def _get_app_node(self, network_node, app):
assert self._lock.locked()
name = "a%s" % app
if network_node.has_child(name):
return network_node.get_child(name)
# Obviously an app factory based on app id, someday...
application_node = Application()
application_node.configure({"parent": network_node, "name": name, "app": app})
application_node.start()
return application_node
def _get_app_node(self, network_node, app):
assert self._lock.locked()
name = "a%s" % app
if network_node.has_child(name):
return network_node.get_child(name)
# Obviously an app factory based on app id, someday...
application_node = Application()
application_node.configure({
"parent": network_node,
"name": name,
"app": app
})
application_node.start()
return application_node
def main():
# Set command line arguments.
parser = argparse.ArgumentParser(
prog="Library Management",
description="""
Library management program utilizing XML human readable storage. Submitting no arguments displays menu.
For a new element to be added to a library file, it should be passed as a string containing the element as a python dictionary.
Dictionary syntax is specific to the target library type.
""",
epilog="Developed by Evangelos Channakis.")
excluegroup1 = parser.add_mutually_exclusive_group()
excluegroup1.add_argument("-c",
"--configure",
action="store_true",
help="create or reset configuration.")
excluegroup1.add_argument("-l",
"--load",
help="load library of type 'LOAD'.")
excluegroup1.add_argument("--validate-configuration",
action="store_true",
help="validate configuration.")
excluegroup2 = parser.add_mutually_exclusive_group()
excluegroup2.add_argument("--add",
help="add item 'ADD' to the loaded library.")
excluegroup2.add_argument(
"--remove", help="remove item 'REMOVE' from the loaded library.")
excluegroup2.add_argument(
"--search",
help=
"search in elements 'SEARCH' of the loaded library and show results in ascending order."
)
excluegroup2.add_argument("--show",
help="show specific item of the loaded library.")
excluegroup2.add_argument(
"--show-all",
action="store_true",
help=
"show all items of the loaded library sorted by the default element in ascending order."
)
excluegroup2.add_argument(
"--show-all-by",
help=
"show all items of the loaded library sorted by 'SHOW_ALL_BY' element in ascending order."
)
excluegroup3 = parser.add_mutually_exclusive_group()
excluegroup3.add_argument(
"--export-csv", help="export loaded library to file 'EXPORT_CSV'.")
excluegroup3.add_argument(
"--import-csv", help="import file 'IMPORT_CSV' to the loaded library.")
parser.add_argument("--reverse",
action="store_true",
help="sort items in reverse (descending) order.")
parser.add_argument("--value", help="the 'VALUE' to search for.")
parser.add_argument("--version",
action="version",
version="%(prog)s 0.8.0")
args = parser.parse_args()
# Create Application object app.
app = Application()
# React to arguments passed.
if args.configure:
print("Reconfiguring the application...")
app.configure()
print("...finished.")
return
if args.validate_configuration:
print("Validating configuration...")
app.validate_configuration()
return
if args.load:
if args.export_csv:
app.get_manager(args.load.lower()).show_export_csv(args.export_csv)
elif args.import_csv:
app.get_manager(args.load.lower()).show_import_csv(args.import_csv)
elif args.show_all:
app.get_manager(args.load.lower()).show_all_elements(
ascending=not args.reverse)
elif args.show_all_by:
app.get_manager(args.load.lower()).show_all_elements(
args.show_all_by, not args.reverse)
elif args.show:
app.get_manager(args.load.lower()).show_element(args.show)
elif args.search:
if args.value:
app.get_manager(args.load.lower()).show_search_elements(
args.search, args.value, not args.reverse)
else:
print("No value to search for. Please use argument --value.")
elif args.add:
app.get_manager(args.load.lower()).show_add_element(
ast.literal_eval(args.add))
elif args.remove:
app.get_manager(args.load.lower()).show_remove_element(args.remove)
else:
app.load_library(args.load.lower())
return
# Incorectly used options.
if args.export_csv:
# There is no library loaded.
print("Argument --export-csv, should be used with argument --load.")
return
if args.import_csv:
print("Argument --import-csv, should be used with argument --load.")
return
if args.add:
# There is no library loaded.
print("Argument --add, should be used with argument --load.")
return
if args.remove:
# There is no library loaded.
print("Argument --remove, should be used with argument --load.")
return
if args.show_all:
# There is no library loaded.
print("Argument --show_all, should be used with argument --load.")
return
if args.show_all_by:
# There is no library loaded.
print("Argument --show_all_by, should be used with argument --load.")
return
if args.show:
# There is no library loaded.
print("Argument --show, should be used with argument --load.")
return
if args.search:
# There is no library loaded.
print("Argument --search, should be used with argument --load.")
return
if args.value:
print("Argument --value, should be used with argument --search.")
return
if args.reverse:
print(
"Argument --reverse, should be used with arguments --search, --show-all and --show-all-by."
)
return
# Display menu
app.show_menu()
