Metadata-Version: 2.1
Name: hypothesis_geometry
Version: 1.3.0
Summary: hypothesis strategies for geometric objects (points, polygons, etc.).
Home-page: https://github.com/lycantropos/hypothesis_geometry/
Author: Azat Ibrakov
Author-email: azatibrakov@gmail.com
License: MIT License
Download-URL: https://github.com/lycantropos/hypothesis_geometry/archive/master.zip
Description: hypothesis_geometry
        ===================
        
        [![](https://dev.azure.com/lycantropos/hypothesis_geometry/_apis/build/status/lycantropos.hypothesis_geometry?branchName=master)](https://dev.azure.com/lycantropos/hypothesis_geometry/_build/latest?definitionId=19&branchName=master "Azure Pipelines")
        [![](https://readthedocs.org/projects/hypothesis_geometry/badge/?version=latest)](https://hypothesis-geometry.readthedocs.io/en/latest "Documentation")
        [![](https://codecov.io/gh/lycantropos/hypothesis_geometry/branch/master/graph/badge.svg)](https://codecov.io/gh/lycantropos/hypothesis_geometry "Codecov")
        [![](https://img.shields.io/github/license/lycantropos/hypothesis_geometry.svg)](https://github.com/lycantropos/hypothesis_geometry/blob/master/LICENSE "License")
        [![](https://badge.fury.io/py/hypothesis-geometry.svg)](https://badge.fury.io/py/hypothesis-geometry "PyPI")
        
        In what follows `python` is an alias for `python3.5` or `pypy3.5`
        or any later version (`python3.6`, `pypy3.6` and so on).
        
        Installation
        ------------
        
        Install the latest `pip` & `setuptools` packages versions
        ```bash
        python -m pip install --upgrade pip setuptools
        ```
        
        ### User
        
        Download and install the latest stable version from `PyPI` repository:
        ```bash
        python -m pip install --upgrade hypothesis_geometry
        ```
        
        ### Developer
        
        Download the latest version from `GitHub` repository
        ```bash
        git clone https://github.com/lycantropos/hypothesis_geometry.git
        cd hypothesis_geometry
        ```
        
        Install dependencies
        ```bash
        python -m pip install --force-reinstall -r requirements.txt
        ```
        
        Install
        ```bash
        python setup.py install
        ```
        
        Usage
        -----
        With setup
        ```python
        >>> from ground.base import get_context
        >>> from hypothesis import strategies
        >>> from hypothesis_geometry import planar
        >>> context = get_context()
        >>> Contour = context.contour_cls
        >>> Multipoint = context.multipoint_cls
        >>> Multipolygon = context.multipolygon_cls
        >>> Multisegment = context.multisegment_cls
        >>> Point = context.point_cls
        >>> Polygon = context.polygon_cls
        >>> Segment = context.segment_cls
        >>> min_coordinate, max_coordinate = -100, 100
        >>> coordinates_type = int
        >>> coordinates = strategies.integers(min_coordinate, max_coordinate)
        >>> import warnings
        >>> from hypothesis.errors import NonInteractiveExampleWarning
        >>> # ignore hypothesis warnings caused by `example` method call
        ... warnings.filterwarnings('ignore', category=NonInteractiveExampleWarning)
        
        ```
        let's take a look at what can be generated and how.
        
        ### Points
        ```python
        >>> points = planar.points(coordinates)
        >>> point = points.example()
        >>> isinstance(point, Point)
        True
        >>> (isinstance(point.x, coordinates_type)
        ...  and isinstance(point.y, coordinates_type))
        True
        >>> (min_coordinate <= point.x <= max_coordinate
        ...  and min_coordinate <= point.y <= max_coordinate)
        True
        
