377 lines
16 KiB
Python
377 lines
16 KiB
Python
import os
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import io
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import json
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import zipfile
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import logging
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from shutil import rmtree
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from datetime import datetime
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from ostools import getDataDir
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try:
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from PyQt6 import QtCore, QtGui, QtWidgets, QtNetwork
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from PyQt6.QtGui import QAction
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_flag_selectable = QtCore.Qt.TextInteractionFlag.TextSelectableByMouse
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_flag_topalign = QtCore.Qt.AlignmentFlag.AlignLeading|QtCore.Qt.AlignmentFlag.AlignLeft|QtCore.Qt.AlignmentFlag.AlignTop
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except ImportError:
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print("PyQt5 fallback (thememanager.py)")
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from PyQt5 import QtCore, QtGui, QtWidgets, QtNetwork
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from PyQt5.QtWidgets import QAction
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_flag_selectable = QtCore.Qt.TextSelectableByMouse
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_flag_topalign = QtCore.Qt.AlignLeading|QtCore.Qt.AlignLeft|QtCore.Qt.AlignTop
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PchumLog = logging.getLogger("pchumLogger")
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themeManager = None
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# ~Lisanne
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# This file has all the stuff needed to use a theme repository
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# - ThemeManagerWidget, a GUI widget that lets the user install, update, & delete repository themes
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# - ThemeManager, the class that the widget hooks up to. Handles fetching, downloading, installing, & keeps the manifest updated
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# Manifest is a local file that tracks the metadata of themes downloaded from the repository
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# Its a themename: {database entry} dict
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class ThemeManager(QtCore.QObject):
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# signals
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theme_installed = QtCore.pyqtSignal(str) # theme name
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zip_downloaded = QtCore.pyqtSignal(str, str) # theme name, zip location
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database_refreshed = QtCore.pyqtSignal(dict) # self.manifest
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manifest_updated = QtCore.pyqtSignal(dict) # self.manifest
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errored = QtCore.pyqtSignal(str) # error_text
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# variables
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manifest = {}
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database = {}
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database_entries = {}
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config = None
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manifest_path = os.path.join(getDataDir(), "manifest.js")
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NAManager = None
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downloads = {}
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def __init__(self, config):
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super().__init__()
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with open(self.manifest_path, 'r') as f:
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self.manifest = json.load(f)
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PchumLog.debug("Manifest.js loaded with: %s" % self.manifest)
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self.config = config
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self.NAManager = QtNetwork.QNetworkAccessManager()
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self.NAManager.finished[QtNetwork.QNetworkReply].connect(self._on_reply)
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self.validate_manifest()
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self.refresh_database()
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@QtCore.pyqtSlot()
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def refresh_database(self):
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PchumLog.debug("Refreshing theme repo database @ %s" % self.config.theme_repo_url())
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promise = self.NAManager.get(QtNetwork.QNetworkRequest(QtCore.QUrl(self.config.theme_repo_url())))
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def delete_theme(self, theme_name):
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theme = self.manifest[theme_name]
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directory = os.path.join(getDataDir(), 'themes', theme['name'])
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if os.path.isdir(directory):
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rmtree(directory)
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self.manifest.pop(theme_name)
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self.save_manifest()
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self.manifest_updated.emit(self.manifest)
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def save_manifest(self):
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with open(self.manifest_path, 'w') as f:
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json.dump(self.manifest, f)
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PchumLog.debug("Saved manifes.js to %s" % self.manifest_path)
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def validate_manifest(self):
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all_themes = self.config.availableThemes()
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for theme_name in self.manifest:
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if not theme_name in all_themes:
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PchumLog.warning("Theme %s from the manifest seems to have been deleted" % theme_name)
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def download_theme(self, theme_name):
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PchumLog.info("Downloading %s" % theme_name)
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promise = self.NAManager.get(QtNetwork.QNetworkRequest(QtCore.QUrl(self.database_entries[theme_name]['download'])))
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self.downloads[self.database_entries[theme_name]['download']] = self.database_entries[theme_name]
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def has_update(self, theme_name):
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if self.is_installed(theme_name) and theme_name in self.database_entries:
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return self.manifest[theme_name]['version'] != self.database_entries[theme_name]['version']
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return False
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def is_installed(self, theme_name):
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return theme_name in self.manifest
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def is_database_valid(self):
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return 'entries' in self.database and isinstance(self.database.get('entries'), list)
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# using a slot here raises `ERROR - <class 'TypeError'>, connect() failed between finished(QNetworkReply*) and _on_reply()``
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# maybe because of the underscore?
