wasp: Manager: Rewrite the startup logic
Reduce the number of applications imported by the manager and alter the way applications are initially registered to allow main.py complete control over the initial applications (but only if it wants it). Signed-off-by: Daniel Thompson <daniel@redfelineninja.org.uk>
This commit is contained in:
Daniel Thompson
parent
e169dbf61a
commit
b59a5b1d37
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@ -13,6 +13,7 @@ wasp.system.step = step
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wasp.watch.touch.press = wasp.watch.touch.i2c.sim.press
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wasp.watch.touch.swipe = wasp.watch.touch.i2c.sim.swipe
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wasp.system.secondary_init()
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wasp.system.apps = {}
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for app in wasp.system.quick_ring + wasp.system.launcher_ring:
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wasp.system.apps[app.NAME] = app
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94
wasp/wasp.py
94
wasp/wasp.py
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@ -22,15 +22,9 @@ import sys
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import watch
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import widgets
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from apps.clock import ClockApp
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from apps.faces import FacesApp
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from apps.heart import HeartApp
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from apps.launcher import LauncherApp
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from apps.pager import PagerApp, CrashApp, NotificationApp
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from apps.settings import SettingsApp
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from apps.steps import StepCounterApp
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from apps.software import SoftwareApp
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from apps.stopwatch import StopwatchApp
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class EventType():
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"""Enumerated interface actions.
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@ -149,39 +143,62 @@ class Manager():
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self._scheduled = False
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self._scheduling = False
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# TODO: Eventually these should move to main.py
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for app, qr in ( (ClockApp, True),
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(StepCounterApp, True),
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(StopwatchApp, True),
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(HeartApp, True),
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(FacesApp, False),
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(SettingsApp, False),
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(SoftwareApp, False),
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):
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try:
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a = app()
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def secondary_init(self):
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if not self.app:
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# Register default apps if main hasn't put anything on the quick ring
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if not self.quick_ring:
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self.register_defaults()
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# Special case for watches with working step counters!
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if isinstance(a, StepCounterApp):
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self.steps = steplogger.StepLogger(self)
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# System start up...
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watch.display.poweron()
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watch.display.mute(True)
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watch.backlight.set(self._brightness)
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self.sleep_at = watch.rtc.uptime + 90
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if watch.free:
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gc.collect()
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free = gc.mem_free()
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self.register(a, qr)
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except:
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# Let's not bring the whole device down just because there's
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# an exception starting one of the apps...
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pass
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self.switch(self.quick_ring[0])
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def register(self, app, quick_ring=False, watch_face=False):
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def register_defaults(self):
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"""Register the default applications."""
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self.register('apps.clock.ClockApp', True, no_except=True)
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self.register('apps.steps.StepCounterApp', True, no_except=True)
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self.register('apps.stopwatch.StopwatchApp', True, no_except=True)
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self.register('apps.heart.HeartApp', True, no_except=True)
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self.register('apps.faces.FacesApp', no_except=True)
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self.register('apps.settings.SettingsApp', no_except=True)
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self.register('apps.software.SoftwareApp', no_except=True)
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def register(self, app, quick_ring=False, watch_face=False, no_except=False):
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"""Register an application with the system.
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:param object app: The application to regsister
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:param object app: The application to register
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:param object quick_ring: Place the application on the quick ring
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:param object watch_face: Make the new application the default watch face
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:param object no_except: Ignore exceptions when instantiating applications
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"""
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if isinstance(app, str):
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modname = app[:app.rindex('.')]
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exec('import ' + modname)
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app = eval(app + '()')
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if no_except:
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try:
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app = eval(app + '()')
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except:
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app = None
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else:
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app = eval(app + '()')
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exec('del ' + modname)
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exec('del sys.modules["' + modname + '"]')
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if not app:
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return
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# "Special case" for watches that have working step counters!
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# More usefully it allows other apps to detect the presence/absence
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# of a working step counter by looking at wasp.system.steps .
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if isinstance(app, StepCounterApp):
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self.steps = steplogger.StepLogger(self)
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if watch_face:
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self.quick_ring[0] = app
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@ -234,20 +251,11 @@ class Manager():
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except:
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# Clear out the old app to ensure we don't recurse when
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# we switch to to the CrashApp. It's a bit freaky but
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# True has an empty directory this is better than
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# None because it won't re-runt he system start up
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# code.
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# True has an empty directory and is is better than
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# None because it won't re-run the system start up
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# code (else clause).
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self.app = True
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raise
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else:
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# System start up...
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watch.display.poweron()
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watch.display.mute(True)
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watch.backlight.set(self._brightness)
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self.sleep_at = watch.rtc.uptime + 90
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if watch.free:
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gc.collect()
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free = gc.mem_free()
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# Clear out any configuration from the old application
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self.event_mask = 0
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@ -492,8 +500,7 @@ class Manager():
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print('Watch already running in the background')
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return
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if not self.app:
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self.switch(self.quick_ring[0])
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self.secondary_init()
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# Reminder: wasptool uses this string to confirm the device has
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# been set running again.
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@ -545,8 +552,7 @@ class Manager():
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def schedule(self, enable=True):
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"""Run the system manager synchronously."""
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if not self.app:
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self.switch(self.quick_ring[0])
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self.secondary_init()
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if enable:
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watch.schedule = self._schedule
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