### Install translate-json package

Source: https://github.com/yxor/translate-json/blob/main/README.md

Install the package via pip.

```sh
pip install translate-json
```

--------------------------------

### Install translate-json Package

Source: https://context7.com/yxor/translate-json/llms.txt

Install the package using pip and set your Google Cloud Translate API key as an environment variable or in a .env file.

```bash
pip install translate-json
```

```bash
export GOOGLE_TRANSLATE_TOKEN=your_google_translate_api_key
```

```bash
echo "GOOGLE_TRANSLATE_TOKEN=your_google_translate_api_key" > .env
```

--------------------------------

### Define source JSON file

Source: https://github.com/yxor/translate-json/blob/main/README.md

Example input JSON file structure containing strings and nested objects.

```JSON
{
   "title": "Hello World",
   "tags": {
      "lara": ["Video games", "swimming", "Interrupt routines"],
      "david": [
         {
            "value": "Baseball",
            "count": 5
         },
         "Climbing trees"
      ]
   },
   "example": {
      "title": "This will be translated",
      "ok": true
   }
}
```

--------------------------------

### View translated JSON output

Source: https://github.com/yxor/translate-json/blob/main/README.md

Example output files generated by the translation process.

```JSON
{
   "title": "Bonjour le monde",
   "tags": {
      "lara": [
         "Jeux vidéo",
         "la natation",
         "Routines d'interruption"
      ],
      "david": [
         {
               "value": "Base-ball",
               "count": 5
         },
         "Grimper aux arbres"
      ]
   },
   "example": {
      "title": "Cela sera traduit",
      "ok": true
   }
}
```

```JSON
{
    "title": "Hallo Wereld",
    "tags": {
        "lara": [
            "Computerspellen",
            "zwemmen",
            "Routines onderbreken"
        ],
        "david": [
            {
                "value": "Basketbal",
                "count": 5
            },
            "Bomen klimmen"
        ]
    },
    "example": {
        "title": "Dit wordt vertaald",
        "ok": true
    }
}
```

--------------------------------

### View CLI help and usage

Source: https://github.com/yxor/translate-json/blob/main/README.md

Display the command line interface help menu and argument definitions.

```text
usage: translate-json [-h] -f FILE -s SOURCE_LANGUAGE [-o OUT] -l LANGS [LANGS ...] -k KEY

Translate all string values in a JSON file to multiple languages using the google translate API.

optional arguments:
  -h, --help            show this help message and exit
  -f FILE, --file FILE  The input file path
  -s SOURCE_LANGUAGE, --source-language SOURCE_LANGUAGE
                        The source language code
  -o OUT, --out OUT     The output directory path, will contain the created translation files
  -l LANGS [LANGS ...], --langs LANGS [LANGS ...]
                        List of target languages you want to translate the file to
  -k KEY, --key KEY     Google translate API key, don't set this if you already have a key set as the environement
                        variable "GOOGLE_TRANSLATE_TOKEN"
```

--------------------------------

### Import and use library in Python

Source: https://github.com/yxor/translate-json/blob/main/README.md

Programmatic usage of the library. Ensure the Google Cloud Translate API key is set as an environment variable.

```python
from translate_json.translate import translate_all


if __name__=="__main__":
   # you must set the google cloud translate API key as an environment variable before running this program
   translate_all('source.json', 'en', ['nl', 'de', 'fr'], './dist/')
```

--------------------------------

### Utility Functions

Source: https://context7.com/yxor/translate-json/llms.txt

Helper functions for JSON file I/O and translation file path management.

```APIDOC
## Utility Functions

### open_json(path)
- **Description**: Loads a JSON file into a dictionary.
- **Parameters**: path (str) - Path to the JSON file.

### save_json(o, path)
- **Description**: Saves a dictionary to a JSON file with UTF-8 encoding.
- **Parameters**: 
  - o (dict) - The data to save.
  - path (str) - The destination file path.

### translation_path(original_path, lang_code)
- **Description**: Generates a translation filename using the convention {name}.{lang_code}.json.
- **Parameters**:
  - original_path (str) - The base filename.
  - lang_code (str) - The target language code.
```

