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prometheus format code clean up (#446)

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pull/473/head
Igor Chubin 5 years ago
parent 1c2ebc0d09
commit dabfc55c8b
2 changed files with 141 additions and 132 deletions
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105
lib/fields.py
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@ -0,0 +1,105 @@
"""
Human readable description of the available data fields
describing current weather, weather forecast, and astronomical data
"""
DESCRIPTION = {
# current condition fields
"FeelsLikeC": (
"Feels Like Temperature in Celsius",
"temperature_feels_like_celsius"),
"FeelsLikeF": (
"Feels Like Temperature in Fahrenheit",
"temperature_feels_like_fahrenheit"),
"cloudcover": (
"Cloud Coverage in Percent",
"cloudcover_percentage"),
"humidity": (
"Humidity in Percent",
"humidity_percentage"),
"precipMM": (
"Precipitation (Rainfall) in mm",
"precipitation_mm"),
"pressure": (
"Air pressure in hPa",
"pressure_hpa"),
"temp_C": (
"Temperature in Celsius",
"temperature_celsius"),
"temp_F": (
"Temperature in Fahrenheit",
"temperature_fahrenheit"),
"uvIndex": (
"Ultaviolet Radiation Index",
"uv_index"),
"visibility": (
"Visible Distance in Kilometres",
"visibility"),
"weatherCode": (
"Code to describe Weather Condition",
"weather_code"),
"winddirDegree": (
"Wind Direction in Degree",
"winddir_degree"),
"windspeedKmph": (
"Wind Speed in Kilometres per Hour",
"windspeed_kmph"),
"windspeedMiles": (
"Wind Speed in Miles per Hour",
"windspeed_mph"),
"observation_time": (
"Minutes since start of the day the observation happened",
"observation_time"),
# fields with `description`
"weatherDesc": (
"Weather Description",
"weather_desc"),
"winddir16Point": (
"Wind Direction on a 16-wind compass rose",
"winddir_16_point"),
# forecast fields
"maxtempC": (
"Maximum Temperature in Celsius",
"temperature_celsius_maximum"),
"maxtempF": (
"Maximum Temperature in Fahrenheit",
"temperature_fahrenheit_maximum"),
"mintempC": (
"Minimum Temperature in Celsius",
"temperature_celsius_minimum"),
"mintempF": (
"Minimum Temperature in Fahrenheit",
"temperature_fahrenheit_minimum"),
"sunHour":(
"Hours of sunlight",
"sun_hour"),
"totalSnow_cm":(
"Total snowfall in cm",
"snowfall_cm"),
# astronomy fields
"moon_illumination": (
"Percentage of the moon illuminated",
"astronomy_moon_illumination"),
# astronomy fields with description
"moon_phase": (
"Phase of the moon",
"astronomy_moon_phase"),
# astronomy fields with time
"moonrise": (
"Minutes since start of the day untill the moon appears above the horizon",
"astronomy_moonrise_min"),
"moonset": (
"Minutes since start of the day untill the moon disappears below the horizon",
"astronomy_moonset_min"),
"sunrise": (
"Minutes since start of the day untill the sun appears below the horizon",
"astronomy_sunrise_min"),
"sunset": (
"Minutes since start of the day untill the moon disappears below the horizon",
"astronomy_sunset_min"),
}

