Mercurial > libervia-backend

annotate sat_frontends/jp/output_xml.py @ 3513:753d151da886

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XEP-0277: new preview/mbPreview method: This method does more or less the same thing as sending, but without actually sending the item, and parse the generated element just after. This way, the triggers are run, and a preview of the item can be made for the resulting microblog data.
author Goffi <goffi@goffi.org>
date Thu, 29 Apr 2021 15:49:59 +0200
parents be6d91572633
children f4c02bdb2d91
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #! /usr/bin/env python3
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2
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3
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4 # jp: a SàT command line tool
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5 # Copyright (C) 2009-2021 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
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27 log = getLogger(__name__)
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28 import sys
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29
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30 try:
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31 import pygments
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32 from pygments.lexers.html import XmlLexer
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33 from pygments.formatters import TerminalFormatter
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34 except ImportError:
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35 pygments = None
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36
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38 __outputs__ = ["XML"]
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39 RAW = "xml_raw"
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40 PRETTY = "xml_pretty"
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43 class XML(object):
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44 """Outputs for XML"""
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45
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46 def __init__(self, host):
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47 self.host = host
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48 host.register_output(C.OUTPUT_XML, PRETTY, self.pretty, default=True)
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49 host.register_output(C.OUTPUT_LIST_XML, PRETTY, self.pretty_list, default=True)
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50 host.register_output(C.OUTPUT_XML, RAW, self.raw)
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51 host.register_output(C.OUTPUT_LIST_XML, RAW, self.list_raw)
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52
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53 def colorize(self, xml):
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54 if pygments is None:
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55 self.host.disp(
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56 _(
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57 "Pygments is not available, syntax highlighting is not possible. Please install if from http://pygments.org or with pip install pygments"
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58 ),
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59 error=True,
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60 )
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61 return xml
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62 if not sys.stdout.isatty():
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63 return xml
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64 lexer = XmlLexer(encoding="utf-8")
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65 formatter = TerminalFormatter(bg="dark")
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66 return pygments.highlight(xml, lexer, formatter)
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67
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68 def format(self, data, pretty=True):
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69 parser = etree.XMLParser(remove_blank_text=True)
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70 tree = etree.fromstring(data, parser)
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71 xml = etree.tostring(tree, encoding="unicode", pretty_print=pretty)
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72 return self.colorize(xml)
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73
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74 def format_no_pretty(self, data):
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75 return self.format(data, pretty=False)
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77 def pretty(self, data):
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78 self.host.disp(self.format(data))
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79
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80 def pretty_list(self, data, separator="\n"):
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81 list_pretty = list(map(self.format, data))
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82 self.host.disp(separator.join(list_pretty))
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83
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84 def raw(self, data):
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85 self.host.disp(self.format_no_pretty(data))
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86
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87 def list_raw(self, data, separator="\n"):
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88 list_no_pretty = list(map(self.format_no_pretty, data))
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89 self.host.disp(separator.join(list_no_pretty))