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from configshell_fb import ConfigNode
from gwcli.utils import console_message
import logging
__author__ = 'Paul Cuzner'
class UICommon(ConfigNode):
def __init__(self, name, parent=None, shell=None):
ConfigNode.__init__(self, name, parent, shell)
self.logger = logging.getLogger('gwcli')
def ui_command_goto(self, shortcut='/'):
'''
cd to the bookmark at shortcut.
See 'help bookmarks' for more info on bookmarks.
'''
if shortcut in self.shell.prefs['bookmarks']:
return self.ui_command_cd(self.shell.prefs['bookmarks'][shortcut])
else:
pass
def get_ui_root(self):
found = False
obj = self
while not found:
if obj.__class__.__name__ == 'ISCSIRoot':
break
obj = obj.parent
return obj
class UIGroup(UICommon):
def __init__(self, name, parent=None, shell=None):
UICommon.__init__(self, name, parent, shell)
self.http_mode = self.parent.http_mode
def reset(self):
children = set(self.children) # set of child objects
for child in children:
self.remove_child(child)
class UINode(UIGroup):
display_attributes = None
def __init__(self, name, parent):
UIGroup.__init__(self, name, parent)
self.http_mode = self.parent.http_mode
def ui_command_info(self):
"""
Show the attributes of the current object.
"""
text = self.get_info()
console_message(text)
def get_info(self):
"""
extract the relevant display fields from the object and format
ready for printing
:return: (str) object meta data based on object's display_attributes
list
"""
display_text = ''
if not self.display_attributes:
return "'info' not available for this item"
field_list = self.display_attributes
max_field_size = len(max(field_list, key=len))
for k in field_list:
attr_label = k.replace('_', ' ').title()
attr_value = getattr(self, k)
if isinstance(attr_value, dict):
if attr_value:
display_text += "{}\n".format(attr_label)
max_dict_field = len(max(attr_value.keys(), key=len))
for dict_key in sorted(attr_value):
if isinstance(attr_value[dict_key], dict):
inner_dict = attr_value[dict_key]
display_value = ", ".join(["=".join(
[key, str(val)]) for key, val in inner_dict.items()])
display_text += ("- {:<{}} .. {}\n".format(dict_key,
max_dict_field,
display_value))
else:
display_text += ("- {} .. {}\n".format(dict_key,
attr_value[dict_key]))
continue
else:
attr_value = 'UNDEFINED\n'
if isinstance(attr_value, list):
item_1 = True
attr_string = ''
for item in attr_value:
if item_1:
attr_string = "{}\n".format(str(item))
item_1 = False
else:
attr_string += "{}{}\n".format(" " * (max_field_size + 4),
str(item))
attr_value = attr_string[:-1]
display_text += ("{:<{}} .. {}\n".format(attr_label,
max_field_size,
attr_value))
return display_text
class UIRoot(UICommon):
"""
The gwcli hierarchy root node.
"""
def __init__(self, shell, as_root=False):
UICommon.__init__(self, '/', shell=shell)
self.as_root = as_root
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