_group_by")
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col = getattr(AlarmNorm, group_by)
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stmt = select(col, func.count()).group_by(col).order_by(func.count().desc())
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if batch_id:
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stmt = stmt.where(AlarmNorm.batch_id == batch_id)
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return [(str(key or ""), int(count)) for key, count in db.execute(stmt).all()]
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