Mercurial > hg > config
annotate python/html2flux.py @ 929:7c4be71a560b default tip
remove old aliases
| author | Jeff Hammel <k0scist@gmail.com> |
|---|---|
| date | Mon, 20 Oct 2025 15:22:19 -0700 |
| parents | e5861cbbc4bb |
| children |
| rev | line source |
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1 #!/usr/bin/env python |
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2 |
| 292 | 3 """ |
| 4 transform an HTML <dl> file into a fluxbox menu | |
| 5 if no file give, read from stdin | |
| 6 | |
| 7 <dl><a>submenu name</a> | |
| 8 <dt>program label</dt><dd>command</dd> | |
| 9 <dt>another program label</dt><dd>command2</dd> | |
| 10 </dl> | |
| 11 | |
| 12 x-form -> internal format: | |
| 13 | |
| 14 ('submenu name': [('program label', 'command'), | |
| 15 ('another program label', 'command2')]) | |
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16 |
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17 - add graphterm: graphterm (should be in ~/k0s/) |
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18 * if a menu has a single item, that is *the* implementor to that interface! :) |
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19 - display fluxbox menu items by `title` attribute, if possible |
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20 * (see class-based usage below) |
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21 - something about && for joining |
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22 - class-based usage (class="shell|...") |
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23 * and is the shell persistent? small? etc. |
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24 * also, sudo! (or other access related thing) |
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25 * resolve: xmessage v gmessage v xosd_cat etc |
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26 * classes: shell, root, message |
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27 - an easier way of editing o_O |
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28 * add an item to a menu |
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29 * submenu |
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30 - utility to find missing commands |
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31 - utility to add command + (e.g. ubuntu) install |
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32 - python package for all of this |
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33 * ...which also sets up the whole html2flux thing |
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34 - ....and the 50 billion dollar problem is: |
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35 How to integrate $(this) and http://k0s.org/portfolio/ubuntu-packages.txt |
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36 * these should have classifiers and ultimately work in to toolbox |
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37 - can a workflow be mapped to a (X; and, tbf, hierarchal) menu?!? |
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38 * YOU'RE SEEING IT, RIGHT? |
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39 - that said, a hierachal menu...ain't the best; maybe something like |
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40 dasher.... |
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41 - to that effect, amonst others, menu items of the same set |
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42 should be added multiple places. that is to say, the menu item |
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43 indicated as `[foo][bar]fleem` could also live under |
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44 `[bar][foo]fleem` |
| 292 | 45 """ |
| 46 | |
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47 import argparse |
| 294 | 48 import os |
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49 import sys |
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50 from lxml import etree |
| 292 | 51 from lsex import lsex # local import |
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52 |
| 882 | 53 try: |
| 54 # python2 | |
| 55 string = (str, unicode) | |
| 56 except NameError: | |
| 57 # python3 | |
| 58 string = (str,) | |
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59 |
| 292 | 60 # available executables |
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61 executables = set([os.path.basename(i) for i in lsex() ]) |
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parents:
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62 |
| 620 | 63 # TODO: next generation |
| 64 # class HtmlMenu | |
| 65 # def _init__(self, html): | |
| 66 # if isinstance (html, string): | |
| 67 # html = | |
| 68 # for item in html | |
| 69 | |
| 70 # class Command | |
| 71 # classname = '' | |
| 72 | |
| 73 # class Sudo(Command) | |
| 74 # classname = 'sudo' | |
| 75 # programs = (('gksudo',),) | |
| 76 | |
| 293 | 77 def readmenu(dl, output, top=True): |
| 296 | 78 """read menu from an <dl> tag""" |
| 79 # TODO: probably don't really need lxml | |
| 292 | 80 |
| 81 menu_items = [] | |
| 82 name = None # menu name | |
| 294 | 83 firstchild = True |
| 84 label = None | |
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85 for child in dl.iterchildren(): |
| 292 | 86 |
| 294 | 87 if not top and child.tag == 'a' and firstchild: |
| 292 | 88 # TODO: better way of labeling this! |
| 294 | 89 name = child.text.strip() |
| 292 | 90 |
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91 if child.tag == 'dt': |
| 292 | 92 # item label |
| 93 label = ' '.join([i.strip() for i in child.itertext() if i.strip()]) | |
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94 if child.tag == 'dd': |
| 294 | 95 # command |
| 292 | 96 command = ' '.join([i.strip() for i in child.itertext() if i.strip()]) |
| 294 | 97 # TODO: classes |
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98 executable = command.split()[0] |
| 292 | 99 if executable in executables or os.path.isabs(executable): |
| 294 | 100 menu_items.append((label, command)) |
| 101 | |
| 102 # submenu | |
| 103 if child.tag == 'dl': | |
| 104 menu_items.append(readmenu(child, output, top=False)) | |
| 105 | |
| 106 return (name, menu_items) | |
| 292 | 107 |
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108 |
| 294 | 109 def printflux(name, menu, output, top=True): |
| 110 """ | |
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111 print menu in fluxbox notation |
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112 |
| 294 | 113 - output: file-like object for writing |
| 114 """ | |
| 296 | 115 |
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116 if not menu: |
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117 return |
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118 |
| 296 | 119 # print [submenu] tag for this menu |
| 294 | 120 name = name or '' |
| 296 | 121 if not top: |
| 883 | 122 output.write('[submenu] (%s)\n' % name) |
| 296 | 123 |
| 124 # print menu items | |
| 294 | 125 for name, item in menu: |
| 883 | 126 if isinstance(item, string): |
| 294 | 127 # command |
| 884 | 128 output.write('[exec] (%s) {%s}\n' % (name, item)) |
| 294 | 129 else: |
| 130 # submenu | |
| 131 printflux(name, item, output, top=False) | |
| 296 | 132 |
| 133 # print end of this submenu | |
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134 if not top: |
| 884 | 135 output.write('[end]\n') |
| 136 | |
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137 |
| 293 | 138 def printmenu(dl, output): |
| 294 | 139 name, menu = readmenu(dl, output) |
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140 if isinstance(output, string): |
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141 with open(output, 'w') as f: |
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142 printflux(name, menu, f) |
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143 else: |
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144 # file-like object |
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145 printflux(name, menu, output) |
| 293 | 146 |
| 292 | 147 def main(args=sys.argv[1:]): |
| 293 | 148 """command line interface""" |
| 292 | 149 |
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150 # parse command line |
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151 parser = argparse.ArgumentParser(description=__doc__) |
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152 parser.add_argument('htmlfile', metavar='programs.html', nargs='?', |
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153 type=argparse.FileType('r'), default=sys.stdin, |
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154 help='input file, or read from stdin if ommitted') |
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155 parser.add_argument('--collapse', dest='collapse', |
| 292 | 156 action='store_true', default=False, |
| 157 help="collapse menus with a single item to that item") | |
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158 parser.add_argument('-o', '--output', dest='output', |
| 292 | 159 help="output file [Default: <stdout>]") |
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160 options = parser.parse_args(args) |
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161 |
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162 # read input |
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163 html = options.htmlfile.read() |
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164 |
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165 # get first element |
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166 dom = etree.fromstring(html) |
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167 dl = dom.find('.//dl') |
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168 |
| 292 | 169 # print to stdout |
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170 printmenu(dl, options.output or sys.stdout) |
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171 |
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172 if __name__ == '__main__': |
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173 main() |
