656 lines
23 KiB
Python
656 lines
23 KiB
Python
"""
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Blender Package manager
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"""
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bl_info = {
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'name': 'Package Manager',
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'author': 'Sybren A. Stüvel',
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'version': (0, 1, 0),
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'blender': (2, 79, 0),
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'location': 'Addon Preferences panel',
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'description': 'Add-on package manager.',
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'category': 'System',
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}
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import logging
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if 'bpy' in locals():
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import importlib
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subproc = importlib.reload(subproc)
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else:
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from . import subproc
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import bpy
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class SubprocMixin:
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"""Mix-in class for things that need to be run in a subprocess."""
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log = logging.getLogger(__name__ + '.SubprocMixin')
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_state = 'INITIALIZING'
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_abort_timeout = 0 # time at which we stop waiting for an abort response and just terminate the process
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# Mapping from message type (see bpkg_manager.subproc) to handler function.
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# Should be constructed before modal() gets called.
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msg_handlers = {}
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def execute(self, context):
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return self.invoke(context, None)
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def quit(self):
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"""Signals the state machine to stop this operator from running."""
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self._state = 'QUIT'
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def invoke(self, context, event):
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import multiprocessing
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self.log.info('Starting')
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self.pipe_blender, self.pipe_subproc = multiprocessing.Pipe()
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# The subprocess should just be terminated when Blender quits. Without this,
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# Blender would hang while closing, until the subprocess terminates itself.
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self.process = self.create_subprocess()
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self.process.daemon = True
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self.process.start()
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self._state = 'RUNNING'
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wm = context.window_manager
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wm.modal_handler_add(self)
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self.timer = wm.event_timer_add(0.1, context.window)
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return {'RUNNING_MODAL'}
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def modal(self, context, event):
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import time
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if event.type == 'ESC':
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self.log.warning('Escape pressed, sending abort signal to subprocess')
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self.abort()
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return {'PASS_THROUGH'}
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if event.type != 'TIMER':
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return {'PASS_THROUGH'}
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if self._state == 'ABORTING' and time.time() > self._abort_timeout:
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self.log.error('No response from subprocess to abort request, terminating it.')
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self.report({'ERROR'}, 'No response from subprocess to abort request, terminating it.')
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self.process.terminate()
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self._finish(context)
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return {'CANCELLED'}
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while self.pipe_blender.poll():
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self.handle_received_data()
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if self._state == 'QUIT':
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self._finish(context)
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return {'FINISHED'}
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if not self.process.is_alive():
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self.report_process_died()
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self._finish(context)
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return {'CANCELLED'}
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return {'RUNNING_MODAL'}
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def abort(self):
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import time
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# Allow the subprocess 10 seconds to repsond to our abort message.
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self._abort_timeout = time.time() + 10
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self._state = 'ABORTING'
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self.pipe_blender.send(subproc.Abort())
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def _finish(self, context):
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import multiprocessing
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global bpkg_operation_running
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context.window_manager.event_timer_remove(self.timer)
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bpkg_operation_running = False
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if self.process and self.process.is_alive():
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self.log.debug('Waiting for subprocess to quit')
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try:
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self.process.join(timeout=10)
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except multiprocessing.TimeoutError:
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self.log.warning('Subprocess is hanging, terminating it forcefully.')
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self.process.terminate()
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else:
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self.log.debug('Subprocess stopped with exit code %i', self.process.exitcode)
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def handle_received_data(self):
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recvd = self.pipe_blender.recv()
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self.log.debug('Received message from subprocess: %s', recvd)
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try:
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handler = self.msg_handlers[type(recvd)]
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except KeyError:
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self.log.error('Unable to handle received message %s', recvd)
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# Maybe we shouldn't show this to the user?
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self.report({'WARNING'}, 'Unable to handle received message %s' % recvd)
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return
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handler(recvd)
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def create_subprocess(self):
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"""Implement this in a subclass.
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:rtype: multiprocessing.Process
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"""
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raise NotImplementedError()
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def report_process_died(self):
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"""Provides the user with sensible information when the process has died.
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Implement this in a subclass.