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# @QtCore.pyqtSlot(QtNetwork.QNetworkReply)
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def _on_reply(self, reply):
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if reply.error() != QtNetwork.QNetworkReply.NetworkError.NoError:
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PchumLog.error("An error occured contacting the repository: %s" % reply.error())
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self.errored.emit("An error occured contacting the repository: %s" % reply.error())
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return
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try:
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original_url = reply.request().url().url()
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# Check if zipfile or database fetch
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if original_url in self.downloads:
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theme = self.downloads[original_url]
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self._handle_downloaded_zip(bytes(reply.readAll()), theme)
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self.downloads.pop(original_url)
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self.manifest[theme['name']] = theme
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self.save_manifest()
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self.manifest_updated.emit(self.manifest)
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else:
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as_json = bytes(reply.readAll()).decode("utf-8")
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self.database = json.loads(as_json)
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self.database_entries = {}
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if not self.is_database_valid():
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self.database = {}
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PchumLog.error('Incorrect database format, missing "entries"')
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self.errored.emit('Incorrect database format, missing "entries"')
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return
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# Filter out non-QTchum client themes, like for godot
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for dbindex in range(len(self.database['entries'])-1, -1, -1): # Iterate over the database in reverse
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dbitem = self.database['entries'][dbindex]
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if dbitem['client'] != "pesterchum":
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PchumLog.debug("Removed database theme %s because it is not compatible with this client" % dbitem['name'])
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self.database['entries'].pop(dbindex)
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# Make an easy lookup table instead of the array we get from the DB
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for dbitem in self.database['entries']:
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self.database_entries[dbitem['name']] = dbitem
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self.database_refreshed.emit(self.database)
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except json.decoder.JSONDecodeError as e:
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PchumLog.error("Could not decode theme database JSON: %s" % e)
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self.errored.emit("Could not decode theme database JSON: %s" % e)
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return
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except KeyError as e:
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self.database = {}
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self.database_entries = {}
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PchumLog.error("Vital key missing from theme database: %s" % e)
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self.errored.emit("Vital key missing from theme database: %s" % e)
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return
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def _handle_downloaded_zip(self, zip_buffer, theme):
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# ~liasnne TODO: i dont know if this is inside a thread or not so
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# probably check to make sure it is
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# when its not 5 am
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directory = os.path.join(getDataDir(), 'themes', theme['name'])
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with zipfile.ZipFile(io.BytesIO(zip_buffer)) as z:
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if os.path.isdir(directory):
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rmtree(directory)
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# Deletes old files that have been removed in an update
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z.extractall(directory)
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class ThemeManagerWidget(QtWidgets.QWidget):
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icons = None
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config = None
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rebuilt = QtCore.pyqtSignal()
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def __init__(self, config, parent=None):
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super().__init__(parent)
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self.icons = [QtGui.QIcon("img/download_pending.png"), QtGui.QIcon("img/download_done.png"), QtGui.QIcon("img/download_update.png"), ]
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self.config = config
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global themeManager
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if themeManager == None or not themeManager.is_database_valid():
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themeManager = ThemeManager(config)
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self.setupUI()
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else:
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self.setupUI()
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self.rebuild()
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themeManager.database_refreshed.connect(self._on_database_refreshed)
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themeManager.manifest_updated.connect(self._on_database_refreshed)
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def setupUI(self):
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self.layout_main = QtWidgets.QVBoxLayout(self)
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self.setLayout(self.layout_main)
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# Search bar
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# TODO: implement searching
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# self.line_search = QtWidgets.QLineEdit()
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# self.line_search.setPlaceholderText("Search for themes")
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# self.layout_main.addWidget(self.line_search)
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# Main layout
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# [list of themes/results] | [selected theme details]
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layout_hbox_list_and_details = QtWidgets.QHBoxLayout()
