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Change iTerm2 color preset by time of day
#!/usr/bin/env python3.7
import asyncio
import datetime
import iterm2
# Clock time to change colors.
LIGHT_TIME = (7, 0)
DARK_TIME = (17, 0)
# Color presets to use
LIGHT_PRESET_NAME = "material"
DARK_PRESET_NAME = "onedark"
# Profiles to update
PROFILES = ["Default"]
def get_datetime(t, time):
return datetime.datetime(t.year, t.month, t.day, time[0], time[1])
def datetime_after(t, time):
today = get_datetime(t, time)
if today > t:
return today
# Same time tomorrow
return today + datetime.timedelta(1)
def next_deadline_after(t):
light_deadline = datetime_after(t, LIGHT_TIME)
dark_deadline = datetime_after(t, DARK_TIME)
if light_deadline < dark_deadline:
return (LIGHT_PRESET_NAME, light_deadline)
return (DARK_PRESET_NAME, dark_deadline)
def get_duration():
now = datetime.datetime.now()
preset_name, deadline = next_deadline_after(now)
duration = (deadline - now).seconds
print("Sleep for {} seconds until {}".format(duration, deadline))
return duration, preset_name
async def set_colors(connection, preset_name):
print("Change to preset {}".format(preset_name))
preset = await iterm2.ColorPreset.async_get(connection, preset_name)
for partial in (await iterm2.PartialProfile.async_query(connection)):
if partial.name in PROFILES:
await partial.async_set_color_preset(preset)
async def main(connection):
now = datetime.datetime.now()
begin = get_datetime(now, LIGHT_TIME)
end = get_datetime(now, DARK_TIME)
if (now > begin and now < end):
await set_colors(connection, LIGHT_PRESET_NAME)
else:
await set_colors(connection, DARK_PRESET_NAME)
while True:
duration, preset_name = get_duration()
await asyncio.sleep(duration)
await set_colors(connection, preset_name)
await asyncio.sleep(1)
iterm2.run_forever(main)
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