90 lines
3 KiB
Python
90 lines
3 KiB
Python
#! /usr/bin/env python3
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# Libervia CLI frontend
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# Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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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 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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# 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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# 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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"""Standard outputs"""
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from sat_frontends.jp.constants import Const as C
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from libervia.backend.core.i18n import _
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from lxml import etree
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from libervia.backend.core.log import getLogger
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log = getLogger(__name__)
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import sys
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try:
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import pygments
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from pygments.lexers.html import XmlLexer
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from pygments.formatters import TerminalFormatter
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except ImportError:
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pygments = None
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__outputs__ = ["XML"]
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class XML(object):
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"""Outputs for XML"""
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def __init__(self, host):
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self.host = host
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host.register_output(C.OUTPUT_XML, C.OUTPUT_NAME_XML, self.pretty, default=True)
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host.register_output(
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C.OUTPUT_LIST_XML, C.OUTPUT_NAME_XML, self.pretty_list, default=True
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)
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host.register_output(C.OUTPUT_XML, C.OUTPUT_NAME_XML_RAW, self.raw)
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host.register_output(C.OUTPUT_LIST_XML, C.OUTPUT_NAME_XML_RAW, self.list_raw)
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def colorize(self, xml):
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if pygments is None:
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self.host.disp(
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_(
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"Pygments is not available, syntax highlighting is not possible. "
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"Please install if from http://pygments.org or with pip install "
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"pygments"
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),
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error=True,
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)
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return xml
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if not sys.stdout.isatty():
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return xml
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lexer = XmlLexer(encoding="utf-8")
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formatter = TerminalFormatter(bg="dark")
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return pygments.highlight(xml, lexer, formatter)
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def format(self, data, pretty=True):
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parser = etree.XMLParser(remove_blank_text=True)
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tree = etree.fromstring(data, parser)
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xml = etree.tostring(tree, encoding="unicode", pretty_print=pretty)
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return self.colorize(xml)
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def format_no_pretty(self, data):
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return self.format(data, pretty=False)
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def pretty(self, data):
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self.host.disp(self.format(data))
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def pretty_list(self, data, separator="\n"):
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list_pretty = list(map(self.format, data))
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self.host.disp(separator.join(list_pretty))
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def raw(self, data):
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self.host.disp(self.format_no_pretty(data))
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def list_raw(self, data, separator="\n"):
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list_no_pretty = list(map(self.format_no_pretty, data))
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self.host.disp(separator.join(list_no_pretty))
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