mirror of
https://github.com/freedombox/FreedomBox.git
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93 lines
3.0 KiB
Python
93 lines
3.0 KiB
Python
#
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# This file is part of Plinth.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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"""
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Views for disks module.
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"""
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from django.contrib import messages
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from django.shortcuts import redirect
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from django.template.response import TemplateResponse
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from django.urls import reverse
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from django.utils.translation import ugettext as _
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from plinth.modules import disks as disks_module
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def index(request):
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"""Show connection list."""
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disks = disks_module.get_disks()
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root_device = disks_module.get_root_device(disks)
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expandable_root_size = disks_module.is_expandable(root_device)
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expandable_root_size = _format_bytes(expandable_root_size)
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return TemplateResponse(request, 'disks.html',
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{'title': _('Disks'),
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'disks': disks,
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'expandable_root_size': expandable_root_size})
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def expand(request):
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"""Warn and expand the root partition."""
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disks = disks_module.get_disks()
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root_device = disks_module.get_root_device(disks)
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if request.method == 'POST':
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expand_partition(request, root_device)
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return redirect(reverse('disks:index'))
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expandable_root_size = disks_module.is_expandable(root_device)
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expandable_root_size = _format_bytes(expandable_root_size)
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return TemplateResponse(request, 'disks_expand.html',
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{'title': _('Expand Root Partition'),
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'expandable_root_size': expandable_root_size})
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def expand_partition(request, device):
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"""Expand the partition."""
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try:
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disks_module.expand_partition(device)
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except Exception as exception:
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messages.error(request, _('Error expanding partition: {exception}')
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.format(exception=exception))
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else:
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messages.success(request, _('Partition expanded successfully.'))
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def _format_bytes(size):
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"""Return human readable disk size from bytes."""
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if not size:
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return size
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if size < 1024:
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return _('{disk_size} bytes').format(disk_size=size)
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if size < 1024 ** 2:
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size /= 1024
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return _('{disk_size} KiB').format(disk_size=size)
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if size < 1024 ** 3:
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size /= 1024 ** 2
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return _('{disk_size} MiB').format(disk_size=size)
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if size < 1024 ** 4:
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size /= 1024 ** 3
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return _('{disk_size} GiB').format(disk_size=size)
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size /= 1024 ** 4
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return _('{disk_size} TiB').format(disk_size=size)
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