--------------------------------

### Execute CLI translation

Source: https://github.com/yxor/translate-json/blob/main/README.md

Run the translation command to process the source file into Dutch and French.

```sh
translate-json -f source.json -s en -o ./translations/ -l nl fr -k YOUR_API_KEY
```

--------------------------------

### JSON File I/O and Translation Path Utilities

Source: https://context7.com/yxor/translate-json/llms.txt

Provides utility functions for loading JSON files into dictionaries, saving dictionaries to JSON files (preserving UTF-8), and generating language-specific translation filenames. The `translation_path` function creates filenames in the format 'basename.lang.ext'.

```python
from translate_json.utils import open_json, save_json, translation_path

# Load a JSON file into a dictionary
data = open_json('locales/en.json')
# Returns: {"key": "value", ...}

# Save a dictionary to a JSON file (UTF-8, non-ASCII characters preserved)
save_json(
    o={"greeting": "Bonjour le monde"},
    path='locales/fr.json'
)

# Generate a translation filename
filename = translation_path('locales/messages.json', 'de')
print(filename)  # Output: "messages.de.json"

# Full workflow example
import os
source = open_json('source.json')
# ... perform translations ...
output_path = os.path.join('./output/', translation_path('source.json', 'es'))
save_json(translated_data, output_path)
# Creates: ./output/source.es.json
```

--------------------------------

### translate()

Source: https://context7.com/yxor/translate-json/llms.txt

Performs a single string translation using the Google Cloud Translate API.

```APIDOC
## translate(value, source, target)

### Description
Translates a single string from a source language to a target language using the Google Cloud Translate API.

### Parameters
- **value** (str) - Required - The text string to translate.
- **source** (str) - Required - The language code of the source text.
- **target** (str) - Required - The language code to translate into.

### Response
- **Returns** (str) - The translated text.
- **Raises** (TranslationError) - If the API call fails due to invalid keys or unsupported language codes.
```

--------------------------------

### Exception Classes

Source: https://context7.com/yxor/translate-json/llms.txt

Custom exceptions for handling translation and argument errors.

```APIDOC
## Exception Classes

### TranslationError
- **Description**: Raised when the Google Cloud Translate API fails (e.g., invalid API key, network issues).

### BadArgumentException
- **Description**: Raised for invalid CLI arguments, such as missing files, invalid language codes, or incorrect output paths.
```

--------------------------------

### Handling Translation API and Argument Exceptions

Source: https://context7.com/yxor/translate-json/llms.txt

Demonstrates the use of custom exception classes: `TranslationError` for Google Translate API failures and `BadArgumentException` for invalid command-line arguments. The `TranslationError` catch block provides a sample error message.

```python
from translate_json.utils import TranslationError, BadArgumentException
from translate_json.translate import translate
import os

os.environ["GOOGLE_TRANSLATE_TOKEN"] = "your_api_key"

# TranslationError: raised when Google Translate API fails
try:
    result = translate("Hello", "en", "invalid_lang_code")
except TranslationError as e:
    print(f"API Error: {e}")
    # "Error getting the data from google translate API, 
    #  make sure you are using valid API key and language codes"

# BadArgumentException: raised for invalid CLI arguments
# This is used internally by ConsoleManager for validation:
# - Invalid or non-existent input file
# - Missing source language
# - Empty target languages list
# - Invalid output directory path
```

--------------------------------

### Translate JSON File via CLI

Source: https://context7.com/yxor/translate-json/llms.txt

Use the translate-json command to translate a JSON file to specified languages. Output files are named with the pattern {filename}.{lang}.json. The API key can be provided directly or via an environment variable.

```bash
translate-json -f source.json -s en -o ./translations/ -l nl fr -k YOUR_API_KEY
```

```bash
export GOOGLE_TRANSLATE_TOKEN=YOUR_API_KEY
translate-json -f source.json -s en -o ./translations/ -l nl fr de es
```

```bash
translate-json -f locales/en.json -s en -l ja zh ko
```

