def __init__(self, env, form_resource_or_parent_realm=None,
parent_id=None, subcontext=None, form_id=None, version=None):
self.env = env
# prepare db access
self.forms = FormSystem(env)
self.realm = 'form'
self.subcontext = subcontext
self.siblings = []
# DEVEL: support for handling form revisions not implemented yet
if isinstance(form_resource_or_parent_realm, Resource):
self.resource = form_resource_or_parent_realm
parent = self.resource.parent
if self.siblings == []:
self._get_siblings(parent.realm, parent.id)
else:
parent_realm = form_resource_or_parent_realm
if form_id not in [None, ''] and self.id_is_valid(form_id):
self.id = int(form_id)
else:
self.id = None
if self.id is not None and (parent_realm is None or \
parent_id is None or subcontext is None):
# get complete context, required as resource parent
ctxt = self.forms.get_tracform_meta(self.id)[1:4]
parent_realm = ctxt[0]
parent_id = ctxt[1]
self.subcontext = ctxt[2]
elif isinstance(parent_realm, basestring) and \
parent_id is not None and self.id is None:
# find form(s), if parent descriptors are available
if subcontext is not None:
ctxt = tuple([parent_realm, parent_id, subcontext])
self.id = self.forms.get_tracform_meta(ctxt)[0]
self._get_siblings(parent_realm, parent_id)
if isinstance(parent_realm, basestring) and \
parent_id is not None:
self.resource = Resource(parent_realm, parent_id
).child('form', self.id, version)
else:
raise ResourceNotFound(
_("""No data recorded for a TracForms form in
%(realm)s:%(parent_id)s
""", realm=parent_realm, parent_id=parent_id),
subcontext and _("with subcontext %(subcontext)s",
subcontext=subcontext) or '')
class Form(object):
"""Trac resource representation of a TracForms form."""
@staticmethod
def id_is_valid(num):
try:
return 0 < int(num) <= 1L << 31
except ValueError:
raise ResourceNotFound(
_("TracForm %(form_id)s does not exist.", form_id=num),
_("Invalid form number"))
def __init__(self, env, form_resource_or_parent_realm=None,
parent_id=None, subcontext=None, form_id=None, version=None):
self.env = env
# prepare db access
self.forms = FormSystem(env)
self.realm = 'form'
self.subcontext = subcontext
self.siblings = []
# DEVEL: support for handling form revisions not implemented yet
if isinstance(form_resource_or_parent_realm, Resource):
self.resource = form_resource_or_parent_realm
parent = self.resource.parent
if self.siblings == []:
self._get_siblings(parent.realm, parent.id)
else:
parent_realm = form_resource_or_parent_realm
if form_id not in [None, ''] and self.id_is_valid(form_id):
self.id = int(form_id)
else:
self.id = None
if self.id is not None and (parent_realm is None or \
parent_id is None or subcontext is None):
# get complete context, required as resource parent
ctxt = self.forms.get_tracform_meta(self.id)[1:4]
parent_realm = ctxt[0]
parent_id = ctxt[1]
self.subcontext = ctxt[2]
elif isinstance(parent_realm, basestring) and \
parent_id is not None and self.id is None:
# find form(s), if parent descriptors are available
if subcontext is not None:
ctxt = tuple([parent_realm, parent_id, subcontext])
self.id = self.forms.get_tracform_meta(ctxt)[0]
self._get_siblings(parent_realm, parent_id)
if isinstance(parent_realm, basestring) and \
parent_id is not None:
self.resource = Resource(parent_realm, parent_id
).child('form', self.id, version)
else:
raise ResourceNotFound(
_("""No data recorded for a TracForms form in
%(realm)s:%(parent_id)s
""", realm=parent_realm, parent_id=parent_id),
subcontext and _("with subcontext %(subcontext)s",
subcontext=subcontext) or '')
def _get_siblings(self, parent_realm, parent_id):
"""Add siblings list including self to form resource object."""
self.siblings = self.forms.get_tracform_ids(tuple([parent_realm,
parent_id])) or []
if len(self.siblings) == 1:
# form_id in single form situation
self.id = self.siblings[0][0]
self.subcontext = self.siblings[0][1]
@property
def has_data(self):
"""Return whether there is any form content stored."""
return (self.forms.get_tracform_fields(self.id) is not None or \
self.forms.get_tracform_history(self.id) is not None or \
self.forms.get_tracform_state(self.id) not in [None, '{}'])
