# -*- coding: utf-8 -*-
# Copyright Martin Manns
# Distributed under the terms of the GNU General Public License
# --------------------------------------------------------------------
# pyspread is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# pyspread is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with pyspread. If not, see <http://www.gnu.org/licenses/>.
# --------------------------------------------------------------------
"""
**Provides**
* :class:`Settings`
"""
from os.path import abspath, dirname, join
from pathlib import Path
from platform import system
from typing import Any
from PyQt5.QtCore import QSettings
from PyQt5.QtWidgets import QToolBar, QWidget
try:
from pyspread.__init__ import VERSION, APP_NAME
except ImportError:
from __init__ import VERSION, APP_NAME
PYSPREAD_DIRNAME = abspath(join(dirname(__file__), ".."))
PYSPREAD_PATH = Path(PYSPREAD_DIRNAME)
DOC_PATH = PYSPREAD_PATH / "pyspread/share/doc"
TUTORIAL_PATH = DOC_PATH / "tutorial"
MANUAL_PATH = DOC_PATH / "manual"
MPL_TEMPLATE_PATH = PYSPREAD_PATH / 'pyspread/share/templates/matplotlib'
RPY2_TEMPLATE_PATH = PYSPREAD_PATH / 'pyspread/share/templates/rpy2'
PLOT9_TEMPLATE_PATH = PYSPREAD_PATH / 'pyspread/share/templates/plotnine'
ICON_PATH = PYSPREAD_PATH / 'pyspread/share/icons'
ACTION_PATH = ICON_PATH / 'actions'
STATUS_PATH = ICON_PATH / 'status'
CHARTS_PATH = ICON_PATH / 'charts'
WEB_URL = "https://pyspread.gitlab.io" # Official Web page
[docs]class Settings:
"""Contains all global application states."""
# Note that `safe_mode` is not listed here but inside
# :class:`model.model.DataArray`
widget_names = ["main_window", "main_toolbar", "find_toolbar",
"format_toolbar", "macro_toolbar", "entry_line",
"entry_line_dock"]
"""Names of widgets with persistant states"""
shape = 1000, 100, 3
"""Default shape of initial grid (rows, columns, tables)"""
maxshape = 1000000, 100000, 100
"""Maximum shape of the grid"""
changed_since_save = False
"""If `True` then File actions trigger a dialog"""
last_file_input_path = Path.home()
"""Initial :class:`~pathlib.Path` for opening files"""
last_file_output_path = Path.home()
"""Initial :class:`~pathlib.Path` for saving files"""
last_file_import_path = Path.home()
"""Initial :class:`~pathlib.Path` for importing files"""
last_file_export_path = Path.home()
"""Initial :class:`~pathlib.Path` for exporting files"""
max_file_history = 5
"""Maximum number of files in file history"""
file_history = []
"""Files in file history"""
entry_line_font_family = "Monospace"
"""Font family for entry line widget"""
macro_editor_font_family = "Monospace"
"""Font family for macro editor widget"""
digest_types = None
"""List of default digest types for preprocessing values from CSV import"""
highlighter_limit = 1000000
"""Maximum length of code, for which the netry line enables highlighting"""
border_choice = "All borders"
"""The state of the border choice button"""
timeout = 1000
"""Timeout for cell calculations in milliseconds"""
refresh_timeout = 1000
"""Timeout for frozen cell updates in milliseconds"""
signature_key = None
"""Key for signing save files"""
font_sizes = (6, 8, 10, 12, 14, 16, 18, 20, 24, 28, 32)
"""Sizes"""
default_row_height = 30
default_column_width = 100
zoom_levels = (0.4, 0.5, 0.6, 0.7, 0.8, 1.0,
1.2, 1.4, 1.6, 1.8, 2.0, 2.5, 3.0, 3.5, 4.0, 5.0, 6.0, 8.0)
print_zoom = None
show_frozen = False
"""If `True` then frozen cell background is striped"""
find_dialog_state = None
"""Find dialog state - needs to be stored when dialog is closed"""
encodings = (
"ascii", "big5", "big5hkscs", "cp037", "cp424", "cp437",
"cp500", "cp720", "cp737", "cp775", "cp850", "cp852", "cp855", "cp856",
"cp857", "cp858", "cp860", "cp861", "cp862", "cp863", "cp864", "cp865",
"cp866", "cp869", "cp874", "cp875", "cp932", "cp949", "cp950",
"cp1006", "cp1026", "cp1140", "cp1250", "cp1251", "cp1252", "cp1253",
"cp1254", "cp1255", "cp1256", "cp1257", "cp1258", "euc-jp",
"euc-jis-2004", "euc-jisx0213", "euc-kr", "gb2312", "gbk", "gb18030",
"hz", "iso2022-jp", "iso2022-jp-1", "iso2022-jp-2", "iso2022-jp-2004",
"iso2022-jp-3", "iso2022-jp-ext", "iso2022-kr", "latin-1", "iso8859-2",
"iso8859-3", "iso8859-4", "iso8859-5", "iso8859-6", "iso8859-7",
"iso8859-8", "iso8859-9", "iso8859-10", "iso8859-13", "iso8859-14",
"iso8859-15", "iso8859-16", "johab", "koi8-r", "koi8-u",
"mac-cyrillic", "mac-greek", "mac-iceland", "mac-latin2", "mac-roman",
"mac-turkish", "ptcp154", "shift-jis", "shift-jis-2004",
"shift-jisx0213", "utf-32", "utf-32-be", "utf-32-le", "utf-16",
"utf-16-be", "utf-16-le", "utf-7", "utf-8", "utf-8-sig",
)
"""Encodings for importing files (e.g. CSV or SVG)"""
sniff_size = 65536
"""Number of bytes for csv sniffer
sniff_size should be larger than 1st+2nd line
"""
# Status bar cell result summation
show_statusbar_sum = True
def __init__(self, parent: QWidget, reset_settings: bool = False):
"""
:param parent: Parent widget, normally main window
:param reset_settings: Do not restore saved settings
"""
super().__setattr__("parent", parent)
super().__setattr__("reset_settings", reset_settings)
def __setattr__(self, key: str, value: Any):
"""
Overloads __setattr__ to ensure that only existing attributes are set
:param key: Setting attribute key
:param value: New setting value
"""
if not hasattr(self, key):
raise AttributeError(f"{self} has no attribute {key}.")
