mirror of
https://github.com/freedombox/FreedomBox.git
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ee80d77be5
Signed-off-by: Manish Tripathy <manisht@thougtworks.com> Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org> Reviewed-by: Sunil Mohan Adapa <sunil@medhas.org>
128 lines
4.1 KiB
Python
128 lines
4.1 KiB
Python
#
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# This file is part of FreedomBox.
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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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Help app for FreedomBox.
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"""
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import mimetypes
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import os
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from apt.cache import Cache
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from django.core.files.base import File
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from django.http import Http404, HttpResponse
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from django.template.response import TemplateResponse
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from django.utils.translation import ugettext as _
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from django.utils.translation import ugettext_lazy
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from plinth import __version__, cfg
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from plinth.menu import main_menu
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def init():
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"""Initialize the Help module"""
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menu = main_menu.add_urlname(
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ugettext_lazy('Documentation'), 'glyphicon-book', 'help:index')
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menu.add_urlname(
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ugettext_lazy('Manual'), 'glyphicon-info-sign', 'help:manual',
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order=10)
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menu.add_urlname(
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ugettext_lazy('Download Manual'), 'glyphicon-download-alt',
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'help:download-manual', order=15)
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menu.add_urlname(
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ugettext_lazy('About'), 'glyphicon-star', 'help:about', order=100)
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def index(request):
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"""Serve the index page"""
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return TemplateResponse(request, 'help_index.html', {
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'title': _('Documentation and FAQ')
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})
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def about(request):
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"""Serve the about page"""
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cache = Cache()
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plinth = cache['plinth']
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context = {
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'title': _('About {box_name}').format(box_name=_(cfg.box_name)),
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'version': __version__,
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'new_version': not plinth.candidate.is_installed,
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'os_release': get_os_release()
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}
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return TemplateResponse(request, 'help_about.html', context)
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def manual(request, page='freedombox-manual.part.html'):
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"""Serve the manual page from the 'doc' directory"""
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try:
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page = '{}.part.html'.format(
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page) if not page.endswith('html') else page
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with open(os.path.join(cfg.doc_dir, page), 'r',
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encoding='utf-8') as input_file:
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content = input_file.read()
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except IOError:
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raise Http404
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return TemplateResponse(
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request, 'help_manual.html', {
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'title': _('{box_name} Manual').format(box_name=_(cfg.box_name)),
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'content': content
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})
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def download_manual(request):
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"""Serve the PDF version of the manual from the 'doc' directory"""
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files = [
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os.path.join(cfg.doc_dir, file_name)
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for file_name in ['freedombox-manual.pdf.gz', 'freedombox-manual.pdf']
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if os.path.isfile(os.path.join(cfg.doc_dir, file_name))
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]
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if not files:
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raise Http404
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(content_type, encoding) = mimetypes.guess_type(files[0])
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with open(files[0], 'rb') as file_handle:
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response = HttpResponse(File(file_handle), content_type=content_type)
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if encoding:
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response['Content-Encoding'] = encoding
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return response
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def status_log(request):
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"""Serve the last 100 lines of plinth's status log"""
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num_lines = 100
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with open(cfg.status_log_file, 'r') as log_file:
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data = log_file.readlines()
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data = ''.join(data[-num_lines:])
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context = {'num_lines': num_lines, 'data': data}
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return TemplateResponse(request, 'statuslog.html', context)
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def get_os_release():
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"""Returns the Debian release number and name"""
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output = 'Error: Cannot read PRETTY_NAME in /etc/os-release.'
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with open('/etc/os-release', 'r') as release_file:
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for line in release_file:
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if 'PRETTY_NAME=' in line:
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line = line.replace('"', '').strip()
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line = line.split('=')
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output = line[1]
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return output
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