821 lines
25 KiB
Python
Executable File
821 lines
25 KiB
Python
Executable File
"""
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Components/FileManager
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======================
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A simple manager for selecting directories and files.
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Usage
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-----
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.. code-block:: python
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path = os.path.expanduser("~") # path to the directory that will be opened in the file manager
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file_manager = MDFileManager(
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exit_manager=self.exit_manager, # function called when the user reaches directory tree root
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select_path=self.select_path, # function called when selecting a file/directory
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)
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file_manager.show(path)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/file-manager.png
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:align: center
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.. warning:: Be careful! To use the `'/'` path on Android devices, you need
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special permissions. Therefore, you are likely to get an error.
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Or with ``preview`` mode:
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.. code-block:: python
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file_manager = MDFileManager(
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exit_manager=self.exit_manager,
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select_path=self.select_path,
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preview=True,
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/file-manager-preview.png
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:align: center
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.. warning:: The `preview` mode is intended only for viewing images and will
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not display other types of files.
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Example
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-------
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.. code-block:: python
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import os
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from kivy.core.window import Window
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from kivy.lang import Builder
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from kivymd.app import MDApp
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from kivymd.uix.filemanager import MDFileManager
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from kivymd.toast import toast
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KV = '''
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MDBoxLayout:
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orientation: "vertical"
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MDTopAppBar:
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title: "MDFileManager"
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left_action_items: [["menu", lambda x: None]]
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elevation: 3
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MDFloatLayout:
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MDRoundFlatIconButton:
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text: "Open manager"
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icon: "folder"
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pos_hint: {"center_x": .5, "center_y": .5}
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on_release: app.file_manager_open()
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'''
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class Example(MDApp):
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def __init__(self, **kwargs):
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super().__init__(**kwargs)
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Window.bind(on_keyboard=self.events)
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self.manager_open = False
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self.file_manager = MDFileManager(
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exit_manager=self.exit_manager, select_path=self.select_path
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)
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def build(self):
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self.theme_cls.theme_style = "Dark"
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self.theme_cls.primary_palette = "Orange"
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return Builder.load_string(KV)
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def file_manager_open(self):
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self.file_manager.show(os.path.expanduser("~")) # output manager to the screen
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self.manager_open = True
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def select_path(self, path: str):
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'''
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It will be called when you click on the file name
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or the catalog selection button.
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:param path: path to the selected directory or file;
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'''
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self.exit_manager()
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toast(path)
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def exit_manager(self, *args):
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'''Called when the user reaches the root of the directory tree.'''
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self.manager_open = False
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self.file_manager.close()
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def events(self, instance, keyboard, keycode, text, modifiers):
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'''Called when buttons are pressed on the mobile device.'''
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if keyboard in (1001, 27):
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if self.manager_open:
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self.file_manager.back()
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return True
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Example().run()
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.. versionadded:: 1.0.0
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Added a feature that allows you to show the available disks first, then the
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files contained in them. Works correctly on: `Windows`, `Linux`, `OSX`, `Android`.
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Not tested on `iOS`.
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.. code-block:: python
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def file_manager_open(self):
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self.file_manager.show_disks()
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/file-manager-show-disks.png
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:align: center
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"""
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__all__ = ("MDFileManager",)
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import locale
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import os
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import re
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from typing import List, Tuple, Union
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from kivy import platform
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from kivy.clock import Clock
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from kivy.factory import Factory
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from kivy.lang import Builder
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from kivy.metrics import dp
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from kivy.properties import (
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BooleanProperty,
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ColorProperty,
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ListProperty,
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NumericProperty,
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ObjectProperty,
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OptionProperty,
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StringProperty,
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)
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from kivy.uix.behaviors import ButtonBehavior
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from kivy.uix.modalview import ModalView
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from kivymd import images_path, uix_path
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from kivymd.uix.behaviors import CircularRippleBehavior
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from kivymd.uix.boxlayout import MDBoxLayout
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from kivymd.uix.button import MDFloatingActionButton
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from kivymd.uix.fitimage import FitImage
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from kivymd.uix.list import BaseListItem
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from kivymd.uix.relativelayout import MDRelativeLayout
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with open(
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os.path.join(uix_path, "filemanager", "filemanager.kv"), encoding="utf-8"
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) as kv_file:
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Builder.load_string(kv_file.read())
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class BodyManager(MDBoxLayout):
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"""Base class for folders and files icons."""
