417 lines
16 KiB
Python
417 lines
16 KiB
Python
# ***************************************************************************
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# * *
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# * Copyright (c) 2022 FreeCAD Project Association *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * This program is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this program; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************
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import FreeCAD
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import os
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from urllib.parse import urlparse
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from typing import Dict, Set
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from threading import Lock
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from addonmanager_macro import Macro
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import addonmanager_utilities as utils
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translate = FreeCAD.Qt.translate
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class Addon:
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"Encapsulate information about a FreeCAD addon"
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from enum import IntEnum
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class Kind(IntEnum):
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WORKBENCH = 1
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MACRO = 2
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PACKAGE = 3
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def __str__(self) -> str:
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if self.value == 1:
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return "Workbench"
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elif self.value == 2:
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return "Macro"
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elif self.value == 3:
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return "Package"
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class Status(IntEnum):
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NOT_INSTALLED = 0
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UNCHECKED = 1
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NO_UPDATE_AVAILABLE = 2
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UPDATE_AVAILABLE = 3
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PENDING_RESTART = 4
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CANNOT_CHECK = 5 # If we don't have git, etc.
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def __lt__(self, other):
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if self.__class__ is other.__class__:
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return self.value < other.value
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return NotImplemented
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def __str__(self) -> str:
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if self.value == 0:
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return "Not installed"
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elif self.value == 1:
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return "Unchecked"
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elif self.value == 2:
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return "No update available"
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elif self.value == 3:
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return "Update available"
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elif self.value == 4:
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return "Restart required"
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elif self.value == 5:
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return "Can't check"
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class Dependencies:
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def __init__(self):
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self.required_external_addons = dict()
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self.blockers = dict()
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self.replaces = dict()
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self.unrecognized_addons: Set[str] = set()
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self.python_required: Set[str] = set()
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self.python_optional: Set[str] = set()
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class ResolutionFailed(RuntimeError):
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def __init__(self, msg):
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super().__init__(msg)
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def __init__(self, name: str, url: str, status: Status, branch: str):
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self.name = name.strip()
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self.display_name = self.name
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self.url = url.strip()
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self.branch = branch.strip()
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self.python2 = False
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self.obsolete = False
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self.rejected = False
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self.repo_type = Addon.Kind.WORKBENCH
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self.description = None
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self.tags = set() # Just a cache, loaded from Metadata
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# To prevent multiple threads from running git actions on this repo at the same time
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self.git_lock = Lock()
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# To prevent multiple threads from accessing the status at the same time
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self.status_lock = Lock()
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self.set_status(status)
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from addonmanager_utilities import construct_git_url
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# The url should never end in ".git", so strip it if it's there
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parsed_url = urlparse(self.url)
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if parsed_url.path.endswith(".git"):
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self.url = parsed_url.scheme + parsed_url.path[:-4]
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if parsed_url.query:
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self.url += "?" + parsed_url.query
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if parsed_url.fragment:
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self.url += "#" + parsed_url.fragment
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if utils.recognized_git_location(self):
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self.metadata_url = construct_git_url(self, "package.xml")
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else:
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self.metadata_url = None
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self.metadata = None
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self.icon = None
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self.cached_icon_filename = ""
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self.macro = None # Bridge to Gaël Écorchard's macro management class
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self.updated_timestamp = None
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self.installed_version = None
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# Each repo is also a node in a directed dependency graph (referenced by name so
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# they cen be serialized):
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self.requires: Set[str] = set()
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self.blocks: Set[str] = set()
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# And maintains a list of required and optional Python dependencies from metadata.txt
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self.python_requires: Set[str] = set()
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self.python_optional: Set[str] = set()
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def __str__(self) -> str:
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result = f"FreeCAD {self.repo_type}\n"
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result += f"Name: {self.name}\n"
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result += f"URL: {self.url}\n"
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result += (
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"Has metadata\n" if self.metadata is not None else "No metadata found\n"
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)
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if self.macro is not None:
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result += "Has linked Macro object\n"
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return result
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@classmethod
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def from_macro(self, macro: Macro):
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if macro.is_installed():
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status = Addon.Status.UNCHECKED
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else:
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status = Addon.Status.NOT_INSTALLED
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instance = Addon(macro.name, macro.url, status, "master")
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instance.macro = macro
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instance.repo_type = Addon.Kind.MACRO
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instance.description = macro.desc
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return instance
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@classmethod
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def from_cache(self, cache_dict: Dict):
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"""Load basic data from cached dict data. Does not include Macro or Metadata information, which must be populated separately."""
