esphome/esphomeyaml/core.py
Otto Winter 176c712eeb
Disable MQTT if not used (#373)
* Disable MQTT if not used

* Lint
2019-01-29 17:29:21 +01:00

440 lines
14 KiB
Python

import collections
from collections import OrderedDict
import inspect
import logging
import math
import os
import re
from esphomeyaml.const import CONF_ARDUINO_VERSION, CONF_ESPHOMELIB_VERSION, CONF_ESPHOMEYAML, \
CONF_LOCAL, CONF_WIFI, ESP_PLATFORM_ESP32, ESP_PLATFORM_ESP8266
from esphomeyaml.helpers import ensure_unique_string
# pylint: disable=unused-import, wrong-import-order
from typing import Any, Dict, List # noqa
from esphomeyaml.py_compat import integer_types, IS_PY2
_LOGGER = logging.getLogger(__name__)
class EsphomeyamlError(Exception):
"""General esphomeyaml exception occurred."""
if IS_PY2:
base_int = long
else:
base_int = int
class HexInt(base_int):
def __str__(self):
if 0 <= self <= 255:
return "0x{:02X}".format(self)
return "0x{:X}".format(self)
class IPAddress(object):
def __init__(self, *args):
if len(args) != 4:
raise ValueError(u"IPAddress must consist up 4 items")
self.args = args
def __str__(self):
return '.'.join(str(x) for x in self.args)
class MACAddress(object):
def __init__(self, *parts):
if len(parts) != 6:
raise ValueError(u"MAC Address must consist of 6 items")
self.parts = parts
def __str__(self):
return ':'.join('{:02X}'.format(part) for part in self.parts)
def as_hex(self):
from esphomeyaml.cpp_generator import RawExpression
num = ''.join('{:02X}'.format(part) for part in self.parts)
return RawExpression('0x{}ULL'.format(num))
def is_approximately_integer(value):
if isinstance(value, integer_types):
return True
return abs(value - round(value)) < 0.001
class TimePeriod(object):
def __init__(self, microseconds=None, milliseconds=None, seconds=None,
minutes=None, hours=None, days=None):
if days is not None:
if not is_approximately_integer(days):
frac_days, days = math.modf(days)
hours = (hours or 0) + frac_days * 24
self.days = int(round(days))
else:
self.days = None
if hours is not None:
if not is_approximately_integer(hours):
frac_hours, hours = math.modf(hours)
minutes = (minutes or 0) + frac_hours * 60
self.hours = int(round(hours))
else:
self.hours = None
if minutes is not None:
if not is_approximately_integer(minutes):
frac_minutes, minutes = math.modf(minutes)
seconds = (seconds or 0) + frac_minutes * 60
self.minutes = int(round(minutes))
else:
self.minutes = None
if seconds is not None:
if not is_approximately_integer(seconds):
frac_seconds, seconds = math.modf(seconds)
milliseconds = (milliseconds or 0) + frac_seconds * 1000
self.seconds = int(round(seconds))
else:
self.seconds = None
if milliseconds is not None:
if not is_approximately_integer(milliseconds):
frac_milliseconds, milliseconds = math.modf(milliseconds)
microseconds = (microseconds or 0) + frac_milliseconds * 1000
self.milliseconds = int(round(milliseconds))
else:
self.milliseconds = None
if microseconds is not None:
if not is_approximately_integer(microseconds):
raise ValueError("Maximum precision is microseconds")
self.microseconds = int(round(microseconds))
else:
self.microseconds = None
def as_dict(self):
out = OrderedDict()
if self.microseconds is not None:
out['microseconds'] = self.microseconds
if self.milliseconds is not None:
out['milliseconds'] = self.milliseconds
if self.seconds is not None:
out['seconds'] = self.seconds
if self.minutes is not None:
out['minutes'] = self.minutes
if self.hours is not None:
out['hours'] = self.hours
if self.days is not None:
out['days'] = self.days
return out
def __str__(self):
if self.microseconds is not None:
return '{} us'.format(self.total_microseconds)
if self.milliseconds is not None:
return '{} ms'.format(self.total_milliseconds)
