[ruff] Enable FURB rules for code modernization (#9896)

esphome/components/display/__init__.py

@@ -51,8 +51,7 @@ DISPLAY_ROTATIONS = {
 
 def validate_rotation(value):
     value = cv.string(value)
-    if value.endswith("°"):
-        value = value[:-1]
+    value = value.removesuffix("°")
     return cv.enum(DISPLAY_ROTATIONS, int=True)(value)
 
 

esphome/components/logger/__init__.py

@@ -409,7 +409,7 @@ def validate_printf(value):
     [cCdiouxXeEfgGaAnpsSZ]             # type
     )
     """  # noqa
-    matches = re.findall(cfmt, value[CONF_FORMAT], flags=re.X)
+    matches = re.findall(cfmt, value[CONF_FORMAT], flags=re.VERBOSE)
     if len(matches) != len(value[CONF_ARGS]):
         raise cv.Invalid(
             f"Found {len(matches)} printf-patterns ({', '.join(matches)}), but {len(value[CONF_ARGS])} args were given!"

esphome/components/lvgl/helpers.py

@@ -33,7 +33,7 @@ def validate_printf(value):
     [cCdiouxXeEfgGaAnpsSZ]             # type
     )
     """  # noqa
-    matches = re.findall(cfmt, value[CONF_FORMAT], flags=re.X)
+    matches = re.findall(cfmt, value[CONF_FORMAT], flags=re.VERBOSE)
     if len(matches) != len(value[CONF_ARGS]):
         raise cv.Invalid(
             f"Found {len(matches)} printf-patterns ({', '.join(matches)}), but {len(value[CONF_ARGS])} args were given!"

esphome/components/speaker/media_player/__init__.py

@@ -155,8 +155,7 @@ def _read_audio_file_and_type(file_config):
     import puremagic
 
     file_type: str = puremagic.from_string(data)
-    if file_type.startswith("."):
-        file_type = file_type[1:]
+    file_type = file_type.removeprefix(".")
 
     media_file_type = audio.AUDIO_FILE_TYPE_ENUM["NONE"]
     if file_type in ("wav"):

esphome/components/stepper/__init__.py

@@ -27,8 +27,7 @@ SetDecelerationAction = stepper_ns.class_("SetDecelerationAction", automation.Ac
 def validate_acceleration(value):
     value = cv.string(value)
     for suffix in ("steps/s^2", "steps/s*s", "steps/s/s", "steps/ss", "steps/(s*s)"):
-        if value.endswith(suffix):
-            value = value[: -len(suffix)]
+        value = value.removesuffix(suffix)
 
     if value == "inf":
         return 1e6
@@ -48,8 +47,7 @@ def validate_acceleration(value):
 def validate_speed(value):
     value = cv.string(value)
     for suffix in ("steps/s", "steps/s"):
-        if value.endswith(suffix):
-            value = value[: -len(suffix)]
+        value = value.removesuffix(suffix)
 
     if value == "inf":
         return 1e6

esphome/cpp_generator.py

@@ -771,8 +771,7 @@ class MockObj(Expression):
         if attr.startswith("P") and self.op not in ["::", ""]:
             attr = attr[1:]
             next_op = "->"
-        if attr.startswith("_"):
-            attr = attr[1:]
+        attr = attr.removeprefix("_")
         return MockObj(f"{self.base}{self.op}{attr}", next_op)
 
     def __call__(self, *args: SafeExpType) -> "MockObj":

esphome/writer.py

@@ -76,7 +76,7 @@ def get_include_text():
 
 
 def replace_file_content(text, pattern, repl):
-    content_new, count = re.subn(pattern, repl, text, flags=re.M)
+    content_new, count = re.subn(pattern, repl, text, flags=re.MULTILINE)
     return content_new, count
 
 

pyproject.toml

@@ -113,6 +113,7 @@ exclude = ['generated']
 select = [
   "E",    # pycodestyle
   "F",    # pyflakes/autoflake
+  "FURB", # refurb
   "I",    # isort
   "PERF", # performance
   "PL",   # pylint

script/generate-esp32-boards.py

@@ -64,8 +64,10 @@ def main():
         for line in lines:
             if line.startswith("BOARDS = {"):
                 f.write("BOARDS = {\n")
-                for board, info in sorted(boards.items()):
-                    f.write(TEMPLATE % (board, info["name"], info["variant"]))
+                f.writelines(
+                    TEMPLATE % (board, info["name"], info["variant"])
+                    for board, info in sorted(boards.items())
+                )
                 f.write("}\n")
                 break