mirror of
https://github.com/rembo10/headphones.git
synced 2026-07-19 23:44:01 +01:00
Big Update: Automatic updating, Show what albums/songs you already have, Config fixes, Fixed restart & shutdown buttons
This commit is contained in:
Remy
@@ -0,0 +1,3 @@
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from lib.apscheduler.triggers.cron import CronTrigger
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from lib.apscheduler.triggers.interval import IntervalTrigger
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from lib.apscheduler.triggers.simple import SimpleTrigger
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@@ -0,0 +1,135 @@
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from datetime import date, datetime
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from lib.apscheduler.triggers.cron.fields import *
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from lib.apscheduler.util import datetime_ceil, convert_to_datetime
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class CronTrigger(object):
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FIELD_NAMES = ('year', 'month', 'day', 'week', 'day_of_week', 'hour',
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'minute', 'second')
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FIELDS_MAP = {'year': BaseField,
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'month': BaseField,
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'week': WeekField,
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'day': DayOfMonthField,
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'day_of_week': DayOfWeekField,
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'hour': BaseField,
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'minute': BaseField,
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'second': BaseField}
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def __init__(self, **values):
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self.start_date = values.pop('start_date', None)
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if self.start_date:
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self.start_date = convert_to_datetime(self.start_date)
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self.fields = []
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for field_name in self.FIELD_NAMES:
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if field_name in values:
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exprs = values.pop(field_name)
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is_default = False
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elif not values:
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exprs = DEFAULT_VALUES[field_name]
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is_default = True
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else:
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exprs = '*'
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is_default = True
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field_class = self.FIELDS_MAP[field_name]
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field = field_class(field_name, exprs, is_default)
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self.fields.append(field)
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def _increment_field_value(self, dateval, fieldnum):
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"""
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Increments the designated field and resets all less significant fields
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to their minimum values.
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:type dateval: datetime
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:type fieldnum: int
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:type amount: int
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:rtype: tuple
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:return: a tuple containing the new date, and the number of the field
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that was actually incremented
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"""
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i = 0
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values = {}
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while i < len(self.fields):
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field = self.fields[i]
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if not field.REAL:
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if i == fieldnum:
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fieldnum -= 1
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i -= 1
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else:
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i += 1
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continue
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if i < fieldnum:
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values[field.name] = field.get_value(dateval)
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i += 1
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elif i > fieldnum:
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values[field.name] = field.get_min(dateval)
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i += 1
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else:
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value = field.get_value(dateval)
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maxval = field.get_max(dateval)
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if value == maxval:
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fieldnum -= 1
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i -= 1
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else:
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values[field.name] = value + 1
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i += 1
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return datetime(**values), fieldnum
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def _set_field_value(self, dateval, fieldnum, new_value):
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values = {}
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for i, field in enumerate(self.fields):
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if field.REAL:
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if i < fieldnum:
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values[field.name] = field.get_value(dateval)
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elif i > fieldnum:
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values[field.name] = field.get_min(dateval)
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else:
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values[field.name] = new_value
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return datetime(**values)
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def get_next_fire_time(self, start_date):
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if self.start_date:
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start_date = max(start_date, self.start_date)
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next_date = datetime_ceil(start_date)
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fieldnum = 0
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while 0 <= fieldnum < len(self.fields):
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field = self.fields[fieldnum]
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curr_value = field.get_value(next_date)
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next_value = field.get_next_value(next_date)
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if next_value is None:
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# No valid value was found
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next_date, fieldnum = self._increment_field_value(next_date,
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fieldnum - 1)
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elif next_value > curr_value:
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# A valid, but higher than the starting value, was found
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if field.REAL:
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next_date = self._set_field_value(next_date, fieldnum,
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next_value)
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fieldnum += 1
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else:
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next_date, fieldnum = self._increment_field_value(next_date,
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fieldnum)
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else:
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# A valid value was found, no changes necessary
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fieldnum += 1
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if fieldnum >= 0:
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return next_date
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def __str__(self):
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options = ["%s='%s'" % (f.name, str(f)) for f in self.fields
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if not f.is_default]
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return 'cron[%s]' % (', '.join(options))
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def __repr__(self):
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options = ["%s='%s'" % (f.name, str(f)) for f in self.fields
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if not f.is_default]
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if self.start_date:
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options.append("start_date='%s'" % self.start_date.isoformat(' '))
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return '<%s (%s)>' % (self.__class__.__name__, ', '.join(options))
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@@ -0,0 +1,178 @@
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"""
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This module contains the expressions applicable for CronTrigger's fields.
