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from typing import Optional
from .SNCL import SNCL, INTERVAL_CONVERSIONS, ELEMENT_CONVERSIONS
class SNCLFactory(object):
def __init__(self, data_format: str = "miniseed"):
self.data_format = data_format
def get_sncl(
self,
station: str,
data_type: str,
element: str,
interval: str,
network: str = "NT",
) -> SNCL:
return SNCL(
station=station,
network=network,
channel=self.get_channel(element=element, interval=interval),
location=self.get_location(element=element, data_type=data_type),
)
def get_channel(self, element: str, interval: str) -> str:
channel_start = self.__get_channel_start(interval=interval)
channel_end = self.__get_predefined_channel(element=element)
channel_end = channel_end or self.__get_channel_end(element=element)
return channel_start + channel_end
def get_location(self, element: str, data_type: str) -> str:
location_start = self.__get_location_start(data_type=data_type)
location_end = self.__get_location_end(element=element)
return location_start + location_end
def __get_channel_start(self, interval: str) -> str:
try:
return INTERVAL_CONVERSIONS[self.data_format][interval]
except:
raise ValueError(f"Unexpected interval: {interval}")
def __get_predefined_channel(self, element: str) -> Optional[str]:
if len(element) == 3 and "-" not in element and element != "DST":
return element[1:]
elif element in ELEMENT_CONVERSIONS:
return ELEMENT_CONVERSIONS[element]
else:
return None
def __get_channel_end(self, element: str) -> str:
channel_middle = "F" if self.data_format == "miniseed" else "V"
if "_Volt" in element:
channel_middle = "E"
elif "_Bin" in element:
channel_middle = "Y"
elif "_Temp" in element:
channel_middle = "K"
elif element in ["F", "G"] and self.data_format == "legacy":
channel_middle = "S"
channel_end = element.split("_")[0]
return channel_middle + channel_end
def __get_location_start(self, data_type: str) -> str:
if data_type == "variation":
return "R"
elif data_type == "adjusted":
return "A"
elif data_type == "quasi-definitive":
return "Q"
elif data_type == "definitive":
return "D"
raise ValueError(f"Unexpected data type: {data_type}")
def __get_location_end(self, element: str) -> str:
if "_Sat" in element:
return "1"
if "_Dist" in element:
return "D"
if "_SQ" in element:
return "Q"
if "_SV" in element:
return "V"
return "0"