Fix Python 3.13 re DeprecationWarning: pass count and flags by keyword

https://docs.python.org/3/library/re.html:
> Deprecated since version 3.13: Passing count and flags as positional
> arguments is deprecated. In future Python versions they will be
> keyword-only parameters.

python/cpython#56166,
python/cpython#107778,
https://docs.python.org/3/whatsnew/3.13.html#:~:text=gh%2D66543.)-,re%3A,-Deprecate%20passing%20the

Change-Id: Ibda1394927062dd9e0353e2b9d643b510070deb6
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/6298792
Reviewed-by: Leonard Grey <lgrey@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>

Author: markmentovai

build/run_tests.py

@@ -89,8 +89,9 @@ def _BinaryDirTargetOS(binary_dir):
     if os.path.exists(build_ninja_path):
         with open(build_ninja_path) as build_ninja_file:
             build_ninja_content = build_ninja_file.read()
-            match = re.search(r'-linux-android(eabi)?-ar$', build_ninja_content,
-                              re.MULTILINE)
+            match = re.search(r'-linux-android(eabi)?-ar$',
+                              build_ninja_content,
+                              flags=re.MULTILINE)
             if match:
                 return 'android'
 

snapshot/win/end_to_end_test.py

@@ -237,7 +237,7 @@ def __init__(self, cdb_path, dump_path, command):
             [cdb_path, '-z', dump_path, '-c', command + ';q'], text=True)
 
     def Check(self, pattern, message, re_flags=0, must_not_match=False):
-        match_obj = re.search(pattern, self.out, re_flags)
+        match_obj = re.search(pattern, self.out, flags=re_flags)
         if match_obj and not must_not_match:
             # Matched. Consume up to end of match.
             self.out = self.out[match_obj.end(0):]
@@ -263,7 +263,7 @@ def Check(self, pattern, message, re_flags=0, must_not_match=False):
             g_had_failures = True
 
     def Find(self, pattern, re_flags=0):
-        match_obj = re.search(pattern, self.out, re_flags)
+        match_obj = re.search(pattern, self.out, flags=re_flags)
         if match_obj:
             # Matched. Consume up to end of match.
             self.out = self.out[match_obj.end(0):]

util/mach/mig_fix.py

@@ -69,7 +69,7 @@ def _fix_user_implementation(implementation, fixed_implementation, header,
     file = open(implementation, 'r+' if fixed_implementation is None else 'r')
     contents = file.read()
 
-    pattern = re.compile('^(\t} __Reply);$', re.MULTILINE)
+    pattern = re.compile('^(\t} __Reply);$', flags=re.MULTILINE)
     contents = pattern.sub(r'\1 __attribute__((unused));', contents)
 
     if fixed_header is not None:
@@ -112,7 +112,7 @@ def _fix_server_implementation(implementation, fixed_implementation, header,
 
     # Find interesting declarations.
     declaration_pattern = re.compile(
-        '^mig_internal (kern_return_t __MIG_check__.*)$', re.MULTILINE)
+        '^mig_internal (kern_return_t __MIG_check__.*)$', flags=re.MULTILINE)
     declarations = declaration_pattern.findall(contents)
 
     # Remove “__attribute__((__unused__))” from the declarations, and call them