def from_ical(cls, st, multiple=False):
"""Populates the component recursively from a string.
"""
stack = [] # a stack of components
comps = []
previous_line = None
for line in Contentlines.from_ical(st): # raw parsing
if not line:
continue
try:
name, params, vals = line.parts()
previous_line = line
except ValueError as err:
# if unable to parse a line within a component
# that ignores exceptions, mark the component
# as broken and skip the line. otherwise raise.
try:
if previous_line and name in NEWLINE_FIX_NAMES:
try:
#Try to generate line from last name key (fix malformed line breaks)
new_line = Contentline.from_ical(
previous_line + escape_char('\n') + line)
name, params, vals = new_line.parts()
component = stack[-1]
component.pop(name)
previous_line = new_line
except:
raise
else:
raise
except ValueError as err:
component = stack[-1] if stack else None
if not component or not component.ignore_exceptions:
raise
component.is_broken = True
print "Broken: " + str(component)
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, cls)
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:
if not component.is_broken:
stack[-1].add_component(component)
# we are adding properties to the current top of the stack
else:
factory = types_factory.for_property(name)
component = stack[-1]
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:
if not component.ignore_exceptions:
raise
component.is_broken = True
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:
#Fix missing END:VCALENDAR flag problem
if len(stack)==1 and stack[-1].name == u'VCALENDAR':
component = stack.pop()
comps.append(component)
else:
raise ValueError('Found no components where '
'exactly one is required: '
'{st!r}'.format(**locals()))
return comps[0]
def extract_attendees(output):
evt_attendees = {}
for line in Contentlines.from_ical(output): # raw parsing
try:
name, params, vals = line.parts()
if name == 'UID':
uid = vals
if name == 'ATTENDEE':
if uid not in evt_attendees:
evt_attendees[str(uid)] = []
vals = vals.replace('mailto:', '')
if re.match(
r"(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$)",
vals):
evt_attendees[str(uid)].append({
'email':
vals,
'CN':
params['CN'],
'PARTSTAT':
params['PARTSTAT']
})
except:
""""""
return evt_attendees
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
name, params, vals = line.parts()
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, cls)
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:
if not component.is_broken:
stack[-1].add_component(component)
# we are adding properties to the current top of the stack
else:
factory = types_factory.for_property(name)
component = stack[-1]
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:
if not component.ignore_exceptions:
raise
component.is_broken = True
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 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
name, params, vals = line.parts()
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, cls)
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:
if not component.is_broken:
stack[-1].add_component(component)
# we are adding properties to the current top of the stack
else:
factory = types_factory.for_property(name)
component = stack[-1]
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:
if not component.ignore_exceptions:
raise
component.is_broken = True
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 test_main(self, lines):
cl = Contentlines()
for key, params, value in lines:
params = Parameters(**params)
cl.append(Contentline.from_parts(key, params, value))
cl.append('')
assert Contentlines.from_ical(cl.to_ical()) == cl
def test_main(self, lines):
cl = Contentlines()
for key, params, value in lines:
try:
params = Parameters(**params)
except TypeError:
# Happens when there is a random parameter 'self'...
continue
cl.append(Contentline.from_parts(key, params, value))
cl.append('')
assert Contentlines.from_ical(cl.to_ical()) == cl
def from_ical(st, multiple=False):
"""
Populates the component recursively from a string
RecurrenceIDs may contain a TZID parameter, if so, they should create a tz localized datetime, otherwise, create a naive datetime
>>> componentStr = 'BEGIN:VEVENT\\nRECURRENCE-ID;TZID=America/Denver:20120404T073000\\nEND:VEVENT'
>>> component = Component.from_ical(componentStr)
>>> component['RECURRENCE-ID'].dt.tzinfo
<DstTzInfo 'America/Denver' MDT-1 day, 18:00:00 DST>
>>> componentStr = 'BEGIN:VEVENT\\nRECURRENCE-ID:20120404T073000\\nEND:VEVENT'
>>> component = Component.from_ical(componentStr)
>>> component['RECURRENCE-ID'].dt.tzinfo == None
True
"""
stack = [] # a stack of components
comps = []
for line in Contentlines.from_ical(st): # raw parsing
if not line:
continue
name, params, vals = line.parts()
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.