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"""
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from calendar import monthrange
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import re
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from lib.apscheduler.util import asint
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__all__ = ('AllExpression', 'RangeExpression', 'WeekdayRangeExpression',
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'WeekdayPositionExpression')
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WEEKDAYS = ['mon', 'tue', 'wed', 'thu', 'fri', 'sat', 'sun']
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class AllExpression(object):
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value_re = re.compile(r'\*(?:/(?P<step>\d+))?$')
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def __init__(self, step=None):
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self.step = asint(step)
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if self.step == 0:
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raise ValueError('Increment must be higher than 0')
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def get_next_value(self, date, field):
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start = field.get_value(date)
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minval = field.get_min(date)
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maxval = field.get_max(date)
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start = max(start, minval)
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if not self.step:
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next = start
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else:
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distance_to_next = (self.step - (start - minval)) % self.step
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next = start + distance_to_next
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if next <= maxval:
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return next
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def __str__(self):
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if self.step:
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return '*/%d' % self.step
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return '*'
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def __repr__(self):
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return "%s(%s)" % (self.__class__.__name__, self.step)
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class RangeExpression(AllExpression):
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value_re = re.compile(
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r'(?P<first>\d+)(?:-(?P<last>\d+))?(?:/(?P<step>\d+))?$')
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def __init__(self, first, last=None, step=None):
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AllExpression.__init__(self, step)
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first = asint(first)
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last = asint(last)
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if last is None and step is None:
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last = first
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if last is not None and first > last:
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raise ValueError('The minimum value in a range must not be '
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'higher than the maximum')
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self.first = first
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self.last = last
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def get_next_value(self, date, field):
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start = field.get_value(date)
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minval = field.get_min(date)
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maxval = field.get_max(date)
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# Apply range limits
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minval = max(minval, self.first)
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if self.last is not None:
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maxval = min(maxval, self.last)
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start = max(start, minval)
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if not self.step:
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next = start
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else:
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distance_to_next = (self.step - (start - minval)) % self.step
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next = start + distance_to_next
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if next <= maxval:
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return next
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def __str__(self):
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if self.last != self.first and self.last is not None:
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range = '%d-%d' % (self.first, self.last)
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else:
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range = str(self.first)
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if self.step:
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return '%s/%d' % (range, self.step)
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return range
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def __repr__(self):
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args = [str(self.first)]
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if self.last != self.first and self.last is not None or self.step:
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args.append(str(self.last))
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if self.step:
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args.append(str(self.step))
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return "%s(%s)" % (self.__class__.__name__, ', '.join(args))
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class WeekdayRangeExpression(RangeExpression):
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value_re = re.compile(r'(?P<first>[a-z]+)(?:-(?P<last>[a-z]+))?',
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re.IGNORECASE)
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def __init__(self, first, last=None):
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try:
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first_num = WEEKDAYS.index(first.lower())
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except ValueError:
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raise ValueError('Invalid weekday name "%s"' % first)
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if last:
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try:
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last_num = WEEKDAYS.index(last.lower())
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except ValueError:
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raise ValueError('Invalid weekday name "%s"' % last)
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else:
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last_num = None
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RangeExpression.__init__(self, first_num, last_num)
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def __str__(self):
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if self.last != self.first and self.last is not None:
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return '%s-%s' % (WEEKDAYS[self.first], WEEKDAYS[self.last])
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return WEEKDAYS[self.first]
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def __repr__(self):
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args = ["'%s'" % WEEKDAYS[self.first]]
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if self.last != self.first and self.last is not None:
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args.append("'%s'" % WEEKDAYS[self.last])
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return "%s(%s)" % (self.__class__.__name__, ', '.join(args))
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class WeekdayPositionExpression(AllExpression):
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options = ['1st', '2nd', '3rd', '4th', '5th', 'last']
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value_re = re.compile(r'(?P<option_name>%s) +(?P<weekday_name>(?:\d+|\w+))'
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% '|'.join(options), re.IGNORECASE)
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def __init__(self, option_name, weekday_name):
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try:
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self.option_num = self.options.index(option_name.lower())
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except ValueError:
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raise ValueError('Invalid weekday position "%s"' % option_name)
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try:
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self.weekday = WEEKDAYS.index(weekday_name.lower())
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except ValueError:
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raise ValueError('Invalid weekday name "%s"' % weekday_name)
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def get_next_value(self, date, field):
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# Figure out the weekday of the month's first day and the number
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# of days in that month
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first_day_wday, last_day = monthrange(date.year, date.month)
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# Calculate which day of the month is the first of the target weekdays
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first_hit_day = self.weekday - first_day_wday + 1
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if first_hit_day <= 0:
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first_hit_day += 7
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# Calculate what day of the month the target weekday would be
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if self.option_num < 5:
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target_day = first_hit_day + self.option_num * 7
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else:
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target_day = first_hit_day + ((last_day - first_hit_day) / 7) * 7
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if target_day <= last_day and target_day >= date.day:
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return target_day
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def __str__(self):
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return '%s %s' % (self.options[self.option_num],
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WEEKDAYS[self.weekday])
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def __repr__(self):
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return "%s('%s', '%s')" % (self.__class__.__name__,
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self.options[self.option_num],
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WEEKDAYS[self.weekday])
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@@ -0,0 +1,99 @@
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"""
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Fields represent CronTrigger options which map to :class:`~datetime.datetime`
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fields.
