annotate orpg/chat/chat_util.py @ 245:682032381be8 beta

Traipse Beta 'OpenRPG' {101130-00} Traipse is a distribution of OpenRPG that is designed to be easy to setup and go. Traipse also makes it easy for developers to work on code without fear of sacrifice. 'Ornery-Orc' continues the trend of 'Grumpy' and adds fixes to the code. 'Ornery-Orc's main goal is to offer more advanced features and enhance the productivity of the user. Update Summary (Closing/Closed) New Features: New to Map, can re-order Grid, Miniatures, and Whiteboard layer draw order New to Server GUI, can now clear log New Earthdawn Dieroller New IronClaw roller, sheet, and image Updates: Update to Warhammer PC Sheet. Rollers set as macros. Should work with little maintanence. Update to Browser Server window. Display rooms with ' " & cleaner Update to Server. Handles ' " & cleaner Update to Dieroller. Cleaner, more effecient expression system Update to Hidden Die plugin, allows for non standard dice rolls Fixes: Fix to InterParse that was causing an Infernal Loop with Namespace Internal Fix to XML data, removed old Minidom and switched to Element Tree Fix to Server that was causing eternal attempt to find a Server ID, in Register Rooms thread Fix to metaservers.xml file not being created Fix to Single and Double quotes in Whiteboard text Fix to Background images not showing when using the Image Server Fix to Duplicate chat names appearing Fix to Server GUI's logging output Fix to FNB.COLORFUL_TABS bug Fix to Gametree for XSLT Sheets Fix to Gametree for locating gametree files Fix to Send to Chat from Gametree Fix to Gametree, renaming and remapping operates correctly Fix to aliaslib, prevents error caused when SafeHTML is sent None
author sirebral
date Tue, 30 Nov 2010 02:34:58 -0600
parents 3b6888bb53b5
children
rev   line source
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1 # utility function; see Post() in chatwnd.py
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2
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3 import re
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449a8900f9ac Code refining almost completed, for this round. Some included files are still in need of some clean up, but this is test worthy.
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4 import string
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5 from orpg.orpgCore import *
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6 from orpg.tools.orpg_log import logger, debug
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7 from orpg.tools.decorators import debugging
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8
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9 #============================================
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10 # simple_html_repair(string)
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11 #
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12 # Crude html/xml parser/verifier.
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13 # Catches many mistyped and/or malformed
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14 # html tags and prevents them from causing
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15 # issues with the chat display (see chatwnd.py)
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16 # DOES NOT catch misused but properly formated
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17 # html like <script> or <li> which are known
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18 # to cause issues with the chat display
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19 #
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20 # Created 04-25-2005 by Snowdog
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21 #=============================================
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22
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23 def simple_html_repair(string):
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24 "Returns string with extra > symbols to isolate badly formated HTML"
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25 #walk though string checking positions of < and > tags.
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26 first_instance = string.find('<')
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27 if first_instance == -1: return string #no html, bail out.
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28
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29 #strip string of an instances of ">>" and "<<" recursively
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30 #while (string.find(">>") != -1):string = string.replace(">>",">")
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31 while (string.find("<<") != -1):string = string.replace("<<","<")
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32
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33 last_start = first_instance
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34 in_tag_flag = 1
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35 a = first_instance + 1
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36 while a < len(string):
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37 if string[a] == '<':
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38 if in_tag_flag == 1:
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39 #attempt to figure out best place to put missing >
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40 #search from last_start to current position
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41 at_front = 1
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42 for best_pos in range(last_start,a):
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43 if (str(string[best_pos]).isspace())and (at_front == 0):
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44 break
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45 else:
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46 at_front = 0
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47 best_pos = best_pos + 1
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48 a = best_pos
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49 string = string[:a]+">"+string[a:]
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50 in_tag_flag = 0
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51 #jump back up one character to catch the last > and reset the in_tag_flag
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52 a = a - 1
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53 else:
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54 in_tag_flag = 1
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55 last_start = a
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56
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57 if string[a] == '>':
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58 last_start = a #found a closing tag, move start of scan block up.
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59 in_tag_flag = 0
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60 if (a >= (len(string)-1))and(in_tag_flag == 1):
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61 #at end of string and need a closing tag marker
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62 string = string +">"
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63 a = a+1
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64
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65 #strip string of an instances of "<>"
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66 string = string.replace("<>","")
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67
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68 #sanity check. Count the < and > characters, if there arn't enough > chars
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69 #tack them on the end to avoid open-tag conditions
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70 diff = string.count('<') - string.count('>')
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71 if diff > 0:
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72 for d in range(1,diff):
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73 string = string+">"
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74 return string
156
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75
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76 # Depricated! Might as well use the already made component.get('xml')
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449a8900f9ac Code refining almost completed, for this round. Some included files are still in need of some clean up, but this is test worthy.
