class FileSystemPane(QFrame):
"""
Contains two QListWidgets representing the micro:bit and the user's code
directory. Users transfer files by dragging and dropping. Highlighted files
can be selected for deletion.
"""
set_message = pyqtSignal(str)
set_warning = pyqtSignal(str)
list_files = pyqtSignal()
def __init__(self, home):
super().__init__()
self.home = home
self.font = Font().load()
microbit_fs = MicrobitFileList(home)
local_fs = LocalFileList(home)
layout = QGridLayout()
self.setLayout(layout)
microbit_label = QLabel()
microbit_label.setText(_('Files on your micro:bit:'))
local_label = QLabel()
local_label.setText(_('Files on your computer:'))
self.microbit_label = microbit_label
self.local_label = local_label
self.microbit_fs = microbit_fs
self.local_fs = local_fs
self.set_font_size()
layout.addWidget(microbit_label, 0, 0)
layout.addWidget(local_label, 0, 1)
layout.addWidget(microbit_fs, 1, 0)
layout.addWidget(local_fs, 1, 1)
self.microbit_fs.disable.connect(self.disable)
self.microbit_fs.set_message.connect(self.show_message)
self.local_fs.disable.connect(self.disable)
self.local_fs.set_message.connect(self.show_message)
def disable(self):
"""
Stops interaction with the list widgets.
"""
self.microbit_fs.setDisabled(True)
self.local_fs.setDisabled(True)
self.microbit_fs.setAcceptDrops(False)
self.local_fs.setAcceptDrops(False)
def enable(self):
"""
Allows interaction with the list widgets.
"""
self.microbit_fs.setDisabled(False)
self.local_fs.setDisabled(False)
self.microbit_fs.setAcceptDrops(True)
self.local_fs.setAcceptDrops(True)
def show_message(self, message):
"""
Emits the set_message signal.
"""
self.set_message.emit(message)
def show_warning(self, message):
"""
Emits the set_warning signal.
"""
self.set_warning.emit(message)
def on_ls(self, microbit_files):
"""
Displays a list of the files on the micro:bit.
Since listing files is always the final event in any interaction
between Mu and the micro:bit, this enables the controls again for
further interactions to take place.
"""
self.microbit_fs.clear()
self.local_fs.clear()
for f in microbit_files:
self.microbit_fs.addItem(f)
local_files = [
f for f in os.listdir(self.home)
if os.path.isfile(os.path.join(self.home, f))
]
local_files.sort()
for f in local_files:
self.local_fs.addItem(f)
self.enable()
def on_ls_fail(self):
"""
Fired when listing files fails.
"""
self.show_warning(
_("There was a problem getting the list of files on "
"the micro:bit. Please check Mu's logs for "
"technical information. Alternatively, try "
"unplugging/plugging-in your micro:bit and/or "
"restarting Mu."))
self.disable()
def on_put_fail(self, filename):
"""
Fired when the referenced file cannot be copied onto the micro:bit.
"""
self.show_warning(
_("There was a problem copying the file '{}' onto "
"the micro:bit. Please check Mu's logs for "
"more information.").format(filename))
def on_delete_fail(self, filename):
"""
Fired when a deletion on the micro:bit for the given file failed.
"""
self.show_warning(
_("There was a problem deleting '{}' from the "
"micro:bit. Please check Mu's logs for "
"more information.").format(filename))
def on_get_fail(self, filename):
"""
Fired when getting the referenced file on the micro:bit failed.
"""
self.show_warning(
_("There was a problem getting '{}' from the "
"micro:bit. Please check Mu's logs for "
"more information.").format(filename))
def set_theme(self, theme):
"""
Sets the theme / look for the FileSystemPane.
"""
if theme == 'day':
self.setStyleSheet(DAY_STYLE)
elif theme == 'night':
self.setStyleSheet(NIGHT_STYLE)
else:
self.setStyleSheet(CONTRAST_STYLE)
def set_font_size(self, new_size=DEFAULT_FONT_SIZE):
"""
Sets the font size for all the textual elements in this pane.
"""
self.font.setPointSize(new_size)
self.microbit_label.setFont(self.font)
self.local_label.setFont(self.font)
self.microbit_fs.setFont(self.font)
self.local_fs.setFont(self.font)
def zoomIn(self, delta=2):
"""
Zoom in (increase) the size of the font by delta amount difference in
point size upto 34 points.
"""
old_size = self.font.pointSize()
new_size = min(old_size + delta, 34)
self.set_font_size(new_size)
def zoomOut(self, delta=2):
"""
Zoom out (decrease) the size of the font by delta amount difference in
point size down to 4 points.