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"""
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raise NotImplementedError()
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class BPKG_OT_install(SubprocMixin, bpy.types.Operator):
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bl_idname = 'bpkg.install'
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bl_label = 'Install package'
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bl_description = 'Downloads and installs a Blender add-on package'
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bl_options = {'REGISTER'}
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package_url = bpy.props.StringProperty(name='package_url', description='The URL of the file to download')
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log = logging.getLogger(__name__ + '.BPKG_OT_install')
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def invoke(self, context, event):
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if not self.package_url:
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self.report({'ERROR'}, 'Package URL not given')
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return {'CANCELLED'}
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return super().invoke(context, event)
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def create_subprocess(self):
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"""Starts the download process.
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Also registers the message handlers.
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:rtype: multiprocessing.Process
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"""
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import multiprocessing
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self.msg_handlers = {
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subproc.Progress: self._subproc_progress,
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subproc.DownloadError: self._subproc_download_error,
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subproc.InstallError: self._subproc_install_error,
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subproc.FileConflictError: self._subproc_conflict_error,
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subproc.Success: self._subproc_success,
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subproc.Aborted: self._subproc_aborted,
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}
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import pathlib
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# TODO: We need other paths besides this one on subprocess end, so it might be better to pass them all at once.
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# For now, just pass this one.
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install_path = pathlib.Path(bpy.utils.user_resource('SCRIPTS', 'addons', create=True))
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self.log.debug("Using %s as install path", install_path)
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import addon_utils
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proc = multiprocessing.Process(target=subproc.download_and_install,
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args=(self.pipe_subproc, self.package_url, install_path, addon_utils.paths()))
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return proc
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def _subproc_progress(self, progress: subproc.Progress):
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self.log.info('Task progress at %i%%', progress.progress * 100)
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def _subproc_download_error(self, error: subproc.DownloadError):
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self.report({'ERROR'}, 'Unable to download package: %s' % error.description)
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self.quit()
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def _subproc_install_error(self, error: subproc.InstallError):
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self.report({'ERROR'}, 'Unable to install package: %s' % error.message)
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self.quit()
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def _subproc_conflict_error(self, error: subproc.FileConflictError):
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self.report({'ERROR'}, 'Unable to install package: %s' % error.message)
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self.quit()
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def _subproc_success(self, success: subproc.Success):
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self.report({'INFO'}, 'Package installed successfully')
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self.quit()
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def _subproc_aborted(self, aborted: subproc.Aborted):
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self.report({'ERROR'}, 'Package installation aborted per your request')
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self.quit()
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def report_process_died(self):
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if self.process.exitcode:
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self.log.error('Process died without telling us! Exit code was %i', self.process.exitcode)
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self.report({'ERROR'}, 'Error downloading package, exit code %i' % self.process.exitcode)
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else:
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self.log.error('Process died without telling us! Exit code was 0 though')
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self.report({'WARNING'}, 'Error downloading package, but process finished OK. This is weird.')
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class BPKG_OT_refresh(SubprocMixin, bpy.types.Operator):
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bl_idname = "bpkg.refresh"
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bl_label = "Refresh Packages"
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bl_description = 'Check for new and updated packages'
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bl_options = {'REGISTER'}
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log = logging.getLogger(__name__ + ".BPKG_OT_refresh")
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def create_subprocess(self):
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"""Starts the download process.
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Also registers the message handlers.
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:rtype: multiprocessing.Process
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"""
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import multiprocessing
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self.msg_handlers = {
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subproc.Progress: self._subproc_progress,
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subproc.SubprocError: self._subproc_error,
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subproc.DownloadError: self._subproc_download_error,
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subproc.Success: self._subproc_success,
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subproc.RepositoryResult: self._subproc_repository_result,
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subproc.Aborted: self._subproc_aborted,
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}
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import pathlib
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storage_path = pathlib.Path(bpy.utils.user_resource('CONFIG', 'packages', create=True))
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repository_url = bpy.context.user_preferences.addons[__package__].preferences.repository_url
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proc = multiprocessing.Process(target=subproc.refresh,
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args=(self.pipe_subproc, storage_path, repository_url))
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return proc
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def _subproc_progress(self, progress: subproc.Progress):
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self.log.info('Task progress at %i%%', progress.progress * 100)
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def _subproc_error(self, error: subproc.SubprocError):
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self.report({'ERROR'}, 'Unable to refresh package list: %s' % error.message)
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self.quit()
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def _subproc_download_error(self, error: subproc.DownloadError):
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self.report({'ERROR'}, 'Unable to download package list: %s' % error.description)
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self.quit()
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def _subproc_success(self, success: subproc.Success):
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self.report({'INFO'}, 'Package list retrieved successfully')
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self.quit()
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def _subproc_repository_result(self, result: subproc.RepositoryResult):
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bpy.context.window_manager['package_repo'] = result.repository
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self.report({'INFO'}, 'Package list retrieved successfully')
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self.quit()
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def _subproc_aborted(self, aborted: subproc.Aborted):
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self.report({'ERROR'}, 'Package list retrieval aborted per your request')
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self.quit()
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def report_process_died(self):
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if self.process.exitcode:
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self.log.error('Process died without telling us! Exit code was %i', self.process.exitcode)
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self.report({'ERROR'}, 'Error refreshing package lists, exit code %i' % self.process.exitcode)
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else:
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self.log.error('Process died without telling us! Exit code was 0 though')
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self.report({'WARNING'}, 'Error refreshing package lists, but process finished OK. This is weird.')
