esphome/esphome/components/logger/__init__.py
Otto Winter 056c72d50d
Drop Python 2 Support (#793)
* Remove Python 2 support

* Remove u-strings

* Remove docker symlinks

* Remove from travis

* Update requirements

* Upgrade flake8/pylint

* Fixes

* Manual

* Run pyupgrade

* Lint

* Remove base_int

* Fix

* Update platformio_api.py

* Update component.cpp
2019-12-07 18:28:55 +01:00

203 lines
8 KiB
Python

import re
import esphome.codegen as cg
import esphome.config_validation as cv
from esphome import automation
from esphome.automation import LambdaAction
from esphome.const import CONF_ARGS, CONF_BAUD_RATE, CONF_FORMAT, CONF_HARDWARE_UART, CONF_ID, \
CONF_LEVEL, CONF_LOGS, CONF_ON_MESSAGE, CONF_TAG, CONF_TRIGGER_ID, CONF_TX_BUFFER_SIZE
from esphome.core import CORE, EsphomeError, Lambda, coroutine_with_priority
logger_ns = cg.esphome_ns.namespace('logger')
LOG_LEVELS = {
'NONE': cg.global_ns.ESPHOME_LOG_LEVEL_NONE,
'ERROR': cg.global_ns.ESPHOME_LOG_LEVEL_ERROR,
'WARN': cg.global_ns.ESPHOME_LOG_LEVEL_WARN,
'INFO': cg.global_ns.ESPHOME_LOG_LEVEL_INFO,
'DEBUG': cg.global_ns.ESPHOME_LOG_LEVEL_DEBUG,
'VERBOSE': cg.global_ns.ESPHOME_LOG_LEVEL_VERBOSE,
'VERY_VERBOSE': cg.global_ns.ESPHOME_LOG_LEVEL_VERY_VERBOSE,
}
LOG_LEVEL_TO_ESP_LOG = {
'ERROR': cg.global_ns.ESP_LOGE,
'WARN': cg.global_ns.ESP_LOGW,
'INFO': cg.global_ns.ESP_LOGI,
'DEBUG': cg.global_ns.ESP_LOGD,
'VERBOSE': cg.global_ns.ESP_LOGV,
'VERY_VERBOSE': cg.global_ns.ESP_LOGVV,
}
LOG_LEVEL_SEVERITY = ['NONE', 'ERROR', 'WARN', 'INFO', 'CONFIG', 'DEBUG', 'VERBOSE', 'VERY_VERBOSE']
UART_SELECTION_ESP32 = ['UART0', 'UART1', 'UART2']
UART_SELECTION_ESP8266 = ['UART0', 'UART0_SWAP', 'UART1']
HARDWARE_UART_TO_UART_SELECTION = {
'UART0': logger_ns.UART_SELECTION_UART0,
'UART0_SWAP': logger_ns.UART_SELECTION_UART0_SWAP,
'UART1': logger_ns.UART_SELECTION_UART1,
'UART2': logger_ns.UART_SELECTION_UART2,
}
HARDWARE_UART_TO_SERIAL = {
'UART0': cg.global_ns.Serial,
'UART0_SWAP': cg.global_ns.Serial,
'UART1': cg.global_ns.Serial1,
'UART2': cg.global_ns.Serial2,
}
is_log_level = cv.one_of(*LOG_LEVELS, upper=True)
def uart_selection(value):
if CORE.is_esp32:
return cv.one_of(*UART_SELECTION_ESP32, upper=True)(value)
if CORE.is_esp8266:
return cv.one_of(*UART_SELECTION_ESP8266, upper=True)(value)
raise NotImplementedError
def validate_local_no_higher_than_global(value):
global_level = value.get(CONF_LEVEL, 'DEBUG')
for tag, level in value.get(CONF_LOGS, {}).items():
if LOG_LEVEL_SEVERITY.index(level) > LOG_LEVEL_SEVERITY.index(global_level):
raise EsphomeError("The local log level {} for {} must be less severe than the "
"global log level {}.".format(level, tag, global_level))
return value
Logger = logger_ns.class_('Logger', cg.Component)
LoggerMessageTrigger = logger_ns.class_('LoggerMessageTrigger',
automation.Trigger.template(cg.int_, cg.const_char_ptr,
cg.const_char_ptr))
CONF_ESP8266_STORE_LOG_STRINGS_IN_FLASH = 'esp8266_store_log_strings_in_flash'
CONFIG_SCHEMA = cv.All(cv.Schema({
cv.GenerateID(): cv.declare_id(Logger),
cv.Optional(CONF_BAUD_RATE, default=115200): cv.positive_int,
cv.Optional(CONF_TX_BUFFER_SIZE, default=512): cv.validate_bytes,
cv.Optional(CONF_HARDWARE_UART, default='UART0'): uart_selection,
cv.Optional(CONF_LEVEL, default='DEBUG'): is_log_level,
cv.Optional(CONF_LOGS, default={}): cv.Schema({
cv.string: is_log_level,
}),
cv.Optional(CONF_ON_MESSAGE): automation.validate_automation({
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(LoggerMessageTrigger),
cv.Optional(CONF_LEVEL, default='WARN'): is_log_level,
}),
cv.SplitDefault(CONF_ESP8266_STORE_LOG_STRINGS_IN_FLASH, esp8266=True):
cv.All(cv.only_on_esp8266, cv.boolean),
