Metadata-Version: 2.4
Name: baloon
Version: 1.0.1
Summary: Baloon: Modern geospatial vector format interconverter and CLI toolkit.
Author: Eric Miguel Ribeiro
License: # GNU GENERAL PUBLIC LICENSE
        Version 3, 29 June 2007
        
        Copyright (C) 2007 [Free Software Foundation, Inc.](http://fsf.org/)
        
        Everyone is permitted to copy and distribute verbatim copies of this license
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        ## Preamble
        
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        ## TERMS AND CONDITIONS
        
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        ### 7. Additional Terms.
        
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        ### 8. Termination.
        
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        ### 9. Acceptance Not Required for Having Copies.
        
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        ### 10. Automatic Licensing of Downstream Recipients.
        
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        ### 11. Patents.
        
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        A patent license is *discriminatory* if it does not include within the scope of
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        Nothing in this License shall be construed as excluding or limiting any implied
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        you under applicable patent law.
        
        ### 12. No Surrender of Others' Freedom.
        
        If conditions are imposed on you (whether by court order, agreement or
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        ### 13. Use with the GNU Affero General Public License.
        
        Notwithstanding any other provision of this License, you have permission to
        link or combine any covered work with a work licensed under version 3 of the
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        General Public License, section 13, concerning interaction through a network
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        ### 14. Revised Versions of this License.
        
        The Free Software Foundation may publish revised and/or new versions of the GNU
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        Each version is given a distinguishing version number. If the Program specifies
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        If the Program specifies that a proxy can decide which future versions of the
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        Later license versions may give you additional or different permissions.
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        ### 15. Disclaimer of Warranty.
        
        THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE
        LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER
        PARTIES PROVIDE THE PROGRAM *AS IS* WITHOUT WARRANTY OF ANY KIND, EITHER
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        ### 16. Limitation of Liability.
        
        IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY
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        ### 17. Interpretation of Sections 15 and 16.
        
        If the disclaimer of warranty and limitation of liability provided above cannot
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        liability in connection with the Program, unless a warranty or assumption of
        liability accompanies a copy of the Program in return for a fee.
        
        ## END OF TERMS AND CONDITIONS ###
        
        ### How to Apply These Terms to Your New Programs
        
        If you develop a new program, and you want it to be of the greatest possible
        use to the public, the best way to achieve this is to make it free software
        which everyone can redistribute and change under these terms.
        
        To do so, attach the following notices to the program. It is safest to attach
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License-File: LICENSE
Keywords: baloon,bln,cli,converter,geojson,geospatial,gis,interconversion,shapefile,svg
Classifier: Environment :: Console
Classifier: Intended Audience :: Science/Research
Classifier: License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)
Classifier: Operating System :: OS Independent
Classifier: Programming Language :: Python :: 3
Classifier: Topic :: Scientific/Engineering :: GIS
Requires-Python: >=3.10
Requires-Dist: fastkml>=1.1.0
Requires-Dist: fiona>=1.9
Requires-Dist: geopandas>=0.14
Requires-Dist: lxml>=5.0.0
Requires-Dist: pandas>=2.2
Requires-Dist: pygeoif>=1.5.1
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Requires-Dist: rich>=13.7
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Requires-Dist: typer>=0.12
Provides-Extra: dev
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Requires-Dist: pytest>=8.0; extra == 'dev'
Requires-Dist: ruff>=0.5.0; extra == 'dev'
Requires-Dist: types-geopandas>=1.1.1.20250809; extra == 'dev'
Requires-Dist: types-python-dateutil; extra == 'dev'
Requires-Dist: types-pytz; extra == 'dev'
Requires-Dist: types-shapely>=2.1.0.20250809; extra == 'dev'
Description-Content-Type: text/markdown

<div align="center">
  <img src="https://raw.githubusercontent.com/ericmiguel/baloon/main/assets/logo.png" alt="Baloon logo" width="400"/>

<br><br>
<a href="https://pypi.org/project/baloon/">
<img src="https://badge.fury.io/py/baloon.svg" alt="PyPI version"/>
</a>
<a href="https://www.python.org/downloads/">
<img src="https://img.shields.io/badge/python-3.10+-blue.svg" alt="Python 3.10+"/>
</a>

</div>

Baloon is a command-line tool and Python library for converting between geospatial vector formats. Convert BLN, Shapefile, GeoJSON, KML, GeoPackage, and SVG files quickly and easily.

## Features

-   **CLI and Python API**: Use on the command line or import in your scripts
-   **Single files and directories**: Convert one file or entire folders (recursive)
-   **Any-to-any conversion**: Convert between supported formats
    -   BLN is read-only (input only); SVG is write-only (output only)
-   **Supported formats**: BLN, Shapefile (.shp), GeoJSON (.geojson/.json), KML (.kml), GeoPackage (.gpkg), SVG (.svg)

## Installation

```bash
# Using uv (recommended)
uv add baloon

# Using pip
pip install baloon
```

## Usage

### Command Line

Note: Options must come before positional arguments.

