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annotate mercurial/fancyopts.py @ 7305:c21d236ca897

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hgweb: descend empty directories in web view When a manifest has a series of directories with nothing in them but a single directory, displaying the entire chain of empty directories allows for navigation down to the first non-empty directory with a single click. Because Java links package hierarchy to directory hierarchy, and because Java conventions include at least three empty directories at the top of this hierarchy, descending down empty directories is very common in Java web tools.
author Ry4an Brase <ry4an-hg@ry4an.org>
date Mon, 03 Nov 2008 10:20:28 +0100
parents d39af2eabb8c
children 88887054d277
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31a9aa890016 A number of minor fixes to problems that pychecker found.
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1 import getopt
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3 def fancyopts(args, options, state):
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4 """
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5 read args, parse options, and store options in state
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6
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7 each option is a tuple of:
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8
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9 short option or ''
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10 long option
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11 default value
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12 description
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13
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14 option types include:
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15
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16 boolean or none - option sets variable in state to true
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17 string - parameter string is stored in state
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18 list - parameter string is added to a list
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19 integer - parameter strings is stored as int
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20 function - call function with parameter
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21
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22 non-option args are returned
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23 """
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24 namelist = []
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25 shortlist = ''
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26 argmap = {}
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27 defmap = {}
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28
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29 for short, name, default, comment in options:
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30 # convert opts to getopt format
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31 oname = name
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32 name = name.replace('-', '_')
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33
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34 argmap['-' + short] = argmap['--' + oname] = name
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35 defmap[name] = default
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36
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37 # copy defaults to state
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38 if isinstance(default, list):
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39 state[name] = default[:]
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40 elif callable(default):
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41 state[name] = None
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42 else:
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43 state[name] = default
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44
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45 # does it take a parameter?
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46 if not (default is None or default is True or default is False):
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47 if short: short += ':'
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48 if oname: oname += '='
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49 if short:
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50 shortlist += short
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51 if name:
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52 namelist.append(oname)
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53
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54 # parse arguments
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55 opts, args = getopt.getopt(args, shortlist, namelist)
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56
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57 # transfer result to state
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58 for opt, val in opts:
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59 name = argmap[opt]
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60 t = type(defmap[name])
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61 if t is type(fancyopts):
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62 state[name] = defmap[name](val)
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63 elif t is type(1):
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64 state[name] = int(val)
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65 elif t is type(''):
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66 state[name] = val
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67 elif t is type([]):
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68 state[name].append(val)
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69 elif t is type(None) or t is type(False):
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70 state[name] = True
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71
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72 # return unparsed args
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73 return args