}).extend(cv.COMPONENT_SCHEMA), validate_local_no_higher_than_global)
@coroutine_with_priority(90.0)
def to_code(config):
baud_rate = config[CONF_BAUD_RATE]
rhs = Logger.new(baud_rate,
config[CONF_TX_BUFFER_SIZE],
HARDWARE_UART_TO_UART_SELECTION[config[CONF_HARDWARE_UART]])
log = cg.Pvariable(config[CONF_ID], rhs)
cg.add(log.pre_setup())
for tag, level in config[CONF_LOGS].items():
cg.add(log.set_log_level(tag, LOG_LEVELS[level]))
level = config[CONF_LEVEL]
cg.add_define('USE_LOGGER')
this_severity = LOG_LEVEL_SEVERITY.index(level)
cg.add_build_flag('-DESPHOME_LOG_LEVEL={}'.format(LOG_LEVELS[level]))
verbose_severity = LOG_LEVEL_SEVERITY.index('VERBOSE')
very_verbose_severity = LOG_LEVEL_SEVERITY.index('VERY_VERBOSE')
is_at_least_verbose = this_severity >= verbose_severity
is_at_least_very_verbose = this_severity >= very_verbose_severity
has_serial_logging = baud_rate != 0
if CORE.is_esp8266 and has_serial_logging and is_at_least_verbose:
debug_serial_port = HARDWARE_UART_TO_SERIAL[config.get(CONF_HARDWARE_UART)]
cg.add_build_flag(f"-DDEBUG_ESP_PORT={debug_serial_port}")
cg.add_build_flag("-DLWIP_DEBUG")
DEBUG_COMPONENTS = {
'HTTP_CLIENT',
'HTTP_SERVER',
'HTTP_UPDATE',
'OTA',
'SSL',
'TLS_MEM',
'UPDATER',
'WIFI',
# Spams logs too much:
# 'MDNS_RESPONDER',
}
for comp in DEBUG_COMPONENTS:
cg.add_build_flag(f"-DDEBUG_ESP_{comp}")
if CORE.is_esp32 and is_at_least_verbose:
cg.add_build_flag('-DCORE_DEBUG_LEVEL=5')
if CORE.is_esp32 and is_at_least_very_verbose:
cg.add_build_flag('-DENABLE_I2C_DEBUG_BUFFER')
if config.get(CONF_ESP8266_STORE_LOG_STRINGS_IN_FLASH):
cg.add_build_flag('-DUSE_STORE_LOG_STR_IN_FLASH')
# Register at end for safe mode
yield cg.register_component(log, config)
for conf in config.get(CONF_ON_MESSAGE, []):
trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], log,
LOG_LEVEL_SEVERITY.index(conf[CONF_LEVEL]))
yield automation.build_automation(trigger, [(cg.int_, 'level'),
(cg.const_char_ptr, 'tag'),
(cg.const_char_ptr, 'message')], conf)
def maybe_simple_message(schema):
def validator(value):
if isinstance(value, dict):
return cv.Schema(schema)(value)
return cv.Schema(schema)({CONF_FORMAT: value})
return validator
def validate_printf(value):
# https://stackoverflow.com/questions/30011379/how-can-i-parse-a-c-format-string-in-python
# pylint: disable=anomalous-backslash-in-string
cfmt = """\
( # start of capture group 1
% # literal "%"
(?: # first option
(?:[-+0 #]{0,5}) # optional flags
(?:\d+|\*)? # width
(?:\.(?:\d+|\*))? # precision
(?:h|l|ll|w|I|I32|I64)? # size
[cCdiouxXeEfgGaAnpsSZ] # type
) | # OR
%%) # literal "%%"
""" # noqa
matches = re.findall(cfmt, value[CONF_FORMAT], flags=re.X)
if len(matches) != len(value[CONF_ARGS]):
raise cv.Invalid("Found {} printf-patterns ({}), but {} args were given!"
"".format(len(matches), ', '.join(matches), len(value[CONF_ARGS])))
return value
CONF_LOGGER_LOG = 'logger.log'
LOGGER_LOG_ACTION_SCHEMA = cv.All(maybe_simple_message({
cv.Required(CONF_FORMAT): cv.string,
cv.Optional(CONF_ARGS, default=list): cv.ensure_list(cv.lambda_),
cv.Optional(CONF_LEVEL, default="DEBUG"): cv.one_of(*LOG_LEVEL_TO_ESP_LOG, upper=True),
cv.Optional(CONF_TAG, default="main"): cv.string,
}), validate_printf)
@automation.register_action(CONF_LOGGER_LOG, LambdaAction, LOGGER_LOG_ACTION_SCHEMA)
def logger_log_action_to_code(config, action_id, template_arg, args):
esp_log = LOG_LEVEL_TO_ESP_LOG[config[CONF_LEVEL]]
args_ = [cg.RawExpression(str(x)) for x in config[CONF_ARGS]]
text = str(cg.statement(esp_log(config[CONF_TAG], config[CONF_FORMAT], *args_)))
lambda_ = yield cg.process_lambda(Lambda(text), args, return_type=cg.void)
yield cg.new_Pvariable(action_id, template_arg, lambda_)