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75bea1c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 | """DateTime tool implementation."""
from __future__ import annotations
from dataclasses import dataclass, field
from datetime import datetime, timedelta
from typing import Any
from zoneinfo import ZoneInfo
from src.tools.base import Tool, ToolParameter, ToolResult
from src.utils.logging import get_logger
logger = get_logger(__name__)
@dataclass
class DateTimeTool(Tool):
"""Tool for date and time operations."""
name: str = "datetime"
description: str = "Perform date/time operations: get current time, convert timezones, calculate date differences, add/subtract durations."
parameters: list[ToolParameter] = field(default_factory=lambda: [
ToolParameter(
name="operation",
type="string",
description="The operation to perform",
required=True,
enum=["current", "convert_timezone", "date_diff", "add_duration", "format", "parse"],
),
ToolParameter(
name="timezone",
type="string",
description="Timezone for the operation (e.g., 'America/New_York', 'UTC', 'Asia/Tokyo')",
required=False,
default="UTC",
),
ToolParameter(
name="date",
type="string",
description="Date string for operations (ISO format: YYYY-MM-DD or YYYY-MM-DDTHH:MM:SS)",
required=False,
),
ToolParameter(
name="date2",
type="string",
description="Second date for date_diff operation",
required=False,
),
ToolParameter(
name="days",
type="integer",
description="Number of days for add_duration operation",
required=False,
default=0,
),
ToolParameter(
name="hours",
type="integer",
description="Number of hours for add_duration operation",
required=False,
default=0,
),
ToolParameter(
name="target_timezone",
type="string",
description="Target timezone for convert_timezone operation",
required=False,
),
ToolParameter(
name="format_string",
type="string",
description="Format string for format operation (e.g., '%Y-%m-%d %H:%M')",
required=False,
default="%Y-%m-%d %H:%M:%S %Z",
),
])
async def execute(self, **kwargs: Any) -> ToolResult:
"""Execute a datetime operation.
Args:
operation: Operation to perform
**kwargs: Operation-specific parameters
Returns:
ToolResult with datetime result
"""
operation = kwargs.get("operation", "current")
try:
if operation == "current":
return await self._get_current(kwargs)
elif operation == "convert_timezone":
return await self._convert_timezone(kwargs)
elif operation == "date_diff":
return await self._date_diff(kwargs)
elif operation == "add_duration":
return await self._add_duration(kwargs)
elif operation == "format":
return await self._format_date(kwargs)
elif operation == "parse":
return await self._parse_date(kwargs)
else:
return ToolResult.fail(f"Unknown operation: {operation}")
except Exception as e:
logger.error(f"DateTime operation failed: {e}")
return ToolResult.fail(f"DateTime operation failed: {e}")
async def _get_current(self, kwargs: dict[str, Any]) -> ToolResult:
"""Get current date/time."""
timezone_str = kwargs.get("timezone", "UTC")
try:
tz = ZoneInfo(timezone_str)
except Exception:
return ToolResult.fail(f"Invalid timezone: {timezone_str}")
now = datetime.now(tz)
return ToolResult.ok({
"operation": "current",
"timezone": timezone_str,
"datetime": now.isoformat(),
"date": now.strftime("%Y-%m-%d"),
"time": now.strftime("%H:%M:%S"),
"day_of_week": now.strftime("%A"),
"unix_timestamp": int(now.timestamp()),
})
async def _convert_timezone(self, kwargs: dict[str, Any]) -> ToolResult:
"""Convert datetime between timezones."""
