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Make yaml config parser errors look less like bugs. (#1776)

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Instead of nested tracebacks, show a simpler error message.

    Config directory: /home/user/.homeassistant
    ERROR:homeassistant.util.yaml:duplicate key: "script"
      in "/home/user/.homeassistant/configuration.yaml", line 95, column 0
      in "/home/user/.homeassistant/configuration.yaml", line 108, column 0
This commit is contained in:
Jan Harkes 2016-04-09 18:25:01 -04:00 committed by Paulus Schoutsen
parent b87e2437aa
commit 73859f59f0
2 changed files with 14 additions and 8 deletions
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6
homeassistant/bootstrap.py
View File

@ -22,6 +22,7 @@ from homeassistant.const import (
CONF_CUSTOMIZE, CONF_LATITUDE, CONF_LONGITUDE, CONF_NAME,
CONF_TEMPERATURE_UNIT, CONF_TIME_ZONE, EVENT_COMPONENT_LOADED,
TEMP_CELCIUS, TEMP_FAHRENHEIT, PLATFORM_FORMAT, __version__)
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers import (
event_decorators, service, config_per_platform, extract_domain_configs)
from homeassistant.helpers.entity import Entity
@ -293,7 +294,10 @@ def from_config_file(config_path, hass=None, verbose=False, daemon=False,
enable_logging(hass, verbose, daemon, log_rotate_days)
config_dict = config_util.load_yaml_config_file(config_path)
try:
config_dict = config_util.load_yaml_config_file(config_path)
except HomeAssistantError:
return None
return from_config_dict(config_dict, hass, enable_log=False,
skip_pip=skip_pip)

16
homeassistant/util/yaml.py
View File

@ -29,10 +29,9 @@ def load_yaml(fname):
# If configuration file is empty YAML returns None
# We convert that to an empty dict
return yaml.load(conf_file, Loader=SafeLineLoader) or {}
except yaml.YAMLError:
error = 'Error reading YAML configuration file {}'.format(fname)
_LOGGER.exception(error)
raise HomeAssistantError(error)
except yaml.YAMLError as exc:
_LOGGER.error(exc)
raise HomeAssistantError(exc)
def _include_yaml(loader, node):
@ -55,9 +54,12 @@ def _ordered_dict(loader, node):
line = getattr(node, '__line__', 'unknown')
if key in seen:
fname = getattr(loader.stream, 'name', '')
raise yaml.YAMLError("ERROR: duplicate key: \"{}\""
" in {} line {} and {}"
.format(key, fname, seen[key], line))
first_mark = yaml.Mark(fname, 0, seen[key], -1, None, None)
second_mark = yaml.Mark(fname, 0, line, -1, None, None)
raise yaml.MarkedYAMLError(
context="duplicate key: \"{}\"".format(key),
context_mark=first_mark, problem_mark=second_mark,
)
seen[key] = line
return OrderedDict(nodes)