style: skip formatting in special cases

src/apps/common/coininfo.py

@@ -45,8 +45,9 @@ class CoinInfo:
             self.sign_hash_double = True
 
 
-# the following list is generated using tools/codegen/gen_coins.py
+# generated using tools/codegen/gen_coins.py
 # do not edit manually!
+# fmt: off
 COINS = [
     CoinInfo(
         coin_name='Bitcoin',

src/apps/common/storage.py

@@ -8,6 +8,7 @@ HOMESCREEN_MAXSIZE = 16384
 
 _STORAGE_VERSION = b'\x01'
 
+# fmt: off
 _APP                = const(0x01)  # app namespace
 _DEVICE_ID          = const(0x00)  # bytes
 _VERSION            = const(0x01)  # int
@@ -22,6 +23,7 @@ _U2F_COUNTER        = const(0x09)  # int
 _PASSPHRASE_SOURCE  = const(0x0A)  # int
 _UNFINISHED_BACKUP  = const(0x0B)  # bool (0x01 or empty)
 _AUTOLOCK_DELAY_MS  = const(0x0C)  # int
+# fmt: on
 
 
 def _new_device_id() -> str:

src/apps/ethereum/networks.py

@@ -1,3 +1,25 @@
+def shortcut_by_chain_id(chain_id, tx_type=None):
+    if tx_type in [1, 6] and chain_id in [1, 3]:
+        return 'WAN'
+    else:
+        n = by_chain_id(chain_id)
+        return n.shortcut if n is not None else 'UNKN'
+
+
+def by_chain_id(chain_id):
+    for n in NETWORKS:
+        if n.chain_id == chain_id:
+            return n
+    return None
+
+
+def by_slip44(slip44):
+    for n in NETWORKS:
+        if n.slip44 == slip44:
+            return n
+    return None
+
+
 class NetworkInfo:
 
     def __init__(
@@ -15,8 +37,9 @@ class NetworkInfo:
         self.rskip60 = rskip60
 
 
-# the following list is generated using tools/codegen/gen_eth_networks.py
+# generated using tools/codegen/gen_eth_networks.py
 # do not edit manually!
+# fmt: off
 NETWORKS = [
     NetworkInfo(
         chain_id=1,
@@ -124,25 +147,3 @@ NETWORKS = [
         rskip60=False,
     ),
 ]
-
-
-def shortcut_by_chain_id(chain_id, tx_type=None):
-    if tx_type in [1, 6] and chain_id in [1, 3]:
-        return 'WAN'
-    else:
-        n = by_chain_id(chain_id)
-        return n.shortcut if n is not None else 'UNKN'
-
-
-def by_chain_id(chain_id):
-    for n in NETWORKS:
-        if n.chain_id == chain_id:
-            return n
-    return None
-
-
-def by_slip44(slip44):
-    for n in NETWORKS:
-        if n.slip44 == slip44:
-            return n
-    return None

src/main.py

@@ -1,3 +1,5 @@
+# isort:skip_file
+
 # unlock the device
 import boot  # noqa: F401
 

src/trezor/ui/__init__.py

@@ -1,35 +1,31 @@
-from micropython import const
-
 import math
 import utime
-
+from micropython import const
 from trezorui import Display
 
-from trezor import io
-from trezor import loop
-from trezor import res
-from trezor import workflow
+from trezor import io, loop, res, workflow
 from trezor.utils import model
 
 display = Display()
 
 # in debug mode, display an indicator in top right corner
 if __debug__:
+
     def debug_display_refresh():
         display.bar(Display.WIDTH - 8, 0, 8, 8, 0xF800)
         display.refresh()
+
     loop.after_step_hook = debug_display_refresh
 
 # in both debug and production, emulator needs to draw the screen explicitly
-elif model() == 'EMU':
+elif model() == "EMU":
     loop.after_step_hook = display.refresh
 
-# import constants from modtrezorui
-
-SIZE = Display.FONT_SIZE
+# re-export constants from modtrezorui
 NORMAL = Display.FONT_NORMAL
 BOLD = Display.FONT_BOLD
 MONO = Display.FONT_MONO
+SIZE = Display.FONT_SIZE
 WIDTH = Display.WIDTH
 HEIGHT = Display.HEIGHT
 
@@ -46,10 +42,12 @@ def blend(ca: int, cb: int, t: float) -> int:
     return rgb(
         lerpi((ca >> 8) & 0xF8, (cb >> 8) & 0xF8, t),
         lerpi((ca >> 3) & 0xFC, (cb >> 3) & 0xFC, t),
-        lerpi((ca << 3) & 0xF8, (cb << 3) & 0xF8, t))
+        lerpi((ca << 3) & 0xF8, (cb << 3) & 0xF8, t),
+    )
 
 
-from trezor.ui.style import *
+# import style definitions
+from trezor.ui.style import *  # isort:skip
 
 
 def contains(area: tuple, pos: tuple) -> bool:
@@ -77,7 +75,7 @@ def pulse(delay: int):
         yield 0.5 + 0.5 * math.sin(utime.ticks_us() / delay)
 
 
-async def alert(count: int=3):
+async def alert(count: int = 3):
     short_sleep = loop.sleep(20000)
     long_sleep = loop.sleep(80000)
     current = display.backlight()
@@ -104,7 +102,7 @@ async def click() -> tuple:
     return pos
 
 
-async def backlight_slide(val: int, delay: int=35000, step: int=20):
+async def backlight_slide(val: int, delay: int = 35000, step: int = 20):
     sleep = loop.sleep(delay)
     current = display.backlight()
     for i in range(current, val, -step if current > val else step):
@@ -129,11 +127,9 @@ def layout(f):
     return inner
 
 
-def header(title: str,
-           icon: bytes=ICON_DEFAULT,
-           fg: int=FG,
-           bg: int=BG,
-           ifg: int=GREEN):
+def header(
+    title: str, icon: bytes = ICON_DEFAULT, fg: int = FG, bg: int = BG, ifg: int = GREEN
+):
     if icon is not None:
         display.icon(14, 15, res.load(icon), ifg, bg)
     display.text(44, 35, title, BOLD, fg, bg)
@@ -143,16 +139,18 @@ VIEWX = const(6)
 VIEWY = const(9)
 
 
-def grid(i: int,
-         n_x: int=3,
-         n_y: int=5,
-         start_x: int=VIEWX,
-         start_y: int=VIEWY,
-         end_x: int=(WIDTH - VIEWX),
-         end_y: int=(HEIGHT - VIEWY),
-         cells_x: int=1,
-         cells_y: int=1,
-         spacing: int=0):
+def grid(
+    i: int,
+    n_x: int = 3,
+    n_y: int = 5,
+    start_x: int = VIEWX,
+    start_y: int = VIEWY,
+    end_x: int = (WIDTH - VIEWX),
+    end_y: int = (HEIGHT - VIEWY),
+    cells_x: int = 1,
+    cells_y: int = 1,
+    spacing: int = 0,
+):
     w = (end_x - start_x) // n_x
     h = (end_y - start_y) // n_y
     x = (i % n_x) * w

src/usb.py

@@ -2,6 +2,8 @@ from trezor import io
 
 from apps.common.storage import get_device_id
 
+# fmt: off
+
 # interface used for trezor wire protocol
 iface_wire = io.WebUSB(
     iface_num=0,