277 lines
10 KiB
Python
277 lines
10 KiB
Python
import logging
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import os.path
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import tempfile
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import bpy
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import pillarsdk
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from pillarsdk import exceptions as sdk_exceptions
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from .pillar import pillar_call
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from . import async_loop, pillar, home_project, blender
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REQUIRES_ROLES_FOR_IMAGE_SHARING = {'subscriber', 'demo'}
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IMAGE_SHARING_GROUP_NODE_NAME = 'Image sharing'
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log = logging.getLogger(__name__)
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async def find_image_sharing_group_id(home_project_id, user_id):
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# Find the top-level image sharing group node.
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try:
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share_group, created = await pillar.find_or_create_node(
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where={'project': home_project_id,
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'node_type': 'group',
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'parent': None,
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'name': IMAGE_SHARING_GROUP_NODE_NAME},
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additional_create_props={
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'user': user_id,
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'properties': {},
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},
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projection={'_id': 1},
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may_create=True)
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except pillar.PillarError:
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log.exception('Pillar error caught')
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raise pillar.PillarError('Unable to find image sharing folder on the Cloud')
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return share_group['_id']
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class PILLAR_OT_image_share(pillar.PillarOperatorMixin,
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async_loop.AsyncModalOperatorMixin,
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bpy.types.Operator):
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bl_idname = 'pillar.image_share'
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bl_label = 'Share an image via Blender Cloud'
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bl_description = 'Uploads an image for sharing via Blender Cloud'
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log = logging.getLogger('bpy.ops.%s' % bl_idname)
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home_project_id = None
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home_project_url = 'home'
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share_group_id = None # top-level share group node ID
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user_id = None
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target = bpy.props.EnumProperty(
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items=[
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('FILE', 'File', 'Upload an image file'),
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('DATABLOCK', 'Datablock', 'Upload an image datablock'),
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],
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name='target',
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default='DATABLOCK')
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name = bpy.props.StringProperty(name='name',
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description='File or datablock name to sync')
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def invoke(self, context, event):
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# Do a quick test on datablock dirtyness. If it's not packed and dirty,
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# the user should save it first.
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if self.target == 'DATABLOCK':
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datablock = bpy.data.images[self.name]
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if datablock.type == 'IMAGE' and datablock.is_dirty and not datablock.packed_file:
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self.report({'ERROR'}, 'Datablock is dirty, save it first.')
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return {'CANCELLED'}
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async_loop.AsyncModalOperatorMixin.invoke(self, context, event)
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self.log.info('Starting sharing')
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self._new_async_task(self.async_execute(context))
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return {'RUNNING_MODAL'}
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def execute(self, context):
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return self.invoke(context, None)
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async def async_execute(self, context):
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"""Entry point of the asynchronous operator."""
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self.report({'INFO'}, 'Communicating with Blender Cloud')
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try:
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# Refresh credentials
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try:
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self.user_id = await self.check_credentials(context,
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REQUIRES_ROLES_FOR_IMAGE_SHARING)
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self.log.debug('Found user ID: %s', self.user_id)
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except pillar.NotSubscribedToCloudError:
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self.log.exception('User not subscribed to cloud.')
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self.report({'ERROR'}, 'Please subscribe to the Blender Cloud.')
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self._state = 'QUIT'
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return
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except pillar.CredentialsNotSyncedError:
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self.log.exception('Error checking/refreshing credentials.')
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self.report({'ERROR'}, 'Please log in on Blender ID first.')
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self._state = 'QUIT'
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return
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# Find the home project.
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try:
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home_proj = await home_project.get_home_project({
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'projection': {'_id': 1, 'url': 1}
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})
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except sdk_exceptions.ForbiddenAccess:
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self.log.exception('Forbidden access to home project.')
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self.report({'ERROR'}, 'Did not get access to home project.')
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self._state = 'QUIT'
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return
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except sdk_exceptions.ResourceNotFound:
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self.report({'ERROR'}, 'Home project not found.')
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self._state = 'QUIT'
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return
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self.home_project_id = home_proj['_id']
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self.home_project_url = home_proj['url']
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try:
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gid = await find_image_sharing_group_id(self.home_project_id,
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self.user_id)
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self.share_group_id = gid
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self.log.debug('Found group node ID: %s', self.share_group_id)
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except sdk_exceptions.ForbiddenAccess:
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self.log.exception('Unable to find Group ID')
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self.report({'ERROR'}, 'Unable to find sync folder.')
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self._state = 'QUIT'
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return
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await self.share_image(context)
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except Exception as ex:
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self.log.exception('Unexpected exception caught.')
