Python project parsing metar and taf message
Project description
METAR TAF Parser
This project provides METAR and TAF parsers.
Install
pip install metar-taf-parser-mivek
Structure
Commons package
This package contains the converter module. The module contains helper functions.
Model package
This package contains multiple modules
- enum: Contains the enumerations for the project
- model: Contains the model classes for the project
Parser package
This package contains the parser module with the MetarParser
and TAFParser
classes.
Model
Enumerations
- CloudQuantity: Represents the quantity in a cloud layer
- CloudType: Represents the type of cloud in a cloud layer
- DepositCoverage: Represents the percentage of a runway covered by the deposit
- DepositType: Represents the type of deposit on a runway
- Descriptive: Represents the descriptive part of a weather phenomenon
- Intensity: Represents the intensity of a weather phenomenon
- Phenomenon: Represents the phenomenon of a weather phenomenon
- TimeIndicator: Indicates the time trend
- WeatherChangeType: Indicate the type of trend
- IcingIntensity: Represents the intensity of an icing element
- TurbulenceIntensity: Represents the intensity of a turbulence element
Objects
Wind
Represents the wind part of a metar, taf or trend
- speed:
int
. The speed of the wind - direction:
str
. The cardinal direction of the wind - degrees:
int
. The direction in degrees - gust:
int
. The speed of gust if any, None otherwise - min_variation:
int
. The minimal degree variation of the wind - max_variation:
int
. The maximal degree variation of the wind - unit:
str
. The unit of the speed of the wind.
WindShear
Represents a wind shear in TAF message. This class extends Wind.
- height:
int
. The height of the wind shear.
Visibility
Represents the visibility part of a METAR, TAF or trend.
- distance:
str
. The distance in meters or nautical miles. - min_distance:
int
. The minimal distance in meters if any. - min_direction:
str
. The direction of the minimal distance if any.
WeatherCondition
Represents the weather part of a METAR, TAF or trend.
- intensity:
Intensity
. The intensity of the weather condition if any,None
otherwise. - descriptive:
Descriptive
. The descriptive of the weather condition if any,None
otherwise. - phenomenons:
[Phenomenon]
. Array of phenomenons of the weather condition.
TemperatureDated
Represents the temperature part of a TAF.
- temperature:
int
. The temperature in celsius degrees. - day:
int
. Day of the occurrence. - hour:
int
. Hour of the occurrence.
RunwayInfo
Represents the visibility or the deposit on a runway.
- name:
str
. The name of the runway. - min_range:
int
. The minimal visibility distance on the runway. - max_range:
int
. The maximal visibility distance on the runway. - trend:
str
. The trend of the visibility. - indicator:
str
. The indicator on the visual range.M
for less than and orP
for greater than. - deposit_type:
DepositType
. The type of deposit. - coverage:
DepositCoverage
. The percentage of coverage. - thickness:
str
. The thickness of the deposit. - braking_capacity:
str
. The braking capacity on the runway.
Cloud
Represents a cloud layer in METAR, TAF or trend object.
- height:
int
. The height of the layer in feet. - quantity:
CloudQuantity
. The quantity of clouds. - type:
CloudType
. The type of cloud in the layer.
Icing
Represents the icing in a TAF or TAFTrend object.
- intensity:
IcingIntensity
. The intensity of an icing. - base_height:
int
. The base height of an icing element in feet. - depth:
int
. The icing layer depth in feet. Adding this to the base height determines the top limit of the icing.
Turbulence
Represents the turbulence in a TAF or TAFTrend object.
- intensity:
TurbulenceIntensity
. The intensity of a turbulence. - base_height:
int
. The base height of a turbulence element in feet. - depth:
int
. The turbulence layer depth in feet. Adding this to the base height determines the top limit of the turbulence.
ITafGroups
Class holding turbulence and icing elements.
- icings:
[Icing]
. List of icing elements. - turbulence:
[Turbulence]
. List of turbulence elements.
This class is a parent class of TAF
and ITafGroups
.
AbstractWeatherContainer
Abstract class containing the basic fields of METAR, TAF or trend objects.
