Add entry point for getting environment information.

aiogram/__main__.py

@@ -0,0 +1,83 @@
+import platform
+import sys
+
+import aiohttp
+
+import aiogram
+from aiogram.utils import json
+
+
+class SysInfo:
+    @property
+    def os(self):
+        return platform.platform()
+
+    @property
+    def python_implementation(self):
+        return platform.python_implementation()
+
+    @property
+    def python(self):
+        return sys.version.replace('\n', '')
+
+    @property
+    def aiogram(self):
+        return aiogram.__version__
+
+    @property
+    def api(self):
+        return aiogram.__api_version__
+
+    @property
+    def uvloop(self):
+        try:
+            import uvloop
+        except ImportError:
+            return
+        return uvloop.__version__
+
+    @property
+    def ujson(self):
+        try:
+            import ujson
+        except ImportError:
+            return
+        return ujson.__version__
+
+    @property
+    def rapidjson(self):
+        try:
+            import rapidjson
+        except ImportError:
+            return
+        return rapidjson.__version__
+
+    @property
+    def aiohttp(self):
+        return aiohttp.__version__
+
+    def collect(self):
+        yield f'{self.python_implementation}: {self.python}'
+        yield f'OS: {self.os}'
+        yield f'aiogram: {self.aiogram}'
+        yield f'aiohttp: {self.aiohttp}'
+
+        uvloop = self.uvloop
+        if uvloop:
+            yield f'uvloop: {uvloop}'
+
+        yield f'JSON mode: {json.mode}'
+
+        rapidjson = self.rapidjson
+        if rapidjson:
+            yield f'rapidjson: {rapidjson}'
+        ujson = self.ujson
+        if ujson:
+            yield f'ujson: {ujson}'
+
+    def __str__(self):
+        return '\n'.join(self.collect())
+
+
+if __name__ == '__main__':
+    print(SysInfo())