Fix pre-commit messages

Author: jepler

adafruit_floppy.py

@@ -137,7 +137,9 @@ def _check_inpos(self) -> None:
         drive_says_track0 = not self._track0.value
         we_think_track0 = track == 0
         if drive_says_track0 != we_think_track0:
-            raise RuntimeError(f"Drive lost position (target={track}, track0 sensor {drive_says_track0})")
+            raise RuntimeError(
+                f"Drive lost position (target={track}, track0 sensor {drive_says_track0})"
+            )
 
     @property
     def track(self) -> typing.Optional[int]:
@@ -217,7 +219,7 @@ def flux_readinto(self, buf: "circuitpython_typing.WritableBuffer") -> int:
         return floppyio.flux_readinto(buf, self._rddata, self._index)
 
 
-class FloppyBlockDevice:
+class FloppyBlockDevice:  # pylint: disable=too-many-instance-attributes
     """Wrap an MFMFloppy object into a block device suitable for `storage.VfsFat`
 
     The default heads/sectors/tracks setting are for 3.5", 1.44MB floppies.
@@ -238,12 +240,20 @@ class FloppyBlockDevice:
         print(os.listdir("/floppy"))
     """
 
-    def __init__(self, floppy, heads=2, sectors=18, tracks=80, flux_buffer=None, t1_nom_ns: float=1000):
+    def __init__(  # pylint: disable=too-many-arguments
+        self,
+        floppy,
+        heads=2,
+        sectors=18,
+        tracks=80,
+        flux_buffer=None,
+        t1_nom_ns: float = 1000,
+    ):
         self.floppy = floppy
         self.heads = heads
         self.sectors = sectors
         self.tracks = tracks
-        self.flux_buffer = flux_buffer or buffer(sectors * 12 * 512)
+        self.flux_buffer = flux_buffer or bytearray(sectors * 12 * 512)
         self.track0side0_cache = memoryview(bytearray(sectors * 512))
         self.track0side0_validity = bytearray(sectors)
         self.track_cache = memoryview(bytearray(sectors * 512))
@@ -257,7 +267,6 @@ def __init__(self, floppy, heads=2, sectors=18, tracks=80, flux_buffer=None, t1_
         self.cached_track = -1
         self.cached_side = -1
 
-
     def deinit(self):
         """Deinitialize this object"""
         self.floppy.deinit()
@@ -316,5 +325,13 @@ def _mfm_readinto(self, track_data, validity):
         for i in range(5):
             self.floppy.flux_readinto(self.flux_buffer)
             print("timing bins", self._t2_5_max, self._t3_5_max)
-            n = floppyio.mfm_readinto(track_data, self.flux_buffer, self._t2_5_max, self._t3_5_max, validity, i==0)
-            if n == self.sectors: break
+            n = floppyio.mfm_readinto(
+                track_data,
+                self.flux_buffer,
+                self._t2_5_max,
+                self._t3_5_max,
+                validity,
+                i == 0,
+            )
+            if n == self.sectors:
+                break

examples/floppy_vfs.py

@@ -10,6 +10,7 @@
 # memory fragmentation
 flux_buffer = bytearray(110000)
 
+# pylint: disable=wrong-import-position
 import os
 import storage
 import board
@@ -22,7 +23,7 @@
 ST_TIME = 7
 SV_BFREE = 3
 
-if hasattr(board, 'DENSITY'): # floppsy
+if hasattr(board, "DENSITY"):  # floppsy
     floppy = adafruit_floppy.Floppy(
         densitypin=board.DENSITY,
         indexpin=board.INDEX,
@@ -39,6 +40,9 @@
     )
 
 else:
+    D24 = getattr(board, "D24") or getattr(board, "A4")
+    D25 = getattr(board, "D25") or getattr(board, "A5")
+
     floppy = adafruit_floppy.Floppy(
         densitypin=board.A1,
         indexpin=D25,
@@ -51,17 +55,12 @@
         rddatapin=board.D9,
         sidepin=board.D6,
         readypin=board.D5,
-        flux_buffer=flux_buffer
+        flux_buffer=flux_buffer,
     )
 
 floppy.find_track0()
-print(sum(floppy._index.value for _ in range(100_000)))
-print(floppy.flux_readinto(flux_buffer))
-print(sum(flux_buffer))
 
-f = adafruit_floppy.FloppyBlockDevice(floppy, sectors=18,
-        flux_buffer=flux_buffer
-        )
+f = adafruit_floppy.FloppyBlockDevice(floppy, sectors=18, flux_buffer=flux_buffer)
 
 vfs = storage.VfsFat(f)
 storage.mount(vfs, "/floppy")