Init: Add fetch radar map on Nanjing

.env.dev

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+LOG_LEVEL=DEBUG

.gitignore

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+
+# Created by https://www.toptal.com/developers/gitignore/api/python
+# Edit at https://www.toptal.com/developers/gitignore?templates=python
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+### Python ###
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README.md

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+# radar-bot
+
+## How to start
+
+1. generate project using `nb create` .
+2. create your plugin using `nb plugin create` .
+3. writing your plugins under `src/plugins` folder.
+4. run your bot using `nb run --reload` .
+
+## Documentation
+
+See [Docs](https://nonebot.dev/)

pyproject.toml

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+[project]
+name = "radar-bot"
+version = "0.1.0"
+description = "radar-bot"
+readme = "README.md"
+requires-python = ">=3.9, <4.0"
+
+[tool.nonebot]
+adapters = [
+    { name = "OneBot V12", module_name = "nonebot.adapters.onebot.v12" }
+]
+plugins = []
+plugin_dirs = ["src/plugins"]
+builtin_plugins = ["echo"]

src/plugins/rdnj.py

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+from nonebot.params import EventMessage
+from nonebot.plugin import on_command
+from nonebot.rule import to_me
+
+from nonebot.adapters.onebot.v11 import Bot,MessageEvent, GroupMessageEvent
+from nonebot.adapters.onebot.v11.message import Message, MessageSegment
+
+import datetime, requests, time, pytz
+
+rdnj = on_command("rdnj", rule=to_me())
+
+@rdnj.handle()
+async def _(
+    bot: Bot,
+    evt: GroupMessageEvent,
+    evt_msg: EventMessage()
+):
+
+    tz_utc = pytz.timezone('Etc/GMT')
+    now_utc = datetime.datetime.now(tz_utc)
+    aligned_min = (now_utc.minute // 6) * 6
+    utc_time = now_utc.replace(
+        minute=aligned_min,
+        second=0,
+        microsecond=0
+    )
+
+    url = (
+        f"https://image.nmc.cn/product/"
+        f"{utc_time:%Y}/{utc_time:%m}/{utc_time:%d}/RDCP/"
+        f"SEVP_AOC_RDCP_SLDAS3_ECREF_AZ9250_L88_PI_"
+        f"{utc_time:%Y%m%d%H%M}00000.PNG"
+    )
+
+    while True:
+        try:
+            reponse = requests.get(url,allow_redirects=True)
+            if reponse.status_code==200:
+                break
+            else:
+                utc_time -= datetime.timedelta(minutes=6)
+                url = (
+                    f"https://image.nmc.cn/product/"
+                    f"{utc_time:%Y}/{utc_time:%m}/{utc_time:%d}/RDCP/"
+                    f"SEVP_AOC_RDCP_SLDAS3_ECREF_AZ9250_L88_PI_"
+                    f"{utc_time:%Y%m%d%H%M}00000.PNG"
+                ) 
+        
+        except requests.exceptions.RequestException as e:
+            print(f"Error Fetching Image: {e}")
+
+    msg = MessageSegment(f"{url}\n") + MessageSegment.image(reponse.content)
+    await rdnj.finish(msg)