--------------------------------

### CLI Usage: translate-json

Source: https://context7.com/yxor/translate-json/llms.txt

Command-line interface for translating JSON files. It supports specifying source and target languages, input files, and output directories. API key can be provided directly or via environment variable.

```APIDOC
## CLI Usage: translate-json

### Description
The `translate-json` command translates a JSON file to one or more target languages, outputting separate files for each language with the naming pattern `{filename}.{lang}.json`.

### Method
CLI Command

### Endpoint
N/A (Command-line tool)

### Parameters
#### Command-line Arguments
- **-f, --file** (string) - Required - Path to the source JSON file.
- **-s, --source** (string) - Required - ISO 639-1 source language code.
- **-o, --output** (string) - Optional - Output directory for translated files. Defaults to the current directory.
- **-l, --languages** (string) - Required - Comma-separated list of target ISO 639-1 language codes.
- **-k, --key** (string) - Optional - Google Cloud Translate API key. If not provided, it looks for the `GOOGLE_TRANSLATE_TOKEN` environment variable.

### Request Example
```bash
# Basic usage: translate source.json from English to Dutch and French
translate-json -f source.json -s en -o ./translations/ -l nl fr -k YOUR_API_KEY

# Using environment variable for API key (recommended)
export GOOGLE_TRANSLATE_TOKEN=YOUR_API_KEY
translate-json -f source.json -s en -o ./translations/ -l nl fr de es

# Output to current directory (default when -o is omitted)
translate-json -f locales/en.json -s en -l ja zh ko
```

### Response
#### Output Files (200)
- Files are generated in the specified output directory (or current directory) with the pattern `{filename}.{lang}.json` for each target language.
- Non-string values (numbers, booleans, nulls) are preserved unchanged.

### Response Example
```json
# Example input file (source.json):
# {
#    "title": "Hello World",
#    "tags": {
#       "lara": ["Video games", "swimming", "Interrupt routines"],
#       "david": [
#          {"value": "Baseball", "count": 5},
#          "Climbing trees"
#       ]
#    },
#    "example": {"title": "This will be translated", "ok": true}
# }

# Output files created in ./translations/ directory:
# translations/source.nl.json
# translations/source.fr.json
```
```

--------------------------------

### Batch Translate JSON File Programmatically

Source: https://context7.com/yxor/translate-json/llms.txt

The translate_all function translates a source JSON file to multiple target languages and saves each translation to a separate file in the specified output directory. Ensure the API key is set via the environment variable.

```python
from translate_json.translate import translate_all
import os

os.environ["GOOGLE_TRANSLATE_TOKEN"] = "your_google_translate_api_key"

translate_all(
    input_path='locales/en.json',
    source_language='en',
    target_languages=['nl', 'de', 'fr'],
    output_dir='./dist/'
)
```

--------------------------------

### translate_all() Function

Source: https://context7.com/yxor/translate-json/llms.txt

Python function for batch translation of JSON files. It reads a source JSON, translates it to specified target languages, and saves each translation to a separate file.

```APIDOC
## translate_all()

### Description
The `translate_all` function is the primary programmatic interface for batch translation. It reads a source JSON file, translates it to all specified target languages, and saves each translation to a separate output file.

### Method
Python Function

### Endpoint
N/A (Python library function)

### Parameters
#### Function Parameters
- **input_path** (string) - Required - Path to the source JSON file.
- **source_language** (string) - Required - ISO 639-1 source language code.
- **target_languages** (list of strings) - Required - List of target ISO 639-1 language codes.
- **output_dir** (string) - Optional - Output directory for translated files. Defaults to the current directory.
- **api_key** (string) - Optional - Google Cloud Translate API key. If not provided, it looks for the `GOOGLE_TRANSLATE_TOKEN` environment variable.

### Request Example
```python
from translate_json.translate import translate_all
import os

# Set API key via environment variable (recommended)
os.environ["GOOGLE_TRANSLATE_TOKEN"] = "your_google_translate_api_key"