date_str = kwargs.get("date")
source_tz = kwargs.get("timezone", "UTC")
target_tz = kwargs.get("target_timezone")
if not date_str:
return ToolResult.fail("Date is required for timezone conversion")
if not target_tz:
return ToolResult.fail("Target timezone is required")
try:
source = ZoneInfo(source_tz)
target = ZoneInfo(target_tz)
except Exception as e:
return ToolResult.fail(f"Invalid timezone: {e}")
# Parse the date
dt = self._parse_datetime(date_str)
if dt.tzinfo is None:
dt = dt.replace(tzinfo=source)
# Convert
converted = dt.astimezone(target)
return ToolResult.ok({
"operation": "convert_timezone",
"source_timezone": source_tz,
"target_timezone": target_tz,
"original": dt.isoformat(),
"converted": converted.isoformat(),
})
async def _date_diff(self, kwargs: dict[str, Any]) -> ToolResult:
"""Calculate difference between two dates."""
date1_str = kwargs.get("date")
date2_str = kwargs.get("date2")
if not date1_str or not date2_str:
return ToolResult.fail("Both dates are required for date_diff")
dt1 = self._parse_datetime(date1_str)
dt2 = self._parse_datetime(date2_str)
diff = dt2 - dt1
total_seconds = diff.total_seconds()
return ToolResult.ok({
"operation": "date_diff",
"date1": dt1.isoformat(),
"date2": dt2.isoformat(),
"difference": {
"days": diff.days,
"total_seconds": total_seconds,
"total_hours": total_seconds / 3600,
"total_minutes": total_seconds / 60,
"weeks": diff.days / 7,
},
})
async def _add_duration(self, kwargs: dict[str, Any]) -> ToolResult:
"""Add a duration to a date."""
date_str = kwargs.get("date")
days = kwargs.get("days", 0)
hours = kwargs.get("hours", 0)
timezone_str = kwargs.get("timezone", "UTC")
if date_str:
dt = self._parse_datetime(date_str)
else:
tz = ZoneInfo(timezone_str)
dt = datetime.now(tz)
duration = timedelta(days=days, hours=hours)
result = dt + duration
return ToolResult.ok({
"operation": "add_duration",
"original": dt.isoformat(),
"duration": {"days": days, "hours": hours},
"result": result.isoformat(),
"result_date": result.strftime("%Y-%m-%d"),
"result_day": result.strftime("%A"),
})
async def _format_date(self, kwargs: dict[str, Any]) -> ToolResult:
"""Format a date with a custom format string."""
date_str = kwargs.get("date")
format_string = kwargs.get("format_string", "%Y-%m-%d %H:%M:%S")
timezone_str = kwargs.get("timezone", "UTC")
if date_str:
dt = self._parse_datetime(date_str)
else:
tz = ZoneInfo(timezone_str)
dt = datetime.now(tz)
formatted = dt.strftime(format_string)
return ToolResult.ok({
"operation": "format",
"datetime": dt.isoformat(),
"format_string": format_string,
"formatted": formatted,
})
async def _parse_date(self, kwargs: dict[str, Any]) -> ToolResult:
"""Parse a date string into components."""
date_str = kwargs.get("date")
if not date_str:
return ToolResult.fail("Date string is required for parse")
dt = self._parse_datetime(date_str)
return ToolResult.ok({
"operation": "parse",
"input": date_str,
"parsed": {
"year": dt.year,
"month": dt.month,
"day": dt.day,
"hour": dt.hour,
"minute": dt.minute,
"second": dt.second,
"day_of_week": dt.strftime("%A"),
"iso_format": dt.isoformat(),
},
})
def _parse_datetime(self, date_str: str) -> datetime:
"""Parse a datetime string in various formats.
Args:
date_str: Date string to parse
Returns:
Parsed datetime object
"""
formats = [
"%Y-%m-%dT%H:%M:%S%z",
"%Y-%m-%dT%H:%M:%S",
"%Y-%m-%d %H:%M:%S",
"%Y-%m-%d",
"%m/%d/%Y",
"%d/%m/%Y",
"%B %d, %Y",
]
for fmt in formats:
try:
return datetime.strptime(date_str, fmt)
except ValueError:
continue
# Try ISO format parsing
try:
return datetime.fromisoformat(date_str)
except ValueError:
pass
raise ValueError(f"Could not parse date: {date_str}")
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