ruff: enable RUF ruleset

my/arbtt.py

@@ -81,7 +81,7 @@ def entries() -> Iterable[Entry]:
         cmds = [base] # rely on default
     else:
         # otherwise, 'merge' them
-        cmds = [base + ['--logfile', f] for f in inps]
+        cmds = [[*base, '--logfile', f] for f in inps]
 
     import ijson.backends.yajl2_cffi as ijson # type: ignore
     from subprocess import Popen, PIPE

my/bluemaestro.py

@@ -104,7 +104,7 @@ def measurements() -> Iterable[Res[Measurement]]:
                     f'SELECT "{path.name}" as name, Time, Temperature, Humidity, Pressure, Dewpoint FROM data ORDER BY log_index'
                 )
                 oldfmt = True
-                db_dts = list(db.execute('SELECT last_download FROM info'))[0][0]
+                [(db_dts,)] = db.execute('SELECT last_download FROM info')
                 if db_dts == 'N/A':
                     # ??? happens for 20180923-20180928
                     continue
@@ -137,7 +137,7 @@ def measurements() -> Iterable[Res[Measurement]]:
                 processed_tables |= set(log_tables)
 
                 # todo use later?
-                frequencies = [list(db.execute(f'SELECT interval from {t.replace("_log", "_meta")}'))[0][0] for t in log_tables]
+                frequencies = [list(db.execute(f'SELECT interval from {t.replace("_log", "_meta")}'))[0][0] for t in log_tables]  # noqa: RUF015
 
                 # todo could just filter out the older datapoints?? dunno.
 

my/core/__main__.py

@@ -392,7 +392,7 @@ def module_install(*, user: bool, module: Sequence[str], parallel: bool=False, b
         # I think it only helps for pypi artifacts (not git!),
         # and only if they weren't cached
         for r in requirements:
-            cmds.append(pre_cmd + [r])
+            cmds.append([*pre_cmd, r])
     else:
         if parallel:
             warning('parallel install is not supported on this platform, installing sequentially...')

my/core/error.py

@@ -153,7 +153,7 @@ def test_sort_res_by() -> None:
         Exc('last'),
     ]
 
-    results2 = sort_res_by(ress + [0], lambda x: int(x))
+    results2 = sort_res_by([*ress, 0], lambda x: int(x))
     assert results2 == [Exc('last'), 0] + results[:-1]
 
     assert sort_res_by(['caba', 'a', 'aba', 'daba'], key=lambda x: len(x)) == ['a', 'aba', 'caba', 'daba']
@@ -166,7 +166,7 @@ def test_sort_res_by() -> None:
 def set_error_datetime(e: Exception, dt: Optional[datetime]) -> None:
     if dt is None:
         return
-    e.args = e.args + (dt,)
+    e.args = (*e.args, dt)
     # todo not sure if should return new exception?
 
 

my/core/source.py

@@ -61,7 +61,7 @@ def import_source(
                         warnings.warn(f"""If you don't want to use this module, to hide this message, add '{module_name}' to your core config disabled_modules in your config, like:
 
 class core:
-    disabled_modules = [{repr(module_name)}]
+    disabled_modules = [{module_name!r}]
 """)
                     # try to check if this is a config error or based on dependencies not being installed
                     if isinstance(err, (ImportError, AttributeError)):

my/core/structure.py

@@ -67,21 +67,21 @@ def match_structure(
 
     export_dir
     ├── exp_2020
-    │   ├── channel_data
-    │   │   ├── data1
-    │   │   └── data2
-    │   ├── index.json
-    │   ├── messages
-    │   │   └── messages.csv
-    │   └── profile
-    │       └── settings.json
+    │   ├── channel_data
+    │   │   ├── data1
+    │   │   └── data2
+    │   ├── index.json
+    │   ├── messages
+    │   │   └── messages.csv
+    │   └── profile
+    │       └── settings.json
     └── exp_2021
         ├── channel_data
-        │   ├── data1
-        │   └── data2
+        │   ├── data1
+        │   └── data2
         ├── index.json
         ├── messages
-        │   └── messages.csv
+        │   └── messages.csv
         └── profile
             └── settings.json
 

my/core/time.py

@@ -21,7 +21,7 @@ def user_forced() -> Sequence[str]:
 def _abbr_to_timezone_map() -> Dict[str, pytz.BaseTzInfo]:
     # also force UTC to always correspond to utc
     # this makes more sense than Zulu it ends up by default
-    timezones = pytz.all_timezones + ['UTC'] + list(user_forced())
+    timezones = [*pytz.all_timezones, 'UTC', *user_forced()]
 
