Style changes and parsing unit test

gef.py

@@ -10264,16 +10264,11 @@ def __parse_gdb_info_sections(self) -> Generator[Section, None, None]:
 
     def __parse_info_mem(self) -> Generator[Section, None, None]:
         """Get the memory mapping from GDB's command `monitor info mem`"""
-        stream = StringIO(gdb.execute("monitor info mem", to_string=True))
-        for line in stream:
+        for line in StringIO(gdb.execute("monitor info mem", to_string=True)):
             if not line:
                 break
             try:
-                # FORMAT
-                # ffffff2a65e0b000-ffffff2a65e0c000 0000000000001000 -r-
-                # ^--- start       ^--- end         ^--- offset      ^^^-- perms
-                # `perms` are `urw`, for "usermode", "readable", "writable"
-                ranges, off, perms = line.split(" ")
+                ranges, off, perms = line.split()
                 off = int(off, 16)
                 start, end = [int(s, 16) for s in ranges.split("-")]
             except ValueError as e:

tests/api/misc.py

@@ -41,6 +41,18 @@ def test_func_parse_address(self):
         res = gdb_test_python_method(func)
         self.assertException(res)
 
+    def test_func_parse_maps(self):
+        func = "Permission.from_info_sections(' [10]     0x555555574000->0x55555557401b at 0x00020000: .init ALLOC LOAD READONLY CODE HAS_CONTENTS')"
+        res = gdb_test_python_method(func)
+        self.assertNoException(res)
+
+        func = "Permission.from_process_maps('0x0000555555554000 0x0000555555574000 0x0000000000000000 r-- /usr/bin/bash')"
+        res = gdb_test_python_method(func)
+        self.assertNoException(res)
+
+        func = "Permission.from_info_mem('ffffff2a65e0b000-ffffff2a65e0c000 0000000000001000 -r-')"
+        res = gdb_test_python_method(func)
+        self.assertNoException(res)
 
     @pytest.mark.slow
     @pytest.mark.online