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class BodyManagerWithPreview(MDBoxLayout):
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"""
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Base class for folder icons and thumbnails images in ``preview`` mode.
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"""
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class IconButton(CircularRippleBehavior, ButtonBehavior, FitImage):
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"""Folder icons/thumbnails images in ``preview`` mode."""
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class ModifiedOneLineIconListItem(BaseListItem):
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_txt_left_pad = NumericProperty("72dp")
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_txt_top_pad = NumericProperty("16dp")
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_txt_bot_pad = NumericProperty("15dp")
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_num_lines = 1
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.height = dp(48)
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class MDFileManager(MDRelativeLayout):
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"""
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Implements a modal dialog with a file manager.
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For more information, see in the
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:class:`~kivymd.uix.relativelayout.MDRelativeLayout` class documentation.
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:Events:
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`on_pre_open`:
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Called before the MDFileManager is opened.
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`on_open`:
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Called when the MDFileManager is opened.
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`on_pre_dismiss`:
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Called before the MDFileManager is closed.
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`on_dismiss`:
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Called when the MDFileManager is closed.
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"""
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icon = StringProperty("check", deprecated=True)
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"""
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Icon that will be used on the directory selection button.
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.. deprecated:: 1.1.0
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Use :attr:`icon_selection_button` instead.
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:attr:`icon` is an :class:`~kivy.properties.StringProperty`
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and defaults to `check`.
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"""
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icon_selection_button = StringProperty("check")
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"""
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Icon that will be used on the directory selection button.
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.. versionadded:: 1.1.0
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.. code-block:: python
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MDFileManager(
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...
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icon_selection_button="pencil",
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/file-manager-icon-selection-button.png
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:align: center
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:attr:`icon_selection_button` is an :class:`~kivy.properties.StringProperty`
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and defaults to `check`.
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"""
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background_color_selection_button = ColorProperty(None)
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"""
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Background color in (r, g, b, a) or string format of the current
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directory/path selection button.
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.. versionadded:: 1.1.0
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.. code-block:: python
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MDFileManager(
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...
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background_color_selection_button="brown",
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/file-manager-background-color-selection-button.png
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:align: center
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:attr:`background_color_selection_button` is an :class:`~kivy.properties.ColorProperty`
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and defaults to `None`.
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"""
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background_color_toolbar = ColorProperty(None)
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"""
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Background color in (r, g, b, a) or string format of the file manager toolbar.
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.. versionadded:: 1.1.0
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.. code-block:: python
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MDFileManager(
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...
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background_color_toolbar="brown",
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/file-manager-background-color-toolbar.png
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:align: center
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:attr:`background_color_toolbar` is an :class:`~kivy.properties.ColorProperty`
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and defaults to `None`.
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"""
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icon_folder = StringProperty(f"{images_path}folder.png")
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"""
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Icon that will be used for folder icons when using ``preview = True``.
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.. code-block:: python
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MDFileManager(
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...
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preview=True,
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icon_folder="path/to/icon.png",
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/file-manager-icon-folder.png
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:align: center
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:attr:`icon` is an :class:`~kivy.properties.StringProperty`
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and defaults to `check`.
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"""
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icon_color = ColorProperty(None)
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"""
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Color in (r, g, b, a) or string format of the folder icon when the
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:attr:`preview` property is set to False.
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.. versionadded:: 1.1.0
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.. code-block:: python
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MDFileManager(
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...
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preview=False,
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icon_color="brown",
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/file-manager-icon-color.png
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:align: center
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:attr:`icon_color` is an :class:`~kivy.properties.ColorProperty`
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and defaults to `None`.
