annotate MoinMoin/util/web.py @ 422:1fe19d424346

added size attr to select widget imported from: moin--main--1.5--patch-426
author Thomas Waldmann <tw@waldmann-edv.de>
date Sat, 04 Feb 2006 13:24:45 +0000
parents a54cebaab73e
children e0e016a553bd
rev   line source
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1 # -*- coding: iso-8859-1 -*-
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2 """
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3 MoinMoin - Helper functions for WWW stuff
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4
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5 @copyright: 2002 by Jürgen Hermann <jh@web.de>
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6 @license: GNU GPL, see COPYING for details.
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7 """
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8
101
2202f548cbb0 use own urllib wrapper, see wikiutil
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9 import re
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10 from MoinMoin import config
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11
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12 def isSpiderAgent(request):
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13 """ Return True if user agent appears to be a spider.
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14 """
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15 if not request.cfg.ua_spiders:
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16 return 0
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17
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18 ua = request.getUserAgent()
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19 if not ua:
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20 return 0
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21
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22 return re.search(request.cfg.ua_spiders, ua, re.I) is not None
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23
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24
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25 def getIntegerInput(request, fieldname, default=None, minval=None, maxval=None):
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26 """ Get an integer value from a request parameter. If the value
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27 is out of bounds, it's made to fit into those bounds.
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28
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29 Returns `default` in case of errors (not a valid integer, or field
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30 is missing).
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31 """
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32 try:
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33 result = int(request.form[fieldname][0])
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34 except (KeyError, ValueError):
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35 return default
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36 else:
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37 if minval is not None:
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38 result = max(result, minval)
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39 if maxval is not None:
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40 result = min(result, maxval)
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41 return result
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42
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43
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44 def getLinkIcon(request, formatter, scheme):
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45 """ Get icon for fancy links, or '' if user doesn't want them.
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46 """
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47 if scheme in ["mailto", "news", "telnet", "ftp", "file"]:
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48 icon = scheme
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49 else:
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50 icon = "www"
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51
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52 return request.theme.make_icon(icon)
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53
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54 def makeSelection(name, values, selectedval=None, size=1):
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55 """ Make a HTML <select> element named `name` from a value list.
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56 The list can either be a list of strings, or a list of
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57 (value, label) tuples.
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58
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59 `selectedval` is the value that should be pre-selected.
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60 """
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61 from MoinMoin.widget import html
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62 result = html.SELECT(name=name, size="%d" % int(size))
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63 for val in values:
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64 if not isinstance(val, type(())):
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65 val = (val, val)
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66 result.append(html.OPTION(
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67 value=val[0], selected=(val[0] == selectedval))
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68 .append(html.Text(val[1]))
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69 )
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70
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71 return result
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72