168
lib/view/prometheus.py
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@ -5,151 +5,51 @@ Rendering weather data in the Prometheus format.
from datetime import datetime from datetime import datetime
from fields import DESCRIPTION
EXPORTED_FIELDS = { def _render_current(data, for_day="current"):
"FeelsLikeC":("Feels Like Temperature in Celsius", "temperature_feels_like_celsius"), "Converts data into prometheus style format"
"FeelsLikeF":("Feels Like Temperature in Fahrenheit", "temperature_feels_like_fahrenheit"),
"cloudcover":("Cloud Coverage in Percent", "cloudcover_percentage"),
"humidity":("Humidity in Percent", "humidity_percentage"),
"precipMM":("Precipitation (Rainfall) in mm", "precipitation_mm"),
"pressure":("Air pressure in hPa", "pressure_hpa"),
"temp_C":("Temperature in Celsius", "temperature_celsius"),
"temp_F":("Temperature in Fahrenheit", "temperature_fahrenheit"),
"uvIndex":("Ultaviolet Radiation Index", "uv_index"),
"visibility":("Visible Distance in Kilometres", "visibility"),
"weatherCode":("Code to describe Weather Condition", "weather_code"),
"winddirDegree":("Wind Direction in Degree", "winddir_degree"),
"windspeedKmph":("Wind Speed in Kilometres per Hour", "windspeed_kmph"),
"windspeedMiles":("Wind Speed in Miles per Hour", "windspeed_mph"),
}
EXPORTED_FIELDS_DESC = { output = []
"weatherDesc":("Weather Description", "weather_desc"),
"winddir16Point":("Wind Direction on a 16-wind compass rose", "winddir_16_point"),
}
EXPORTED_FIELDS_CONV = {
"observation_time":("Minutes since start of the day the observation happened", "obversation_time")
}
EXPORTED_FIELDS_WEATHER = {
"maxtempC":("Maximum Temperature in Celsius", "temperature_celsius_maximum"),
"maxtempF":("Maximum Temperature in Fahrenheit", "temperature_fahrenheit_maximum"),
"mintempC":("Minimum Temperature in Celsius", "temperature_celsius_minimum"),
"mintempF":("Minimum Temperature in Fahrenheit", "temperature_fahrenheit_minimum"),
"sunHour":("Hours of sunlight", "sun_hour"),
"totalSnow_cm":("Total snowfall in cm", "snowfall_cm"),
"uvIndex":("Ultaviolet Radiation Index", "uv_index"),
}
EXPORTED_FIELDS_WEATHER_ASTRONOMY = {
"moon_illumination":("Percentage of the moon illuminated", "astronomoy_moon_illumination"),
}
EXPORTED_FIELDS_WEATHER_ASTRONOMY_DESC = {
"moon_phase": ("Phase of the moon", "astronomoy_moon_phase"),
}
EXPORTED_FIELDS_WEATHER_ASTRONOMY_CONV = {
"moonrise":("Minutes since start of the day untill the moon appears above the horizon", "astronomoy_moonrise_min"),
"moonset":("Minutes since start of the day untill the moon disappears below the horizon", "astronomoy_moonset_min"),
"sunrise":("Minutes since start of the day untill the sun appears below the horizon", "astronomoy_sunrise_min"),
"sunset":("Minutes since start of the day untill the moon disappears below the horizon", "astronomoy_sunset_min"),
} for field_name, val in DESCRIPTION.items():
def _render_current(data): help, name = val
"""
Converts data into prometheus style format
"""
output = []
current_condition = data["current_condition"][0]
for field in EXPORTED_FIELDS:
try: try:
output.append("# HELP %s %s\n%s{forecast=\"current\"} %s" % value = data[field_name]
(EXPORTED_FIELDS[field][1], if field_name == "weatherDesc":
EXPORTED_FIELDS[field][0], value = value[0]["value"]
EXPORTED_FIELDS[field][1], except (IndexError, KeyError):
current_condition[field])) try:
except IndexError: value = data["astronomy"][0][field_name]
pass if value.endswith(" AM") or value.endswith(" PM"):
value = _convert_time_to_minutes(value)
except (IndexError, KeyError, ValueError):
continue
for field in EXPORTED_FIELDS_CONV:
try: try:
output.append("# HELP %s %s\n%s{forecast=\"current\"} %s" % if name == "observation_time":
(EXPORTED_FIELDS[field][1], value = _convert_time_to_minutes(value)
EXPORTED_FIELDS[field][0], except ValueError:
EXPORTED_FIELDS[field][1], continue
current_condition[field]))
except IndexError:
pass
for field in EXPORTED_FIELDS_DESC: description = ""
try: try:
output.append("# HELP %s %s\n%s{forecast=\"current\", description=\"%s\"} 1" % float(value)
(EXPORTED_FIELDS_DESC[field][1], except ValueError:
EXPORTED_FIELDS_DESC[field][0], description = f", description=\"{value}\""
EXPORTED_FIELDS_DESC[field][1], value = "1"
convert_time_to_minutes(current_condition[field])))
except IndexError:
pass
weather = data["weather"] output.append(f"# HELP {name} {help}\n"
i = 0 f"{name}{{forecast=\"{for_day}\"{description}}} {value}")
for day in weather:
for field in EXPORTED_FIELDS_WEATHER:
try:
output.append("# HELP %s %s\n%s{forecast=\"%id\"} %s" %
(EXPORTED_FIELDS_WEATHER[field][1],
EXPORTED_FIELDS_WEATHER[field][0],
i,
EXPORTED_FIELDS_WEATHER[field][1],
day[field]))
except IndexError:
pass
for field in EXPORTED_FIELDS_WEATHER_ASTRONOMY:
try:
output.append("# HELP %s %s\n%s{forecast=\"%dd\"} %s" %
(EXPORTED_FIELDS_WEATHER[field][1],
EXPORTED_FIELDS_WEATHER[field][0],
EXPORTED_FIELDS_WEATHER[field][1],
i,
day["astronomy"][field]))
except IndexError:
pass
for field in EXPORTED_FIELDS_WEATHER_ASTRONOMY_CONV:
try:
output.append("# HELP %s %s\n%s{forecast=\"%dd\"} %s" %
(EXPORTED_FIELDS_WEATHER[field][1],
EXPORTED_FIELDS_WEATHER[field][0],
EXPORTED_FIELDS_WEATHER[field][1],
i,
convert_time_to_minutes(day["astronomy"][field])))
except IndexError:
pass
for field in EXPORTED_FIELDS_WEATHER_ASTRONOMY_DESC:
try:
output.append("# HELP %s %s\n%s{forecast=\"%dd\", description=\"%s\"} 1" %
(EXPORTED_FIELDS_WEATHER[field][1],
EXPORTED_FIELDS_WEATHER[field][0],
EXPORTED_FIELDS_WEATHER[field][1],
i,
day["astronomy"][field]))
except IndexError:
pass
i = i+1
return "\n".join(output)+"\n" return "\n".join(output)+"\n"
def convert_time_to_minutes(time_str): def _convert_time_to_minutes(time_str):
""" "Convert time from midnight to minutes"
Convert time from midnight to minutes return int((datetime.strptime(time_str, "%I:%M %p")
""" - datetime.strptime("12:00 AM", "%I:%M %p")).total_seconds())//60
return int((datetime.strptime(time_str, "%I:%M %p") - datetime.strptime("12:00 AM", "%I:%M %p")).total_seconds()/60)
def render_prometheus(data): def render_prometheus(data):
""" """
@ -157,4 +57,8 @@ def render_prometheus(data):
and return it as string. and return it as string.
""" """
return _render_current(data) answer = _render_current(data["current_condition"][0])
for i in range(3):
data2 = data["weather"][i]
answer += _render_current(data2, for_day="%sd" % i)
return answer

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