2014-02-07 11:01:58 +01:00
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# Copyright 2014 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
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#
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# This file is part of qutebrowser.
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#
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# qutebrowser is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# qutebrowser 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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with qutebrowser. If not, see <http://www.gnu.org/licenses/>.
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2014-04-17 17:44:27 +02:00
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"""Handler functions for different qute:... pages.
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Module attributes:
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_HTML_TEMPLATE: The HTML boilerplate used to convert text into html.
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pyeval_output: The output of the last :pyeval command.
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"""
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2014-02-17 12:23:52 +01:00
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2014-02-21 07:35:53 +01:00
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import logging
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2014-04-22 15:28:48 +02:00
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import cgi
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2014-02-21 07:35:53 +01:00
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2014-02-20 23:08:27 +01:00
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from qutebrowser.network.schemehandler import (SchemeHandler,
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SpecialNetworkReply)
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2014-02-10 15:01:05 +01:00
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from qutebrowser.utils.version import version
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2014-02-21 07:18:04 +01:00
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from qutebrowser.utils.url import urlstring
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2014-02-07 11:01:58 +01:00
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2014-02-19 11:04:13 +01:00
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_HTML_TEMPLATE = """
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2014-02-07 11:01:58 +01:00
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>{title}</title>
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</head>
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<body>
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{body}
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</body>
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</html>
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"""
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pyeval_output = None
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def _get_html(title, snippet):
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"""Add HTML boilerplate to a html snippet.
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2014-02-19 10:58:32 +01:00
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Args:
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title: The title the page should have.
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snippet: The html snippet.
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Return:
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HTML content as bytes.
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2014-02-07 11:01:58 +01:00
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"""
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2014-02-19 11:04:13 +01:00
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return _HTML_TEMPLATE.format(title=title, body=snippet).encode('UTF-8')
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2014-02-07 11:01:58 +01:00
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2014-02-21 07:18:04 +01:00
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class QuteSchemeHandler(SchemeHandler):
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2014-02-20 23:08:27 +01:00
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2014-02-21 07:18:04 +01:00
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"""Scheme handler for qute: URLs."""
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2014-02-20 23:08:27 +01:00
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2014-02-21 19:51:04 +01:00
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def _transform_url(self, url):
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"""Transform a special URL to an QuteHandlers method name.
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Args:
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url: The URL as string.
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Return:
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The method name qute_*
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"""
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return url.replace('http://', '').replace('qute:', 'qute_')
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2014-04-16 11:05:58 +02:00
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def createRequest(self, op, request, outgoing_data):
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2014-02-20 23:08:27 +01:00
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"""Create a new request.
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Args:
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op: Operation op
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2014-02-21 07:34:49 +01:00
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request: const QNetworkRequest & req
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2014-02-20 23:08:27 +01:00
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outgoing_data: QIODevice * outgoingData
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Return:
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A QNetworkReply.
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"""
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2014-04-16 11:05:58 +02:00
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# pylint: disable=unused-argument
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2014-02-21 07:35:53 +01:00
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logging.debug('request: {}'.format(request))
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2014-02-21 19:51:04 +01:00
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url = urlstring(request.url())
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2014-04-22 15:46:46 +02:00
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try:
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handler = getattr(QuteHandlers, self._transform_url(url))
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except AttributeError:
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data = bytes()
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else:
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data = handler()
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2014-02-20 23:08:27 +01:00
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return SpecialNetworkReply(request, data, "text/html", self.parent())
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2014-02-21 07:18:04 +01:00
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class QuteHandlers:
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2014-02-07 20:21:50 +01:00
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2014-02-21 07:18:04 +01:00
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"""Handlers for qute:... pages."""
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2014-02-07 11:01:58 +01:00
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@classmethod
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2014-02-21 07:18:04 +01:00
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def qute_pyeval(cls):
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"""Handler for qute:pyeval. Return HTML content as bytes."""
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2014-04-22 15:28:48 +02:00
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text = cgi.escape(pyeval_output)
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return _get_html('pyeval', '<pre>{}</pre>'.format(text))
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2014-02-07 11:01:58 +01:00
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@classmethod
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2014-02-21 07:18:04 +01:00
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def qute_version(cls):
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"""Handler for qute:version. Return HTML content as bytes."""
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2014-04-22 15:28:48 +02:00
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text = cgi.escape(version())
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return _get_html('Version', '<pre>{}</pre>'.format(text))
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