|
| 1 | +import eppo_client |
| 2 | +import eppo_client.bandit |
| 3 | + |
| 4 | +from flask import Flask, request, jsonify |
| 5 | +from os import environ |
| 6 | +from dataclasses import dataclass |
| 7 | +from eppo_client.config import Config, AssignmentLogger |
| 8 | + |
| 9 | +app = Flask(__name__) |
| 10 | + |
| 11 | + |
| 12 | +class LocalAssignmentLogger(AssignmentLogger): |
| 13 | + def log_assignment(self, assignment): |
| 14 | + print(f"Assignment: {assignment}") |
| 15 | + |
| 16 | + |
| 17 | +@dataclass |
| 18 | +class AssignmentRequest: |
| 19 | + flag: str |
| 20 | + subject_key: str |
| 21 | + subject_attributes: dict |
| 22 | + assignment_type: str |
| 23 | + default_value: any |
| 24 | + |
| 25 | + |
| 26 | +@app.route('/', methods=['GET']) |
| 27 | +def health_check(): |
| 28 | + return "OK" |
| 29 | + |
| 30 | +@app.route('/sdk/reset', methods=['POST']) |
| 31 | +def reset_sdk(): |
| 32 | + initialize_client_and_wait() |
| 33 | + |
| 34 | + return "Reset complete" |
| 35 | + |
| 36 | +@app.route('/sdk/details', methods=['GET']) |
| 37 | +def get_sdk_details(): |
| 38 | + return jsonify({ |
| 39 | + "sdkName": "python-sdk", |
| 40 | + "sdkVersion": "4.1.0", |
| 41 | + "supportsBandits": False, |
| 42 | + "supportsDynamicTyping": False |
| 43 | + }) |
| 44 | + |
| 45 | +@app.route('/flags/v1/assignment', methods=['POST']) |
| 46 | +def handle_assignment(): |
| 47 | + data = request.json |
| 48 | + request_obj = AssignmentRequest( |
| 49 | + flag=data['flag'], |
| 50 | + subject_key=data['subjectKey'], |
| 51 | + subject_attributes=data['subjectAttributes'], |
| 52 | + assignment_type=data['assignmentType'], |
| 53 | + default_value=data['defaultValue'] |
| 54 | + ) |
| 55 | + print(f"Request object: {request_obj}") |
| 56 | + |
| 57 | + client = eppo_client.get_instance() |
| 58 | + |
| 59 | + try: |
| 60 | + match request_obj.assignment_type: |
| 61 | + case 'BOOLEAN': |
| 62 | + result = client.get_boolean_assignment( |
| 63 | + request_obj.flag, |
| 64 | + request_obj.subject_key, |
| 65 | + request_obj.subject_attributes, |
| 66 | + bool(request_obj.default_value) |
| 67 | + ) |
| 68 | + case 'INTEGER': |
| 69 | + result = client.get_integer_assignment( |
| 70 | + request_obj.flag, |
| 71 | + request_obj.subject_key, |
| 72 | + request_obj.subject_attributes, |
| 73 | + int(request_obj.default_value) |
| 74 | + ) |
| 75 | + case 'STRING': |
| 76 | + result = client.get_string_assignment( |
| 77 | + request_obj.flag, |
| 78 | + request_obj.subject_key, |
| 79 | + request_obj.subject_attributes, |
| 80 | + request_obj.default_value |
| 81 | + ) |
| 82 | + case 'NUMERIC': |
| 83 | + result = client.get_numeric_assignment( |
| 84 | + request_obj.flag, |
| 85 | + request_obj.subject_key, |
| 86 | + request_obj.subject_attributes, |
| 87 | + float(request_obj.default_value) |
| 88 | + ) |
| 89 | + case 'JSON': |
| 90 | + result = client.get_json_assignment( |
| 91 | + request_obj.flag, |
| 92 | + request_obj.subject_key, |
| 93 | + request_obj.subject_attributes, |
| 94 | + request_obj.default_value |
| 95 | + ) |
| 96 | + |
| 97 | + response = { |
| 98 | + "result": result, |
| 99 | + "assignmentLog": [], |
| 100 | + "banditLog": [], |
| 101 | + "error": None |
| 102 | + } |
| 103 | + print(f"response: {response}") |
| 104 | + return jsonify(response) |
| 105 | + except Exception as e: |
| 106 | + print(f"Error processing assignment: {str(e)}") |
| 107 | + response = { |
| 108 | + "result": None, |
| 109 | + "assignmentLog": [], |
| 110 | + "banditLog": [], |
| 111 | + "error": str(e) |
| 112 | + } |
| 113 | + return jsonify(response) |
| 114 | + |
| 115 | +@dataclass |
| 116 | +class BanditActionRequest: |
| 117 | + flag: str |
| 118 | + subject_key: str |
| 119 | + subject_attributes: dict |
| 120 | + actions: list |
| 121 | + default_value: any |
| 122 | + |
| 123 | + |
| 124 | +@app.route('/bandits/v1/action', methods=['POST']) |
| 125 | +def handle_bandit(): |
| 126 | + data = request.json |
| 127 | + request_obj = BanditActionRequest( |
| 128 | + flag=data['flag'], |
| 129 | + subject_key=data['subjectKey'], |
| 130 | + subject_attributes=data['subjectAttributes'], |
| 131 | + default_value=data['defaultValue'], |
| 132 | + actions=data['actions'] |
| 133 | + ) |
| 134 | + print(f"Request object: {request_obj}") |
| 135 | + |
| 136 | + # TODO: Implement bandit logic |
| 137 | + return jsonify({ |
| 138 | + "result": "action", |
| 139 | + "assignmentLog": [], |
| 140 | + "banditLog": [], |
| 141 | + "error": None |
| 142 | + }) |
| 143 | + |
| 144 | +def initialize_client_and_wait(): |
| 145 | + print("Initializing client") |
| 146 | + api_key = environ.get('EPPO_API_KEY', 'NOKEYSPECIFIED') |
| 147 | + base_url = environ.get('EPPO_BASE_URL', 'http://localhost:5000/api') |
| 148 | + |
| 149 | + client_config = Config( |
| 150 | + api_key=api_key, |
| 151 | + base_url=base_url, |
| 152 | + assignment_logger=LocalAssignmentLogger() |
| 153 | + ) |
| 154 | + eppo_client.init(client_config) |
| 155 | + client = eppo_client.get_instance() |
| 156 | + client.wait_for_initialization() |
| 157 | + print("Client initialized") |
| 158 | + |
| 159 | +if __name__ == "__main__": |
| 160 | + initialize_client_and_wait() |
| 161 | + |
| 162 | + port = int(environ.get('SDK_RELAY_PORT', 7001)) |
| 163 | + host = environ.get('SDK_RELAY_HOST', '0.0.0.0') |
| 164 | + print(f"Starting server on {host}:{port}") |
| 165 | + app.run( |
| 166 | + host=host, |
| 167 | + port=port, |
| 168 | + debug=True # Add debug mode |
| 169 | + ) |
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