if self.seconds is not None:
return '{} s'.format(self.total_seconds)
if self.minutes is not None:
return '{} min'.format(self.total_minutes)
if self.hours is not None:
return '{} h'.format(self.total_hours)
if self.days is not None:
return '{} d'.format(self.total_days)
return '0'
@property
def total_microseconds(self):
return self.total_milliseconds * 1000 + (self.microseconds or 0)
@property
def total_milliseconds(self):
return self.total_seconds * 1000 + (self.milliseconds or 0)
@property
def total_seconds(self):
return self.total_minutes * 60 + (self.seconds or 0)
@property
def total_minutes(self):
return self.total_hours * 60 + (self.minutes or 0)
@property
def total_hours(self):
return self.total_days * 24 + (self.hours or 0)
@property
def total_days(self):
return self.days or 0
def __eq__(self, other):
if not isinstance(other, TimePeriod):
raise ValueError("other must be TimePeriod")
return self.total_microseconds == other.total_microseconds
def __ne__(self, other):
if not isinstance(other, TimePeriod):
raise ValueError("other must be TimePeriod")
return self.total_microseconds != other.total_microseconds
def __lt__(self, other):
if not isinstance(other, TimePeriod):
raise ValueError("other must be TimePeriod")
return self.total_microseconds < other.total_microseconds
def __gt__(self, other):
if not isinstance(other, TimePeriod):
raise ValueError("other must be TimePeriod")
return self.total_microseconds > other.total_microseconds
def __le__(self, other):
if not isinstance(other, TimePeriod):
raise ValueError("other must be TimePeriod")
return self.total_microseconds <= other.total_microseconds
def __ge__(self, other):
if not isinstance(other, TimePeriod):
raise ValueError("other must be TimePeriod")
return self.total_microseconds >= other.total_microseconds
class TimePeriodMicroseconds(TimePeriod):
pass
class TimePeriodMilliseconds(TimePeriod):
pass
class TimePeriodSeconds(TimePeriod):
pass
LAMBDA_PROG = re.compile(r'id\(\s*([a-zA-Z_][a-zA-Z0-9_]*)\s*\)(\.?)')
class Lambda(object):
def __init__(self, value):
self._value = value
self._parts = None
self._requires_ids = None
@property
def parts(self):
if self._parts is None:
self._parts = re.split(LAMBDA_PROG, self._value)
return self._parts
@property
def requires_ids(self):
if self._requires_ids is None:
self._requires_ids = [ID(self.parts[i]) for i in range(1, len(self.parts), 3)]
return self._requires_ids
@property
def value(self):
return self._value
@value.setter
def value(self, value):
self._value = value
self._parts = None
self._requires_ids = None
def __str__(self):
return self.value
def __repr__(self):
return u'Lambda<{}>'.format(self.value)
class ID(object):
def __init__(self, id, is_declaration=False, type=None):
self.id = id
self.is_manual = id is not None
self.is_declaration = is_declaration
self.type = type
def resolve(self, registered_ids):
if self.id is None:
base = str(self.type).replace('::', '_').lower()
name = ''.join(c for c in base if c.isalnum() or c == '_')
self.id = ensure_unique_string(name, registered_ids)
return self.id
def __str__(self):
if self.id is None:
return ''
return self.id
def __repr__(self):
return u'ID<{} declaration={}, type={}, manual={}>'.format(
self.id, self.is_declaration, self.type, self.is_manual)
def __eq__(self, other):
if not isinstance(other, ID):
raise ValueError("other must be ID")
return self.id == other.id
def __hash__(self):
return hash(self.id)
# pylint: disable=too-many-instance-attributes
class EsphomeyamlCore(object):
def __init__(self):
# True if command is run from dashboard
self.dashboard = False
# The name of the node
self.name = None # type: str
# The relative path to the configuration YAML
self.config_path = None # type: str