super().__setattr__(key, value)
[docs] def add_to_file_history(self, filename: Path):
"""Adds new file to history
:param value: File name to be added to history
"""
self.file_history = [f for f in self.file_history if f != filename]
self.file_history.insert(0, filename)
self.file_history = self.file_history[:self.max_file_history]
[docs] def reset(self):
"""Reset to defaults"""
cls_attrs = (attr for attr in dir(self)
if (not attr.startswith("__")
and attr not in ("reset", "parent", "save",
"restore", "default_settings")))
for cls_attr in cls_attrs:
setattr(self, cls_attr, getattr(Settings, cls_attr))
[docs] def save(self):
"""Saves application state to QSettings"""
if system() == "Darwin":
settings = QSettings(APP_NAME+".gitlab.io", APP_NAME)
else:
settings = QSettings(APP_NAME, APP_NAME)
# Application state
# Do not store the actual filename. Otherwise, after saving and closing
# File -> Save would overwrite the last saved file.
if self.last_file_input_path is not None:
settings.setValue("last_file_input_path",
self.last_file_input_path)
if self.last_file_import_path is not None:
settings.setValue("last_file_import_path",
self.last_file_import_path)
if self.last_file_export_path is not None:
settings.setValue("last_file_export_path",
self.last_file_export_path)
settings.setValue("max_file_history", self.max_file_history)
settings.value("file_history", [], 'QStringList')
if self.file_history:
settings.setValue("file_history", self.file_history)
settings.setValue("timeout", self.timeout)
settings.setValue("refresh_timeout", self.refresh_timeout)
settings.setValue("signature_key", self.signature_key)
settings.setValue("show_statusbar_sum", self.show_statusbar_sum)
# GUI state
for widget_name in self.widget_names:
if widget_name == "main_window":
widget = self.parent
else:
widget = getattr(self.parent, widget_name)
# geometry
geometry_name = widget_name + '/geometry'
try:
settings.setValue(geometry_name, widget.saveGeometry())
except AttributeError:
pass
# state
widget_state_name = widget_name + '/windowState'
try:
settings.setValue(widget_state_name, widget.saveState())
except AttributeError:
pass
if isinstance(widget, QToolBar):
toolbar_visibility_name = widget_name + '/visibility'
settings.value(toolbar_visibility_name, [], bool)
settings.setValue(toolbar_visibility_name,
[a.isVisible() for a in widget.actions()])
if widget_name == "entry_line_dock":
settings.setValue("entry_line_isvisible", widget.isVisible())
settings.sync()
[docs] def restore(self):
"""Restores application state from QSettings"""
def qt_bool(value):
"""Converts Qt setting string for bool into Python bool"""
if value == "true":
return True
else:
return False
if self.reset_settings:
return
if system() == "Darwin":
settings = QSettings(APP_NAME+".gitlab.io", APP_NAME)
else:
settings = QSettings(APP_NAME, APP_NAME)
def setting2attr(setting_name, attr=None, mapper=None):
"""Sets attr to mapper(<Setting from setting_name>)"""
value = settings.value(setting_name)
if value is None:
return
if attr is None:
attr = setting_name
if mapper is None:
def mapper(x):
return x
setattr(self, attr, mapper(value))
# Application state
setting2attr("last_file_input_path")
setting2attr("last_file_import_path")
setting2attr("last_file_export_path")
setting2attr("max_file_history", mapper=int)
setting2attr("file_history")
setting2attr("timeout", mapper=int)
setting2attr("refresh_timeout", mapper=int)
setting2attr("signature_key")
setting2attr("show_statusbar_sum", mapper=qt_bool)
# GUI state
for widget_name in self.widget_names:
geometry_name = widget_name + '/geometry'
widget_state_name = widget_name + '/windowState'
if widget_name == "main_window":
widget = self.parent
else:
widget = getattr(self.parent, widget_name)
geometry = settings.value(geometry_name)
if geometry:
widget.restoreGeometry(geometry)
widget_state = settings.value(widget_state_name)
if widget_state:
widget.restoreState(widget_state)
if isinstance(widget, QToolBar):
toolbar_visibility_name = widget_name + '/visibility'
visibility = settings.value(toolbar_visibility_name)
if visibility is not None:
for is_visible, action in zip(visibility,
widget.actions()):
action.setVisible(is_visible in ['true', True])
manager_button = widget.widgetForAction(widget.actions()[-1])
manager_button.menu().update_checked_states()
if widget_name == "entry_line_dock" \
and settings.value("entry_line_isvisible") is not None:
visible = settings.value("entry_line_isvisible") in ['true',
True]
widget.setVisible(visible)
pyspread