Render all Frames in Blender Using Cycles and Open EXR

render-all-frames.py

import bpy

# Set the render settings
bpy.context.scene.render.engine = 'CYCLES'  # Set the render engine to Cycles
bpy.context.scene.render.image_settings.file_format = 'OPEN_EXR'  # Set the output format to OpenEXR


# Loop through all frames in the scene and render each one
for frame in range(bpy.context.scene.frame_start, bpy.context.scene.frame_end + 1):
    bpy.context.scene.frame_set(frame)

    # Set the output filename to "frame_0001.exr", "frame_0002.exr", etc.
    file_path = "//render/frame_{:04d}.exr".format(frame)

    # Set the output path to the filename for the current frame
    bpy.context.scene.render.filepath = file_path

    bpy.ops.render.render(write_still=True)