"""
old_size = self.font.pointSize()
new_size = max(old_size - delta, 4)
self.set_font_size(new_size)
class FileSystemPane(QFrame):
"""
Contains two QListWidgets representing the micro:bit and the user's code
directory. Users transfer files by dragging and dropping. Highlighted files
can be selected for deletion.
"""
set_message = pyqtSignal(str)
set_warning = pyqtSignal(str)
list_files = pyqtSignal()
open_file = pyqtSignal(str)
def __init__(self, home):
import ctypes
from subprocess import check_output
def find_device():
"""
Returns a path on the filesystem that represents the plugged in BBC
micro:bit that is to be flashed. If no micro:bit is found, it returns
None.
Works on Linux, OSX and Windows. Will raise a NotImplementedError
exception if run on any other operating system.
"""
# Check what sort of operating system we're on.
if os.name == 'posix':
# 'posix' means we're on Linux or OSX (Mac).
# Call the unix "mount" command to list the mounted volumes.
mount_output = check_output('mount').splitlines()
mounted_volumes = [x.split()[2] for x in mount_output]
for volume in mounted_volumes:
if volume.endswith(b'MINI') or volume.endswith(
b'MICROBIT'):
return volume.decode(
'utf-8') # Return a string not bytes.
elif os.name == 'nt':
# 'nt' means we're on Windows.
def get_volume_name(disk_name):
"""
Each disk or external device connected to windows has an attribute
called "volume name". This function returns the volume name for
the given disk/device.
Code from http://stackoverflow.com/a/12056414
"""
vol_name_buf = ctypes.create_unicode_buffer(1024)
ctypes.windll.kernel32.GetVolumeInformationW(
ctypes.c_wchar_p(disk_name), vol_name_buf,
ctypes.sizeof(vol_name_buf), None, None, None, None, 0)
return vol_name_buf.value
#
# In certain circumstances, volumes are allocated to USB
# storage devices which cause a Windows popup to raise if their
# volume contains no media. Wrapping the check in SetErrorMode
# with SEM_FAILCRITICALERRORS (1) prevents this popup.
#
old_mode = ctypes.windll.kernel32.SetErrorMode(1)
try:
for disk in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ':
path = '{}:\\'.format(disk)
#
# Don't bother looking if the drive isn't removable
#
if ctypes.windll.kernel32.GetDriveTypeW(path) != 2:
continue
if os.path.exists(path) and \
get_volume_name(path) == 'MINI' or get_volume_name(path) == 'MICROBIT':
return get_volume_name(path)
finally:
ctypes.windll.kernel32.SetErrorMode(old_mode)
else:
# No support for unknown operating systems.
#raise NotImplementedError('OS "{}" not supported.'.format(os.name))
return None
super().__init__()
self.home = home
self.font = Font().load()
microbit_fs = MicrobitFileList(home)
local_fs = LocalFileList(home)
self.device_displayName = "micro:bit"
if find_device().lower().find("mini") > -1:
microbit_fs = CalliopeMiniFileList(home)
self.device_displayName = "Calliope mini"
@local_fs.open_file.connect
def on_open_file(file):
# Bubble the signal up
self.open_file.emit(file)
layout = QGridLayout()
self.setLayout(layout)
microbit_label = QLabel()
microbit_label.setText(
_('Files on your {}:'.format(self.device_displayName)))
local_label = QLabel()
local_label.setText(_('Files on your computer:'))
self.microbit_label = microbit_label
self.local_label = local_label
self.microbit_fs = microbit_fs
self.local_fs = local_fs
self.set_font_size()
layout.addWidget(microbit_label, 0, 0)
layout.addWidget(local_label, 0, 1)
layout.addWidget(microbit_fs, 1, 0)
layout.addWidget(local_fs, 1, 1)
self.microbit_fs.disable.connect(self.disable)
self.microbit_fs.set_message.connect(self.show_message)
self.local_fs.disable.connect(self.disable)
self.local_fs.set_message.connect(self.show_message)
def disable(self):
"""
Stops interaction with the list widgets.
"""
self.microbit_fs.setDisabled(True)
self.local_fs.setDisabled(True)
self.microbit_fs.setAcceptDrops(False)
self.local_fs.setAcceptDrops(False)
def enable(self):
"""
Allows interaction with the list widgets.
"""
self.microbit_fs.setDisabled(False)
self.local_fs.setDisabled(False)
self.microbit_fs.setAcceptDrops(True)
self.local_fs.setAcceptDrops(True)
def show_message(self, message):
"""
Emits the set_message signal.
"""
self.set_message.emit(message)
def show_warning(self, message):
"""
Emits the set_warning signal.
"""
self.set_warning.emit(message)
def on_ls(self, microbit_files):
"""
Displays a list of the files on the micro:bit.
Since listing files is always the final event in any interaction
between Mu and the micro:bit, this enables the controls again for
further interactions to take place.
