tomaae.homeassistant-mikrot.../custom_components/mikrotik_router/apiparser.py
2022-02-02 22:01:12 +01:00

304 lines
8 KiB
Python

"""API parser functions for Mikrotik Router."""
import logging
from voluptuous import Optional
_LOGGER = logging.getLogger(__name__)
# ---------------------------
# from_entry
# ---------------------------
def from_entry(entry, param, default="") -> str:
"""Validate and return str value from Mikrotik API dict"""
if param not in entry:
return default
return entry[param]
# ---------------------------
# from_entry_bool
# ---------------------------
def from_entry_bool(entry, param, default=False, reverse=False) -> bool:
"""Validate and return a bool value from a Mikrotik API dict"""
if param not in entry:
return default
if not reverse:
ret = entry[param]
else:
if entry[param]:
ret = False
else:
ret = True
return ret
# ---------------------------
# parse_api
# ---------------------------
def parse_api(
data=None,
source=None,
key=None,
key_secondary=None,
key_search=None,
vals=None,
val_proc=None,
ensure_vals=None,
only=None,
skip=None,
) -> dict:
"""Get data from API"""
if not source:
if not key and not key_search:
data = fill_defaults(data, vals)
return data
_LOGGER.debug("Processing source %s", source)
keymap = generate_keymap(data, key_search)
for entry in source:
if only and not matches_only(entry, only):
continue
if skip and can_skip(entry, skip):
continue
uid = None
if key or key_search:
uid = get_uid(entry, key, key_secondary, key_search, keymap)
if not uid:
continue
if uid not in data:
data[uid] = {}
_LOGGER.debug("Processing entry %s", entry)
if vals:
data = fill_vals(data, entry, uid, vals)
if ensure_vals:
data = fill_ensure_vals(data, uid, ensure_vals)
if val_proc:
data = fill_vals_proc(data, uid, val_proc)
return data
# ---------------------------
# get_uid
# ---------------------------
def get_uid(entry, key, key_secondary, key_search, keymap) -> Optional(str):
"""Get UID for data list"""
uid = None
if not key_search:
key_primary_found = True
if key not in entry:
key_primary_found = False
if key_primary_found and key not in entry and not entry[key]:
return None
if key_primary_found:
uid = entry[key]
elif key_secondary:
if key_secondary not in entry:
return None
if not entry[key_secondary]:
return None
uid = entry[key_secondary]
else:
if keymap and key_search in entry and entry[key_search] in keymap:
uid = keymap[entry[key_search]]
else:
return None
return uid if uid else None
# ---------------------------
# generate_keymap
# ---------------------------
def generate_keymap(data, key_search) -> Optional(dict):
"""Generate keymap"""
if not key_search:
return None
keymap = {}
for uid in data:
if key_search not in data[uid]:
continue
keymap[data[uid][key_search]] = uid
return keymap
# ---------------------------
# matches_only
# ---------------------------
def matches_only(entry, only) -> bool:
"""Return True if all variables are matched"""
ret = False
for val in only:
if val["key"] in entry and entry[val["key"]] == val["value"]:
ret = True
else:
ret = False
break
return ret
# ---------------------------
# can_skip
# ---------------------------
def can_skip(entry, skip) -> bool:
"""Return True if at least one variable matches"""
ret = False
for val in skip:
if val["name"] in entry and entry[val["name"]] == val["value"]:
ret = True
break
if val["value"] == "" and val["name"] not in entry:
ret = True
break
return ret
# ---------------------------
# fill_defaults
# ---------------------------
def fill_defaults(data, vals) -> dict:
"""Fill defaults if source is not present"""
for val in vals:
_name = val["name"]
_type = val["type"] if "type" in val else "str"
_source = val["source"] if "source" in val else _name
if _type == "str":
_default = val["default"] if "default" in val else ""
if "default_val" in val and val["default_val"] in val:
_default = val[val["default_val"]]
if _name not in data:
data[_name] = from_entry([], _source, default=_default)
elif _type == "bool":
_default = val["default"] if "default" in val else False
_reverse = val["reverse"] if "reverse" in val else False
if _name not in data:
data[_name] = from_entry_bool(
[], _source, default=_default, reverse=_reverse
)
return data
# ---------------------------
# fill_vals
# ---------------------------
def fill_vals(data, entry, uid, vals) -> dict:
"""Fill all data"""
for val in vals:
_name = val["name"]
_type = val["type"] if "type" in val else "str"
_source = val["source"] if "source" in val else _name
if _type == "str":
_default = val["default"] if "default" in val else ""
if "default_val" in val and val["default_val"] in val:
_default = val[val["default_val"]]
if uid:
data[uid][_name] = from_entry(entry, _source, default=_default)
else:
data[_name] = from_entry(entry, _source, default=_default)
elif _type == "bool":
_default = val["default"] if "default" in val else False
_reverse = val["reverse"] if "reverse" in val else False
if uid:
data[uid][_name] = from_entry_bool(
entry, _source, default=_default, reverse=_reverse
)
else:
data[_name] = from_entry_bool(
entry, _source, default=_default, reverse=_reverse
)
return data
# ---------------------------
# fill_ensure_vals
# ---------------------------
def fill_ensure_vals(data, uid, ensure_vals) -> dict:
"""Add required keys which are not available in data"""
for val in ensure_vals:
if uid:
if val["name"] not in data[uid]:
_default = val["default"] if "default" in val else ""
data[uid][val["name"]] = _default
else:
if val["name"] not in data:
_default = val["default"] if "default" in val else ""
data[val["name"]] = _default
return data
# ---------------------------
# fill_vals_proc
# ---------------------------
def fill_vals_proc(data, uid, vals_proc) -> dict:
"""Add custom keys"""
_data = data[uid] if uid else data
for val_sub in vals_proc:
_name = None
_action = None
_value = None
for val in val_sub:
if "name" in val:
_name = val["name"]
continue
if "action" in val:
_action = val["action"]
continue
if not _name and not _action:
break
if _action == "combine":
if "key" in val:
tmp = _data[val["key"]] if val["key"] in _data else "unknown"
if not _value:
_value = tmp
else:
_value = f"{_value}{tmp}"
if "text" in val:
tmp = val["text"]
if not _value:
_value = tmp
else:
_value = f"{_value}{tmp}"
if _name and _value:
if uid:
data[uid][_name] = _value
else:
data[_name] = _value
return data