FastAPI Framework

  1. Request Body Handling
    1. Pydantic Model Integration
      1. BaseModel Definition
        1. Field Type Annotations
          1. Model Inheritance
            1. Model Configuration
            2. Basic Request Body Processing
              1. JSON Data Reception
                1. Automatic Parsing
                  1. Validation Error Handling
                    1. Model Instance Creation
                    2. Field Validation with Pydantic
                      1. Field Function Usage
                        1. Default Value Assignment
                          1. Field Descriptions
                            1. Example Values
                              1. Validation Constraints
                                1. String Constraints
                                  1. Numeric Constraints
                                    1. Date and Time Constraints
                                  2. Complex Data Types
                                    1. Nested Models
                                      1. Model Composition
                                        1. Deep Nesting Patterns
                                        2. List Fields
                                          1. List of Primitives
                                            1. List of Models
                                              1. List Validation
                                              2. Dictionary Fields
                                                1. Key-Value Pairs
                                                  1. Dictionary Validation
                                                  2. Set Fields
                                                    1. Union Types
                                                      1. Multiple Type Options
                                                        1. Discriminated Unions
                                                        2. Optional Fields
                                                          1. None Values
                                                            1. Default Handling
                                                          2. Form Data Processing
                                                            1. Form Parameter Definition
                                                              1. URL Encoded Data
                                                                1. Multipart Form Data
                                                                  1. Form Validation
                                                                  2. File Upload Handling
                                                                    1. File Parameter Definition
                                                                      1. UploadFile Usage
                                                                        1. Single File Uploads
                                                                          1. Multiple File Uploads
                                                                            1. File Validation
                                                                              1. File Size Limits
                                                                                1. File Type Restrictions

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                                                                              7. Request Headers and Cookies

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                                                                              9. Response Handling