[~] Refactor

dotfiles/.local/bin/commands

@@ -23,7 +23,7 @@ import tempfile
 import time
 import traceback
 
-from typing import (Literal, Optional, TypedDict, Callable, Generator, TypeAlias,)
+from typing import (Literal, Optional, TypedDict, Callable, Generator, TypeAlias, Any,)
 
 
 logger = logging.getLogger(__name__)
@@ -258,8 +258,8 @@ def memory_stats() -> memory_stats_t.res_t:
         raise NotImplementedError
 
 def chrome(
-    argv
-):
+    argv: list[str]
+) -> int:
     assert isinstance(argv, list) and all([isinstance(o, str) for o in argv])
     parser = optparse.OptionParser()
     parser.add_option(
@@ -281,7 +281,7 @@ def chrome(
     #assert os.path.exists(options.user_data_dir)
 
     if sys.platform == 'linux':
-        subprocess.check_call([
+        return subprocess.check_call([
             'google-chrome-stable',
             '--enable-features=useOzonePlatform',
             '--ozone-platform=wayland',
@@ -292,7 +292,7 @@ def chrome(
     else:
         raise NotImplementedError
 
-def eternal_oom(argv):
+def eternal_oom(argv: list[str]) -> None:
     import signal
     import re
     import time
@@ -412,12 +412,15 @@ def eternal_oom(argv):
                 )
         return
 
+    cpu_count = os.cpu_count()
+    assert isinstance(cpu_count, int)
+
     if options.period is None:
         options.period = 1
     if options.memory_limit is None:
         options.memory_limit = 3 * 1024 * 1024
     if options.cpu_limit is None:
-        options.cpu_limit = 0.6 * os.cpu_count()
+        options.cpu_limit = 0.6 * cpu_count
     if options.cpu_wait is None:
         options.cpu_wait = 10
     if options.mean_size is None:
@@ -431,24 +434,40 @@ def eternal_oom(argv):
         and options.memory_limit > 512 * 1024
 
     assert isinstance(options.cpu_limit, float) \
-        and options.cpu_limit > 0.2 * os.cpu_count() and \
-            options.cpu_limit < os.cpu_count() * 0.95
+        and options.cpu_limit > 0.2 * cpu_count and \
+            options.cpu_limit < cpu_count * 0.95
 
     assert options.period >= 1
 
     assert options.cpu_wait >= 10
     assert options.mean_size >= 16
 
-    def pandas_data_frame(lines, groups_regex, header_regex, extra_columns):
-        header = re.compile(header_regex).search(lines[0]).groups()
-        rows = [
-            re.compile(groups_regex).search(row).groups()
-            for row in lines[1:]
-        ]
-        columns = {
+    def pandas_data_frame(
+        lines: list[str],
+        groups_regex: re.Pattern[str],
+        header_regex: re.Pattern[str],
+        extra_columns: dict[
+            str,
+            Callable[
+                [dict[str, str]],
+                Any
+            ]
+        ],
+    ) -> dict[str, list[Any]]:
+        header_match = re.compile(header_regex).search(lines[0])
+        assert not header_match is None
+        header = header_match.groups()
+        rows = []
+        for line in lines[1:]:
+            row_match = re.compile(groups_regex).search(line)
+            assert not row_match is None
+            rows.append(row_match.groups())
+
+        columns: dict[str, list[Any]] = {
             column: []
             for column in header
         }
+
         for row in rows:
             for value, column in zip(row, header):
                 columns[column].append(value)