def to_ical(self):
sign = ""
if self.td.days < 0:
sign = "-"
self.td = -self.td
timepart = ""
if self.td.seconds:
timepart = "T"
hours = self.td.seconds // 3600
minutes = self.td.seconds % 3600 // 60
seconds = self.td.seconds % 60
if hours:
timepart += "%dH" % hours
if minutes or (hours and seconds):
timepart += "%dM" % minutes
if seconds:
timepart += "%dS" % seconds
if self.td.days == 0 and timepart:
return (compat.unicode_type(sign).encode('utf-8') + b'P' +
compat.unicode_type(timepart).encode('utf-8'))
else:
return (compat.unicode_type(sign).encode('utf-8') + b'P' +
compat.unicode_type(abs(self.td.days)).encode('utf-8') +
b'D' + compat.unicode_type(timepart).encode('utf-8'))
def to_ical(self):
sign = ""
if self.td.days < 0:
sign = "-"
self.td = -self.td
timepart = ""
if self.td.seconds:
timepart = "T"
hours = self.td.seconds // 3600
minutes = self.td.seconds % 3600 // 60
seconds = self.td.seconds % 60
if hours:
timepart += "%dH" % hours
if minutes or (hours and seconds):
timepart += "%dM" % minutes
if seconds:
timepart += "%dS" % seconds
if self.td.days == 0 and timepart:
return (compat.unicode_type(sign).encode('utf-8') + b'P' +
compat.unicode_type(timepart).encode('utf-8'))
else:
return (compat.unicode_type(sign).encode('utf-8') + b'P' +
compat.unicode_type(abs(self.td.days)).encode('utf-8') +
b'D' + compat.unicode_type(timepart).encode('utf-8'))
def to_ical(self):
return compat.unicode_type(self).encode('utf-8')
def from_ical(cls, st, multiple=False):
"""Populates the component recursively from a string.
"""
stack = [] # a stack of components
comps = []
for line in Contentlines.from_ical(st): # raw parsing
if not line:
continue
try:
name, params, vals = line.parts()
except ValueError as e:
# if unable to parse a line within a component
# that ignores exceptions, mark the component
# as broken and skip the line. otherwise raise.
component = stack[-1] if stack else None
if not component or not component.ignore_exceptions:
raise
component.errors.append((None, unicode_type(e)))
continue
uname = name.upper()
# check for start of component
if uname == 'BEGIN':
# try and create one of the components defined in the spec,
# otherwise get a general Components for robustness.
c_name = vals.upper()
c_class = component_factory.get(c_name, Component)
# If component factory cannot resolve ``c_name``, the generic
# ``Component`` class is used which does not have the name set.
# That's opposed to the usage of ``cls``, which represents a
# more concrete subclass with a name set (e.g. VCALENDAR).
component = c_class()
if not getattr(component, 'name', ''): # undefined components
component.name = c_name
stack.append(component)
# check for end of event
elif uname == 'END':
# we are done adding properties to this component
# so pop it from the stack and add it to the new top.
component = stack.pop()
if not stack: # we are at the end
comps.append(component)
else:
stack[-1].add_component(component)
if vals == 'VTIMEZONE' and \
'TZID' in component and \
component['TZID'] not in pytz.all_timezones and \
component['TZID'] not in _timezone_cache:
_timezone_cache[component['TZID']] = component.to_tz()
# we are adding properties to the current top of the stack
else:
factory = types_factory.for_property(name)
component = stack[-1] if stack else None
if not component:
raise ValueError('Property "{prop}" does not have '
'a parent component.'.format(prop=name))
datetime_names = ('DTSTART', 'DTEND', 'RECURRENCE-ID', 'DUE',
'FREEBUSY', 'RDATE', 'EXDATE')
try:
if name in datetime_names and 'TZID' in params:
vals = factory(factory.from_ical(vals, params['TZID']))
else:
vals = factory(factory.from_ical(vals))
except ValueError as e:
if not component.ignore_exceptions:
raise
component.errors.append((uname, unicode_type(e)))
component.add(name, None, encode=0)
else:
vals.params = params
component.add(name, vals, encode=0)
if multiple:
return comps
if len(comps) > 1:
raise ValueError('Found multiple components where '
'only one is allowed: {st!r}'.format(**locals()))
if len(comps) < 1:
raise ValueError('Found no components where '
'exactly one is required: '
'{st!r}'.format(**locals()))
return comps[0]
def to_ical(self):
return compat.unicode_type(self).encode('utf-8')
def from_ical(cls, st, multiple=False):
"""Populates the component recursively from a string.
"""
stack = [] # a stack of components
comps = []
for line in Contentlines.from_ical(st): # raw parsing
if not line:
continue
try:
name, params, vals = line.parts()
except ValueError as e:
# if unable to parse a line within a component
# that ignores exceptions, mark the component
# as broken and skip the line. otherwise raise.
component = stack[-1] if stack else None
if not component or not component.ignore_exceptions:
raise
component.errors.append((None, unicode_type(e)))
continue
uname = name.upper()
# check for start of component
if uname == 'BEGIN':
# try and create one of the components defined in the spec,
# otherwise get a general Components for robustness.
c_name = vals.upper()
c_class = component_factory.get(c_name, Component)
# If component factory cannot resolve ``c_name``, the generic
# ``Component`` class is used which does not have the name set.
# That's opposed to the usage of ``cls``, which represents a
# more concrete subclass with a name set (e.g. VCALENDAR).
component = c_class()
if not getattr(component, 'name', ''): # undefined components
component.name = c_name
stack.append(component)
# check for end of event
elif uname == 'END':
# we are done adding properties to this component
# so pop it from the stack and add it to the new top.
component = stack.pop()
if not stack: # we are at the end
comps.append(component)
else:
stack[-1].add_component(component)
if vals == 'VTIMEZONE' and \
'TZID' in component and \
component['TZID'] not in pytz.all_timezones and \
component['TZID'] not in _timezone_cache:
_timezone_cache[component['TZID']] = component.to_tz()
# we are adding properties to the current top of the stack
else:
factory = types_factory.for_property(name)
component = stack[-1] if stack else None
if not component:
raise ValueError('Property "{prop}" does not have '
'a parent component.'.format(prop=name))
datetime_names = ('DTSTART', 'DTEND', 'RECURRENCE-ID', 'DUE',
'FREEBUSY', 'RDATE', 'EXDATE')
try:
if name in datetime_names and 'TZID' in params:
vals = factory(factory.from_ical(vals, params['TZID']))
else:
vals = factory(factory.from_ical(vals))
except ValueError as e:
if not component.ignore_exceptions:
raise
component.errors.append((uname, unicode_type(e)))
component.add(name, None, encode=0)
else:
vals.params = params
component.add(name, vals, encode=0)
if multiple:
return comps
if len(comps) > 1:
raise ValueError('Found multiple components where '
'only one is allowed: {st!r}'.format(**locals()))
if len(comps) < 1:
raise ValueError('Found no components where '
'exactly one is required: '
'{st!r}'.format(**locals()))
return comps[0]