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"""
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exit_manager = ObjectProperty(lambda x: None)
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"""
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Function called when the user reaches directory tree root.
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:attr:`exit_manager` is an :class:`~kivy.properties.ObjectProperty`
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and defaults to `lambda x: None`.
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"""
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select_path = ObjectProperty(lambda x: None)
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"""
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Function, called when selecting a file/directory.
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:attr:`select_path` is an :class:`~kivy.properties.ObjectProperty`
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and defaults to `lambda x: None`.
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"""
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ext = ListProperty()
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"""
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List of file extensions to be displayed in the manager.
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For example, `['.py', '.kv']` - will filter out all files,
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except python scripts and Kv Language.
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:attr:`ext` is an :class:`~kivy.properties.ListProperty`
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and defaults to `[]`.
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"""
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search = OptionProperty("all", options=["all", "dirs", "files"])
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"""
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It can take the values 'all' 'dirs' 'files' - display only directories
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or only files or both them. By default, it displays folders, and files.
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Available options are: `'all'`, `'dirs'`, `'files'`.
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:attr:`search` is an :class:`~kivy.properties.OptionProperty`
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and defaults to `all`.
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"""
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current_path = StringProperty(os.path.expanduser("~"))
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"""
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Current directory.
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:attr:`current_path` is an :class:`~kivy.properties.StringProperty`
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and defaults to `os.path.expanduser("~")`.
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"""
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use_access = BooleanProperty(True)
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"""
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Show access to files and directories.
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:attr:`use_access` is an :class:`~kivy.properties.BooleanProperty`
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and defaults to `True`.
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"""
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preview = BooleanProperty(False)
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"""
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Shows only image previews.
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|
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:attr:`preview` is an :class:`~kivy.properties.BooleanProperty`
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and defaults to `False`.
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"""
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show_hidden_files = BooleanProperty(False)
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"""
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Shows hidden files.
|
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|
:attr:`show_hidden_files` is an :class:`~kivy.properties.BooleanProperty`
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and defaults to `False`.
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"""
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sort_by = OptionProperty(
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"name", options=["nothing", "name", "date", "size", "type"]
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)
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"""
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It can take the values 'nothing' 'name' 'date' 'size' 'type' - sorts files
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by option. By default, sort by name. Available options are:
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`'nothing'`, `'name'`, `'date'`, `'size'`, `'type'`.
|
|
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:attr:`sort_by` is an :class:`~kivy.properties.OptionProperty`
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|
and defaults to `name`.
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"""
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sort_by_desc = BooleanProperty(False)
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"""
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Sort by descending.
|
|
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|
:attr:`sort_by_desc` is an :class:`~kivy.properties.BooleanProperty`
|
|
and defaults to `False`.
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"""
|
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selector = OptionProperty("any", options=["any", "file", "folder", "multi"])
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"""
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It can take the values 'any' 'file' 'folder' 'multi'
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By default, any.
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Available options are: `'any'`, `'file'`, `'folder'`, `'multi'`.
|
|
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:attr:`selector` is an :class:`~kivy.properties.OptionProperty`
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and defaults to `any`.
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"""
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selection = ListProperty()
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|
"""
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Contains the list of files that are currently selected.
|
|
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|
:attr:`selection` is a read-only :class:`~kivy.properties.ListProperty`
|
|
and defaults to `[]`.
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"""
|
|
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|
selection_button = ObjectProperty()
|
|
"""
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The instance of the directory/path selection button.
|
|
|
|
.. versionadded:: 1.1.0
|
|
|
|
:attr:`selection_button` is a read-only :class:`~kivy.properties.ObjectProperty`
|
|
and defaults to `None`.