        ```
        
        ### Multipoints
        ```python
        >>> min_size, max_size = 5, 10
        >>> multipoints = planar.multipoints(coordinates,
        ...                                  min_size=min_size,
        ...                                  max_size=max_size)
        >>> multipoint = multipoints.example()
        >>> isinstance(multipoint, Multipoint)
        True
        >>> min_size <= len(multipoint.points) <= max_size
        True
        >>> all(isinstance(point.x, coordinates_type)
        ...     and isinstance(point.y, coordinates_type)
        ...     for point in multipoint.points)
        True
        >>> all(min_coordinate <= point.x <= max_coordinate
        ...     and min_coordinate <= point.y <= max_coordinate
        ...     for point in multipoint.points)
        True
        
        ```
        
        ### Segments
        ```python
        >>> segments = planar.segments(coordinates)
        >>> segment = segments.example()
        >>> isinstance(segment, Segment)
        True
        >>> (isinstance(segment.start.x, coordinates_type)
        ...  and isinstance(segment.start.y, coordinates_type)
        ...  and isinstance(segment.end.x, coordinates_type)
        ...  and isinstance(segment.end.y, coordinates_type))
        True
        >>> (min_coordinate <= segment.start.x <= max_coordinate 
        ...  and min_coordinate <= segment.start.y <= max_coordinate
        ...  and min_coordinate <= segment.end.x <= max_coordinate 
        ...  and min_coordinate <= segment.end.y <= max_coordinate)
        True
        
        ```
        
        ### Multisegments
        ```python
        >>> min_size, max_size = 5, 10
        >>> multisegments = planar.multisegments(coordinates, 
        ...                                      min_size=min_size,
        ...                                      max_size=max_size)
        >>> multisegment = multisegments.example()
        >>> isinstance(multisegment, Multisegment)
        True
        >>> min_size <= len(multisegment.segments) <= max_size
        True
        >>> all(isinstance(segment.start.x, coordinates_type)
        ...     and isinstance(segment.start.y, coordinates_type)
        ...     and isinstance(segment.end.x, coordinates_type)
        ...     and isinstance(segment.end.y, coordinates_type)
        ...     for segment in multisegment.segments)
        True
        >>> all(min_coordinate <= segment.start.x <= max_coordinate
        ...     and min_coordinate <= segment.start.y <= max_coordinate
        ...     and min_coordinate <= segment.end.x <= max_coordinate
        ...     and min_coordinate <= segment.end.y <= max_coordinate
        ...     for segment in multisegment.segments)
        True
        
        ```
        
        ### Contours
        ```python
        >>> min_size, max_size = 5, 10
        >>> contours = planar.contours(coordinates, 
        ...                            min_size=min_size,
        ...                            max_size=max_size)
        >>> contour = contours.example()
        >>> isinstance(contour, Contour)
        True
        >>> min_size <= len(contour.vertices) <= max_size
        True
        >>> all(isinstance(vertex.x, coordinates_type)
        ...     and isinstance(vertex.y, coordinates_type)
        ...     for vertex in contour.vertices)
        True
        >>> all(min_coordinate <= vertex.x <= max_coordinate
        ...     and min_coordinate <= vertex.y <= max_coordinate
        ...     for vertex in contour.vertices)
        True
        
        ```
        also `planar.concave_contours` & `planar.convex_contours` options are available.
        
        ### Multicontours
        ```python
        >>> min_size, max_size = 5, 10
        >>> min_contour_size, max_contour_size = 4, 8
        >>> multicontours = planar.multicontours(coordinates, 
        ...                                      min_size=min_size,
        ...                                      max_size=max_size,
        ...                                      min_contour_size=min_contour_size,
        ...                                      max_contour_size=max_contour_size)
        >>> multicontour = multicontours.example()
        >>> isinstance(multicontour, list)
        True
        >>> all(isinstance(contour, Contour) for contour in multicontour)
        True
        >>> min_size <= len(multicontour) <= max_size
        True
        >>> all(min_contour_size <= len(contour.vertices) <= max_contour_size
        ...     for contour in multicontour)
        True
        >>> all(isinstance(vertex.x, coordinates_type)
        ...     and isinstance(vertex.y, coordinates_type)
        ...     for contour in multicontour
        ...     for vertex in contour.vertices)
        True
        >>> all(min_coordinate <= vertex.x <= max_coordinate
        ...     and min_coordinate <= vertex.y <= max_coordinate
        ...     for contour in multicontour
        ...     for vertex in contour.vertices)
        True
        
