kopia lustrzana https://github.com/espressif/esp-idf
85 wiersze
2.7 KiB
Python
85 wiersze
2.7 KiB
Python
# SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Apache-2.0
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"""
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Internal use only.
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This file implements controlling APC PDU via telnet.
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"""
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import telnetlib
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class Control(object):
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""" control APC via telnet """
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@classmethod
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def apc_telnet_make_choice(cls, telnet, choice):
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""" select a choice """
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telnet.read_until(b'Event Log')
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telnet.read_until(b'>')
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telnet.write(choice.encode() + b'\r\n')
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@classmethod
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def apc_telnet_common_action(cls, telnet, check_str, action):
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""" wait until a pattern and then write a line """
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telnet.read_until(check_str.encode())
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telnet.write(action.encode() + b'\r\n')
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@classmethod
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def control(cls, apc_ip, control_dict):
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"""
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control APC
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:param apc_ip: IP of APC
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:param control_dict: dict with outlet ID and "ON" or "OFF"
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"""
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for _outlet in control_dict:
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assert 0 < _outlet < 9
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assert control_dict[_outlet] in ['ON', 'OFF']
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# telnet
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# set timeout as 2s so that it won't waste time even can't access APC
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tn = telnetlib.Telnet(host=apc_ip, timeout=5)
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# log on
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cls.apc_telnet_common_action(tn, 'User Name :', 'apc')
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cls.apc_telnet_common_action(tn, 'Password :', 'apc')
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# go to Device Manager
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cls.apc_telnet_make_choice(tn, '1')
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# go to Outlet Management
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cls.apc_telnet_make_choice(tn, '2')
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# go to Outlet Control/Configuration
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cls.apc_telnet_make_choice(tn, '1')
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# do select Outlet and control
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for _outlet in control_dict:
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# choose Outlet
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cls.apc_telnet_make_choice(tn, str(_outlet))
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# choose Control Outlet
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cls.apc_telnet_make_choice(tn, '1')
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# choose action
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_action = control_dict[_outlet]
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if 'ON' in _action:
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cls.apc_telnet_make_choice(tn, '1')
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else:
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cls.apc_telnet_make_choice(tn, '2')
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# do confirm
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cls.apc_telnet_common_action(tn, 'cancel :', 'YES')
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cls.apc_telnet_common_action(tn, 'continue...', '')
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# return to Outlet Control/Configuration
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cls.apc_telnet_make_choice(tn, '\033')
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cls.apc_telnet_make_choice(tn, '\033')
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# exit to main menu and logout
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tn.write(b'\033\r\n')
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tn.write(b'\033\r\n')
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tn.write(b'\033\r\n')
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tn.write(b'4\r\n')
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@classmethod
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def control_rest(cls, apc_ip, outlet, action):
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outlet_list = list(range(1, 9)) # has to be a list if we want to remove from it under Python 3
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outlet_list.remove(outlet)
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cls.control(apc_ip, dict.fromkeys(outlet_list, action))
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