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"""
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from calendar import monthrange
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from lib.apscheduler.triggers.cron.expressions import *
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__all__ = ('MIN_VALUES', 'MAX_VALUES', 'DEFAULT_VALUES', 'BaseField',
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'WeekField', 'DayOfMonthField', 'DayOfWeekField')
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MIN_VALUES = {'year': 1970, 'month': 1, 'day': 1, 'week': 1,
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'day_of_week': 0, 'hour': 0, 'minute': 0, 'second': 0}
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MAX_VALUES = {'year': 2 ** 63, 'month': 12, 'day:': 31, 'week': 53,
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'day_of_week': 6, 'hour': 23, 'minute': 59, 'second': 59}
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DEFAULT_VALUES = {'year': '*', 'month': 1, 'day': 1, 'week': '*',
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'day_of_week': '*', 'hour': 0, 'minute': 0, 'second': 0}
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class BaseField(object):
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REAL = True
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COMPILERS = [AllExpression, RangeExpression]
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def __init__(self, name, exprs, is_default=False):
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self.name = name
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self.is_default = is_default
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self.compile_expressions(exprs)
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def get_min(self, dateval):
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return MIN_VALUES[self.name]
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def get_max(self, dateval):
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return MAX_VALUES[self.name]
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def get_value(self, dateval):
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return getattr(dateval, self.name)
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def get_next_value(self, dateval):
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smallest = None
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for expr in self.expressions:
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value = expr.get_next_value(dateval, self)
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if smallest is None or (value is not None and value < smallest):
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smallest = value
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return smallest
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def compile_expressions(self, exprs):
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self.expressions = []
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# Split a comma-separated expression list, if any
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exprs = str(exprs).strip()
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if ',' in exprs:
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for expr in exprs.split(','):
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self.compile_expression(expr)
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else:
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self.compile_expression(exprs)
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def compile_expression(self, expr):
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for compiler in self.COMPILERS:
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match = compiler.value_re.match(expr)
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if match:
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compiled_expr = compiler(**match.groupdict())
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self.expressions.append(compiled_expr)
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return
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raise ValueError('Unrecognized expression "%s" for field "%s"' %
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(expr, self.name))
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def __str__(self):
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expr_strings = (str(e) for e in self.expressions)
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return ','.join(expr_strings)
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def __repr__(self):
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return "%s('%s', '%s')" % (self.__class__.__name__, self.name,
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str(self))
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class WeekField(BaseField):
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REAL = False
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def get_value(self, dateval):
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return dateval.isocalendar()[1]
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class DayOfMonthField(BaseField):
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COMPILERS = BaseField.COMPILERS + [WeekdayPositionExpression]
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def get_max(self, dateval):
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return monthrange(dateval.year, dateval.month)[1]
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class DayOfWeekField(BaseField):
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REAL = False
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COMPILERS = BaseField.COMPILERS + [WeekdayRangeExpression]
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def get_value(self, dateval):
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return dateval.weekday()
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@@ -0,0 +1,39 @@
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from datetime import datetime, timedelta
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from math import ceil
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from lib.apscheduler.util import convert_to_datetime, timedelta_seconds
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class IntervalTrigger(object):
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def __init__(self, interval, start_date=None):
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if not isinstance(interval, timedelta):
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raise TypeError('interval must be a timedelta')
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if start_date:
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start_date = convert_to_datetime(start_date)
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self.interval = interval
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self.interval_length = timedelta_seconds(self.interval)
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if self.interval_length == 0:
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self.interval = timedelta(seconds=1)
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self.interval_length = 1
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if start_date is None:
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self.start_date = datetime.now() + self.interval
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else:
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self.start_date = convert_to_datetime(start_date)
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def get_next_fire_time(self, start_date):
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if start_date < self.start_date:
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return self.start_date
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timediff_seconds = timedelta_seconds(start_date - self.start_date)
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next_interval_num = int(ceil(timediff_seconds / self.interval_length))
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return self.start_date + self.interval * next_interval_num
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def __str__(self):
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return 'interval[%s]' % str(self.interval)
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def __repr__(self):
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return "<%s (interval=%s, start_date=%s)>" % (
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self.__class__.__name__, repr(self.interval),
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repr(self.start_date))
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@@ -0,0 +1,17 @@
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from lib.apscheduler.util import convert_to_datetime
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class SimpleTrigger(object):
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def __init__(self, run_date):
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self.run_date = convert_to_datetime(run_date)
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def get_next_fire_time(self, start_date):
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if self.run_date >= start_date:
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return self.run_date
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def __str__(self):
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return 'date[%s]' % str(self.run_date)
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def __repr__(self):
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return '<%s (run_date=%s)>' % (
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self.__class__.__name__, repr(self.run_date))
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