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annotate roundup/dehtml.py @ 7340:7b9bddda9d2d

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Add support for demo mode in docker. roundup/demo.py Make changes to allow exposed port in docker to be specified separately from the port that demo mode binds to. Also permit bind address specification as well. roundup/scripts/roundup_demo.py: Update required by changes in demo.py. Also move away from positional arguments to prefer flag arguments. Required for passing port and host specification. Flake8 fixes. share/man/man1/roundup-demo.1 Document use of option flags rather than positional params. Other cleanups. doc/installation.txt: Document new docker modes: demo, shell and admin. Update docs: overview section - reorg, added template info for the impatient section - added docker demo mode reference, more docs on top level demo.py use. new section on docker demo mode removed getting roundup section. folded into installing roundup. also prior for the impatient section describes how to download. install via pip in venv recommended supported method document all provided templates. not just minimal and classic. added index references. move sections around, decreased sectin depth, reformatting scripts/Docker/roundup_healthcheck: When running roundup-demo, there is no tracker spec. So default to demo if no tracker=directory args found. Prevent's docker from reporting an unhealthy container when running demo. scripts/Docker/roundup_start: implement demo, shell, admin docker modes.
author John Rouillard <rouilj@ieee.org>
date Sun, 14 May 2023 09:43:53 -0400
parents 07ce4e4110f5
children 6079440ac023
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1
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2 from __future__ import print_function
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3 from roundup.anypy.strings import u2s, uchr
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5 import sys
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6 _pyver = sys.version_info[0]
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7
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8
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9 class dehtml:
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10 def __init__(self, converter):
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11 if converter == "none":
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12 self.html2text = None
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13 return
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15 try:
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16 if converter == "beautifulsoup":
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17 # Not as well tested as dehtml.
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18 from bs4 import BeautifulSoup
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19
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20 def html2text(html):
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21 soup = BeautifulSoup(html, "html.parser")
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23 # kill all script and style elements
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24 for script in soup(["script", "style"]):
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25 script.extract()
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27 return u2s(soup.get_text('\n', strip=True))
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29 self.html2text = html2text
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30 else:
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31 raise ImportError
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32 except ImportError:
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33 # use the fallback below if beautiful soup is not installed.
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34 try:
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35 # Python 3+.
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36 from html.parser import HTMLParser
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37 from html.entities import name2codepoint
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38 except ImportError:
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39 # Python 2.
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40 from HTMLParser import HTMLParser
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41 from htmlentitydefs import name2codepoint
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43 class DumbHTMLParser(HTMLParser):
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44 # class attribute
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45 text = ""
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46
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47 # internal state variable
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48 _skip_data = False
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49 _last_empty = False
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50
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51 def handle_data(self, data):
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52 if self._skip_data: # skip data in script or style block
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53 return
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55 if (data.strip() == ""):
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56 # reduce multiple blank lines to 1
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57 if (self._last_empty):
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58 return
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59 else:
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60 self._last_empty = True
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61 else:
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62 self._last_empty = False
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63
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64 self.text = self.text + data
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65
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66 def handle_starttag(self, tag, attrs):
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67 if (tag == "p"):
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68 self.text = self.text + "\n"
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69 if (tag in ("style", "script")):
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70 self._skip_data = True
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71
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72 def handle_endtag(self, tag):
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73 if (tag in ("style", "script")):
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74 self._skip_data = False
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75
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76 def handle_entityref(self, name):
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77 if self._skip_data:
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78 return
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79 c = uchr(name2codepoint[name])
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80 try:
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81 self.text = self.text + c
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82 except UnicodeEncodeError:
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83 # print a space as a placeholder
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84 self.text = self.text + ' '
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85
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86 def html2text(html):
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87 if _pyver == 3:
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88 parser = DumbHTMLParser(convert_charrefs=True)
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89 else:
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90 parser = DumbHTMLParser()
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91 parser.feed(html)
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92 parser.close()
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93 return parser.text
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94
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95 self.html2text = html2text
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96
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97
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98 if "__main__" == __name__:
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99 html = '''
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100 <body>
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101 <script>
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102 this must not be in output
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103 </script>
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104 <style>
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105 p {display:block}
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106 </style>
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107 <div class="header"><h1>Roundup</h1>
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108 <div id="searchbox" style="display: none">
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109 <form class="search" action="../search.html" method="get">
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110 <input type="text" name="q" size="18" />
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111 <input type="submit" value="Search" />
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112 <input type="hidden" name="check_keywords" value="yes" />
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113 <input type="hidden" name="area" value="default" />
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114 </form>
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115 </div>
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116 <script type="text/javascript">$('#searchbox').show(0);</script>
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117 </div>
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118 <ul class="current">
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119 <li class="toctree-l1"><a class="reference internal" href="../index.html">Home</a></li>
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120 <li class="toctree-l1"><a class="reference external" href="http://pypi.python.org/pypi/roundup">Download</a></li>
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121 <li class="toctree-l1 current"><a class="reference internal" href="../docs.html">Docs</a><ul class="current">
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122 <li class="toctree-l2"><a class="reference internal" href="features.html">Roundup Features</a></li>
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123 <li class="toctree-l2 current"><a class="current reference internal" href="">Installing Roundup</a></li>
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124 <li class="toctree-l2"><a class="reference internal" href="upgrading.html">Upgrading to newer versions of Roundup</a></li>
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125 <li class="toctree-l2"><a class="reference internal" href="FAQ.html">Roundup FAQ</a></li>
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126 <li class="toctree-l2"><a class="reference internal" href="user_guide.html">User Guide</a></li>
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127 <li class="toctree-l2"><a class="reference internal" href="customizing.html">Customising Roundup</a></li>
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128 <li class="toctree-l2"><a class="reference internal" href="admin_guide.html">Administration Guide</a></li>
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129 </ul>
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130 <div class="section" id="prerequisites">
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131 <h2><a class="toc-backref" href="#id5">Prerequisites</a></h2>
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132 <p>Roundup requires Python 2.5 or newer (but not Python 3) with a functioning
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133 anydbm module. Download the latest version from <a class="reference external" href="http://www.python.org/">http://www.python.org/</a>.
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134 It is highly recommended that users install the latest patch version
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135 of python as these contain many fixes to serious bugs.</p>
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136 <p>Some variants of Linux will need an additional &#8220;python dev&#8221; package
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137 installed for Roundup installation to work. Debian and derivatives, are
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138 known to require this.</p>
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139 <p>If you&#8217;re on windows, you will either need to be using the ActiveState python
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140 distribution (at <a class="reference external" href="http://www.activestate.com/Products/ActivePython/">http://www.activestate.com/Products/ActivePython/</a>), or you&#8217;ll
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141 have to install the win32all package separately (get it from
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142 <a class="reference external" href="http://starship.python.net/crew/mhammond/win32/">http://starship.python.net/crew/mhammond/win32/</a>).</p>
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143 <script>
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144 &lt; HELP &GT;
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145 </script>
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146 </div>
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147 </body>
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148 '''
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149
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150 html2text = dehtml("dehtml").html2text
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151 if html2text:
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152 print(html2text(html))
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153
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154 try:
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155 # trap error seen if N_TOKENS not defined when run.
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156 html2text = dehtml("beautifulsoup").html2text
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157 if html2text:
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158 print(html2text(html))
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159 except NameError as e:
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160 print("captured error %s" % e)
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161
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162 html2text = dehtml("none").html2text
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163 if html2text:
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164 print("FAIL: Error, dehtml(none) is returning a function")
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165 else:
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166 print("PASS: dehtml(none) is returning None")
Roundup Issue Tracker: http://roundup-tracker.org/