# Translate a JSON file to multiple languages
translate_all(
    input_path='locales/en.json',           # Source JSON file path
    source_language='en',                    # ISO 639-1 source language code
    target_languages=['nl', 'de', 'fr'],     # List of target language codes
    output_dir='./dist/'                     # Output directory for translated files
)
```

### Response
#### Output Files (200)
- Separate JSON files are created in the specified `output_dir` for each target language.
- File naming convention: `{input_filename_without_extension}.{target_language_code}.json`.

### Response Example
```python
# Output files created in ./dist/ directory:
# - dist/en.nl.json (Dutch)
# - dist/en.de.json (German)
# - dist/en.fr.json (French)
```
```

--------------------------------

### Translate Single String with Google Cloud API

Source: https://context7.com/yxor/translate-json/llms.txt

Performs a single string translation using the Google Cloud Translate API. Ensure the GOOGLE_TRANSLATE_TOKEN environment variable is set with your API key. Handles TranslationError for API failures.

```python
from translate_json.translate import translate
from translate_json.utils import TranslationError
import os

os.environ["GOOGLE_TRANSLATE_TOKEN"] = "your_google_translate_api_key"

try:
    # Translate a single string from English to German
    result = translate(
        value="Hello, how are you?",
        source="en",
        target="de"
    )
    print(result)  # Output: "Hallo, wie geht es dir?"

    # Translate to Japanese
    japanese = translate("Welcome to our application", "en", "ja")
    print(japanese)  # Output: "私たちのアプリケーションへようこそ"

except TranslationError as e:
    # Handle API errors (invalid key, unsupported language, etc.)
    print(f"Translation failed: {e}")
```

--------------------------------

### Translate Dictionary Object Programmatically

Source: https://context7.com/yxor/translate-json/llms.txt

The translate_object function recursively translates string values within a dictionary, preserving nested structures and non-string data types. The API key must be set in the environment.

```python
from translate_json.translate import translate_object
import os

os.environ["GOOGLE_TRANSLATE_TOKEN"] = "your_google_translate_api_key"

source_data = {
    "greeting": "Hello World",
    "count": 42,
    "active": True,
    "items": ["Apple", "Banana"],
    "nested": {
        "message": "Welcome back",
        "code": 200
    }
}

translated = translate_object(source_data, source='en', target='es')
```

--------------------------------

### translate_object() Function

Source: https://context7.com/yxor/translate-json/llms.txt

Python function to recursively translate string values within a dictionary, preserving the original JSON structure and non-string data types.

```APIDOC
## translate_object()

### Description
The `translate_object` function recursively translates all string values within a dictionary, preserving the structure and non-string values. It handles nested objects and arrays automatically.

### Method
Python Function

### Endpoint
N/A (Python library function)

### Parameters
#### Function Parameters
- **data** (dict) - Required - The dictionary (JSON object) to translate.
- **source** (string) - Required - ISO 639-1 source language code.
- **target** (string) - Required - ISO 639-1 target language code.
- **api_key** (string) - Optional - Google Cloud Translate API key. If not provided, it looks for the `GOOGLE_TRANSLATE_TOKEN` environment variable.

### Request Example
```python
from translate_json.translate import translate_object
import os

os.environ["GOOGLE_TRANSLATE_TOKEN"] = "your_google_translate_api_key"

# Source dictionary with nested structures
source_data = {
    "greeting": "Hello World",
    "count": 42,                          # Numbers preserved
    "active": True,                       # Booleans preserved
    "items": ["Apple", "Banana"],         # Arrays translated
    "nested": {
        "message": "Welcome back",
        "code": 200
    }
}

# Translate from English to Spanish
translated = translate_object(source_data, source='en', target='es')
```

### Response
#### Translated Object (200)
- Returns a new dictionary with all string values translated to the target language.
- Non-string values (numbers, booleans, nulls) and the original structure are preserved.

### Response Example
```python
# Result:
# {
#     "greeting": "Hola Mundo",
#     "count": 42,
#     "active": True,
#     "items": ["Manzana", "Plátano"],
#     "nested": {
#         "message": "Bienvenido de nuevo",
#         "code": 200
#     }
# }
```
```

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