[xcl-lens] Move instance members to class members

projects/xcl-lens/src/xcl_lens/parser/rccl.py

 import re
+from typing import Final
 
 import pandas as pd
 
 
 class RcclLogParser:
+    # Pattern -> output string or as-is
+    sys_patterns: Final = {
+        r"kernel version": None,
+        r"ROCr version": None,
+        r"RCCL version": None,
+        r"Librccl path": None,
+        r"iommu": None,
+        r"Dmabuf feature disabled": "Dmabuf: disabled",
+        r"Disabled GDRCopy": "GDRCopy: disabled",
+        r"Using network IB": "NET/IB: enabled",
+        r"NET/Plugin: Could not find: librccl-net.so": "NET/Plugin: internal",
+    }
+
+    # Pattern -> column with strict validation
+    graph_info_fields: Final = {
+        r"Pattern": ("Pattern", r"\d+"),
+        r"crossNic": ("crossNic", r"\d+"),
+        r"nChannels": ("nChannels", r"\d+"),
+        r"bw": ("bandwidth", r"[\d.]+/[\d.]+"),
+        r"type": ("type", r"[\w/]+"),
+        r"sameChannels": ("sameChannels", r"\d+"),
+    }
+
+    # Pattern -> column with strict validation
+    cl_transfer_fields: Final = {
+        r"protocol": ("protocol", r"Simple|LL|LL128"),
+        r"nbytes": ("nbytes", r"\d+"),
+        r"algorithm": ("algorithm", r"Tree|Ring"),
+        r"slicesteps": ("slicesteps", r"\d+"),
+        r"nchannels": ("nchannels", r"\d+"),
+        r"nloops": ("nloops", r"\d+"),
+        r"nsteps": ("nsteps", r"\d+"),
+        r"chunksize": ("chunksize", r"\d+"),
+    }
+
+    # Pattern -> column with strict validation
+    p2p_fields: Final = {
+        r"p2p : rank": ("local", r"\d+"),
+        r"send rank": ("send", r"\d+"),
+        r"recv rank": ("recv", r"\d+"),
+        r"p2pnChannelsPerPeer": ("p2pnChannelsPerPeer", r"\d+"),
+        r"p2pnChannels": ("p2pnChannels", r"\d+"),
+        r"nChannelsMax": ("nChannelsMax", r"\d+"),
+        r"protocol": ("protocol", r"Simple|LL|LL128"),
+    }
+
     def __init__(self, verbose=False, hosts=None, ranks=None):
         # Deduplicated set of (host, rank, content) tuples
         self.log_entries: set[tuple[str, int, str]] = set()
@@ -15,52 +62,6 @@ class RcclLogParser:
         self._hosts = hosts if hosts is not None else []
         self._ranks = [int(r) for r in ranks] if ranks is not None else []
 
-        # Pattern -> output string or as-is
-        self.sys_patterns = {
-            r"kernel version": None,
-            r"ROCr version": None,
-            r"RCCL version": None,
-            r"Librccl path": None,
-            r"iommu": None,
-            r"Dmabuf feature disabled": "Dmabuf: disabled",
-            r"Disabled GDRCopy": "GDRCopy: disabled",
-            r"Using network IB": "NET/IB: enabled",
-            r"NET/Plugin: Could not find: librccl-net.so": "NET/Plugin: internal",
-        }
-
-        # Pattern -> column with strict validation
-        self.graph_info_fields = {
-            r"Pattern": ("Pattern", r"\d+"),
-            r"crossNic": ("crossNic", r"\d+"),
-            r"nChannels": ("nChannels", r"\d+"),
-            r"bw": ("bandwidth", r"[\d.]+/[\d.]+"),
-            r"type": ("type", r"[\w/]+"),
-            r"sameChannels": ("sameChannels", r"\d+"),
-        }
-
-        # Pattern -> column with strict validation
-        self.cl_transfer_fields = {
-            r"protocol": ("protocol", r"Simple|LL|LL128"),
-            r"nbytes": ("nbytes", r"\d+"),
-            r"algorithm": ("algorithm", r"Tree|Ring"),
-            r"slicesteps": ("slicesteps", r"\d+"),
-            r"nchannels": ("nchannels", r"\d+"),
-            r"nloops": ("nloops", r"\d+"),
-            r"nsteps": ("nsteps", r"\d+"),
-            r"chunksize": ("chunksize", r"\d+"),
-        }
-
-        # Pattern -> column with strict validation
-        self.p2p_fields = {
-            r"p2p : rank": ("local", r"\d+"),
-            r"send rank": ("send", r"\d+"),
-            r"recv rank": ("recv", r"\d+"),
-            r"p2pnChannelsPerPeer": ("p2pnChannelsPerPeer", r"\d+"),
-            r"p2pnChannels": ("p2pnChannels", r"\d+"),
-            r"nChannelsMax": ("nChannelsMax", r"\d+"),
-            r"protocol": ("protocol", r"Simple|LL|LL128"),
-        }
-
     def collect(self, line):
         self._preprocess_line(line)