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77 def strip_unicode(txt):
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78 for i in xrange(len(txt)):
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79 if txt[i] not in string.printable:
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80 try:
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81 txt = txt.replace(txt[i], '&#' + str(ord(txt[i])) + ';')
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82 except:
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83 txt = txt.replace(txt[i], '{?}')
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84 return txt
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85
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86 #================================================
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87 # strip_script_tags(string)
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88 #
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89 # removes all script tags (start and end)
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90 # 04-26-2005 Snowdog
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449a8900f9ac Code refining almost completed, for this round. Some included files are still in need of some clean up, but this is test worthy.
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91 #================================================
156
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92
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93 def strip_script_tags(string):
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94 #kill the <script> issue
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95 p = re.compile( '<(\s*)(/*)[Ss][Cc][Rr][Ii][Pp][Tt](.*?)>')
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96 string = p.sub( "<!-- script tag removed //-->", string)
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97 return string
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98
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99 #================================================
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100 # strip_li_tags(string)
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101 #
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102 # removes all li tags (start and end)
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103 # 05-13-2005
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104 #================================================
140
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105
156
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106 def strip_li_tags(string):
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107 #kill the <li> issue
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108 string = re.sub( r'<(\s*)[Ll][Ii](.*?)>', r'<b><font color="#000000" size=+1>*</font></b> ', string)
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109 string = re.sub( r'<(/*)[Ll][Ii](.*?)>', r'<br />', string)
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110 return string
140
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111
156
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112 #================================================
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113 # strip_body_tags(string)
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114 #
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115 # removes all body tags (start and end) from messages
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116 # should not break the setting of custom background colors
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117 # through legitimate means such as the OpenRPG settings.
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118 # 07-27-2005 by mDuo13
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119 #================================================
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120
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121 def strip_body_tags(string):
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122 bodytag_regex = re.compile(r"""<\/?body.*?>""", re.I)
140
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123 string = re.sub(bodytag_regex, "", string)
156
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124 return string
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125
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126 #================================================
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127 # strip_misalignment_tags(string)
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128 #
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129 # removes the alignment aspect of <p> tags, since
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130 # simply closing one doesn't actually fix the text
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131 # alignment. (I'm assuming this is a bug in wxWindows'
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132 # html parser.)
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133 # However, closing <center> tags does
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134 # return the text to its normal alignment, so this
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135 # algorithm simply closes them, allowing them to be
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136 # used legitimately without causing much annoyance.
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137 # 07-27-2005 mDuo13
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449a8900f9ac Code refining almost completed, for this round. Some included files are still in need of some clean up, but this is test worthy.
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138 #================================================
156
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139
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140 def strip_misalignment_tags(string):
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141 alignment_regex = re.compile(r"""<p([^>]*?)align\s*=\s*('.*?'|".*?"|[^\s>]*)(.*?)>""", re.I)
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142 string = re.sub(alignment_regex, "<p\\1\\3>", string)
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143
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144 center_regex = re.compile(r"""<center.*?>""", re.I)
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145 endcenter_regex = re.compile(r"""</center.*?>""", re.I)
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parents: 140
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146 num_centertags = center_regex.findall(string)
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sirebral
parents: 140
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147 num_endcentertags = endcenter_regex.findall(string)
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148 if num_centertags > num_endcentertags:
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149 missing_tags = len(num_centertags) - len(num_endcentertags)
140
e842a5f1b775 Traipse Beta 'OpenRPG' {091123-00}
sirebral
parents: 71
diff changeset
150 string = string + missing_tags*"</center>"#yes, you can do this.
156
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151 return string
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152
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153 #================================================
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154 # strip_img_tags(string)
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155 #
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156 # removes all img tags (start and end)
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sirebral
parents: 140
diff changeset
157 # 05-13-2005
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sirebral
parents: 140
diff changeset
158 # redone 07-11-2005 by mDuo13
71
449a8900f9ac Code refining almost completed, for this round. Some included files are still in need of some clean up, but this is test worthy.
sirebral
parents: 0
diff changeset
159 #================================================
156
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parents: 140
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160
3b6888bb53b5 Traipse Beta 'OpenRPG' {091125-02}
sirebral
parents: 140
diff changeset
161 def strip_img_tags(string):
3b6888bb53b5 Traipse Beta 'OpenRPG' {091125-02}
sirebral
parents: 140
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162 #This is a Settings definable feature, Allowing users to enable or disable image display to fix the client crash due to large img posted to chat.
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parents: 140
diff changeset
163 #p = re.sub( r'<(\s*)(/*)[Ii][Mm][Gg][ ][Ss][Rr][Cc][=](.*?)>', r'<!-- img tag removed //--> <a href=\3>\3</a>', string)
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parents: 140
diff changeset
164
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165 #this regex is substantially more powerful than the one above
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166 img_tag_regex = re.compile(r"""<img.*?src\s*?=\s*('.*?'|".*?"|[^\s>]*).*?>""", re.I)
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sirebral
parents: 140
diff changeset
167 #this is what replaces the regex match. the \\1 refers to the URL from the previous string
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parents: 140
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168 img_repl_str = "<a href=\\1>[img]</a>"
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169
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sirebral
parents: 140
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170 #replaces all instances of images in the string with links
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sirebral
parents: 140
diff changeset
171 p = re.sub(img_tag_regex, img_repl_str, string)
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sirebral
parents: 140
diff changeset
172 return p