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class BPKG_OT_hang(SubprocMixin, bpy.types.Operator):
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bl_idname = 'bpkg.hang'
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bl_label = 'Hang (debug)'
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bl_description = 'Starts a process that hangs for an hour, for debugging purposes'
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bl_options = {'REGISTER'}
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log = logging.getLogger(__name__ + '.BPKG_OT_install')
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def create_subprocess(self):
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"""Starts the download process.
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Also registers the message handlers.
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:rtype: multiprocessing.Process
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"""
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import multiprocessing
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proc = multiprocessing.Process(target=subproc.debug_hang)
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return proc
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def report_process_died(self):
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self.report({'ERROR'}, 'Process died, exit code %s' % self.process.exitcode)
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class BPKG_OT_load_repositories(SubprocMixin, bpy.types.Operator):
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bl_idname = 'bpkg.load_repositories'
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bl_label = 'Load Repositories'
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bl_description = 'Load repositories from disk'
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bl_options = {'REGISTER'}
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log = logging.getLogger(__name__ + '.BPKG_OT_load_repositories')
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def create_subprocess(self):
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"""
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Start the load process and register message handlers
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"""
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import multiprocessing
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import pathlib
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# TODO: We need other paths besides this one on subprocess end, so it might be better to pass them all at once.
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# For now, just pass this one.
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storage_path = pathlib.Path(bpy.utils.user_resource('CONFIG', 'packages', create=True))
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self.log.debug("Using %s as install path", install_path)
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import addon_utils
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proc = multiprocessing.Process(
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target=subproc.load_repositories,
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args=(self.pipe_subproc, self.storage_path)
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)
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return proc
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self.msg_handlers = {
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subproc.SubprocError: self._subproc_error,
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subproc.RepositoryResult: self._subproc_repository_result,
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subproc.Success: self._subproc_success,
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subproc.Aborted: self._subproc_aborted,
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}
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def _subproc_error(self, error: subproc.SubprocError):
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self.report({'ERROR'}, 'Failed to load repositories: %s' % error.message)
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self.quit()
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def _subproc_repository_result(self, result: subproc.RepositoryResult):
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bpy.context.user_preferences.addons[__package__].preferences['repo'] = result.repository
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self.log.info("Loaded repository %s", result.repository.name)
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def _subproc_success(self, success: subproc.Success):
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self.log.info("Successfully loaded repositories")
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self.quit()
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def _subproc_aborted(self, aborted: subproc.Aborted):
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self.report({'ERROR'}, 'Package installation aborted per your request')
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self.quit()
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def report_process_died(self):
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if self.process.exitcode:
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self.log.error('Process died without telling us! Exit code was %i', self.process.exitcode)
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self.report({'ERROR'}, 'Error downloading package, exit code %i' % self.process.exitcode)
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else:
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self.log.error('Process died without telling us! Exit code was 0 though')
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self.report({'WARNING'}, 'Error downloading package, but process finished OK. This is weird.')
