def get(scanner_class, properties):
""" Returns an instance of previously registered scanner
with the specified properties.
"""
scanner_name = str(scanner_class)
if not registered(scanner_name):
raise BaseException ("attempt to get unregisted scanner: %s" % scanner_name)
relevant_properties = __scanners[scanner_name]
r = property.select(relevant_properties, properties)
scanner_id = scanner_name + '.' + '-'.join(r)
if not __scanner_cache.has_key(scanner_name):
__scanner_cache[scanner_name] = scanner_class(r)
return __scanner_cache[scanner_name]
def get(scanner_class, properties):
""" Returns an instance of previously registered scanner
with the specified properties.
"""
scanner_name = str(scanner_class)
if not registered(scanner_name):
raise BaseException ("attempt to get unregisted scanner: %s" % scanner_name)
relevant_properties = __scanners[scanner_name]
r = property.select(relevant_properties, properties)
scanner_id = scanner_name + '.' + '-'.join(r)
if not __scanner_cache.has_key(scanner_name):
__scanner_cache[scanner_name] = scanner_class(r)
return __scanner_cache[scanner_name]
def get(scanner_class, properties):
""" Returns an instance of previously registered scanner
with the specified properties.
"""
assert issubclass(scanner_class, Scanner)
assert is_iterable_typed(properties, basestring)
scanner_name = str(scanner_class)
if not registered(scanner_name):
raise BaseException ("attempt to get unregistered scanner: %s" % scanner_name)
relevant_properties = __scanners[scanner_name]
r = property.select(relevant_properties, properties)
scanner_id = scanner_name + '.' + '-'.join(r)
if scanner_id not in __scanner_cache:
__scanner_cache[scanner_id] = scanner_class(r)
return __scanner_cache[scanner_id]
def __handle_flag_value(manager, value, properties):
result = []
if get_grist(value):
matches = property.select(value, properties)
for p in matches:
att = feature.attributes(get_grist(p))
ungristed = replace_grist(p, '')
if 'dependency' in att:
# the value of a dependency feature is a target
# and must be actualized
# FIXME: verify that 'find' actually works, ick!
result.append(manager.targets().find(ungristed).actualize())
elif 'path' in att or 'free' in att:
values = []
# Treat features with && in the value
# specially -- each &&-separated element is considered
# separate value. This is needed to handle searched
# libraries, which must be in specific order.
if not __re_two_ampersands.search(ungristed):
values.append(ungristed)
else:
values.extend(value.split('&&'))
result.extend(values)
else:
result.append(ungristed)
else:
result.append(value)
return result
def __handle_flag_value (manager, value, properties):
result = []
if get_grist (value):
matches = property.select (value, properties)
for p in matches:
att = feature.attributes (get_grist (p))
ungristed = replace_grist (p, '')
if 'dependency' in att:
# the value of a dependency feature is a target
# and must be actualized
# FIXME: verify that 'find' actually works, ick!
result.append (manager.targets ().find (ungristed).actualize ())
elif 'path' in att or 'free' in att:
values = []
# Treat features with && in the value
# specially -- each &&-separated element is considered
# separate value. This is needed to handle searched
# libraries, which must be in specific order.
if not __re_two_ampersands.search (ungristed):
values.append (ungristed)
else:
values.extend(value.split ('&&'))
result.extend(values)
else:
result.append (ungristed)
else:
result.append (value)
return result