# The relative path to where all build files are stored
self.build_path = None # type: str
# The platform (ESP8266, ESP32) of this device
self.esp_platform = None # type: str
# The board that's used (for example nodemcuv2)
self.board = None # type: str
# The full raw configuration
self.raw_config = {} # type: ConfigType
# The validated configuration, this is None until the config has been validated
self.config = {} # type: ConfigType
# The pending tasks in the task queue (mostly for C++ generation)
self.pending_tasks = collections.deque()
# The variable cache, for each ID this holds a MockObj of the variable obj
self.variables = {} # type: Dict[str, MockObj]
# The list of expressions for the C++ generation
self.expressions = [] # type: List[Expression]
@property
def address(self): # type: () -> str
from esphomeyaml.components import wifi
if 'wifi' in self.config:
return wifi.get_upload_host(self.config[CONF_WIFI])
if 'ethernet' in self.config:
return wifi.get_upload_host(self.config['ethernet'])
return None
@property
def esphomelib_version(self): # type: () -> Dict[str, str]
return self.config[CONF_ESPHOMEYAML][CONF_ESPHOMELIB_VERSION]
@property
def is_local_esphomelib_copy(self):
return CONF_LOCAL in self.esphomelib_version
@property
def arduino_version(self): # type: () -> str
return self.config[CONF_ESPHOMEYAML][CONF_ARDUINO_VERSION]
@property
def config_dir(self):
return os.path.dirname(self.config_path)
@property
def config_filename(self):
return os.path.basename(self.config_path)
def relative_path(self, *path):
path_ = os.path.expanduser(os.path.join(*path))
return os.path.join(self.config_dir, path_)
def relative_build_path(self, *path):
path_ = os.path.expanduser(os.path.join(*path))
return os.path.join(self.build_path, path_)
@property
def firmware_bin(self):
return self.relative_build_path('.pioenvs', self.name, 'firmware.bin')
@property
def is_esp8266(self):
if self.esp_platform is None:
raise ValueError
return self.esp_platform == ESP_PLATFORM_ESP8266
@property
def is_esp32(self):
if self.esp_platform is None:
raise ValueError
return self.esp_platform == ESP_PLATFORM_ESP32
def add_job(self, func, *args, **kwargs):
domain = kwargs.get('domain')
if inspect.isgeneratorfunction(func):
def func_():
yield
for _ in func(*args):
yield
else:
def func_():
yield
func(*args)
gen = func_()
self.pending_tasks.append((gen, domain))
return gen
def flush_tasks(self):
i = 0
while self.pending_tasks:
i += 1
if i > 1000000:
raise EsphomeyamlError("Circular dependency detected!")
task, domain = self.pending_tasks.popleft()
_LOGGER.debug("Executing task for domain=%s", domain)
try:
next(task)
self.pending_tasks.append((task, domain))
except StopIteration:
_LOGGER.debug(" -> %s finished", domain)
def add(self, expression, require=True):
from esphomeyaml.cpp_generator import Expression
if require and isinstance(expression, Expression):
expression.require()
self.expressions.append(expression)
_LOGGER.debug("Adding: %s", expression)
return expression
def get_variable(self, id):
while True:
if id in self.variables:
yield self.variables[id]
return
_LOGGER.debug("Waiting for variable %s", id)
yield None
def get_variable_with_full_id(self, id):
while True:
if id in self.variables:
for k, v in self.variables.items():
if k == id:
yield (k, v)
return
_LOGGER.debug("Waiting for variable %s", id)
yield None, None
def register_variable(self, id, obj):
if id in self.variables:
raise EsphomeyamlError("ID {} is already registered".format(id))
_LOGGER.debug("Registered variable %s of type %s", id.id, id.type)
self.variables[id] = obj
def has_id(self, id):
return id in self.variables
CORE = EsphomeyamlCore()
ConfigType = Dict[str, Any]
CoreType = EsphomeyamlCore