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annotate frontends/src/jp/output_xml.py @ 2213:1010054cf771

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jp (base): added msg and exit_code argument to errback so it's more generic
author Goffi <goffi@goffi.org>
date Wed, 29 Mar 2017 19:42:44 +0200
parents 577e19724744
children 8b37a62336c3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2190
d823a0cdbcc2 jp (outputs): new xml and list_xml outputs, handling pretty formatting and syntax highlighting
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1 #! /usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # jp: a SàT command line tool
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5 # Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 """Standard outputs"""
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20
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21
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22 from sat_frontends.jp.constants import Const as C
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23 from sat.core.i18n import _
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24 from lxml import etree
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25 from sat.core.log import getLogger
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26 log = getLogger(__name__)
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27 import sys
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28 try:
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29 import pygments
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30 from pygments.lexers.html import XmlLexer
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31 from pygments.formatters import TerminalFormatter
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32 except ImportError:
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33 pygments = None
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34
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35
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36 __outputs__ = ["XML"]
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37 RAW = u'xml_raw'
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38 PRETTY = u'xml_pretty'
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40
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41 class XML(object):
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42 """Default outputs"""
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43
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44 def __init__(self, host):
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45 self.host = host
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46 host.register_output(C.OUTPUT_XML, PRETTY, self.pretty, default=True)
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47 host.register_output(C.OUTPUT_LIST_XML, PRETTY, self.pretty_list, default=True)
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48 host.register_output(C.OUTPUT_XML, RAW, self.raw)
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49 host.register_output(C.OUTPUT_LIST_XML, RAW, self.list_raw)
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50
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51 def colorize(self, xml):
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52 if pygments is None:
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53 self.host.disp(_(u'Pygments is not available, syntax highlighting is not possible. Please install if from http://pygments.org or with pip install pygments'), error=True)
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54 return xml
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55 if not sys.stdout.isatty():
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56 return xml
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57 lexer = XmlLexer(encoding='utf-8')
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58 formatter = TerminalFormatter(bg=u'dark')
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59 return pygments.highlight(xml, lexer, formatter)
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60
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61 def format(self, data, pretty=True):
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62 parser = etree.XMLParser(remove_blank_text=True)
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63 tree = etree.fromstring(data, parser)
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64 xml = etree.tostring(tree, encoding='unicode', pretty_print=pretty)
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65 return self.colorize(xml)
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66
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67 def format_no_pretty(self, data):
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68 return self.format(data, pretty=False)
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69
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70 def pretty(self, data):
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71 self.host.disp(self.format(data))
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72
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73 def pretty_list(self, data, separator=u'\n'):
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74 list_pretty = map(self.format, data)
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75 self.host.disp(separator.join(list_pretty))
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76
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77 def raw(self, data):
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78 self.host.disp(self.format_no_pretty(data))
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79
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80 def list_raw(self, data, separator=u'\n'):
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81 list_no_pretty = map(self.format_no_pretty, data)
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82 self.host.disp(separator.join(list_no_pretty))