        ```
        
        ### Polygons
        ```python
        >>> min_size, max_size = 5, 10
        >>> min_holes_size, max_holes_size = 1, 3
        >>> min_hole_size, max_hole_size = 4, 8
        >>> polygons = planar.polygons(coordinates, 
        ...                            min_size=min_size,
        ...                            max_size=max_size,
        ...                            min_holes_size=min_holes_size,
        ...                            max_holes_size=max_holes_size,
        ...                            min_hole_size=min_hole_size,
        ...                            max_hole_size=max_hole_size)
        >>> polygon = polygons.example()
        >>> isinstance(polygon, Polygon)
        True
        >>> min_size <= len(polygon.border.vertices) <= max_size
        True
        >>> min_holes_size <= len(polygon.holes) <= max_holes_size
        True
        >>> all(min_hole_size <= len(hole.vertices) <= max_hole_size for hole in polygon.holes)
        True
        >>> polygon_contours = [polygon.border, *polygon.holes]
        >>> all(isinstance(vertex.x, coordinates_type)
        ...     and isinstance(vertex.y, coordinates_type)
        ...     for contour in polygon_contours
        ...     for vertex in contour.vertices)
        True
        >>> all(min_coordinate <= vertex.x <= max_coordinate
        ...     and min_coordinate <= vertex.y <= max_coordinate
        ...     for contour in polygon_contours
        ...     for vertex in contour.vertices)
        True
        
        ```
        
        ### Multipolygons
        ```python
        >>> min_size, max_size = 0, 5
        >>> min_border_size, max_border_size = 5, 10
        >>> min_holes_size, max_holes_size = 1, 3
        >>> min_hole_size, max_hole_size = 4, 8
        >>> multipolygons = planar.multipolygons(coordinates, 
        ...                                      min_size=min_size,
        ...                                      max_size=max_size,
        ...                                      min_border_size=min_border_size,
        ...                                      max_border_size=max_border_size,
        ...                                      min_holes_size=min_holes_size,
        ...                                      max_holes_size=max_holes_size,
        ...                                      min_hole_size=min_hole_size,
        ...                                      max_hole_size=max_hole_size)
        >>> multipolygon = multipolygons.example()
        >>> isinstance(multipolygon, Multipolygon)
        True
        >>> min_size <= len(multipolygon.polygons) <= max_size
        True
        >>> all(min_border_size <= len(polygon.border.vertices) <= max_border_size
        ...     and min_holes_size <= len(polygon.holes) <= max_holes_size
        ...     and all(min_hole_size <= len(hole.vertices) <= max_hole_size
        ...             for hole in polygon.holes)
        ...     for polygon in multipolygon.polygons)
        True
        >>> all(all(isinstance(vertex.x, coordinates_type)
        ...         and isinstance(vertex.y, coordinates_type)
        ...         for vertex in polygon.border.vertices)
        ...     and all(isinstance(vertex.x, coordinates_type)
        ...             and isinstance(vertex.y, coordinates_type)
        ...             for hole in polygon.holes
        ...             for vertex in hole.vertices)
        ...     for polygon in multipolygon.polygons)
        True
        >>> all(all(min_coordinate <= vertex.x <= max_coordinate
        ...         and min_coordinate <= vertex.y <= max_coordinate
        ...         for vertex in polygon.border.vertices)
        ...     and all(min_coordinate <= vertex.x <= max_coordinate
        ...             and min_coordinate <= vertex.y <= max_coordinate
        ...             for hole in polygon.holes
        ...             for vertex in hole.vertices)
        ...     for polygon in multipolygon.polygons)
        True
        
