(20241224) Live Feed From Kafka (to test).

models/api/finstitutions/trading/symbols/list.py

@@ -43,6 +43,9 @@ from typing import Optional, Literal, Union, List
 from utils_v2.string import regex
 from utils_v2.date_time import date_time
 
+# Other models:
+from models.finstitutions.trading.symbols import TradingSymbol
+
 # To work with date and time:
 import datetime
 
@@ -75,145 +78,6 @@ REGEX_SESSION_TOKEN = r"^[a-f0-9]{8}-[a-f0-9]{4}-[1-5][a-f0-9]{3}-[89ab][a-f0-9]
 #   *****************************************************************************************************************
 
 
-class TradingSymbol(BaseModel):
-
-    exchange: Literal["NSE", "NFO", "BSE", "BFO", "MCX", "CDS", "BCD"] = Field(
-        description = "the exchange on which this symbol is traded",
-        frozen = True
-    )
-
-    exchangeToken: str | int = Field(
-        description = "the code by which the exchange identifies this instrument",
-        frozen = True
-    )
-
-    broker: Literal["zerodhaKite", "iciciBreeze"] = Field(
-        description = "the broker that gave you the details of this instrument",
-        frozen = True
-    )
-
-    brokerToken: str | int = Field(
-        description = "the code by which the broker identifies this instrument",
-        frozen = True
-    )
-
-    name: str = Field(
-        description = "the name of the co./asset",
-        frozen = True
-    )
-
-    symbol: str = Field(
-        description = "tha trading symbol pf the co./asset",
-        frozen = True
-    )
-
-    tickSize: float = Field(
-        description = "the minimum step size in the change of price of the instrument",
-        frozen = True
-    )
-
-    ltp: float = Field(
-        description = "the last price of this instrument at the time of requesting the symbol list",
-        frozen = True
-    )
-
-    segment: str = Field(
-        description = "the segment which this asset represents",
-        frozen = True
-    )
-
-    type: str = Field(
-        description = "the type of the instrument in the segment",
-        frozen = True
-    )
-
-    lotSize: int = Field(
-        description = "the minimum tradeable qty of this instrument",
-        frozen = True
-    )
-
-    strike: int | float | None = Field(
-        description = "the strike price of the instrument if it is a derivative",
-        default = None,
-        frozen = True
-    )
-
-    expiryTs: AwareDatetime | None = Field(
-        description = "the expiry (utc) of this instrument if it is a derivative",
-        default = None,
-        frozen = True
-    )
-
-    expiryTz: str = Field(
-        description = "the timezone in which the expiry timestamp my be interpreted; should be compatible with pytz",
-        frozen = True
-    )
-
-    # ┏┓    ┏•
-    # ┃ ┏┓┏┓╋┓┏┓
-    # ┗┛┗┛┛┗┛┗┗┫
-    #          ┛
-
-    class Config:
-        extra = "forbid"
-
-    # ┏┓           ┏┓
-    # ┃ ┓┏┏╋┏┓┏┳┓  ┣ ┓┏┏┓┏┏
-    # ┗┛┗┻┛┗┗┛┛┗┗  ┻ ┗┻┛┗┗┛
-    
-    @staticmethod
-    def from_zerodha_kite(instrument: dict):
-        return TradingSymbol(
-            exchange = instrument["exchange"],
-            exchangeToken = instrument["exchange_token"],
-            broker = "zerodhaKite",
-            brokerToken = instrument["instrument_token"],
-            name = instrument["name"],
-            symbol = instrument["tradingsymbol"],
-            tickSize = instrument["tick_size"],
-            ltp = instrument["last_price"],
-            segment = instrument["segment"],
-            type = instrument["instrument_type"],
-            lotSize = instrument["lot_size"],
-            strike = instrument["strike"],
-            expiryTs = date_time.to_timezone(
-                datetime_object = datetime.datetime.combine(
-                    instrument["expiry"],
-                    datetime.time(hour = 0, minute = 0, second = 0)
-                ),
-                timezone = date_time.TIMEZONE_UTC
-            ) if instrument["expiry"] else None,
-            expiryTz = "Asia/Kolkata"
-        )
-
-    # ┓┏  ┓• ┓   •
-    # ┃┃┏┓┃┓┏┫┏┓╋┓┏┓┏┓
-    # ┗┛┗┻┗┗┗┻┗┻┗┗┗┛┛┗
-
-    @field_validator("expiryTs", mode = "before")
-    def parse_date_time(cls, value):
-
-        if not value: value = None
-
-        if isinstance(value, str):
-            value = value.strip()
-            value = date_time.parse_date_time(
-                input_value = value,
-                timezone = date_time.TIMEZONE_UTC
-            )
-
-        if isinstance(value, datetime.datetime):
-            value = date_time.to_timezone(
-                value,
-                timezone = date_time.TIMEZONE_UTC
-            )
-
-        return value
-
-
-# ---------------------------------------------------------------------------------------------------------------------
-
-
 class TradingSymbolListBrokerResponse(BaseModel):
 
     success: bool = Field(