Package Manager add-on now functional, with limitations
- For now, add-ons are downloaded from http://localhost:8000/. - Add-ons on the index.json (from blender.org gitweb) are only displayed if they are not installed locally, or installed in the USER path. - Only .py add-ons are supported for now, but .zip add-ons will be supported next commit.
This commit is contained in:
@@ -16,61 +16,172 @@
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# ======================= END GPL LICENSE BLOCK ========================
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import bpy
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import addon_utils
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import json
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import urllib.request
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import logging
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import shutil
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from bpy.props import StringProperty
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logging.basicConfig(format='%(asctime)-15s %(levelname)8s %(name)s %(message)s',
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level=logging.INFO)
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log = logging.getLogger('networking')
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class UpdateIndex(bpy.types.Operator):
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"""Update the list of add-ons available for download"""
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class WM_OT_update_index(bpy.types.Operator):
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"""Check for updated list of add-ons available for download"""
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bl_idname = "wm.update_index"
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bl_label = "Update list of add-ons"
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bl_label = "Check for updated list of add-ons"
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def execute(self, context):
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# Download the index.json file
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try:
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req = urllib.request.urlopen("https://git.blender.org/gitweb/gitweb.cgi/"
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"blender-package-manager-addon.git/blob_plain/HEAD:/addons/index.json")
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index_file = req.read()
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del req
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index_file = req.read().decode('utf-8')
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req.close()
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except urllib.error.HTTPError as err:
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self.report({'ERROR'}, "Error requesting update: "
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+ str(err.code) + " " + err.reason)
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return {'CANCELLED'}
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# Parse downloaded file
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try:
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addon_list = json.loads(index_file)
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except ValueError:
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except ValueError as err:
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self.report({'ERROR'}, "Error: JSON file could not parse.")
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log.warning("ValueError: %s", err)
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return {'CANCELLED'}
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for addon_list["addons"] as name, content:
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addon = PackageManagerAddon()
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addon.name = name
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addon.source = content["source"]
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addon.description = content["description"]
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addon.author = content["author"]
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addon.wiki_url = content["wiki_url"]
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addon.tracker_url = content["tracker_url"]
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addon.location = content["location"]
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addon.category = content["category"]
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for content["version"] as item:
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# TODO: add multi-version functionality
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for item as version, value:
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addon.version = key
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addon.blender = value["blender"]
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addon.support = value["support"].upper()
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try:
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addon.warning = content["warning"]
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except Exception:
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pass
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addon.filename = value["filename"]
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# Get the add-on preferences
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prefs = bpy.context.user_preferences.addons.get("package_manager").preferences
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# Clear previous list of add-ons
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prefs.pm_addons.clear()
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prefs.pm_addons_index = 0
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print(index_file)
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user_path = bpy.utils.user_resource('SCRIPTS', path="addons")
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installed = addon_utils.modules()
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# Loop through every add-on in the parsed json
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for name, content in addon_list["addons"].items():
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# Skip add-ons not installed to USER directory
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# TODO: support above later
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for a in installed:
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if name == a.__name__ and user_path not in a.__file__:
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log.warning("Not listing add-on %s, as it is installed to "
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"location other than USER path", name)
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break
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else:
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# Add new add-on to the list
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addon = prefs.pm_addons.add()
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self.load_addon_data(addon, name, content)
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return {'FINISHED'}
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def load_addon_data(self, addon, module_name, content):
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addon.name = content["name"]
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addon.blender = '.'.join(map(str, content["blender"]))
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addon.module_name = module_name
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if "author" in content:
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addon.author = content["author"]
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if "category" in content:
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addon.category = content["category"]
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if "description" in content:
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addon.description = content["description"]
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if "filename" in content:
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addon.filename = content["filename"]
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if "location" in content:
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addon.location = content["location"]
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if "source" in content:
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addon.source = content["source"]
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if "support" in content:
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addon.support = content["support"]
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if "tracker_url" in content:
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addon.tracker_url = content["tracker_url"]
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if "version" in content:
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# TODO: add multi-version functionality
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addon.version = '.'.join(map(str, content["version"]))
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if "wiki_url" in content:
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addon.wiki_url = content["wiki_url"]
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if "warning" in content:
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addon.warning = content["warning"]
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class WM_OT_addon_download_install(bpy.types.Operator):
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"""Download and install add-on"""
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bl_idname = "wm.addon_download_install"
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bl_label = "Download and install selected add-on"
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addon = bpy.props.StringProperty()
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def execute(self, context):
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if self.addon is None:
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return {'CANCELLED'}
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# Get the add-on preferences
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prefs = bpy.context.user_preferences.addons.get("package_manager").preferences
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for addon in prefs.pm_addons:
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if addon.module_name == self.addon:
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break
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else:
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print("failed :(")
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return {'CANCELLED'}
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# TODO: specify filetype
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if self.download(self.addon):
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if self.install(self.addon):
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return {'FINISHED'}
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return {'CANCELLED'}
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def download(self, addon, filetype=".py"):
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filename = addon + filetype
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download_path = bpy.utils.user_resource('SCRIPTS',
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path="addons/package_manager/download%s" % filetype)
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try:
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req = urllib.request.urlopen("http://localhost:8000/%s" % filename)
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with open(download_path, 'wb') as download_file:
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shutil.copyfileobj(req, download_file)
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req.close()
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except urllib.error.HTTPError as err:
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log.warning("Download failed with HTTPError: %s %s",
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str(err.code), err.reason)
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return False
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return True
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def install(self, addon, filetype=".py"):
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filename = addon + filetype if filetype == ".py" else ""
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download_path = bpy.utils.user_resource('SCRIPTS',
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path="addons/package_manager/download%s" % filetype)
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addon_path = bpy.utils.user_resource('SCRIPTS', path="addons/%s" % filename)
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if filetype == ".py":
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shutil.move(download_path, addon_path)
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return True
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def register():
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bpy.utils.register_class(UpdateIndex)
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bpy.utils.register_class(WM_OT_update_index)
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bpy.utils.register_class(WM_OT_addon_download_install)
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def unregister():
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bpy.utils.unregister_class(UpdateIndex)
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bpy.utils.unregister_class(WM_OT_update_index)
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bpy.utils.unregister_class(WM_OT_addon_download_install)
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