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# This is the list of database themes
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self.list_results = QtWidgets.QListWidget()
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self.list_results.setSizePolicy(
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QtWidgets.QSizePolicy(
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QtWidgets.QSizePolicy.Policy.Expanding,
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QtWidgets.QSizePolicy.Policy.Expanding,
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)
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)
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self.list_results.itemClicked.connect(self._on_theme_selected)
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layout_hbox_list_and_details.addWidget(self.list_results)
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# This is the right side, has the install buttons & all the theme details of the selected item
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layout_vbox_details = QtWidgets.QVBoxLayout()
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# The theme details are inside a scroll container in case of small window
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self.frame_scroll = QtWidgets.QScrollArea()
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self.frame_scroll.setSizePolicy(
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QtWidgets.QSizePolicy(
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QtWidgets.QSizePolicy.Policy.Preferred,
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QtWidgets.QSizePolicy.Policy.Expanding,
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)
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)
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# The vbox that the detail labels will rest in
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layout_vbox_scroll_insides = QtWidgets.QVBoxLayout()
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# here starts the actual detail labels
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# Selected theme's name
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self.lbl_theme_name = QtWidgets.QLabel("Click a theme to get started")
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self.lbl_theme_name.setTextInteractionFlags(_flag_selectable)
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self.lbl_theme_name.setStyleSheet("QLabel { font-size: 16px; font-weight:bold;}")
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self.lbl_theme_name.setWordWrap(True)
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layout_vbox_scroll_insides.addWidget(self.lbl_theme_name)
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# Author name
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self.lbl_author_name = QtWidgets.QLabel("")
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self.lbl_author_name.setTextInteractionFlags(_flag_selectable)
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layout_vbox_scroll_insides.addWidget(self.lbl_author_name)
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# description. this needs to be the biggest
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self.lbl_description = QtWidgets.QLabel("")
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self.lbl_description.setTextInteractionFlags(_flag_selectable)
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self.lbl_description.setSizePolicy(
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QtWidgets.QSizePolicy(
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QtWidgets.QSizePolicy.Policy.Preferred,
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QtWidgets.QSizePolicy.Policy.MinimumExpanding,
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)
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)
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self.lbl_description.setAlignment(_flag_topalign)
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self.lbl_description.setWordWrap(True)
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layout_vbox_scroll_insides.addWidget(self.lbl_description)
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# requires. shows up if a theme has "inherits" set & we dont have it installed
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self.lbl_requires = QtWidgets.QLabel("")
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self.lbl_requires.setTextInteractionFlags(_flag_selectable)
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layout_vbox_scroll_insides.addWidget(self.lbl_requires)
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# Version number. this will also show the current installed one if there is an update
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self.lbl_version = QtWidgets.QLabel("")
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self.lbl_version.setTextInteractionFlags(_flag_selectable)
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layout_vbox_scroll_insides.addWidget(self.lbl_version)
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# Last update time
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self.lbl_last_update = QtWidgets.QLabel("")
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self.lbl_last_update.setWordWrap(True)
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self.lbl_last_update.setTextInteractionFlags(_flag_selectable)
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layout_vbox_scroll_insides.addWidget(self.lbl_last_update)
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# Theme details done, so we wont need the scroll after this
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self.frame_scroll.setLayout(layout_vbox_scroll_insides)
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layout_vbox_details.addWidget(self.frame_scroll)
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# Insta//uninstall buttons
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# "Uninstall" button. Only visisble when the selected thene is installed
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self.btn_uninstall = QtWidgets.QPushButton("Uninstall", self)
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self.btn_uninstall.setHidden(True)
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self.btn_uninstall.clicked.connect(self._on_uninstall_clicked)
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layout_vbox_details.addWidget(self.btn_uninstall)
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# "Install" button. can also say "Update" if an update is availible
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# Only visible when not installed or if theres an update
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self.btn_install = QtWidgets.QPushButton("Install", self)
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self.btn_install.clicked.connect(self._on_install_clicked)
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self.btn_install.setDisabled(True)
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layout_vbox_details.addWidget(self.btn_install)
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# Done with details
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layout_hbox_list_and_details.addLayout(layout_vbox_details)
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self.layout_main.addLayout(layout_hbox_list_and_details)
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self.btn_refresh = QtWidgets.QPushButton("Refresh", self)
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self.btn_refresh.clicked.connect(themeManager.refresh_database) # Conneced to themeManager!
