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from pydantic import BaseModel | |
import requests | |
from returns.context import RequiresContext | |
from returns.functions import tap | |
from returns.io import IOResultE, impure_safe | |
class OVHIpAddr(BaseModel): | |
ip: str | |
ip_decimal: int | |
country: str | |
country_eu: bool | |
country_iso: str | |
city: str | |
hostname: str | |
latitude: float | |
longitude: float | |
asn: str | |
asn_org: str | |
def get_ip_addr() -> RequiresContext[str, IOResultE[OVHIpAddr]]: | |
"""Get our IP address from a service""" | |
@impure_safe | |
def inner(url: str) -> OVHIpAddr: | |
resp = requests.get(url) | |
return OVHIpAddr(**resp.json()) | |
return RequiresContext(inner) | |
def format_city_country(data: OVHIpAddr) -> str: | |
"""Format the city and country""" | |
return f"{data.city}, {data.country}" | |
if __name__ == "__main__": | |
# Works | |
( | |
get_ip_addr()("https://whatsmyip.ovh/json") | |
.map(format_city_country) | |
.map(tap(print)) | |
) | |
# AttributeError: '_IOSuccess' object has no attribute 'city' | |
# error: Argument 1 to "map" of "RequiresContext" has incompatible type "Callable[[OVHIpAddr], str]"; expected "Callable[[IOResult[OVHIpAddr, Exception]], str]" | |
( | |
get_ip_addr() | |
.map(format_city_country) | |
.map(tap(print))("https://whatsmyip.ovh/json") | |
) |
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