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annotate doc/gendoc.py @ 3797:54fd4d3b4fce

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Generate docs for help topics
author Matt Mackall <mpm@selenic.com>
date Tue, 05 Dec 2006 16:28:59 -0600
parents 7956893e8458
children
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1 import sys, textwrap
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2 # import from the live mercurial repo
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3 sys.path.insert(0, "..")
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4 from mercurial.commands import table, globalopts
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5 from mercurial.i18n import gettext as _
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6 from mercurial.help import helptable
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7
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8 def get_desc(docstr):
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9 if not docstr:
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10 return "", ""
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11 # sanitize
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12 docstr = docstr.strip("\n")
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13 docstr = docstr.rstrip()
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14 shortdesc = docstr.splitlines()[0].strip()
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15
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16 i = docstr.find("\n")
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17 if i != -1:
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18 desc = docstr[i+2:]
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19 else:
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20 desc = " %s" % shortdesc
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21 return (shortdesc, desc)
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22
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23 def get_opts(opts):
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24 for shortopt, longopt, default, desc in opts:
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25 allopts = []
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26 if shortopt:
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27 allopts.append("-%s" % shortopt)
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28 if longopt:
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29 allopts.append("--%s" % longopt)
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30 desc += default and _(" (default: %s)") % default or ""
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31 yield(", ".join(allopts), desc)
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32
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33 def get_cmd(cmd):
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34 d = {}
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35 attr = table[cmd]
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36 cmds = cmd.lstrip("^").split("|")
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37
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38 d['synopsis'] = attr[2]
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39 d['cmd'] = cmds[0]
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40 d['aliases'] = cmd.split("|")[1:]
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41 d['desc'] = get_desc(attr[0].__doc__)
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42 d['opts'] = list(get_opts(attr[1]))
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43 return d
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45
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46 def show_doc(ui):
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47 def bold(s, text=""):
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48 ui.write("%s\n%s\n%s\n" % (s, "="*len(s), text))
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49 def underlined(s, text=""):
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50 ui.write("%s\n%s\n%s\n" % (s, "-"*len(s), text))
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51
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52 # print options
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53 underlined(_("OPTIONS"))
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54 for optstr, desc in get_opts(globalopts):
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55 ui.write("%s::\n %s\n\n" % (optstr, desc))
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56
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57 # print cmds
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58 underlined(_("COMMANDS"))
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59 h = {}
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60 for c, attr in table.items():
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61 f = c.split("|")[0]
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62 f = f.lstrip("^")
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63 h[f] = c
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64 cmds = h.keys()
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65 cmds.sort()
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66
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67 for f in cmds:
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68 if f.startswith("debug"): continue
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69 d = get_cmd(h[f])
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70 # synopsis
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71 ui.write("%s::\n" % d['synopsis'].replace("hg ","", 1))
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72 # description
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73 ui.write("%s\n\n" % d['desc'][1])
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74 # options
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75 opt_output = list(d['opts'])
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76 if opt_output:
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77 opts_len = max([len(line[0]) for line in opt_output])
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78 ui.write(_(" options:\n"))
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79 for optstr, desc in opt_output:
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80 if desc:
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81 s = "%-*s %s" % (opts_len, optstr, desc)
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82 else:
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83 s = optstr
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84 s = textwrap.fill(s, initial_indent=4 * " ",
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85 subsequent_indent=(6 + opts_len) * " ")
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86 ui.write("%s\n" % s)
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87 ui.write("\n")
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88 # aliases
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89 if d['aliases']:
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90 ui.write(_(" aliases: %s\n\n") % " ".join(d['aliases']))
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91
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92 # print topics
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93 for t in helptable:
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94 l = t.split("|")
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95 section = l[-1]
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96 underlined(_(section).upper())
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97 doc = helptable[t]
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98 if callable(doc):
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99 doc = doc()
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100 ui.write(_(doc))
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101 ui.write("\n")
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102
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103 if __name__ == "__main__":
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104 show_doc(sys.stdout)