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mod_dir = os.path.join(FreeCAD.getUserAppDataDir(), "Mod", cache_dict["name"])
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if os.path.isdir(mod_dir):
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status = Addon.Status.UNCHECKED
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else:
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status = Addon.Status.NOT_INSTALLED
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instance = Addon(
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cache_dict["name"], cache_dict["url"], status, cache_dict["branch"]
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)
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for key, value in cache_dict.items():
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instance.__dict__[key] = value
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instance.repo_type = Addon.Kind(cache_dict["repo_type"])
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if instance.repo_type == Addon.Kind.PACKAGE:
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# There must be a cached metadata file, too
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cached_package_xml_file = os.path.join(
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FreeCAD.getUserCachePath(),
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"AddonManager",
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"PackageMetadata",
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instance.name,
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)
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if os.path.isfile(cached_package_xml_file):
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instance.load_metadata_file(cached_package_xml_file)
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if "requires" in cache_dict:
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instance.requires = set(cache_dict["requires"])
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instance.blocks = set(cache_dict["blocks"])
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instance.python_requires = set(cache_dict["python_requires"])
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instance.python_optional = set(cache_dict["python_optional"])
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return instance
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def to_cache(self) -> Dict:
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"""Returns a dictionary with cache information that can be used later with from_cache to recreate this object."""
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return {
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"name": self.name,
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"display_name": self.display_name,
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"url": self.url,
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"branch": self.branch,
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"repo_type": int(self.repo_type),
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"description": self.description,
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"cached_icon_filename": self.get_cached_icon_filename(),
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"python2": self.python2,
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"obsolete": self.obsolete,
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"rejected": self.rejected,
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"requires": list(self.requires),
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"blocks": list(self.blocks),
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"python_requires": list(self.python_requires),
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"python_optional": list(self.python_optional),
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}
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def load_metadata_file(self, file: str) -> None:
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if os.path.exists(file):
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metadata = FreeCAD.Metadata(file)
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self.set_metadata(metadata)
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else:
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FreeCAD.Console.PrintMessage(
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"Internal error: {} does not exist".format(file)
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)
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def set_metadata(self, metadata: FreeCAD.Metadata) -> None:
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self.metadata = metadata
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self.display_name = metadata.Name
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self.repo_type = Addon.Kind.PACKAGE
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self.description = metadata.Description
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for url in metadata.Urls:
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if "type" in url and url["type"] == "repository":
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self.url = url["location"]
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if "branch" in url:
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self.branch = url["branch"]
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else:
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self.branch = "master"
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self.extract_tags(self.metadata)
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def verify_url_and_branch(self, url: str, branch: str) -> None:
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"""Print diagnostic information for Addon Developers if their metadata is
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inconsistent with the actual fetch location. Most often this is due to using
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the wrong branch name."""