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self.layout_main.addWidget(self.btn_refresh)
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self.lbl_error = QtWidgets.QLabel("")
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self.lbl_error.setVisible(False)
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self.lbl_error.setWordWrap(True)
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themeManager.errored.connect(self._on_fetch_error)
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self.lbl_error.setTextInteractionFlags(_flag_selectable)
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self.lbl_error.setStyleSheet(" QLabel { background-color:black; color:red; font-size: 16px;}")
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self.layout_main.addWidget(self.lbl_error)
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def _on_fetch_error(self, text):
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self.lbl_error.setText(text)
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self.lbl_error.setVisible(True)
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def _on_uninstall_clicked(self):
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theme = themeManager.database['entries'][self.list_results.currentRow()]
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themeManager.delete_theme(theme['name'])
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def _on_install_clicked(self):
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theme = themeManager.database['entries'][self.list_results.currentRow()]
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themeManager.download_theme(theme['name'])
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@QtCore.pyqtSlot(QtWidgets.QListWidgetItem)
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def _on_theme_selected(self, item):
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index = self.list_results.currentRow()
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theme = themeManager.database['entries'][index]
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theme_name = theme['name']
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is_installed = themeManager.is_installed(theme_name)
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has_update = themeManager.has_update(theme_name)
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self.btn_install.setDisabled(False)
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self.btn_install.setText( "Update" if has_update else "Install" )
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self.btn_install.setVisible( (is_installed and has_update) or not is_installed )
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self.btn_uninstall.setVisible( themeManager.is_installed(theme_name) )
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self.lbl_theme_name.setText(theme_name)
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self.lbl_author_name.setText("By %s" % theme['author'])
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self.lbl_description.setText(theme['description'])
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version_text = "Version %s" % theme['version']
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if has_update:
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version_text += " (Installed: %s)" % themeManager.manifest[theme_name]['version']
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self.lbl_version.setText( version_text )
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self.lbl_requires.setText( ("Requires %s" % theme['inherits']) if theme['inherits'] else "")
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self.lbl_last_update.setText( "Released on: " + datetime.fromtimestamp(theme['updated']).strftime("%d/%m/%Y, %H:%M") )
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@QtCore.pyqtSlot(dict)
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def _on_database_refreshed(self,_):
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self.rebuild()
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def rebuild(self):
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database = themeManager.database
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self.list_results.clear()
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self.lbl_error.setText("")
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self.lbl_error.setVisible(False)
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if not themeManager.is_database_valid():
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self.lbl_error.setText("")
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self.lbl_error.setVisible(True)
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# Repopulate the list
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for dbitem in database['entries']:
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# Determine the suffix
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icon = self.icons[0]
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status = ''
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if themeManager.is_installed(dbitem['name']):
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if themeManager.has_update(dbitem['name']):
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status = '~ (update available)'
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icon = self.icons[2]
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else:
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status = '~ (installed)'
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icon = self.icons[1]
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text = "%s by %s %s" % (dbitem['name'], dbitem['author'], status)
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item = QtWidgets.QListWidgetItem(icon, text)
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self.list_results.addItem(item)
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self.btn_install.setDisabled(True)
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for lbl in [self.lbl_author_name, self.lbl_description, self.lbl_version, self.lbl_requires, self.lbl_last_update]:
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lbl.setText("")
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self.lbl_theme_name.setText("Click a theme to get started")
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self.btn_uninstall.setVisible(False)
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self.btn_install.setVisible(True)
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self.btn_install.setDisabled(True)
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self.rebuilt.emit()
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PchumLog.debug("Rebuilt emitted") |