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77 lines
1.9 KiB
Python
77 lines
1.9 KiB
Python
import re
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from esphome import config_validation as cv
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from esphome.const import CONF_ARGS, CONF_FORMAT
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CONF_IF_NAN = "if_nan"
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lv_uses = {
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"USER_DATA",
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"LOG",
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"STYLE",
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"FONT_PLACEHOLDER",
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"THEME_DEFAULT",
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}
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def add_lv_use(*names):
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for name in names:
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lv_uses.add(name)
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lv_fonts_used = set()
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esphome_fonts_used = set()
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lvgl_components_required = set()
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# noqa
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f_regex = re.compile(
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r"""
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( # start of capture group 1
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% # literal "%"
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[-+0 #]{0,5} # optional flags
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(?:\d+|\*)? # width
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(?:\.(?:\d+|\*))? # precision
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(?:h|l|ll|w|I|I32|I64)? # size
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f # type
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)
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""",
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flags=re.VERBOSE,
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)
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# noqa
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c_regex = re.compile(
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r"""
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( # start of capture group 1
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% # literal "%"
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[-+0 #]{0,5} # optional flags
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(?:\d+|\*)? # width
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(?:\.(?:\d+|\*))? # precision
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(?:h|l|ll|w|I|I32|I64)? # size
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[cCdiouxXeEfgGaAnpsSZ] # type
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)
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""",
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flags=re.VERBOSE,
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)
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def validate_printf(value):
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format_string = value[CONF_FORMAT]
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matches = c_regex.findall(format_string)
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if len(matches) != len(value[CONF_ARGS]):
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raise cv.Invalid(
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f"Found {len(matches)} printf-patterns ({', '.join(matches)}), but {len(value[CONF_ARGS])} args were given!"
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)
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if value.get(CONF_IF_NAN) and len(f_regex.findall(format_string)) != 1:
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raise cv.Invalid(
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"Use of 'if_nan' requires a single valid printf-pattern of type %f"
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)
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return value
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def requires_component(comp):
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def validator(value):
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lvgl_components_required.add(comp)
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return cv.requires_component(comp)(value)
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return validator
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