misc: Add multi_regex_edit()

Signed-off-by: Jan Lindemann <jan@janware.com>

tools/python/jwutils/misc.py

@@ -114,6 +114,38 @@ def commit_tmpfile(tmp: str, path: str) -> None: # export
         log.slog(log.NOTICE, "saving {}".format(path), caller=caller)
         os.rename(path + '.tmp', path)
 
+def multi_regex_edit(spec, strings): # export
+    for cmd in spec:
+        if len(cmd) < 2:
+            raise Exception('Invalid command in multi_regex_edit(): {}'.format(str(cmd)))
+        if cmd[0] == 'sub':
+            rx = re.compile(cmd[1])
+            replacement = cmd[2]
+            r = []
+            for l in strings:
+                r.append(re.sub(rx, replacement, l))
+            strings = r
+            continue
+        if cmd[0] == 'del':
+            rx = re.compile(cmd[1])
+            r = []
+            for l in strings:
+                if rx.search(l) is not None:
+                    continue
+                r.append(l)
+            strings = r
+            continue
+        if cmd[0] == 'match':
+            rx = re.compile(cmd[1])
+            r = []
+            for l in strings:
+                if rx.search(l) is not None:
+                    r.append(l)
+            strings = r
+            continue
+        raise Exception('Invalid command in multi_regex_edit(): {}'.format(str(cmd)))
+    return strings
+
 def dump(prio: int, objects: Iterable, *args, **kwargs) -> None: # export
     caller = log.get_caller_pos(kwargs=kwargs)
     log.slog(prio, ",---------- {}".format(' '.join(args)), caller=caller)