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class USERPREF_PT_packages(bpy.types.Panel):
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bl_label = "Package Management"
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bl_space_type = 'USER_PREFERENCES'
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bl_region_type = 'WINDOW'
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bl_options = {'HIDE_HEADER'}
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log = logging.getLogger(__name__ + '.USERPREF_PT_packages')
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@classmethod
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def poll(cls, context):
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userpref = context.user_preferences
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return (userpref.active_section == 'PACKAGES')
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def draw(self, context):
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layout = self.layout
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wm = context.window_manager
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main = layout.row()
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spl = main.split(.12)
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sidebar = spl.column(align=True)
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pkgzone = spl.column()
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sidebar.label(text="Category")
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sidebar.prop(wm, "addon_filter", text="")
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top = pkgzone.row()
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spl = top.split(.6)
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spl.prop(wm, "package_search", text="", icon='VIEWZOOM')
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spl_r = spl.row()
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spl_r.prop(wm, "package_install_filter", expand=True)
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def filtered(filters: dict, packages: list) -> list:
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"""Returns filtered and sorted list of packages which match filters defined in dict"""
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#TODO: using lower() for case-insensitive comparison doesn't work in some languages
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def match_contains(blinfo) -> bool:
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if blinfo['name'].lower().__contains__(filters['search'].lower()):
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return True
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return False
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def match_startswith(blinfo) -> bool:
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if blinfo['name'].lower().startswith(filters['search'].lower()):
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return True
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return False
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def match_category(blinfo) -> bool:
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if filters['category'].lower() == 'all':
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return True
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if 'category' not in blinfo:
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return False
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if blinfo['category'].lower() == filters['category'].lower():
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return True
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return False
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# use two lists as a simple way of putting "matches from the beginning" on top
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contains = []
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startswith = []
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for pkg in packages:
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blinfo = pkg['bl_info']
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if match_category(blinfo):
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if len(filters['search']) == 0:
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startswith.append(pkg)
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continue
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if match_startswith(blinfo):
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startswith.append(pkg)
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continue
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if match_contains(blinfo):
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contains.append(pkg)
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continue
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return startswith + contains
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def draw_package(pkg, layout):# {{{
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"""Draws the given package"""
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pkgbox = layout.box()
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spl = pkgbox.split(.8)
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left = spl.row(align=True)
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blinfo = pkg['bl_info']
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# for install/uninstall buttons
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right = spl.row()
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right.alignment = 'RIGHT'
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right.scale_y = 1.5
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# for collapse/expand button
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left.operator(
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WM_OT_package_toggle_expand.bl_idname,
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icon='TRIA_DOWN' if pkg.get('expand') else 'TRIA_RIGHT',
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emboss=False,
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).package_id=pkg['id']
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# for metadata
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leftcol = left.column(align=True)
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def collapsed():
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lr1 = leftcol.row()
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lr2 = leftcol.row()
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lr1.label(text=blinfo.get('name', ""))
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lr2.label(text=blinfo.get('description', ""))
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lr2.enabled = False #Give name more visual weight
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if pkg.get('url'):
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right.operator(BPKG_OT_install.bl_idname,
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text="Install").package_url=pkg.get('url')
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def expanded():
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row1 = leftcol.row()
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row1.label(blinfo.get('name'), "")
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if blinfo.get('description'):
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row2 = leftcol.row()
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row2.label(blinfo['description'])
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# row2.scale_y = 1.2
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if blinfo.get('version'):
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vstr = str(blinfo['version'][0])
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for component in blinfo['version'][1:]:
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vstr += "." + str(component)
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spl = leftcol.row().split(.15)
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spl.label("Version:")
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spl.label(vstr)
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for prop in (
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# "description",
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"author",
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"category",
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# "version",
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# "blender",
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"location",
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"warning",
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"support",
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# "wiki_url",
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# "tracker_url",
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):
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if blinfo.get(prop):
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row = leftcol.row()
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row.scale_y = .8
|
|
spl = row.split(.15)
|
|
spl.label("{}:".format(prop.title()))
|
|
spl.label(str(blinfo[prop]))
|
|
|
|
if pkg.get('expand'):
|
|
expanded()
|
|
else:
|
|
collapsed()# }}}
|
|
|
|
def center_message(layout, msg: str):
|
|
"""draw a label in the center of an extra-tall row"""
|
|
row = layout.row()
|
|
row.label(text=msg)
|
|
row.alignment='CENTER'
|
|
row.scale_y = 10
|
|
|
|
try:
|
|
repo = wm['package_repo']
|
|
except KeyError:
|
|
center_message(pkgzone, "Loading Repositories...")