"""
self.microbit_fs.clear()
self.local_fs.clear()
for f in microbit_files:
self.microbit_fs.addItem(f)
local_files = [
f for f in os.listdir(self.home)
if os.path.isfile(os.path.join(self.home, f))
]
local_files.sort()
for f in local_files:
self.local_fs.addItem(f)
self.enable()
def on_ls_fail(self):
"""
Fired when listing files fails.
"""
self.show_warning(
_("There was a problem getting the list of files on "
"the micro:bit. Please check Mu's logs for "
"technical information. Alternatively, try "
"unplugging/plugging-in your micro:bit and/or "
"restarting Mu."))
self.disable()
def on_put_fail(self, filename):
"""
Fired when the referenced file cannot be copied onto the micro:bit.
"""
self.show_warning(
_("There was a problem copying the file '{}' onto "
"the micro:bit. Please check Mu's logs for "
"more information.").format(filename))
def on_delete_fail(self, filename):
"""
Fired when a deletion on the micro:bit for the given file failed.
"""
self.show_warning(
_("There was a problem deleting '{}' from the "
"micro:bit. Please check Mu's logs for "
"more information.").format(filename))
def on_get_fail(self, filename):
"""
Fired when getting the referenced file on the micro:bit failed.
"""
self.show_warning(
_("There was a problem getting '{}' from the "
"micro:bit. Please check Mu's logs for "
"more information.").format(filename))
def set_theme(self, theme):
pass
def set_font_size(self, new_size=DEFAULT_FONT_SIZE):
"""
Sets the font size for all the textual elements in this pane.
"""
self.font.setPointSize(new_size)
self.microbit_label.setFont(self.font)
self.local_label.setFont(self.font)
self.microbit_fs.setFont(self.font)
self.local_fs.setFont(self.font)
def zoomIn(self, delta=2):
"""
Zoom in (increase) the size of the font by delta amount difference in
point size upto 34 points.
"""
old_size = self.font.pointSize()
new_size = min(old_size + delta, 34)
self.set_font_size(new_size)
def zoomOut(self, delta=2):
"""
Zoom out (decrease) the size of the font by delta amount difference in
point size down to 4 points.
"""
old_size = self.font.pointSize()
new_size = max(old_size - delta, 4)
self.set_font_size(new_size)
class FileSystemPane(QFrame):
"""
Contains two QListWidgets representing the micro:bit and the user's code
directory. Users transfer files by dragging and dropping. Highlighted files
can be selected for deletion.
"""
def __init__(self, home):
super().__init__()
self.home = home
self.font = Font().load()
microbit_fs = MicrobitFileList(home)
local_fs = LocalFileList(home)
layout = QGridLayout()
self.setLayout(layout)
microbit_label = QLabel()
microbit_label.setText(_('Files on your micro:bit:'))
local_label = QLabel()
local_label.setText(_('Files on your computer:'))
self.microbit_label = microbit_label
self.local_label = local_label
self.microbit_fs = microbit_fs
self.local_fs = local_fs
self.set_font_size()
layout.addWidget(microbit_label, 0, 0)
layout.addWidget(local_label, 0, 1)
layout.addWidget(microbit_fs, 1, 0)
layout.addWidget(local_fs, 1, 1)
self.ls()
def ls(self):
"""
Gets a list of the files on the micro:bit.
Naive implementation for simplicity's sake.
"""
self.microbit_fs.clear()
self.local_fs.clear()
microbit_files = microfs.ls(microfs.get_serial())
for f in microbit_files:
self.microbit_fs.addItem(f)
local_files = [
f for f in os.listdir(self.home)
if os.path.isfile(os.path.join(self.home, f))
]
local_files.sort()
for f in local_files:
self.local_fs.addItem(f)
def set_theme(self, theme):
"""
Sets the theme / look for the FileSystemPane.
"""
if theme == 'day':
self.setStyleSheet(DAY_STYLE)
elif theme == 'night':
self.setStyleSheet(NIGHT_STYLE)
else:
self.setStyleSheet(CONTRAST_STYLE)
def set_font_size(self, new_size=DEFAULT_FONT_SIZE):
"""
Sets the font size for all the textual elements in this pane.
"""
self.font.setPointSize(new_size)
self.microbit_label.setFont(self.font)
self.local_label.setFont(self.font)
self.microbit_fs.setFont(self.font)
self.local_fs.setFont(self.font)
def zoomIn(self, delta=2):
"""
Zoom in (increase) the size of the font by delta amount difference in
point size upto 34 points.
"""
old_size = self.font.pointSize()
new_size = min(old_size + delta, 34)
self.set_font_size(new_size)
def zoomOut(self, delta=2):
"""
Zoom out (decrease) the size of the font by delta amount difference in
point size down to 4 points.