Basics (auto-detect by extension):

```bash
uv run baloon input.bln output.geojson
uv run baloon data.geojson output.shp
uv run baloon map.kml output.gpkg
```

Help and usage:

```bash
uv run baloon --help
```

Explicit formats (ambiguous extensions or forcing a format):

```bash
# When extensions are ambiguous
uv run baloon --input-format bln --output-format geojson input.txt output.json

# Force output format regardless of extension
uv run baloon --output-format shp input.geojson output.data
```

Overwrite behavior (single file conversions):

```bash
# Overwrite existing output file
uv run baloon --overwrite input.bln output.geojson
```

Directory conversions (recursive):

```bash
# Convert all supported readable files under ./data to GeoJSON in ./out-geojson
uv run baloon --output-format geojson ./data ./out-geojson

# Convert all supported readable files under ./project to Shapefile in ./out-shp
uv run baloon --output-format shp ./project ./out-shp
```

Notes for directory conversions:

-   The output path must be a directory; it will be created if it does not exist.
-   Input formats are auto-detected per file. Unsupported formats and write-only inputs (e.g., SVG) are skipped with a warning.
-   The relative directory structure is preserved in the output.
-   Existing output files are overwritten.

Advanced bash loops (custom naming and filters):

```bash
# Convert only KML files to GPKG, preserving stems next to inputs
find data -type f -name '*.kml' -print0 | while IFS= read -r -d '' f; do
  out="${f%.*}.gpkg"
  uv run baloon "$f" "$out"
done

# Convert mixed inputs to GeoJSON into ./out, mirroring structure
find data -type f \( -name '*.bln' -o -name '*.kml' -o -name '*.shp' -o -name '*.gpkg' -o -name '*.geojson' -o -name '*.json' \) -print0 \
| while IFS= read -r -d '' f; do
  rel="${f#data/}";
  base="${rel%.*}";
  mkdir -p "out/$(dirname "$base")";
  uv run baloon "$f" "out/${base}.geojson"
done

# Convert to multiple target formats (two passes)
for fmt in geojson shp; do
  uv run baloon --output-format "$fmt" ./data "./out-$fmt"
done
```

Path tips:

-   Quote paths with spaces: `uv run baloon "My Data/input.kml" "Out/maps.gpkg"`.
-   Shapefile outputs create a set of files (.shp, .shx, .dbf, etc.) next to the .shp path you provide.
-   BLN is input-only; SVG is output-only. Reading SVG in single-file mode will error; in directory mode SVG inputs are skipped.

### Python API

**Quick conversions (any format → any format):**

```python
import baloon

# Prefer simple aliases: convert, convert_dir, read_bln

# Convert single file (auto-detects by extension)
baloon.convert('input.bln', 'output.geojson')
baloon.convert('data.geojson', 'boundaries.shp')

# For ambiguous extensions, prefer the CLI with --input-format/--output-format
# (BLN is input-only; SVG is output-only)
```

**Batch convert directories (Python API):**

```python
import baloon

# Convert all supported readable files in a directory to GeoJSON
# - Preserves relative structure
# - Skips write-only inputs (e.g., SVG)
baloon.convert_dir('./data/', 'geojson')
```

**Working with BLN data:**

```python
from baloon import read_bln
from pathlib import Path

# Parse BLN file
records = read_bln(Path('boundary.bln'))
print(f'Found {len(records)} coordinate points')

# Access coordinates
for record in records:
    print(f'Point: {record.x}, {record.y}')
```

**Load any format as GeoDataFrame:**

```python
from baloon.formats import load_any
from pathlib import Path

# Load any supported format as GeoDataFrame
gdf = load_any(Path('data.geojson'))  # or .shp, .kml, .gpkg, .bln
print(f'Loaded {len(gdf)} features')
print(gdf.head())
```

## Supported Formats

| Format         | Extension           | Read | Write | Description                   |
| -------------- | ------------------- | ---- | ----- | ----------------------------- |
| **BLN**        | `.bln`              | ✅   | ❌    | Golden Software polygon files |
| **Shapefile**  | `.shp`              | ✅   | ✅    | ESRI standard with components |
| **GeoJSON**    | `.geojson`, `.json` | ✅   | ✅    | RFC 7946 feature collections  |
| **KML**        | `.kml`              | ✅   | ✅    | Google Earth format           |
| **GeoPackage** | `.gpkg`             | ✅   | ✅    | OGC SQLite-based format       |
| **SVG**        | `.svg`              | ❌   | ✅    | Scalable vector graphics      |

## Tips

-   If your file has a non-standard extension, use CLI format flags:
    -   `uv run baloon --input-format bln --output-format geojson input.txt output.txt`
-   Use the Python API for batch conversions and programmatic workflows.

## License

This project is licensed under the GPL-3.0-or-later. See the LICENSE file for details.