|
|
|
|
import pathlib
|
|
# TODO: read repository synchronously for now; can't run an operator to do async monitoring from draw code
|
|
storage_path = pathlib.Path(bpy.utils.user_resource('CONFIG', 'packages', create=True))
|
|
try:
|
|
res = subproc._load_repo(storage_path)
|
|
wm['package_repo'] = res.to_dict(sort=True, ids=True)
|
|
except FileNotFoundError:
|
|
wm['package_repo'] = None
|
|
return
|
|
|
|
if repo is None:
|
|
center_message(pkgzone, "No repositories found.")
|
|
return
|
|
|
|
filters = {
|
|
'category': bpy.context.window_manager.addon_filter,
|
|
'search': bpy.context.window_manager.package_search,
|
|
}
|
|
filtered_packages = filtered(filters, repo['packages'])
|
|
|
|
for pkg in filtered_packages:
|
|
row = pkgzone.row()
|
|
draw_package(pkg, row)
|
|
|
|
|
|
class WM_OT_package_toggle_expand(bpy.types.Operator):
|
|
bl_idname = "wm.package_toggle_expand"
|
|
bl_label = ""
|
|
bl_description = "Toggle display of all information for given package"
|
|
bl_options = {'INTERNAL'}
|
|
|
|
log = logging.getLogger(__name__ + ".WM_OT_package_toggle_expand")
|
|
|
|
package_id = bpy.props.StringProperty(
|
|
name="Package ID",
|
|
description="ID of package to expand/shrink",
|
|
)
|
|
|
|
def execute(self, context):
|
|
repo = context.window_manager.get('package_repo')
|
|
|
|
if not repo:
|
|
return {'CANCELLED'}
|
|
|
|
for pkg in repo['packages']:
|
|
if pkg.get('id') == self.package_id:
|
|
# if pkg['expand'] is unset, it's not expanded
|
|
pkg['expand'] = not pkg.get('expand', False)
|
|
|
|
return {'FINISHED'}
|
|
|
|
|
|
class PackageManagerPreferences(bpy.types.AddonPreferences):
|
|
bl_idname = __package__
|
|
|
|
package_url = bpy.props.StringProperty(
|
|
name='Package URL',
|
|
description='Just a temporary place to store the URL of a package to download')
|
|
|
|
repository_url = bpy.props.StringProperty(
|
|
name='Repository URL',
|
|
description='Temporary repository URL')
|
|
|
|
def draw(self, context):
|
|
layout = self.layout
|
|
|
|
temp_box = layout.box()
|
|
temp_box.label(text="Temporary stuff while we're developing")
|
|
temp_box.prop(self, 'repository_url')
|
|
temp_box.operator(BPKG_OT_refresh.bl_idname)
|
|
|
|
|
|
def register():
|
|
bpy.utils.register_class(BPKG_OT_install)
|
|
bpy.utils.register_class(BPKG_OT_refresh)
|
|
bpy.utils.register_class(BPKG_OT_load_repositories)
|
|
bpy.utils.register_class(BPKG_OT_hang)
|
|
bpy.utils.register_class(USERPREF_PT_packages)
|
|
bpy.utils.register_class(WM_OT_package_toggle_expand)
|
|
bpy.types.WindowManager.package_search = bpy.props.StringProperty(
|
|
name="Search",
|
|
description="Filter packages by name",
|
|
options={'TEXTEDIT_UPDATE'}
|
|
)
|
|
bpy.types.WindowManager.package_install_filter = bpy.props.EnumProperty(
|
|
items=[('AVAILABLE', "Available", "All packages in selected repositories"),
|
|
('INSTALLED', "Installed", "All installed packages"),
|
|
('UPDATES', "Updates", "All installed packages for which there is a newer version availabe")
|
|
],
|
|
name="Install filter",
|
|
default='AVAILABLE',
|
|
)
|
|
bpy.utils.register_class(PackageManagerPreferences)
|
|
|
|
|
|
def unregister():
|
|
bpy.utils.unregister_class(BPKG_OT_install)
|
|
bpy.utils.unregister_class(BPKG_OT_refresh)
|
|
bpy.utils.unregister_class(BPKG_OT_load_repositories)
|
|
bpy.utils.unregister_class(BPKG_OT_hang)
|
|
bpy.utils.unregister_class(USERPREF_PT_packages)
|
|
bpy.utils.unregister_class(WM_OT_package_toggle_expand)
|
|
del bpy.types.WindowManager.package_search
|
|
del bpy.types.WindowManager.package_install_filter
|
|
bpy.utils.unregister_class(PackageManagerPreferences)
|