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July 15, 2018 03:06
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| import winreg | |
| root_key = "SYSTEM\\CurrentControlSet" | |
| w = winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE) | |
| parents = {} | |
| # Look up VID/PID/SERIAL | |
| enum_usb_key_string = "{}\\{}".format(root_key, "Enum\\USB") | |
| usb_key = winreg.OpenKey(w, enum_usb_key_string) | |
| for vp_index in range(winreg.QueryInfoKey(usb_key)[0]): | |
| key_val = winreg.EnumKey(usb_key, vp_index) | |
| if "VID_0A5F" not in key_val: | |
| continue | |
| # print("key_val: " + key_val) | |
| vid_pid_string = "{}\\{}".format(enum_usb_key_string, key_val) | |
| p_serial_key = winreg.OpenKey(w, vid_pid_string) | |
| p_serial_count = winreg.QueryInfoKey(p_serial_key)[0] | |
| # print("serial_count: {}".format(p_serial_count)) | |
| for s_index in range(p_serial_count): # Might be more than one serial for VID/PID pair | |
| p_serial = winreg.EnumKey(p_serial_key, s_index) | |
| # print("serial: " + p_serial) | |
| p_dev_key = winreg.OpenKey(w, "{}\\{}".format(vid_pid_string, p_serial)) | |
| p_dev_value_count = winreg.QueryInfoKey(p_dev_key)[1] | |
| # print(winreg.QueryInfoKey(p_dev_key)) | |
| for dev_value_index in range(p_dev_value_count): | |
| value = winreg.EnumValue(p_dev_key, dev_value_index) | |
| if "ParentIdPrefix" == value[0]: | |
| parents[value[1].upper()] = { 'serial': p_serial } | |
| # print("dev_value_index {}: ".format(dev_value_index) + str()) | |
| # LOOK UP PRINTER MIDDLEWARE | |
| up_root_key_string = "{}\\{}".format(root_key, "Enum\\USBPRINT") | |
| up_root_key = winreg.OpenKey(w, up_root_key_string) | |
| for up_index in range(winreg.QueryInfoKey(up_root_key)[0]): | |
| p_name = winreg.EnumKey(up_root_key, up_index) # e.g. Zebra_TechnologiesZTC_GK420d | |
| # print("key_val: " + key_val) | |
| p_name_key_string = "{}\\{}".format(up_root_key_string, p_name) | |
| p_name_key = winreg.OpenKey(w, p_name_key_string) | |
| dev_count = winreg.QueryInfoKey(p_name_key)[0] | |
| # print("serial_count: {}".format(p_serial_count)) | |
| for parent_index in range(dev_count): # Might be more than one parent for name of device | |
| parent_string_full = winreg.EnumKey(p_name_key, parent_index) | |
| # print("parent_string_full: " + parent_string_full) | |
| parent_parts = parent_string_full.split('&') | |
| # print("parts: {}".format(parent_parts)) | |
| port = parent_parts[3] | |
| translated_key = '&'.join(parent_parts[:3]).upper() | |
| parents[translated_key]['port'] = port | |
| # print("translated: {}".format(translated_key)) | |
| p_dev_key = winreg.OpenKey(w, "{}\\{}".format(p_name_key_string, parent_string_full)) | |
| p_dev_value_count = winreg.QueryInfoKey(p_dev_key)[1] | |
| # print(winreg.QueryInfoKey(p_dev_key)) | |
| for dev_value_index in range(p_dev_value_count): | |
| value = winreg.EnumValue(p_dev_key, dev_value_index) | |
| if "DeviceDesc" == value[0]: | |
| parents[translated_key]['desc'] = value[1] | |
| # print("dev_value_index {}: ".format(dev_value_index) + str()) | |
| # LOOK UP PRINTERS THEMSELVES | |
| p_root_key_string = "{}\\{}".format(root_key, "Control\\Print\\Printers") | |
| p_root_key = winreg.OpenKey(w, p_root_key_string) | |
| for p_index in range(winreg.QueryInfoKey(p_root_key)[0]): | |
| p_name = winreg.EnumKey(p_root_key, p_index) # e.g. Zebra_TechnologiesZTC_GK420d | |
| # print("key_val: " + key_val) | |
| pnp_string = "{}\\{}\\{}".format(p_root_key_string, p_name, 'PnPData') | |
| # print('pnp_string ' + pnp_string) | |
| pnp_key = winreg.OpenKey(w, pnp_string) | |
| subval_count = winreg.QueryInfoKey(pnp_key)[1] | |
| # print("serial_count: {}".format(p_serial_count)) | |
| for subval_index in range(subval_count): | |
| subval_key = winreg.EnumValue(pnp_key, subval_index) # Looking for PnPData | |
| # print('subval_key {}'.format(subval_key)) | |
| if subval_key[0] != 'DeviceInstanceId': | |
| continue | |
| instance_id_parts = subval_key[1].split('\\') | |
| parent_parts = instance_id_parts[2].split('&') | |
| # port = parent_parts[3] | |
| translated_key = '&'.join(parent_parts[:3]).upper() | |
| # print('translated_key: {}'.format(translated_key)) | |
| if parents.get(translated_key) is None: | |
| continue | |
| parents[translated_key]['name'] = p_name | |
| break | |
| printers = {} | |
| for parent, data in parents.items(): | |
| printers[data['serial']] = { 'name': data['name'] ,'port': data['port'] } | |
| for p, data in printers.items(): | |
| print('{} {}'.format(p, data)) |
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