Merge branch 'release/v0.2.1'

.pre-commit-config.yaml

@@ -1,13 +1,12 @@
 repos:
--   repo: https://github.com/asottile/pyupgrade
-    rev: v3.2.2
-    hooks:
-    -   id: pyupgrade
-        args: [--py39-plus]
 -   repo: https://github.com/ikamensh/flynt/
     rev: '0.77'
     hooks:
     -   id: flynt
+-   repo: https://github.com/charliermarsh/ruff-pre-commit
+    rev: 'v0.0.239'
+    hooks:
+    - id: ruff
 -   repo: https://github.com/psf/black
     rev: 22.10.0
     hooks:
@@ -18,14 +17,3 @@ repos:
     hooks:
     - id: blackdoc
       language_version: python3.9
--   repo: https://github.com/PyCQA/flake8
-    rev: 6.0.0
-    hooks:
-    -   id: flake8
--   repo: https://github.com/pycqa/pydocstyle
-    rev: 6.1.1
-    hooks:
-    -   id: pydocstyle
-        args:
-        - --convention=numpy
-        - --add-ignore=D104,D200,D202,D205,D301,D400

app.py

@@ -20,7 +20,7 @@
 
 __major_version__ = "0"
 __minor_version__ = "2"
-__change_version__ = "0"
+__change_version__ = "1"
 __version__ = ".".join(
     (__major_version__, __minor_version__, __change_version__)
 )

apps/common.py

@@ -3,8 +3,10 @@
 ======
 """
 
+from io import StringIO
 from colour.adaptation import CHROMATIC_ADAPTATION_TRANSFORMS
 from colour.colorimetry import CCS_ILLUMINANTS
+from colour.io import LUTOperatorMatrix, write_LUT_SonySPImtx
 from colour.models import RGB_COLOURSPACES
 from colour.utilities import as_float_array
 
@@ -18,14 +20,17 @@
 __status__ = "Production"
 
 __all__ = [
-    "RGB_COLOURSPACE_OPTIONS",
-    "CHROMATIC_ADAPTATION_TRANSFORM_OPTIONS",
-    "ILLUMINANTS_OPTIONS",
-    "NUKE_COLORMATRIX_NODE_TEMPLATE",
+    "OPTIONS_RGB_COLOURSPACE",
+    "OPTIONS_CHROMATIC_ADAPTATION_TRANSFORM",
+    "OPTIONS_ILLUMINANTS",
+    "TEMPLATE_NUKE_NODE_COLORMATRIX",
     "nuke_format_matrix",
+    "spimtx_format_matrix",
+    "TEMPLATE_OCIO_COLORSPACE",
+    "matrix_3x3_to_4x4",
 ]
 
-RGB_COLOURSPACE_OPTIONS: List[Dict] = [
+OPTIONS_RGB_COLOURSPACE: List[Dict] = [
     {"label": key, "value": key}
     for key in sorted(RGB_COLOURSPACES.keys())
     if key not in ("aces", "adobe1998", "prophoto")
@@ -34,7 +39,7 @@
 *RGB* colourspace options for a :class:`Dropdown` class instance.
 """
 
-CHROMATIC_ADAPTATION_TRANSFORM_OPTIONS: List[Dict] = [
+OPTIONS_CHROMATIC_ADAPTATION_TRANSFORM: List[Dict] = [
     {"label": key, "value": key}
     for key in sorted(CHROMATIC_ADAPTATION_TRANSFORMS.keys())
 ]
@@ -43,7 +48,7 @@
 instance.
 """
 
-ILLUMINANTS_OPTIONS: List[Dict] = [
+OPTIONS_ILLUMINANTS: List[Dict] = [
     {"label": key, "value": key}
     for key in sorted(
         CCS_ILLUMINANTS["CIE 1931 2 Degree Standard Observer"].keys()
@@ -54,13 +59,13 @@
 :class:`Dropdown`class instance.
 """
 
-NUKE_COLORMATRIX_NODE_TEMPLATE: str = """
+TEMPLATE_NUKE_NODE_COLORMATRIX: str = """
 ColorMatrix {{
  inputs 0
  matrix {{
-     {0}
+     {matrix}
    }}
- name "{1}"
+ name "{name}"
  selected true
  xpos 0
  ypos 0
@@ -102,3 +107,74 @@ def pretty(x: Iterable) -> str:
     tcl += f"     {{{pretty(M[2])}}}"
 
     return tcl
+
+
+def spimtx_format_matrix(M: ArrayLike, decimals: int = 10) -> str:
+    """
+    Format given matrix as a *Sony* *.spimtx* *LUT* formatted matrix.
+
+    Parameters
+    ----------
+    M
+        Matrix to format.
+    decimals
+        Decimals to use when formatting the matrix.
+
+    Returns
+    -------
+    :class:`str`
+        *Sony* *.spimtx* *LUT* formatted matrix.
+    """
+
+    string = StringIO()
+
+    write_LUT_SonySPImtx(LUTOperatorMatrix(M), string, decimals)
+
+    return string.getvalue()
+
+
+TEMPLATE_OCIO_COLORSPACE = """
+  - !<ColorSpace>
+    name: Linear {name}
+    aliases: []
+    family: Utility
+    equalitygroup: ""
+    bitdepth: 32f
+    description: |
+      Convert from {input_colourspace} to Linear {output_colourspace}
+    isdata: false
+    encoding: scene-linear
+    allocation: uniform
+    from_scene_reference: !<GroupTransform>
+      name: {input_colourspace} to Linear {output_colourspace}
+      children:
+        - !<MatrixTransform> {{matrix: {matrix}}}
+"""[
+    1:
+]
+"""
+*OpenColorIO* *ColorSpace* template.
+"""
+
+
+def matrix_3x3_to_4x4(M):
+    """
+    Convert given 3x3 matrix :math:`M` to a raveled 4x4 matrix.
+
+    Parameters
+    ----------
+    M : array_like
+        3x3 matrix :math:`M` to convert.
+
+    Returns
+    -------
+    list
+        Raveled 4x4 matrix.
+    """
+
+    import numpy as np
+
+    M_I = np.identity(4)
+    M_I[:3, :3] = M
+
+    return np.ravel(M_I)