|
|
"""
|
|
|
|
_window_manager = None
|
|
_window_manager_open = False
|
|
|
|
def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.register_event_type("on_pre_open")
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self.register_event_type("on_open")
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self.register_event_type("on_pre_dismiss")
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self.register_event_type("on_dismiss")
|
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toolbar_label = self.ids.toolbar.children[1].children[0]
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toolbar_label.font_style = "Subtitle1"
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Clock.schedule_once(self._create_selection_button)
|
|
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|
if self.preview:
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self.ext = [".png", ".jpg", ".jpeg"]
|
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self.disks = []
|
|
|
|
def show_disks(self) -> None:
|
|
if platform == "win":
|
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self.disks = sorted(
|
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re.findall(
|
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r"[A-Z]+:.*$",
|
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os.popen("mountvol /").read(),
|
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re.MULTILINE,
|
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)
|
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)
|
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elif platform in ["linux", "android"]:
|
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self.disks = sorted(
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re.findall(
|
|
r"on\s(/.*)\stype",
|
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os.popen("mount").read(),
|
|
)
|
|
)
|
|
elif platform == "macosx":
|
|
self.disks = sorted(
|
|
re.findall(
|
|
r"on\s(/.*)\s\(",
|
|
os.popen("mount").read(),
|
|
)
|
|
)
|
|
else:
|
|
return
|
|
|
|
self.current_path = ""
|
|
manager_list = []
|
|
|
|
for disk in self.disks:
|
|
access_string = self.get_access_string(disk)
|
|
if "r" not in access_string:
|
|
icon = "harddisk-remove"
|
|
else:
|
|
icon = "harddisk"
|
|
|
|
manager_list.append(
|
|
{
|
|
"viewclass": "BodyManager",
|
|
"path": disk,
|
|
"icon": icon,
|
|
"dir_or_file_name": disk,
|
|
"events_callback": self.select_dir_or_file,
|
|
"_selected": False,
|
|
}
|
|
)
|
|
self.ids.rv.data = manager_list
|
|
self._show()
|
|
|
|
def show(self, path: str) -> None:
|
|
"""
|
|
Forms the body of a directory tree.
|
|
|
|
:param path:
|
|
The path to the directory that will be opened in the file manager.
|
|
"""
|
|
|
|
self.current_path = path
|
|
self.selection = []
|
|
dirs, files = self.get_content()
|
|
manager_list = []
|
|
|
|
if dirs == [] and files == []: # selected directory
|
|
pass
|
|
elif not dirs and not files: # directory is unavailable
|
|
return
|
|
|
|
if self.preview:
|
|
for name_dir in self.__sort_files(dirs):
|
|
manager_list.append(
|
|
{
|
|
"viewclass": "BodyManagerWithPreview",
|
|
"path": self.icon_folder,
|
|
"realpath": os.path.join(path),
|
|
"type": "folder",
|
|
"name": name_dir,
|
|
"events_callback": self.select_dir_or_file,
|
|
"height": dp(150),
|
|
"_selected": False,
|
|
}
|
|
)
|
|
for name_file in self.__sort_files(files):
|
|
if (
|
|
os.path.splitext(os.path.join(path, name_file))[1]
|
|
in self.ext
|
|
):
|
|
manager_list.append(
|
|
{
|
|
"viewclass": "BodyManagerWithPreview",
|
|
"path": os.path.join(path, name_file),
|
|
"name": name_file,
|
|
"type": "files",
|
|
"events_callback": self.select_dir_or_file,
|
|
"height": dp(150),
|
|
"_selected": False,
|
|
}
|
|
)
|
|
else:
|
|
for name in self.__sort_files(dirs):
|
|
_path = os.path.join(path, name)
|
|
access_string = self.get_access_string(_path)
|
|
if "r" not in access_string:
|
|
icon = "folder-lock"
|
|
else:
|
|
icon = "folder"
|
|
|
|
manager_list.append(
|
|
{
|
|
"viewclass": "BodyManager",
|
|
"path": _path,
|
|
"icon": icon,
|
|
"dir_or_file_name": name,
|
|
"events_callback": self.select_dir_or_file,
|
|
"icon_color": self.theme_cls.primary_color
|
|
if not self.icon_color
|
|
else self.icon_color,
|
|
"_selected": False,
|
|
}
|
|
)
|
|
for name in self.__sort_files(files):
|
|
if self.ext and os.path.splitext(name)[1] not in self.ext:
|
|
continue
|
|
|
|
manager_list.append(
|
|
{
|
|
"viewclass": "BodyManager",
|
|
"path": name,
|
|
"icon": "file-outline",
|
|
"dir_or_file_name": os.path.split(name)[1],
|
|
"events_callback": self.select_dir_or_file,
|
|
"icon_color": self.theme_cls.primary_color
|
|
if not self.icon_color
|
|
else self.icon_color,
|
|
"_selected": False,
|
|
}
|
|
)
|
|
self.ids.rv.data = manager_list
|
|
self._show()
|
|
|
|
def get_access_string(self, path: str) -> str:
|
|
access_string = ""
|
|
if self.use_access:
|
|
access_data = {"r": os.R_OK, "w": os.W_OK, "x": os.X_OK}
|
|
for access in access_data.keys():
|
|
access_string += (
|
|
access if os.access(path, access_data[access]) else "-"
|
|
)
|
|
return access_string
|
|
|
|
def get_content(
|
|
self,
|
|
) -> Union[Tuple[List[str], List[str]], Tuple[None, None]]:
|
|
"""Returns a list of the type [[Folder List], [file list]]."""
