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fastapi-validation-i18n
Advanced tools
error message with i18n support in FastAPI
{
"errors": [
{
"loc": [
"body",
"string"
],
"msg": "確保此值最多有 10 個字符",
"type": "value_error.any_str.max_length",
"ctx": {
"limit_value": 10
}
},
{
"loc": [
"body",
"nested",
"body"
],
"msg": "確保此值最多有 2 個字符",
"type": "value_error.any_str.max_length",
"ctx": {
"limit_value": 2
}
},
{
"loc": [
"body",
"nested",
"inner",
"inner_body"
],
"msg": "確保此值最多包含 2 個項目",
"type": "value_error.list.max_items",
"ctx": {
"limit_value": 2
}
},
{
"loc": [
"body",
"nested",
"inner",
"cat"
],
"msg": "鑑別器 'color' 和值 'ccc' 不匹配(允許的值: 'black', 'white')",
"type": "value_error.discriminated_union.invalid_discriminator",
"ctx": {
"discriminator_key": "color",
"discriminator_value": "ccc",
"allowed_values": "'black', 'white'"
}
}
]
}
all parameters are optional
param | description | default |
---|---|---|
locale_path | the path of your locale files | locales |
locale_list | support locales in your app in tuple | ('zh-TW', 'ja-JP', 'en-US') |
bind_to_life_span | set to True if you want the translator instance be created when on app startup | False |
setup
from fastapi_validation_i18n import setup
from fastapi import FastAPI
app = FastAPI()
setup(app, locale_path=..., locale_list=...)
from fastapi import FastAPI
from fastapi_validation_i18n import I18nMiddleware, i18n_exception_handler
from fastapi.exceptions import RequestValidationError
app = FastAPI()
app.add_middleware(I18nMiddleware, locale_path='your-publish-path')
app.add_exception_handler(
RequestValidationError,
i18n_exception_handler
)
# default to "locale" in your project path
poetry run publish-locale <your-path> [--locale]
there are 3 ways to set locale
accept-language
header to your requestlocale
in pathlocale
query parameter to your requestyou can see the example for more detail
FAQs
FastAPI request validation with i18n error message
We found that fastapi-validation-i18n demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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