From b832470ca8c070b8733be09a68efa47356113eae Mon Sep 17 00:00:00 2001
From: Jakub Jezek <jakubjezek001@gmail.com>
Date: Wed, 7 Dec 2022 17:00:09 +0100
Subject: [PATCH] global: colorspace modul wip

---
 openpype/pipeline/colorspace.py | 100 ++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 openpype/pipeline/colorspace.py

diff --git a/openpype/pipeline/colorspace.py b/openpype/pipeline/colorspace.py
new file mode 100644
index 0000000000..87167dbe9e
--- /dev/null
+++ b/openpype/pipeline/colorspace.py
@@ -0,0 +1,100 @@
+import re
+import platform
+from openpype.settings import get_project_settings
+from openpype.pipeline import legacy_io
+from openpype.lib.log import Logger
+
+log = Logger.get_logger(__name__)
+IMAGEIO_SETTINGS = {}
+
+
+def get_colorspace_from_path(
+    path, host=None, project_name=None
+):
+    project_name = project_name or legacy_io.Session["AVALON_PROJECT"],
+    host = host or legacy_io.Session["AVALON_APP"]
+
+    config_path = get_project_config(project_name, host)
+    file_rules = get_project_file_rules(project_name, host)
+
+    # match file rule from path
+    colorspace_name = None
+    for _frule_name, file_rule in file_rules.items():
+        pattern = file_rule["pattern"]
+        extension = file_rule["ext"]
+        ext_match = re.match(
+            r".*(?=.{})".format(extension), path
+        )
+        file_match = re.search(
+            pattern, path
+        )
+
+        if ext_match and file_match:
+            colorspace_name = file_rule["colorspace"]
+
+    if not colorspace_name:
+        log.info("No imageio file rule matched input path: '{}'".format(
+            path
+        ))
+        return None
+
+    # validate matching colorspace with config
+
+
+def get_project_config(project_name, host):
+    current_platform = platform.system().lower()
+
+    imageio_global, imageio_host = _get_imageio_settings(project_name, host)
+
+    # get config path from either global or host
+    config_global = imageio_global["ocio_config"]
+    config_host = imageio_host["ocio_config"]
+
+    # set config path
+    config_path = None
+    if config_global["enabled"]:
+        config_path = config_global["filepath"][current_platform]
+    if config_host["enabled"]:
+        config_path = config_host["filepath"][current_platform]
+
+    return config_path
+
+
+def get_project_file_rules(project_name, host):
+
+    imageio_global, imageio_host = _get_imageio_settings(project_name, host)
+
+    # get file rules from global and host
+    frules_global = imageio_global["file_rules"]
+    frules_host = imageio_host["file_rules"]
+
+    # compile file rules dictionary
+    file_rules = {}
+    if frules_global["enabled"]:
+        file_rules.update(frules_global["rules"])
+    if frules_host["enabled"]:
+        file_rules.update(frules_host["rules"])
+
+    return file_rules
+
+
+def _get_imageio_settings(project_name, host):
+
+    # look if settings are cached
+    if IMAGEIO_SETTINGS.get(project_name):
+        return IMAGEIO_SETTINGS[project_name]
+
+    # get project settings
+    project_settings = get_project_settings(project_name)
+
+    # get image io from global and host
+    imageio_global = project_settings["global"]["imageio"]
+    imageio_host = project_settings[host]["imageio"]
+
+    # cach settings
+    IMAGEIO_SETTINGS[project_name] = [
+        imageio_global, imageio_host
+    ]
+
+    # returning: imageio_global, imageio_host
+    return IMAGEIO_SETTINGS[project_name]