Mercurial > hg
annotate mercurial/fancyopts.py @ 6339:ed9b07a97587
util: check fileno() validity in win32 set_binary()
author | Patrick Mezard <pmezard@gmail.com> |
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date | Fri, 21 Mar 2008 21:56:55 +0100 |
parents | d39af2eabb8c |
children | 88887054d277 |
rev | line source |
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A number of minor fixes to problems that pychecker found.
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1 import getopt |
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596 | 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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72 # return unparsed args |
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73 return args |