|
|
|
|
try:
|
|
files = []
|
|
dirs = []
|
|
|
|
for content in os.listdir(self.current_path):
|
|
if os.path.isdir(os.path.join(self.current_path, content)):
|
|
if self.search == "all" or self.search == "dirs":
|
|
if (not self.show_hidden_files) and (
|
|
content.startswith(".")
|
|
):
|
|
continue
|
|
else:
|
|
dirs.append(content)
|
|
|
|
else:
|
|
if self.search == "all" or self.search == "files":
|
|
if len(self.ext) != 0:
|
|
try:
|
|
files.append(
|
|
os.path.join(self.current_path, content)
|
|
)
|
|
except IndexError:
|
|
pass
|
|
else:
|
|
if (
|
|
not self.show_hidden_files
|
|
and content.startswith(".")
|
|
):
|
|
continue
|
|
else:
|
|
files.append(content)
|
|
|
|
return dirs, files
|
|
|
|
except OSError:
|
|
return None, None
|
|
|
|
def close(self) -> None:
|
|
"""Closes the file manager window."""
|
|
|
|
self.dispatch("on_pre_dismiss")
|
|
self._window_manager.dismiss()
|
|
self.dispatch("on_dismiss")
|
|
self._window_manager_open = False
|
|
|
|
def select_dir_or_file(
|
|
self,
|
|
path: str,
|
|
widget: Union[BodyManagerWithPreview, Factory.BodyManager],
|
|
):
|
|
"""Called by tap on the name of the directory or file."""
|
|
|
|
if os.path.isfile(os.path.join(self.current_path, path)):
|
|
if self.selector == "multi":
|
|
file_path = os.path.join(self.current_path, path)
|
|
if file_path in self.selection:
|
|
widget._selected = False
|
|
self.selection.remove(file_path)
|
|
else:
|
|
widget._selected = True
|
|
self.selection.append(file_path)
|
|
elif self.selector == "folder":
|
|
return
|
|
else:
|
|
self.select_path(os.path.join(self.current_path, path))
|
|
|
|
else:
|
|
self.current_path = path
|
|
self.show(path)
|
|
|
|
def back(self) -> None:
|
|
"""Returning to the branch down in the directory tree."""
|
|
|
|
path, end = os.path.split(self.current_path)
|
|
|
|
if self.current_path and path == self.current_path:
|
|
self.show_disks()
|
|
else:
|
|
if not end:
|
|
self.close()
|
|
self.exit_manager(1)
|
|
else:
|
|
self.show(path)
|
|
|
|
def select_directory_on_press_button(self, *args) -> None:
|
|
"""Called when a click on a floating button."""
|
|
|
|
if self.selector == "multi":
|
|
if len(self.selection) > 0:
|
|
self.select_path(self.selection)
|
|
else:
|
|
if self.selector == "folder" or self.selector == "any":
|
|
self.select_path(self.current_path)
|
|
|
|
def on_icon(self, instance_file_manager, icon_name: str) -> None:
|
|
"""Called when the :attr:`icon` property is changed."""
