bpo-36876: [c-analyzer tool] Tighten up the results and output. (GH-23431)

We also update the "ignored" file with a temporary list of all known globals.

Tools/c-analyzer/cpython/__main__.py

@@ -105,7 +105,11 @@ def cmd_parse(filenames=None, **kwargs):
     filenames = _resolve_filenames(filenames)
     if 'get_file_preprocessor' not in kwargs:
         kwargs['get_file_preprocessor'] = _parser.get_preprocessor()
-    c_parser.cmd_parse(filenames, **kwargs)
+    c_parser.cmd_parse(
+        filenames,
+        relroot=REPO_ROOT,
+        **kwargs
+    )
 
 
 def _cli_check(parser, **kwargs):
@@ -131,6 +135,7 @@ def cmd_analyze(filenames=None, **kwargs):
     kwargs['get_file_preprocessor'] = _parser.get_preprocessor(log_err=print)
     c_analyzer.cmd_analyze(
         filenames,
+        relroot=REPO_ROOT,
         _analyze=_analyzer.analyze,
         formats=formats,
         **kwargs

Tools/c-analyzer/cpython/_analyzer.py

@@ -84,13 +84,13 @@ def write_known():
 
 def read_ignored():
     if not _IGNORED:
-        _IGNORED.update(_datafiles.read_ignored(IGNORED_FILE))
+        _IGNORED.update(_datafiles.read_ignored(IGNORED_FILE, relroot=REPO_ROOT))
     return dict(_IGNORED)
 
 
 def write_ignored():
     raise NotImplementedError
-    datafiles.write_ignored(variables, IGNORED_FILE)
+    _datafiles.write_ignored(variables, IGNORED_FILE, relroot=REPO_ROOT)
 
 
 def analyze(filenames, *,

Tools/c-analyzer/cpython/_parser.py

@@ -162,6 +162,12 @@ Modules/_datetimemodule.c	Py_BUILD_CORE	1
 Modules/_ctypes/cfield.c	Py_BUILD_CORE	1
 Modules/_heapqmodule.c	Py_BUILD_CORE	1
 Modules/_posixsubprocess.c	Py_BUILD_CORE	1
+Modules/_sre.c	Py_BUILD_CORE	1
+Modules/_collectionsmodule.c	Py_BUILD_CORE	1
+Modules/_zoneinfo.c	Py_BUILD_CORE	1
+Modules/unicodedata.c	Py_BUILD_CORE	1
+Modules/_cursesmodule.c	Py_BUILD_CORE	1
+Modules/_ctypes/_ctypes.c	Py_BUILD_CORE	1
 Objects/stringlib/codecs.h	Py_BUILD_CORE	1
 Python/ceval_gil.h	Py_BUILD_CORE	1
 Python/condvar.h	Py_BUILD_CORE	1