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# zig-fetch-py
A Python tool to parse Zig Object Notation (ZON) files and convert them to JSON.
## Installation
### Using uv (recommended)
[uv](https://github.com/astral-sh/uv) is a fast Python package installer and resolver. To install zig-fetch-py using uv:
```bash
# Install uv if you don't have it
curl -sSf https://astral.sh/uv/install.sh | bash
# Create and activate a virtual environment
uv venv
source .venv/bin/activate # On Windows: .venv\Scripts\activate
# Install the package in development mode
uv pip install -e .
# Install development dependencies
uv pip install -e ".[dev]"
```
### Using pip
```bash
# Create and activate a virtual environment
python -m venv .venv
source .venv/bin/activate # On Windows: .venv\Scripts\activate
# Install the package in development mode
pip install -e .
# Install development dependencies
pip install -e ".[dev]"
```
## Usage
### Command Line
```bash
# Basic usage
zon2json path/to/file.zon
# Output to a file
zon2json path/to/file.zon -o output.json
# Pretty print the JSON
zon2json path/to/file.zon -p
# Enable verbose logging
zon2json path/to/file.zon -v
```
### Python API
```python
from zig_fetch_py.parser import parse_zon_file, zon_to_json
# Parse a ZON file
result = parse_zon_file("path/to/file.zon")
print(result) # Python dictionary
# Convert ZON content to JSON
zon_content = """.{
.name = "test",
.version = "1.0.0",
}"""
json_str = zon_to_json(zon_content, indent=4)
print(json_str)
```
## Development
### Running Tests
```bash
# Run all tests
pytest
# Run tests with coverage
pytest --cov=zig_fetch_py
# Generate coverage report
pytest --cov=zig_fetch_py --cov-report=html
```
## ZON Format
Zig Object Notation (ZON) is a data format used by the Zig programming language. It's similar to JSON but with some differences in syntax:
- Objects are defined with `.{ ... }`
- Keys are prefixed with a dot: `.key = value`
- Arrays are defined with `.[ ... ]`
- Special identifiers can be quoted with `@`: `.@"special-name" = value`
- Comments use `//` syntax
Example:
```zon
.{
.name = .zls,
// Must match the `zls_version` in `build.zig`
.version = "0.15.0-dev",
// Must be kept in line with the `minimum_build_zig_version` in `build.zig`.
// Should be a Zig version that is downloadable from https://ziglang.org/download/ or a mirror.
.minimum_zig_version = "0.14.0",
// If you do not use Nix, a ZLS maintainer can take care of this.
// Whenever the dependencies are updated, run the following command:
// ```bash
// nix run github:Cloudef/zig2nix#zon2nix -- build.zig.zon > deps.nix
// rm build.zig.zon2json-lock # this file is unnecessary
// ```
.name = "example",
.version = "1.0.0",
.dependencies = .{
.known_folders = .{
.url = "https://github.com/ziglibs/known-folders/archive/aa24df42183ad415d10bc0a33e6238c437fc0f59.tar.gz",
.hash = "known_folders-0.0.0-Fy-PJtLDAADGDOwYwMkVydMSTp_aN-nfjCZw6qPQ2ECL",
},
.diffz = .{
.url = "https://github.com/ziglibs/diffz/archive/ef45c00d655e5e40faf35afbbde81a1fa5ed7ffb.tar.gz",
.hash = "N-V-__8AABhrAQAQLLLGadghhPsdxTgBk9N9aLVOjXW3ay0V",
},
.@"lsp-codegen" = .{
.url = "https://github.com/zigtools/zig-lsp-codegen/archive/063a98c13a2293d8654086140813bdd1de6501bc.tar.gz",
.hash = "lsp_codegen-0.1.0-CMjjo0ZXCQB-rAhPYrlfzzpU0u0u2MeGvUucZ-_g32eg",
},
.tracy = .{
.url = "https://github.com/wolfpld/tracy/archive/refs/tags/v0.11.1.tar.gz",
.hash = "N-V-__8AAMeOlQEipHjcyu0TCftdAi9AQe7EXUDJOoVe0k-t",
.lazy = true,
.lib1 = .{
.url = "https://example.com/lib1.tar.gz",
.hash = "abcdef123456",
},
},
.paths = .{""},
.fingerprint = 0xa66330b97eb969ae, // Changing this has security and trust implications.
.tags = .["tag1", "tag2"],
}
```
It's called `zon`, the Zig Object Notation. I think You need to parse it first (convert to json) and then parse the json.
## License
MIT