This document discusses Homi, a Python gRPC microservices framework. Homi aims to provide a Flask-like interface for building gRPC services, with features like automatic argument parsing, serialization, and a configuration-less approach to running gRPC servers. It utilizes decorators and an inspect module to simplify gRPC service development. The document provides code examples for building gRPC services with Homi and outlines its goals of having a pluggable structure and service blueprinting capabilities.

2. Speaker
) SpaceOne(cloud platform)
) CodeLion
Futreworks Ssoldot
maintained project
Homi python gRPC micro service framework
grpc-requests relaction support gRPC client
PPTT PowerPoint Template for python

3. Contents
gRP
C
gRPC Workflo
w
gRPC
gRPC for Human
s
Decorato
r
Inspect Module

5. Who use gRPC?

6. REST vs gRPC
https://medium.com/@EmperorRXF/evaluating-performance-of-rest-vs-grpc-1b8bdf0b22da-
gRPC
Rest
2
Rest,gRPC
100, 200

7. gRPC - Protocol Buffers
XML 3~10 , 20~100 !

8. gRPC - Stub
proto
Stub

9. gRPC - Stub
proto
Stub
SDK
,

10. gRPC Workflow

11. How to make gRPC Server?
ProtoBu
f
ProtoBu
f

12. How to make gRPC Server?
ProtoBu
f
ProtoBu
f
helloworld.proto

13. How to make gRPC Server?
ProtoBu
f
ProtoBu
f
helloworld.proto
helloworld_pb2.py
helloworld_pb2_grpc.py

14. How to make gRPC Server?
ProtoBu
f
ProtoBu
f
helloworld.proto
helloworld_pb2.py
helloworld_pb2_grpc.py
GreeterServicer Class

15. How to make gRPC Server?
ProtoBu
f
ProtoBu
f
helloworld.proto
helloworld_pb2.py
helloworld_pb2_grpc.py
GreeterServicer Class add_GreeterServicer_to_server

16. ProtoBuf
Swaggerhelloworld.proto

17. ProtoBuf
1.
2.
3.
4.

18. ProtoBuf
1.
2.
3.
4.

19. ProtoBuf
1.
2.
3.
4.

20. ProtoBuf
1.
2.
3.
4.

21. ProtoBuf
$ python -m grpc_tools.protoc -I ./protos --python_out=. --grpc_python_out=. ./protos/helloworld.proto
grpc_tools helloworld.proto Stub
hellowrold_pb2.py
orm
hellowrold_pb2_grpc.py
pb2 grpc
hellowrold.proto

22. helloworld_pb2_grpc

24. Python gRPC

25. request

26. request
breakpoint() request

27. request
breakpoint() request???

28. request
breakpoint() request

29. request
breakpoint() request
???

30. request
breakpoint() request

33. gRPC for Humans

34. Homi
micro gRPC framework like Flask

35. Scope of Homi
ProtoBu
f
ProtoBu
f
helloworld.proto
helloworld_pb2.py
helloworld_pb2_grpc.py
Homi

36. Plugable Sturct for EcoSyste
m
Flask like easy interfac
e
auto parse argument
auto serialization data
config less to run gRPC server
Feature of Homi

37. Plugable Sturct for EcoSyste
m
Flask like easy interfac
e
auto parse argument
auto serialization data
config less to run gRPC server
Feature of Homi

38. Plugable Sturct for EcoSyste
m
Flask like easy interfac
e
auto parse argument
auto serialization data
config less to run gRPC server
Feature of Homi

39. Plugable Sturct for EcoSyste
m
Flask like easy interfac
e
auto parse argument
auto serialization data
config less to run gRPC server
Service blueprint
Feature of Homi

40. Plugable Sturct for EcoSyste
m
Flask like easy interfac
e
auto parse argument
auto serialization data
config less to run gRPC server
Feature of Homi

41. Plugable Sturct for EcoSyste
m
Flask like easy interfac
e
auto parse argument
auto serialization data
config less to run gRPC server
Feature of Homi

42. Plugable Sturct for EcoSyste
m
Flask like easy interfac
e
auto parse argument
auto serialization data
config less to run gRPC server
Feature of Homi

43. Feature of Homi

44. Decorator

45. Decorator

46. Decorator usecase

47. Decorator

48. Decorator

49. Decorator

50. Decorator

51. Decorator

52. Register Decorator Example

53. Inspect Module

54. Inspect module usecase

55. Inspect module usecase

56. Inspect module usecase

57. Inspect module

58. Inspect module

59. Inspect module

60. Inspect module

61. Inspect module

62. Inspect module

63. Inspect module

64. Homi
micro gRPC framework like Flask

65. Let’s Code Pythonic!