midgard/historical_trainmap
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Remove fancy JsonRoundingFloat and JsonLatLon

Browse source 
because the Python JSON lib can't override the precise serialization
anyway. Ugh.
This commit is contained in:
Midgard 2024-01-16 02:28:34 +01:00
parent 3f7a499f7a
commit 9f5847088c
Signed by: midgard
GPG key ID: 511C112F1331BBB4
2 changed files with 6 additions and 61 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
tests.py
View file

@ -1,6 +1,5 @@
from trainmap_backup import \
camel_to_snake, transform_dict, RETAIN_KEY, RETAIN_VALUE, DISCARD, \
JsonRoundingFloat, JsonLonLatCoord, json_encode
camel_to_snake, transform_dict, RETAIN_KEY, RETAIN_VALUE, DISCARD
def test_camel_to_snake():
@ -33,22 +32,3 @@ def test_transform_dict():
"uppervalue": "VALUE",
"retainboth": "value",
}
def test_JsonRoundingFloat():
assert str(JsonRoundingFloat(1.1234567890123456789012345678901234567890, 2)) == "1.12"
assert str(JsonRoundingFloat(1.1234567890123456789012345678901234567890, 3)) == "1.123"
assert str(JsonRoundingFloat(1.1, 3)) == "1.1"
def test_JsonLonLatCoord():
assert str(JsonLonLatCoord(1.1234567890123456789012345678901234567890, 50.1234)) == \
"[1.123457, 50.1234]"
def test_json_encode():
assert json_encode(JsonLonLatCoord(1, 2)) == "[1, 2]"
assert json_encode([
JsonLonLatCoord(1, 2),
JsonLonLatCoord(3, 4),
]) == "[[1, 2], [3, 4]]"

45
trainmap_backup.py
View file

@ -1,6 +1,5 @@
#!/usr/bin/env python3
from dataclasses import dataclass
import re
import json
import socketio
@ -8,28 +7,6 @@ import socketio
WS_URL = "wss://trainmap.belgiantrain.be/socket.io/"
@dataclass
class JsonLonLatCoord:
lon: float
lat: float
def __repr__(self):
return str(self.__to_json__())
def __to_json__(self):
# return f"[{self.lon:.6f}, {self.lat:.6f}]"
return [round(self.lon, 6), round(self.lat, 6)]
@dataclass
class JsonRoundingFloat:
value: float
decimals: int
def __repr__(self):
return str(self.__to_json__())
def __to_json__(self):
# return f"{{0:.{self.decimals}f}}".format(self.value)
return round(self.value, self.decimals)
class RETAIN_KEY: pass
class RETAIN_VALUE: pass
class DISCARD: pass
@ -84,12 +61,12 @@ def filtered_data(data):
trip["trip_short_name"]: transform_dict({
"trip_id": DISCARD,
"trip_short_name": DISCARD,
"position": (RETAIN_KEY, lambda l: (
JsonLonLatCoord(*l)
if isinstance(l, list) else l
"position": (RETAIN_KEY, lambda p: (
[round(p[0], 6), round(p[1], 6)]
if isinstance(p, list) else p
)),
"current_traveled_distance": (RETAIN_KEY, lambda x: (
JsonRoundingFloat(x, 1)
round(x, 1)
if isinstance(x, float) else x
)),
"fromstationdistance": ("from_station_distance", RETAIN_VALUE),
@ -105,20 +82,8 @@ def filtered_data(data):
}
class JsonEncoder(json.JSONEncoder):
def default(self, o):
if hasattr(o, "__to_json__"):
return o.__to_json__()
else:
return super().default(o)
def json_encode(data, *args, **kwargs):
return json.dumps(data, *args, cls=JsonEncoder, **kwargs)
def emit(data):
print(json_encode(filtered_data(data), ensure_ascii=False))
print(json.dumps(filtered_data(data), ensure_ascii=False))
def main():