        ```
        
        
        ### Mixes
        ```python
        >>> min_multipoint_size, max_multipoint_size = 2, 3
        >>> min_multisegment_size, max_multisegment_size = 1, 4
        >>> min_multipolygon_size, max_multipolygon_size = 0, 5
        >>> min_multipolygon_border_size, max_multipolygon_border_size = 5, 10
        >>> min_multipolygon_holes_size, max_multipolygon_holes_size = 1, 4
        >>> min_multipolygon_hole_size, max_multipolygon_hole_size = 3, 5
        >>> mixes = planar.mixes(coordinates,
        ...                      min_multipoint_size=min_multipoint_size,
        ...                      max_multipoint_size=max_multipoint_size,
        ...                      min_multisegment_size=min_multisegment_size,
        ...                      max_multisegment_size=max_multisegment_size,
        ...                      min_multipolygon_size=min_multipolygon_size,
        ...                      max_multipolygon_size=max_multipolygon_size,
        ...                      min_multipolygon_border_size=min_multipolygon_border_size,
        ...                      max_multipolygon_border_size=max_multipolygon_border_size,
        ...                      min_multipolygon_holes_size=min_multipolygon_holes_size,
        ...                      max_multipolygon_holes_size=max_multipolygon_holes_size,
        ...                      min_multipolygon_hole_size=min_multipolygon_hole_size,
        ...                      max_multipolygon_hole_size=max_multipolygon_hole_size)
        >>> mix = mixes.example()
        >>> isinstance(mix, tuple)
        True
        >>> len(mix) == 3
        True
        >>> multipoint, multisegment, multipolygon = mix
        >>> isinstance(multipoint, Multipoint)
        True
        >>> min_multipoint_size <= len(multipoint.points) <= max_multipoint_size
        True
        >>> all(isinstance(point.x, coordinates_type)
        ...     and isinstance(point.y, coordinates_type)
        ...     for point in multipoint.points)
        True
        >>> all(min_coordinate <= point.x <= max_coordinate
        ...     and min_coordinate <= point.y <= max_coordinate
        ...     for point in multipoint.points)
        True
        >>> isinstance(multisegment, Multisegment)
        True
        >>> min_multisegment_size <= len(multisegment.segments) <= max_multisegment_size
        True
        >>> all(isinstance(segment.start.x, coordinates_type)
        ...     and isinstance(segment.start.y, coordinates_type)
        ...     and isinstance(segment.end.x, coordinates_type)
        ...     and isinstance(segment.end.y, coordinates_type)
        ...     for segment in multisegment.segments)
        True
        >>> all(min_coordinate <= segment.start.x <= max_coordinate
        ...     and min_coordinate <= segment.start.y <= max_coordinate
        ...     and min_coordinate <= segment.end.x <= max_coordinate
        ...     and min_coordinate <= segment.end.y <= max_coordinate
        ...     for segment in multisegment.segments)
        True
        >>> isinstance(multipolygon, Multipolygon)
        True
        >>> min_multipolygon_size <= len(multipolygon.polygons) <= max_multipolygon_size
        True
        >>> all(min_multipolygon_border_size
        ...     <= len(polygon.border.vertices)
        ...     <= max_multipolygon_border_size
        ...     and (min_multipolygon_holes_size
        ...          <= len(polygon.holes)
        ...          <= max_multipolygon_holes_size)
        ...     and all(min_multipolygon_hole_size
        ...             <= len(hole.vertices)
        ...             <= max_multipolygon_hole_size
        ...             for hole in polygon.holes)
        ...     for polygon in multipolygon.polygons)
        True
        >>> all(all(isinstance(vertex.x, coordinates_type)
        ...         and isinstance(vertex.y, coordinates_type)
        ...         for vertex in polygon.border.vertices)
        ...     and all(isinstance(vertex.x, coordinates_type)
        ...             and isinstance(vertex.y, coordinates_type)
        ...             for hole in polygon.holes
        ...             for vertex in hole.vertices)
        ...     for polygon in multipolygon.polygons)
        True
        >>> all(all(min_coordinate <= vertex.x <= max_coordinate
        ...         and min_coordinate <= vertex.y <= max_coordinate
        ...         for vertex in polygon.border.vertices)
        ...     and all(min_coordinate <= vertex.x <= max_coordinate
        ...             and min_coordinate <= vertex.y <= max_coordinate
        ...             for hole in polygon.holes
        ...             for vertex in hole.vertices)
        ...     for polygon in multipolygon.polygons)
        True
        
