Add multi-command collect with FSM-first if-intf aux and batch cache.

ARP binds show running-config if-intf to enrich vrf; identical aux commands reuse session cache.

Co-authored-by: Cursor <cursoragent@cursor.com>

netx_api/biz_state/parsers/zte/if_intf.py

@@ -0,0 +1,113 @@
+"""ZTE: show running-config if-intf → interface / VRF map.
+
+Pipeline: TextFSM ``zte_zxros_show_running_config_if_intf`` first; hand fallback.
+"""
+
+from __future__ import annotations
+
+import re
+from typing import Any, Mapping
+
+from ....lldp_shared import resolve_vendor_key
+from ....ntc_parse import apply_rules, resolve_cli_platform, row_get
+from ..common.pipeline import prefer_fsm
+
+RULE_KEYS = ("zte_zxros_show_running_config_if_intf",)
+
+_IFACE_RE = re.compile(r"^\s*interface\s+(\S+)\s*$", re.I)
+_VRF_RE = re.compile(r"^\s*ip\s+vrf\s+forwarding\s+(\S+)\s*$", re.I)
+
+
+def _map_fsm_rows(rows: list[dict[str, Any]]) -> list[dict[str, Any]]:
+    out: list[dict[str, Any]] = []
+    seen: set[str] = set()
+    for r in rows:
+        iface = row_get(r, "INTERFACE", "interface")
+        vrf = row_get(r, "VRF", "vrf")
+        if not iface or not vrf or iface in seen:
+            continue
+        seen.add(iface)
+        out.append({"interface": iface[:128], "vrf": vrf[:128]})
+    return out
+
+
+def _hand_parse(*, raw_text: str, **_kw: Any) -> list[dict[str, Any]]:
+    out: list[dict[str, Any]] = []
+    seen: set[str] = set()
+    cur = ""
+    cur_vrf = ""
+    for raw in str(raw_text or "").splitlines():
+        line = raw.rstrip()
+        m_if = _IFACE_RE.match(line)
+        if m_if:
+            if cur and cur_vrf and cur not in seen:
+                seen.add(cur)
+                out.append({"interface": cur[:128], "vrf": cur_vrf[:128]})
+            cur = m_if.group(1).strip()
+            cur_vrf = ""
+            continue
+        if line.strip() == "$":
+            if cur and cur_vrf and cur not in seen:
+                seen.add(cur)
+                out.append({"interface": cur[:128], "vrf": cur_vrf[:128]})
+            cur = ""
+            cur_vrf = ""
+            continue
+        m_vrf = _VRF_RE.match(line)
+        if m_vrf and cur:
+            cur_vrf = m_vrf.group(1).strip()
+    if cur and cur_vrf and cur not in seen:
+        out.append({"interface": cur[:128], "vrf": cur_vrf[:128]})
+    return out
+
+
+def parse_if_intf_vrf_map(raw_text: str = "", *, rows: list[dict[str, Any]] | None = None) -> dict[str, str]:
+    """Build interface → vrf from metric rows or raw if-intf text."""
+    if rows is None:
+        rows = _hand_parse(raw_text=raw_text)
+    out: dict[str, str] = {}
+    for r in rows or []:
+        iface = str((r or {}).get("interface") or "").strip()
+        vrf = str((r or {}).get("vrf") or "").strip()
+        if iface and vrf:
+            out[iface] = vrf
+    return out
+
+
+def normalize_if_intf(
+    *,
+    raw_text: str,
+    fsm_tables: Mapping[str, list[dict[str, Any]]] | None = None,
+    vendor: str = "",
+    device_type: str = "",
+    command: str = "",
+    params: dict[str, str] | None = None,
+    raws: Mapping[str, str] | None = None,
+    aux_records: Mapping[str, list[dict[str, Any]]] | None = None,
+) -> list[dict[str, Any]]:
+    _ = (params, raws, aux_records)
+    tables = dict(fsm_tables or {})
+    if not any(tables.get(k) for k in RULE_KEYS):
+        platform = resolve_cli_platform(
+            vendor=vendor,
+            device_type=device_type,
+            vendor_key=resolve_vendor_key(vendor, device_type),
+        )
+        cmd = str(command or "show running-config if-intf").strip()
+        if platform:
+            tables = apply_rules(
+                platform=platform, text=raw_text, rule_keys=RULE_KEYS, command=cmd
+            )
+    return prefer_fsm(
+        tables,
+        RULE_KEYS,
+        _map_fsm_rows,
+        _hand_parse,
+        raw_text=raw_text,
+        vendor=vendor,
+        device_type=device_type,
+        command=command,
+    )
+
+
+normalize_if_intf.RULE_KEYS = RULE_KEYS