"""
old_size = self.font.pointSize()
new_size = max(old_size - delta, 4)
self.set_font_size(new_size)
class FileSystemPane(QFrame):
"""
Contains two QListWidgets representing the micro:bit and the user's code
directory. Users transfer files by dragging and dropping. Highlighted files
can be selected for deletion.
"""
set_message = pyqtSignal(str)
set_warning = pyqtSignal(str)
list_files = pyqtSignal()
open_file = pyqtSignal(str)
def __init__(self, home):
super().__init__()
self.home = home
self.font = Font().load()
microbit_fs = MicrobitFileList(home)
local_fs = LocalFileList(home)
@local_fs.open_file.connect
def on_open_file(file):
# Bubble the signal up
self.open_file.emit(file)
layout = QGridLayout()
self.setLayout(layout)
microbit_label = QLabel()
microbit_label.setText(_('Files on your micro:bit:'))
local_label = QLabel()
local_label.setText(_('Files on your computer:'))
self.microbit_label = microbit_label
self.local_label = local_label
self.microbit_fs = microbit_fs
self.local_fs = local_fs
self.set_font_size()
layout.addWidget(microbit_label, 0, 0)
layout.addWidget(local_label, 0, 1)
layout.addWidget(microbit_fs, 1, 0)
layout.addWidget(local_fs, 1, 1)
self.microbit_fs.disable.connect(self.disable)
self.microbit_fs.set_message.connect(self.show_message)
self.local_fs.disable.connect(self.disable)
self.local_fs.set_message.connect(self.show_message)
def disable(self):
"""
Stops interaction with the list widgets.
"""
self.microbit_fs.setDisabled(True)
self.local_fs.setDisabled(True)
self.microbit_fs.setAcceptDrops(False)
self.local_fs.setAcceptDrops(False)
def enable(self):
"""
Allows interaction with the list widgets.
"""
self.microbit_fs.setDisabled(False)
self.local_fs.setDisabled(False)
self.microbit_fs.setAcceptDrops(True)
self.local_fs.setAcceptDrops(True)
def show_message(self, message):
"""
Emits the set_message signal.
"""
self.set_message.emit(message)
def show_warning(self, message):
"""
Emits the set_warning signal.
"""
self.set_warning.emit(message)
def on_ls(self, microbit_files):
"""
Displays a list of the files on the micro:bit.
Since listing files is always the final event in any interaction
between Mu and the micro:bit, this enables the controls again for
further interactions to take place.
"""
self.microbit_fs.clear()
self.local_fs.clear()
for f in microbit_files:
self.microbit_fs.addItem(f)
local_files = [f for f in os.listdir(self.home)
if os.path.isfile(os.path.join(self.home, f))]
local_files.sort()
for f in local_files:
self.local_fs.addItem(f)
self.enable()
def on_ls_fail(self):
"""
Fired when listing files fails.
"""
self.show_warning(_("There was a problem getting the list of files on "
"the micro:bit. Please check Mu's logs for "
"technical information. Alternatively, try "
"unplugging/plugging-in your micro:bit and/or "
"restarting Mu."))
self.disable()
def on_put_fail(self, filename):
"""
Fired when the referenced file cannot be copied onto the micro:bit.
"""
self.show_warning(_("There was a problem copying the file '{}' onto "
"the micro:bit. Please check Mu's logs for "
"more information.").format(filename))
def on_delete_fail(self, filename):
"""
Fired when a deletion on the micro:bit for the given file failed.
"""
self.show_warning(_("There was a problem deleting '{}' from the "
"micro:bit. Please check Mu's logs for "
"more information.").format(filename))
def on_get_fail(self, filename):
"""
Fired when getting the referenced file on the micro:bit failed.
"""
self.show_warning(_("There was a problem getting '{}' from the "
"micro:bit. Please check Mu's logs for "
"more information.").format(filename))
def set_theme(self, theme):
pass
def set_font_size(self, new_size=DEFAULT_FONT_SIZE):
"""
Sets the font size for all the textual elements in this pane.
"""
self.font.setPointSize(new_size)
self.microbit_label.setFont(self.font)
self.local_label.setFont(self.font)
self.microbit_fs.setFont(self.font)
self.local_fs.setFont(self.font)
def zoomIn(self, delta=2):
"""
Zoom in (increase) the size of the font by delta amount difference in
point size upto 34 points.
"""
old_size = self.font.pointSize()
new_size = min(old_size + delta, 34)
self.set_font_size(new_size)
def zoomOut(self, delta=2):
"""
Zoom out (decrease) the size of the font by delta amount difference in
point size down to 4 points.
"""
old_size = self.font.pointSize()
new_size = max(old_size - delta, 4)
self.set_font_size(new_size)