|
|
|
|
self.icon_selection_button = icon_name
|
|
|
|
def on_background_color_toolbar(
|
|
self, instance_file_manager, color: Union[str, list]
|
|
) -> None:
|
|
"""
|
|
Called when the :attr:`background_color_toolbar` property is changed.
|
|
"""
|
|
|
|
def on_background_color_toolbar(*args):
|
|
self.ids.toolbar.md_bg_color = color
|
|
|
|
Clock.schedule_once(on_background_color_toolbar)
|
|
|
|
def on_pre_open(self, *args):
|
|
"""
|
|
Default pre-open event handler.
|
|
|
|
.. versionadded:: 1.1.0
|
|
"""
|
|
|
|
def on_open(self, *args):
|
|
"""
|
|
Default open event handler.
|
|
|
|
.. versionadded:: 1.1.0
|
|
"""
|
|
|
|
def on_pre_dismiss(self, *args):
|
|
"""
|
|
Default pre-dismiss event handler.
|
|
|
|
.. versionadded:: 1.1.0
|
|
"""
|
|
|
|
def on_dismiss(self, *args):
|
|
"""
|
|
Default dismiss event handler.
|
|
|
|
.. versionadded:: 1.1.0
|
|
"""
|
|
|
|
def _show(self):
|
|
if not self._window_manager:
|
|
self._window_manager = ModalView(
|
|
size_hint=self.size_hint, auto_dismiss=False
|
|
)
|
|
self.size_hint = (1, 1)
|
|
self._window_manager.add_widget(self)
|
|
|
|
if not self._window_manager_open:
|
|
self._window_manager.open()
|
|
self._window_manager_open = True
|
|
|
|
self.dispatch("on_pre_open")
|
|
self.dispatch("on_open")
|
|
|
|
def _create_selection_button(self, *args):
|
|
if (
|
|
self.selector == "any"
|
|
or self.selector == "multi"
|
|
or self.selector == "folder"
|
|
):
|
|
self.selection_button = MDFloatingActionButton(
|
|
on_release=self.select_directory_on_press_button,
|
|
md_bg_color=self.theme_cls.primary_color
|
|
if not self.background_color_selection_button
|
|
else self.background_color_selection_button,
|
|
icon=self.icon_selection_button,
|
|
pos_hint={"right": 0.99},
|
|
y=dp(12),
|
|
elevation=0,
|
|
)
|
|
self.add_widget(self.selection_button)
|
|
|
|
def __sort_files(self, files):
|
|
def sort_by_name(files):
|
|
files.sort(key=locale.strxfrm)
|
|
files.sort(key=str.casefold)
|
|
return files
|
|
|
|
if self.sort_by == "name":
|
|
sorted_files = sort_by_name(files)
|
|
elif self.sort_by == "date":
|
|
_files = sort_by_name(files)
|
|
_sorted_files = [os.path.join(self.current_path, f) for f in _files]
|
|
_sorted_files.sort(key=os.path.getmtime, reverse=True)
|
|
sorted_files = [os.path.basename(f) for f in _sorted_files]
|
|
elif self.sort_by == "size":
|
|
_files = sort_by_name(files)
|
|
_sorted_files = [os.path.join(self.current_path, f) for f in _files]
|
|
_sorted_files.sort(key=os.path.getsize, reverse=True)
|
|
sorted_files = [os.path.basename(f) for f in _sorted_files]
|
|
elif self.sort_by == "type":
|
|
_files = sort_by_name(files)
|
|
sorted_files = sorted(
|
|
_files,
|
|
key=lambda f: (os.path.splitext(f)[1], os.path.splitext(f)[0]),
|
|
)
|
|
else:
|
|
sorted_files = files
|
|
|
|
if self.sort_by_desc:
|
|
sorted_files.reverse()
|
|
|
|
return sorted_files
|