Add Bot API parser and code-generator

generator/templates/type.py.jinja2

@@ -0,0 +1,12 @@
+class {{ entity.python_name }}(pydantic.BaseModel):
+    """
+    {{ entity.description|indent(width=4) }}
+
+    Source: https://core.telegram.org/bots/api#{{ entity.anchor }}
+    """
+{% for annotation in entity.annotations %}
+    {{ annotation.python_argument }}
+    """{{ annotation.description|indent(width=4) }}"""
+{% else %}
+    pass
+{% endfor %}

generator/templates/types.py.jinja2

@@ -0,0 +1,20 @@
+"""
+!!! DO NOT EDIT THIS FILE !!!
+This file is autogenerated from Docs of Telegram Bot API at {{ timestamp }}
+"""
+import typing
+
+import pydantic
+
+from aiogram import types
+
+__all__ = [
+{% for group in groups %}{% for entity in group.childs %}{% if entity.is_type %}
+    "{{ entity.python_name }}",
+{% endif %}{% endfor %}{% endfor %}
+]
+
+
+{% for group in groups %}
+{% include 'types_group.py.jinja2' %}
+{% endfor %}

generator/templates/types_group.py.jinja2

@@ -0,0 +1,10 @@
+# %% Region: '{{ group.title }}'
+"""{% if group.description %}
+{{ group.description }}
+{% endif %}
+link: https://core.telegram.org/bots/api#{{ group.anchor }}
+"""
+{% for entity in group.childs %}{% if entity.is_type %}
+{% include 'type.py.jinja2' %}
+{% endif %}{% endfor %}
+# %% End of region '{{ group.title }}'