- wind:
Wind
. The wind. Can beNone
for trends. - visibility:
Visibility
. The visibility. - vertical_visibility:
int
. The vertical visibility, can beNone
- wind_shear:
WindShear
. The wind shear object. - cavok:
bool
. Indicates whether the message is CAVOK (Ceiling and visibility OK) - remark:
str
. The remark part of the message. - remarks:
list[str]
. List of remarks. Each element is a different remark or token - clouds:
[Cloud]
. Array of clouds elements. - weather_conditions:
[WeatherCondition]
. Array of weather conditions.
AbstractValidity
Abstract class representing the base of a Validity object.
- start_day:
int
. The starting day of the validity. - start_hour:
int
. The starting hour of the validity.
AbstractWeatherCode
Class extending the AbstractWeatherContainer. Abstract parent class of METAR and TAF.
- day:
int
. The delivery day of the METAR or TAF. - time:
datetime.time
. The delivery time of the METAR/TAF. - message:
str
. The message of the METAR/TAF. - station:
str
. The station for which the message was issued. - trends:
[TAFTrend/MetarTrend]
. Array of trends - flags:
[Flag]
. Set of flags. - auto:
bool
. Whether the METAR is automated. - amendment:
bool
. Whether the TAF is an amendment. - nil:
bool
. Whether the METAR/TAF is null. - canceled:
bool
. Whether the METAR/TAF is canceled. - corrected:
bool
. Whether the METAR/TAF is a correction.
Metar
Class representing a metar object.
- temperature:
int
. The temperature in celsius. - dew_point:
int
. The dew_point in celsius. - altimeter:
float
. The altimeter value in HPa. - nosig:
bool
. Whether the message is nosig: No significant changes to come. - runway_info:
[RunwayInfo]
. Array of runway information.
TAF
Class representing a TAF object.
- validity:
Validity
. The validity of the TAF. - max_temperature:
TemperatureDated
. The maximum temperature during the validity of the TAF. - min_temperature:
TemperatureDated
. The minimum temperature during the validity of the TAF. - amendment:
bool
. Whether the TAF is an amendment.
AbstractTrend
Abstract base class for trend.
- type:
WeatherChangeType
. The type of change.
MetarTrendTime
Class containing the time of the trend.
- time:
datetime.time
. Time of the trend's occurrence. - type:
TimeIndicator
. Type of time change of the trend.
MetarTrend
Represents a trend in a METAR object, this class extends AbstractTrend
.
- times:
[MetarTrendTime]
. The list of time change of the trend.
TAFTrend
Represent a trend in a TAF object, this class extends AbstractTrend
- validity:
AbstractValidity
. The validity of the trend eitherValidity
orFMValidity
- probability:
int
. The probability of a trend, can beNone
.
Validity
Represents the validity timespan of a TAF or TAFTrend, this class extends AbstractValidity
.
- end_day:
int
. The ending day of the validity. - end_hour:
int
The ending hour of the validity.
FMValidity
Represents the validity of a From trend, extends AbstractValidity
- start_minutes:
int
. The starting minute of the trend.
Example
Parse a METAR
Use the method parse(string)
of the MetarParser
to parse a metar.
from metar_taf_parser.parser.parser import MetarParser
metar = MetarParser().parse('KTTN 051853Z 04011KT 9999 VCTS SN FZFG BKN003 OVC010 M02/M02 A3006')
Parse a TAF
Use the method parse(string)
of the TAFParser to parse a TAF message.
The message must start with TAF
in order to be parsed.
from metar_taf_parser.parser.parser import TAFParser
taf = TAFParser().parse(
'TAF LFPG 150500Z 1506/1612 17005KT 6000 SCT012 TEMPO 1506/1509 3000 BR BKN006 PROB40 TEMPO 1506/1508 0400 BCFG BKN002 PROB40 TEMPO 1512/1516 4000 -SHRA FEW030TCU BKN040 BECMG 1520/1522 CAVOK TEMPO 1603/1608 3000 BR BKN006 PROB40 TEMPO 1604/1607 0400 BCFG BKN002 TX17/1512Z TN07/1605Z')
Internationalization
The following locales are supported:
- en (default)
- fr
- de
- pl
- it
To add or complete locales please see CONTRIBUTING
Project details
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