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Fix Streamlit segment mismatches, ExchangeTimingData error, and expiry-day failure in live depth USDINR #142

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Fix Streamlit segment mismatches, ExchangeTimingData error, and expiry-day failure in live depth USDINR #142

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c8cfc77
Fix ExchangeTimingData AttributeError and wrong segment for MCX/curre…
svishi Mar 27, 2026
bb36f77
Update live_depth_usdinr.py
svishi Mar 27, 2026
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1 change: 0 additions & 1 deletion interactive_examples/market_data/live_depth_usdinr.py
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Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,6 @@ def find_usdinr(client, exchange: str):
exchanges="NSE" if exchange == "CDS" else "BSE",
segments="CURR",
instrument_types="FUT",
expiry="current_month",
records=10,
)
instruments = resp.data or []
Expand Down
28 changes: 19 additions & 9 deletions interactive_examples/streamlit_app.py
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Original file line number Diff line number Diff line change
Expand Up @@ -480,7 +480,7 @@ def contango_label(spread):

if st.button("▶ Run", type="primary"):
with st.spinner("Fetching MCX futures…"):
futures = get_futures_sorted(client, query, exchange="MCX", exact_symbol=False)
futures = get_futures_sorted(client, query, exchange="MCX", exact_symbol=False, segment="COMM")
if len(futures) < 2:
st.error(f"Need at least 2 futures for '{query}'. Try CRUDEOIL or NATURALGAS.")
st.stop()
Expand Down Expand Up @@ -1228,9 +1228,9 @@ def find_eq(exchange):

if st.button("▶ Run", type="primary"):
with st.spinner("Fetching currency futures…"):
futures = get_futures_sorted(client, pair, exchange="NSE", exact_symbol=True)
futures = get_futures_sorted(client, pair, exchange="NSE", exact_symbol=True, segment="CURR")
if not futures:
futures = get_futures_sorted(client, pair, exchange="BSE", exact_symbol=True)
futures = get_futures_sorted(client, pair, exchange="BSE", exact_symbol=True, segment="CURR")

if len(futures) < 2:
st.error(f"Need at least 2 contracts for '{pair}'.")
Expand Down Expand Up @@ -1822,9 +1822,16 @@ def session_label(exch, start_ms, end_ms):
partial_notes = []
fully_open = set()
for e in open_e:
exch = getattr(e, "exchange", e.get("exchange", "")) if not isinstance(e, str) else e
start_ms = getattr(e, "start_time", e.get("start_time", 0)) if not isinstance(e, str) else 0
end_ms = getattr(e, "end_time", e.get("end_time", 0)) if not isinstance(e, str) else 0
if isinstance(e, str):
exch, start_ms, end_ms = e, 0, 0
elif isinstance(e, dict):
exch = e.get("exchange", "")
start_ms = e.get("start_time", 0)
end_ms = e.get("end_time", 0)
else:
exch = getattr(e, "exchange", "")
start_ms = getattr(e, "start_time", 0)
end_ms = getattr(e, "end_time", 0)
label = session_label(exch, start_ms, end_ms)
if "only" in label or "Muhurat" in label or "muhurat" in label:
partial_notes.append(f"{exch}: {label}")
Expand Down Expand Up @@ -1978,7 +1985,8 @@ def session_label(exch, start_ms, end_ms):
elif example == "Live Depth (5-level)":
client = require_client()

st.info("WebSocket streaming is not available in the web UI. This view polls the REST API instead.")
st.warning("⚠️ Live WebSocket streaming is not supported in the web UI. Please run this example locally via the command line.")
st.stop()

SENSEX_IDX = "BSE_INDEX|SENSEX"
NIFTY_IDX = "NSE_INDEX|Nifty 50"
Expand Down Expand Up @@ -2057,7 +2065,8 @@ def render_depth(col, label, quote):
elif example == "Live Depth MCX":
client = require_client()

st.info("WebSocket streaming is not available in the web UI. This view polls the REST API instead.")
st.warning("⚠️ Live WebSocket streaming is not supported in the web UI. Please run this example locally via the command line.")
st.stop()

MCX_QUERIES = [("GOLD", "MCX_FO"), ("SILVER", "MCX_FO"), ("CRUDEOIL", "MCX_FO"), ("NATURALGAS", "MCX_FO")]

Expand Down Expand Up @@ -2117,7 +2126,8 @@ def _resolve_mcx(tok):
elif example == "Live Depth USDINR":
client = require_client()

st.info("WebSocket streaming is not available in the web UI. This view polls the REST API instead.")
st.warning("⚠️ Live WebSocket streaming is not supported in the web UI. Please run this example locally via the command line.")
st.stop()

auto_refresh = st.checkbox("Auto-refresh (every 3s)", value=False)

Expand Down
6 changes: 5 additions & 1 deletion interactive_examples/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -116,6 +116,7 @@ def get_futures_sorted(
query: str,
exchange: str = "NSE",
exact_symbol: bool = False,
segment: str = "FO",
):
"""
Search for futures contracts and return them sorted by expiry (nearest first).
Expand All @@ -124,14 +125,17 @@ def get_futures_sorted(
matches *query* (case-insensitive) are returned — useful when searching
'NIFTY' to avoid picking up NIFTYNXT50, BANKNIFTY, etc.

Use segment="COMM" for MCX commodity futures (e.g. CRUDEOIL, NATURALGAS).
Use segment="FO" (default) for NSE/BSE equity futures.

Returns list of instrument dicts, each with keys like:
instrument_key, trading_symbol, expiry, lot_size, underlying_symbol
"""
response = search_instrument(
api_client,
query,
exchanges=exchange,
segments="FO",
segments=segment,
instrument_types="FUT",
records=30,
)
Expand Down
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