Major file reorganization (#26)

* Major file reorganization

* Rearrange imports

* Fix default log level

lib/engines/blender_engine.py

@@ -1,104 +0,0 @@
-try:
-    from .base_engine import *
-except ImportError:
-    from base_engine import *
-import json
-import re
-import logging
-
-logger = logging.getLogger()
-
-
-class Blender(BaseRenderEngine):
-
-    install_paths = ['/Applications/Blender.app/Contents/MacOS/Blender']
-    supported_extensions = ['.blend']
-
-    @classmethod
-    def version(cls):
-        version = None
-        try:
-            render_path = cls.renderer_path()
-            if render_path:
-                ver_out = subprocess.check_output([render_path, '-v'], timeout=SUBPROCESS_TIMEOUT)
-                version = ver_out.decode('utf-8').splitlines()[0].replace('Blender', '').strip()
-        except Exception as e:
-            logger.error(f'Failed to get Blender version: {e}')
-        return version
-
-    @classmethod
-    def get_output_formats(cls):
-        format_string = cls.get_help().split('Format Options')[-1].split('Animation Playback Options')[0]
-        formats = re.findall(r"'([A-Z_0-9]+)'", format_string)
-        return formats
-
-    @classmethod
-    def run_python_expression(cls, project_path, python_expression, timeout=None):
-        if os.path.exists(project_path):
-            try:
-                return subprocess.run([cls.renderer_path(), '-b', project_path, '--python-expr', python_expression],
-                                      capture_output=True, timeout=timeout)
-            except Exception as e:
-                logger.warning(f"Error running python expression in blender: {e}")
-                pass
-        else:
-            raise FileNotFoundError(f'Project file not found: {project_path}')
-
-    @classmethod
-    def run_python_script(cls, project_path, script_path, timeout=None):
-        if os.path.exists(project_path) and os.path.exists(script_path):
-            try:
-                return subprocess.run([cls.renderer_path(), '-b', project_path, '--python', script_path],
-                                      capture_output=True, timeout=timeout)
-            except Exception as e:
-                logger.warning(f"Error running python expression in blender: {e}")
-                pass
-        elif not os.path.exists(project_path):
-            raise FileNotFoundError(f'Project file not found: {project_path}')
-        elif not os.path.exists(script_path):
-            raise FileNotFoundError(f'Python script not found: {script_path}')
-        raise Exception("Uncaught exception")
-
-    @classmethod
-    def get_scene_info(cls, project_path, timeout=10):
-        scene_info = {}
-        try:
-            results = cls.run_python_script(project_path, os.path.join(os.path.dirname(os.path.realpath(__file__)),
-                                            'scripts', 'blender', 'get_file_info.py'), timeout=timeout)
-            result_text = results.stdout.decode()
-            for line in result_text.splitlines():
-                if line.startswith('SCENE_DATA:'):
-                    raw_data = line.split('SCENE_DATA:')[-1]
-                    scene_info = json.loads(raw_data)
-                    break
-                elif line.startswith('Error'):
-                    logger.error(f"get_scene_info error: {line.strip()}")
-        except Exception as e:
-            logger.error(f'Error getting file details for .blend file: {e}')
-        return scene_info
-
-    @classmethod
-    def pack_project_file(cls, project_path, timeout=30):
-        # Credit to L0Lock for pack script - https://blender.stackexchange.com/a/243935
-        try:
-            logger.info(f"Starting to pack Blender file: {project_path}")
-            results = cls.run_python_script(project_path, os.path.join(os.path.dirname(os.path.realpath(__file__)),
-                                            'scripts', 'blender', 'pack_project.py'), timeout=timeout)
-
-            result_text = results.stdout.decode()
-            dir_name = os.path.dirname(project_path)
-
-            # report any missing textures
-            not_found = re.findall("(Unable to pack file, source path .*)\n", result_text)
-            for err in not_found:
-                logger.error(err)
-
-            p = re.compile('Saved to: (.*)\n')
-            match = p.search(result_text)
-            if match:
-                new_path = os.path.join(dir_name, match.group(1).strip())
-                logger.info(f'Blender file packed successfully to {new_path}')
-                return new_path
-        except Exception as e:
-            logger.error(f'Error packing .blend file: {e}')
-        return None