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if self.url != url:
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FreeCAD.Console.PrintWarning(
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translate(
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"AddonsInstaller",
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"Addon Developer Warning: Repository URL set in package.xml file for addon {} ({}) does not match the URL it was fetched from ({})",
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).format(self.display_name, self.url, url)
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+ "\n"
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)
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if self.branch != branch:
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FreeCAD.Console.PrintWarning(
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translate(
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"AddonsInstaller",
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"Addon Developer Warning: Repository branch set in package.xml file for addon {} ({}) does not match the branch it was fetched from ({})",
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).format(self.display_name, self.branch, branch)
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+ "\n"
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)
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def extract_tags(self, metadata: FreeCAD.Metadata) -> None:
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for new_tag in metadata.Tag:
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self.tags.add(new_tag)
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content = metadata.Content
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for key, value in content.items():
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for item in value:
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self.extract_tags(item)
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def contains_workbench(self) -> bool:
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"""Determine if this package contains (or is) a workbench"""
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if self.repo_type == Addon.Kind.WORKBENCH:
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return True
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elif self.repo_type == Addon.Kind.PACKAGE:
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if self.metadata is None:
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FreeCAD.Console.PrintWarning(
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f"Addon Manager internal error: lost metadata for package {self.name}\n"
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)
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return False
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content = self.metadata.Content
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if not content:
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FreeCAD.Console.PrintLog(
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f"Package {self.display_name} does not list any content items in its package.xml metadata file.\n"
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)
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return False
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return "workbench" in content
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else:
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return False
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def contains_macro(self) -> bool:
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"""Determine if this package contains (or is) a macro"""
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if self.repo_type == Addon.Kind.MACRO:
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return True
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elif self.repo_type == Addon.Kind.PACKAGE:
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if self.metadata is None:
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FreeCAD.Console.PrintWarning(
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f"Addon Manager internal error: lost metadata for package {self.name}\n"
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)
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return False
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content = self.metadata.Content
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return "macro" in content
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else:
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return False
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def contains_preference_pack(self) -> bool:
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"""Determine if this package contains a preference pack"""
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if self.repo_type == Addon.Kind.PACKAGE:
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if self.metadata is None:
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FreeCAD.Console.PrintWarning(
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f"Addon Manager internal error: lost metadata for package {self.name}\n"
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)
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return False
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content = self.metadata.Content
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return "preferencepack" in content
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else:
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return False
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def get_cached_icon_filename(self) -> str:
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"""Get the filename for the locally-cached copy of the icon"""
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if self.cached_icon_filename:
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return self.cached_icon_filename
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if not self.metadata:
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return ""
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real_icon = self.metadata.Icon
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if not real_icon:
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# If there is no icon set for the entire package, see if there are any workbenches, which
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# are required to have icons, and grab the first one we find:
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content = self.metadata.Content
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if "workbench" in content:
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wb = content["workbench"][0]
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if wb.Icon:
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if wb.Subdirectory:
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subdir = wb.Subdirectory
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else:
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subdir = wb.Name
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real_icon = subdir + wb.Icon
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real_icon = real_icon.replace(
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"/", os.path.sep
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) # Required path separator in the metadata.xml file to local separator
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_, file_extension = os.path.splitext(real_icon)
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store = os.path.join(
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FreeCAD.getUserCachePath(), "AddonManager", "PackageMetadata"
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)
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self.cached_icon_filename = os.path.join(
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store, self.name, "cached_icon" + file_extension
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)
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return self.cached_icon_filename
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def walk_dependency_tree(self, all_repos, deps):
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"""Compute the total dependency tree for this repo (recursive)"""
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deps.python_required |= self.python_requires
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deps.python_optional |= self.python_optional
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for dep in self.requires:
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if dep in all_repos:
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if not dep in deps.required:
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deps.required_external_addons.append(all_repos[dep])
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all_repos[dep].walk_dependency_tree(all_repos, deps)
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else:
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# Maybe this is an internal workbench, just store its name
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deps.unrecognized_addons.add(dep)
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for dep in self.blocks:
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if dep in all_repos:
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deps.blockers[dep] = all_repos[dep]
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def status(self):
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with self.status_lock:
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return self.update_status
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def set_status(self, status):
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with self.status_lock:
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self.update_status = status
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def is_disabled(self):
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# Check for existence of disabling stopfile:
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stopfile = os.path.join(
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FreeCAD.getUserAppDataDir(), "Mod", self.name, "ADDON_DISABLED"
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)
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if os.path.exists(stopfile):
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return True
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else:
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return False
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def disable(self):
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stopfile = os.path.join(
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FreeCAD.getUserAppDataDir(), "Mod", self.name, "ADDON_DISABLED"
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)
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with open(stopfile, "w") as f:
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f.write(
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"The existence of this file prevents FreeCAD from loading this Addon. To re-enable, delete the file."
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)
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def enable(self):
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stopfile = os.path.join(
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FreeCAD.getUserAppDataDir(), "Mod", self.name, "ADDON_DISABLED"
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)
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try:
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os.unlink(stopfile)
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except Exception:
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pass
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