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self.report({'ERROR'}, 'Unexpected error %s: %s' % (type(ex), ex))
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self._state = 'QUIT'
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async def share_image(self, context):
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"""Sends files to the Pillar server."""
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self.report({'INFO'}, 'Uploading %s %s' % (self.target.lower(), self.name))
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if self.target == 'FILE':
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node = await self.upload_file(self.name)
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else:
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node = await self.upload_datablock(context)
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self.report({'INFO'}, 'Upload complete, creating link to share.')
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share_info = await pillar_call(node.share)
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url = share_info.get('theatre_link', share_info.get('short_link'))
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context.window_manager.clipboard = url
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self.report({'INFO'}, 'The link has been copied to your clipboard')
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await self.maybe_open_browser(url)
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async def upload_file(self, filename: str, fileobj=None) -> pillarsdk.Node:
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"""Uploads a file to the cloud, attached to the image sharing node.
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Returns the node.
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"""
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self.log.info('Uploading file %s', filename)
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node = await pillar_call(pillarsdk.Node.create_asset_from_file,
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self.home_project_id,
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self.share_group_id,
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'image',
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filename,
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extra_where={'user': self.user_id},
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always_create_new_node=True,
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fileobj=fileobj,
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caching=False)
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node_id = node['_id']
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self.log.info('Created node %s', node_id)
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self.report({'INFO'}, 'File succesfully uploaded to the cloud!')
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return node
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async def maybe_open_browser(self, url):
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prefs = blender.preferences()
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if not prefs.open_browser_after_share:
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return
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import webbrowser
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self.log.info('Opening browser at %s', url)
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webbrowser.open_new_tab(url)
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async def upload_datablock(self, context) -> pillarsdk.Node:
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"""Saves a datablock to file if necessary, then upload.
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Returns the node.
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"""
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self.log.info("Uploading datablock '%s'" % self.name)
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datablock = bpy.data.images[self.name]
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if datablock.type == 'RENDER_RESULT':
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# Construct a sensible name for this render.
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filename = '%s-%s-render%s' % (
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os.path.splitext(os.path.basename(context.blend_data.filepath))[0],
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context.scene.name,
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context.scene.render.file_extension)
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await self.upload_via_tempdir(datablock, filename)
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return
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if datablock.packed_file is not None:
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await self.upload_packed_file(datablock)
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return
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if datablock.is_dirty:
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# We can handle dirty datablocks like this if we want.
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# However, I (Sybren) do NOT think it's a good idea to:
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# - Share unsaved data to the cloud; users can assume it's saved
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# to disk and close blender, losing their file.
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# - Save unsaved data first; this can overwrite a file a user
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# didn't want to overwrite.
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filename = bpy.path.basename(datablock.filepath)
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await self.upload_via_tempdir(datablock, filename)
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return
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filepath = bpy.path.abspath(datablock.filepath)
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return await self.upload_file(filepath)
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async def upload_via_tempdir(self, datablock, filename_on_cloud) -> pillarsdk.Node:
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"""Saves the datablock to file, and uploads it to the cloud.
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Saving is done to a temporary directory, which is removed afterwards.
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Returns the node.
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"""
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with tempfile.TemporaryDirectory() as tmpdir:
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filepath = os.path.join(tmpdir, filename_on_cloud)
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self.log.debug('Saving %s to %s', datablock, filepath)
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datablock.save_render(filepath)
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return await self.upload_file(filepath)
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async def upload_packed_file(self, datablock) -> pillarsdk.Node:
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"""Uploads a packed file directly from memory.
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Returns the node.
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"""
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import io
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filename = '%s.%s' % (datablock.name, datablock.file_format.lower())
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fileobj = io.BytesIO(datablock.packed_file.data)
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fileobj.seek(0) # ensure PillarSDK reads the file from the beginning.
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self.log.info('Uploading packed file directly from memory to %r.', filename)
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return await self.upload_file(filename, fileobj=fileobj)
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def image_editor_menu(self, context):
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image = context.space_data.image
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box = self.layout.row()
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if image and image.has_data:
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text = 'Share on Blender Cloud'
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if image.type == 'IMAGE' and image.is_dirty and not image.packed_file:
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box.enabled = False
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text = 'Save image before sharing on Blender Cloud'
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props = box.operator(PILLAR_OT_image_share.bl_idname, text=text)
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props.target = 'DATABLOCK'
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props.name = image.name
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def register():
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bpy.utils.register_class(PILLAR_OT_image_share)
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bpy.types.IMAGE_HT_header.append(image_editor_menu)
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def unregister():
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bpy.utils.unregister_class(PILLAR_OT_image_share)
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bpy.types.IMAGE_HT_header.remove(image_editor_menu)
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