     res: Dict[str, pytz.BaseTzInfo] = {}
     for tzname in timezones:

my/core/util.py

@@ -74,7 +74,7 @@ def _discover_path_importables(pkg_pth: Path, pkg_name: str) -> Iterable[HPIModu
             continue
 
         rel_pt = pkg_dir_path.relative_to(pkg_pth)
-        pkg_pref = '.'.join((pkg_name, ) + rel_pt.parts)
+        pkg_pref = '.'.join((pkg_name, *rel_pt.parts))
 
         yield from _walk_packages(
             (str(pkg_dir_path), ), prefix=f'{pkg_pref}.',

my/experimental/destructive_parsing.py

@@ -26,7 +26,7 @@ class Helper:
         assert actual == expected, (key, actual, expected)
 
     def zoom(self, key: str) -> 'Helper':
-        return self.manager.helper(item=self.item.pop(key), path=self.path + (key,))
+        return self.manager.helper(item=self.item.pop(key), path=(*self.path, key))
 
 
 def is_empty(x) -> bool:

my/google/takeout/html.py

@@ -122,7 +122,7 @@ class TakeoutHTMLParser(HTMLParser):
     # JamiexxVEVO
     # Jun 21, 2018, 5:48:34 AM
     # Products:
-    #  YouTube
+    #  YouTube
     def handle_data(self, data):
         if self.state == State.OUTSIDE:
             if data[:-1].strip() in ("Watched", "Visited"):

my/location/common.py

@@ -70,7 +70,7 @@ def locations_to_gpx(locations: Iterable[LocationProtocol], buffer: TextIO) -> I
             )
         except AttributeError:
             yield TypeError(
-                f"Expected a Location or Location-like object, got {type(location)} {repr(location)}"
+                f"Expected a Location or Location-like object, got {type(location)} {location!r}"
             )
             continue
         gpx_segment.points.append(point)

my/photos/main.py

@@ -209,7 +209,7 @@ def print_all() -> None:
         if isinstance(p, Exception):
             print('ERROR!', p)
         else:
-            print(f"{str(p.dt):25} {p.path} {p.geo}")
+            print(f"{p.dt!s:25} {p.path} {p.geo}")
 
 # todo cachew -- improve AttributeError: type object 'tuple' has no attribute '__annotations__' -- improve errors?
 # todo cachew -- invalidate if function code changed?

my/polar.py

@@ -27,7 +27,7 @@ class polar(user_config):
     '''
     Polar config is optional, you only need it if you want to specify custom 'polar_dir'
     '''
-    polar_dir: PathIsh = Path('~/.polar').expanduser()
+    polar_dir: PathIsh = Path('~/.polar').expanduser()  # noqa: RUF009
     defensive: bool = True # pass False if you want it to fail faster on errors (useful for debugging)
 
 

my/twitter/android.py

@@ -155,7 +155,7 @@ _SELECT_OWN_TWEETS = '_SELECT_OWN_TWEETS'
 def get_own_user_id(conn) -> str:
     # unclear what's the reliable way to query it, so we use multiple different ones and arbitrate
     # NOTE: 'SELECT DISTINCT ev_owner_id FROM lists' doesn't work, might include lists from other people?
-    res = set()
+    res: Set[str] = set()
     for q in [
         'SELECT DISTINCT list_mapping_user_id FROM list_mapping',
         'SELECT DISTINCT owner_id FROM cursors',
@@ -164,7 +164,8 @@ def get_own_user_id(conn) -> str:
         for (r,) in conn.execute(q):
             res.add(r)
     assert len(res) == 1, res
-    return str(list(res)[0])
+    [r] = res
+    return r
 
 
 # NOTE:

ruff.toml

@@ -6,6 +6,7 @@ lint.extend-select = [
     "C4",  # flake8-comprehensions -- unnecessary list/map/dict calls
     "UP",  # detect deprecated python stdlib stuff
     "FBT", # detect use of boolean arguments
+    "RUF", # various ruff-specific rules
 ]
 
 lint.ignore = [
@@ -38,4 +39,6 @@ lint.ignore = [
     "UP006",  # use type instead of Type
     "UP007",  # use X | Y instead of Union
 ###
+    "RUF100",  # unused noqa -- handle later
+    "RUF012",  # mutable class attrs should be annotated with ClassVar... ugh pretty annoying for user configs
 ]