introduce trezor.res module

src/apps/homescreen/layout_homescreen.py

@@ -1,6 +1,7 @@
 from trezor import ui
 from trezor.ui.swipe import Swipe
 from trezor import loop
+from trezor.res import loadres
 
 
 def swipe_to_change_orientation():
@@ -12,11 +13,8 @@ def swipe_to_change_orientation():
 def layout_homescreen():
     print("Homescreen layout!")
 
-    f = open('apps/homescreen/trezor.toig', 'rb')
-
     def func(foreground):
-        f.seek(0)
-        ui.display.icon(0, 0, f.read(), foreground, ui.BLACK)
+        ui.display.icon(0, 0, loadres('apps/homescreen/res/trezor.toig'), foreground, ui.BLACK)
 
     orientation = swipe_to_change_orientation()
     animation = ui.animate_pulse(func, ui.WHITE, ui.GREY, speed=400000)

src/apps/playground/__init__.py

@@ -3,6 +3,7 @@ from trezor import ui
 from trezor import msg
 from trezor.ui.pin import PinDialog, PIN_CONFIRMED, PIN_CANCELLED
 from trezor.utils import unimport_func
+from trezor.res import loadres
 
 
 @unimport_func
@@ -17,14 +18,12 @@ def layout_tap_to_confirm(address, amount, currency):
     # ui.display.text(10, 140, address[:18], ui.MONO, ui.BLACK, ui.WHITE)
     # ui.display.text(10, 160, address[18:], ui.MONO, ui.BLACK, ui.WHITE)
 
-    # f = open('apps/playground/tap_64.toig', 'rb')
     # bg = ui.WHITE
     # style = ui.NORMAL
 
     # def func(fg):
     #     ui.display.text(68, 212, 'TAP TO CONFIRM', style, fg, bg)
-    #     f.seek(0)
-    #     ui.display.icon(3, 170, f.read(), bg, fg)
+    #     ui.display.icon(3, 170, loadres('apps/playground/res/tap_64.toig'), bg, fg)
 
     # animation = ui.animate_pulse(func, ui.BLACK, ui.GREY, speed=200000)
 

src/apps/playground_stick/layout_homescreen.py

@@ -1,7 +1,7 @@
 from trezor import ui
 from trezor import loop
+from trezor.res import loadres
 
-f = open('apps/playground_stick/fingerprint.toig', 'rb')
 c = ui.rgbcolor(0x20, 0x98, 0xD1)
 
 def layout_homescreen():
@@ -12,8 +12,7 @@ def layout_homescreen():
     p = 0
 
     def func(foreground):
-        f.seek(0)
-        ui.display.loader(p, c, 0, f.read(), foreground)
+        ui.display.loader(p, c, 0, loadres('apps/playground_stick/res/fingerprint.toig'), foreground)
         p = (p + 10) % 1000
 
     animation = ui.animate_pulse(func, ui.WHITE, ui.GREY, speed=400000)

src/trezor/res/__init__.py

@@ -0,0 +1,3 @@
+def loadres(name):
+    with open(name, 'rb') as f:
+        return f.read()