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Comprehensive guide to handling errors and exceptions in BinomoAPI.
BinomoAPI provides a comprehensive exception hierarchy for precise error handling:
BinomoAPIException
├── AuthenticationError # Login and authentication issues
├── ConnectionError # Network and connectivity problems
├── InvalidParameterError # Invalid input parameters
├── TradeError # Trading operation failures
└── InsufficientBalanceError # Insufficient funds for trading
from BinomoAPI import BinomoAPI, AuthenticationError
try:
login_response = BinomoAPI.login(
"email@example.com",
"password"
)
except AuthenticationError as e:
print(f"Login failed: {e}")
# Handle invalid credentials
# Possible actions:
# 1. Retry with correct credentials
# 2. Request password reset
# 3. Check account status
from BinomoAPI import BinomoAPI, ConnectionError
async def handle_connection_issues():
try:
async with BinomoAPI(...) as api:
await api.get_balance()
except ConnectionError as e:
print(f"Connection error: {e}")
# Handle connection issues:
# 1. Check internet connection
# 2. Verify API endpoint
# 3. Implement retry logic
from BinomoAPI import BinomoAPI, TradeError
async def handle_trade_errors(api: BinomoAPI):
try:
result = await api.place_call_option(
asset="EUR/USD",
duration_seconds=60,
amount=5.0
)
except TradeError as e:
print(f"Trade failed: {e}")
# Handle trade failure:
# 1. Verify asset availability
# 2. Check market conditions
# 3. Validate parameters
from BinomoAPI import BinomoAPI, InsufficientBalanceError
async def handle_balance_errors(api: BinomoAPI):
try:
await api.place_call_option(
asset="EUR/USD",
duration_seconds=60,
amount=1000.0
)
except InsufficientBalanceError as e:
print(f"Insufficient funds: {e}")
# Handle insufficient balance:
# 1. Check current balance
# 2. Adjust trade amount
# 3. Add funds if needed
from BinomoAPI.exceptions import (
AuthenticationError,
ConnectionError,
TradeError,
InsufficientBalanceError,
InvalidParameterError
)
async def professional_error_handling():
try:
# Login
login_response = BinomoAPI.login(
"email@example.com",
"password"
)
async with BinomoAPI(
auth_token=login_response.authtoken,
device_id=login_response.user_id,
demo=True
) as api:
try:
# Trading operations
result = await api.place_call_option(
asset="EUR/USD",
duration_seconds=60,
amount=5.0
)
except InsufficientBalanceError as e:
logging.error(f"Balance too low: {e}")
# Implement recovery strategy
except TradeError as e:
logging.error(f"Trade failed: {e}")
# Analyze failure reason
except InvalidParameterError as e:
logging.error(f"Invalid parameters: {e}")
# Correct parameters
except AuthenticationError as e:
logging.error(f"Authentication failed: {e}")
# Handle auth issues
except ConnectionError as e:
logging.error(f"Connection failed: {e}")
# Implement retry logic
import asyncio
from typing import Callable, Any
async def retry_with_backoff(
func: Callable,
max_retries: int = 3,
initial_delay: float = 1.0
) -> Any:
"""
Retry a function with exponential backoff.
"""
retries = 0
delay = initial_delay
while True:
try:
return await func()
except (ConnectionError, TradeError) as e:
retries += 1
if retries >= max_retries:
raise
logging.warning(
f"Attempt {retries} failed: {e}. "
f"Retrying in {delay} seconds..."
)
await asyncio.sleep(delay)
delay *= 2 # Exponential backoff
import logging
def setup_error_logging():
# Create formatter
formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
# Create handlers
file_handler = logging.FileHandler('errors.log')
file_handler.setLevel(logging.ERROR)
file_handler.setFormatter(formatter)
# Configure logger
logger = logging.getLogger('BinomoAPI')
logger.setLevel(logging.ERROR)
logger.addHandler(file_handler)
async def analyze_trade_error(
api: BinomoAPI,
error: TradeError
) -> dict:
"""
Analyze trade errors and suggest solutions.
"""
analysis = {
"error_type": type(error).__name__,
"message": str(error),
"suggestions": []
}
if "insufficient balance" in str(error).lower():
balance = await api.get_balance()
analysis["suggestions"].append(
f"Current balance (${balance.amount}) "
"is too low for trade"
)
elif "invalid asset" in str(error).lower():
assets = api.get_available_assets()
analysis["suggestions"].append(
"Asset may be temporarily unavailable. "
f"Available assets: {[a.name for a in assets]}"
)
elif "market closed" in str(error).lower():
analysis["suggestions"].append(
"Market is currently closed. "
"Check trading hours."
)
return analysis
async def analyze_connection_error(
error: ConnectionError
) -> dict:
"""
Analyze connection errors and provide solutions.
"""
import socket
analysis = {
"error_type": type(error).__name__,
"message": str(error),
"network_status": None,
"suggestions": []
}
# Check internet connection
try:
socket.create_connection(("8.8.8.8", 53))
analysis["network_status"] = "connected"
except OSError:
analysis["network_status"] = "disconnected"
analysis["suggestions"].append(
"No internet connection detected"
)
# Analyze error message
if "timeout" in str(error).lower():
analysis["suggestions"].append(
"Request timed out. Check network speed."
)
elif "refused" in str(error).lower():
analysis["suggestions"].append(
"Connection refused. Service may be down."
)
return analysis
async def recover_session(api: BinomoAPI) -> bool:
"""
Attempt to recover a failed session.
"""
try:
# Re-authenticate
login_response = BinomoAPI.login(
api.email,
api.password
)
# Update credentials
api.auth_token = login_response.authtoken
api.device_id = login_response.user_id
# Verify recovery
await api.get_balance()
return True
except Exception as e:
logging.error(f"Session recovery failed: {e}")
return False
async def recover_failed_trade(
api: BinomoAPI,
original_params: dict
) -> bool:
"""
Attempt to recover a failed trade.
"""
try:
# Verify account status
balance = await api.get_balance()
if balance.amount < original_params["amount"]:
logging.error("Insufficient balance for recovery")
return False
# Verify asset status
assets = api.get_available_assets()
asset = next(
(a for a in assets
if a.name == original_params["asset"]),
None
)
if not asset or not asset.is_active:
logging.error("Asset not available for recovery")
return False
# Retry trade
await api.place_call_option(**original_params)
return True
except Exception as e:
logging.error(f"Trade recovery failed: {e}")
return False
Remember to always implement appropriate error handling for your specific use case!