        ```
        
        #### Caveats
        - Strategies may be slow depending on domain,
        so it may be necessary to add `HealthCheck.filter_too_much`, `HealthCheck.too_slow`
        in [`suppress_health_check`](https://hypothesis.readthedocs.io/en/latest/settings.html#hypothesis.settings.suppress_health_check) 
        and set [`deadline`](https://hypothesis.readthedocs.io/en/latest/settings.html#hypothesis.settings.deadline) to `None`.
        
        - Unbounded floating point strategies for coordinates 
        (like [`hypothesis.strategies.floats`](https://hypothesis.readthedocs.io/en/latest/data.html#hypothesis.strategies.floats)
        with unset `min_value`/`max_value`) do not play well with bounded sizes 
        and may cause a lot of searching iterations with no success,
        so it is recommended to use bounded floating point coordinates with bounded sizes
        or unbounded coordinates with unbounded sizes.
        
        - [`decimal.Decimal`](https://docs.python.org/library/decimal.html) coordinates are not supported, because 
        they seem to be too hard to work with correctly (e.g. sometimes self-intersecting contours arise), 
        so it is suggested to use `float`  or [`fractions.Fraction`](https://docs.python.org/library/fractions.html) instead.
        
        Development
        -----------
        
        ### Bumping version
        
        #### Preparation
        
        Install
        [bump2version](https://github.com/c4urself/bump2version#installation).
        
        #### Pre-release
        
        Choose which version number category to bump following [semver
        specification](http://semver.org/).
        
        Test bumping version
        ```bash
        bump2version --dry-run --verbose $CATEGORY
        ```
        
        where `$CATEGORY` is the target version number category name, possible
        values are `patch`/`minor`/`major`.
        
        Bump version
        ```bash
        bump2version --verbose $CATEGORY
        ```
        
        This will set version to `major.minor.patch-alpha`. 
        
        #### Release
        
        Test bumping version
        ```bash
        bump2version --dry-run --verbose release
        ```
        
        Bump version
        ```bash
        bump2version --verbose release
        ```
        
        This will set version to `major.minor.patch`.
        
        ### Running tests
        
        Install dependencies
        ```bash
        python -m pip install --force-reinstall -r requirements-tests.txt
        ```
        
        Plain
        ```bash
        pytest
        ```
        
        Inside `Docker` container:
        - with `CPython`
          ```bash
          docker-compose --file docker-compose.cpython.yml up
          ```
        - with `PyPy`
          ```bash
          docker-compose --file docker-compose.pypy.yml up
          ```
        
        `Bash` script (e.g. can be used in `Git` hooks):
        - with `CPython`
          ```bash
          ./run-tests.sh
          ```
          or
          ```bash
          ./run-tests.sh cpython
          ```
        
        - with `PyPy`
          ```bash
          ./run-tests.sh pypy
          ```
        
        `PowerShell` script (e.g. can be used in `Git` hooks):
        - with `CPython`
          ```powershell
          .\run-tests.ps1
          ```
          or
          ```powershell
          .\run-tests.ps1 cpython
          ```
        - with `PyPy`
          ```powershell
          .\run-tests.ps1 pypy
          ```
        
Platform: UNKNOWN
Classifier: Framework :: Hypothesis
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: MIT License
Classifier: Programming Language :: Python :: 3.5
Classifier: Programming Language :: Python :: 3.6
Classifier: Programming Language :: Python :: 3.7
Classifier: Programming Language :: Python :: 3.8
Classifier: Programming Language :: Python :: 3.9
Classifier: Programming Language :: Python :: Implementation :: CPython
Classifier: Programming Language :: Python :: Implementation :: PyPy
Requires-Python: >=3.5
Description-Content-Type: text/markdown