component_name = vals.upper()
component_class = component_factory.get(component_name, Component)
component = component_class()
if not getattr(component, 'name', ''): # for undefined components
component.name = component_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:
if not component.is_broken:
stack[-1].add_component(component)
# we are adding properties to the current top of the stack
else:
factory = types_factory.for_property(name)
component = stack[-1]
try:
if name in ('DTSTART', 'DTEND','RECURRENCE-ID') and 'TZID' in params: # TODO: add DUE, FREEBUSY
vals = factory(factory.from_ical(vals, params['TZID']))
else:
vals = factory(factory.from_ical(vals))
except ValueError:
if not component.ignore_exceptions:
raise
component.is_broken = True
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 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 from_ical(st, multiple=False):
"""
Populates the component recursively from a string
RecurrenceIDs may contain a TZID parameter, if so, they should create a tz localized datetime, otherwise, create a naive datetime
>>> componentStr = 'BEGIN:VEVENT\\nRECURRENCE-ID;TZID=America/Denver:20120404T073000\\nEND:VEVENT'
>>> component = Component.from_ical(componentStr)
>>> component['RECURRENCE-ID'].dt.tzinfo
<DstTzInfo 'America/Denver' MDT-1 day, 18:00:00 DST>
>>> componentStr = 'BEGIN:VEVENT\\nRECURRENCE-ID:20120404T073000\\nEND:VEVENT'
>>> component = Component.from_ical(componentStr)
>>> component['RECURRENCE-ID'].dt.tzinfo == None
True
"""
stack = [] # a stack of components
comps = []
for line in Contentlines.from_ical(st): # raw parsing
if not line:
continue
name, params, vals = line.parts()
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.
component_name = vals.upper()
component_class = component_factory.get(
component_name, Component)
component = component_class()
if not getattr(component, 'name',
''): # for undefined components
component.name = component_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:
if not component.is_broken:
stack[-1].add_component(component)
# we are adding properties to the current top of the stack
else:
factory = types_factory.for_property(name)
component = stack[-1]
try:
if name in (
'DTSTART', 'DTEND', 'RECURRENCE-ID'
) and 'TZID' in params: # TODO: add DUE, FREEBUSY
vals = factory(factory.from_ical(vals, params['TZID']))
else:
vals = factory(factory.from_ical(vals))
except ValueError:
if not component.ignore_exceptions:
raise
component.is_broken = True
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 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 from_ical(cls, st, multiple=False):
"""Populates the component recursively from a string.
"""
stack = [] # a stack of components
comps = []
previous_line = None
for line in Contentlines.from_ical(st): # raw parsing
if not line:
continue
try:
name, params, vals = line.parts()
previous_line = line
except ValueError as err:
# if unable to parse a line within a component
# that ignores exceptions, mark the component
# as broken and skip the line. otherwise raise.
try:
if previous_line and name in NEWLINE_FIX_NAMES:
try:
#Try to generate line from last name key (fix malformed line breaks)
new_line = Contentline.from_ical(
previous_line + escape_char('\n') + line)
name, params, vals = new_line.parts()
component = stack[-1]
component.pop(name)
previous_line = new_line
except:
raise
else:
raise
except ValueError as err:
component = stack[-1] if stack else None
if not component or not component.ignore_exceptions:
raise
component.is_broken = True
print "Broken: " + str(component)
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, cls)
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:
if not component.is_broken:
stack[-1].add_component(component)
# we are adding properties to the current top of the stack
else:
factory = types_factory.for_property(name)
component = stack[-1]
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:
if not component.ignore_exceptions:
raise
component.is_broken = True
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:
#Fix missing END:VCALENDAR flag problem
if len(stack) == 1 and stack[-1].name == u'VCALENDAR':
component = stack.pop()
comps.append(component)
else:
raise ValueError('Found no components where '
'exactly one is required: '
'{st!r}'.format(**locals()))
return comps[0]
