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@@ -1,157 +1,158 b'' | |||||
1 | """Filters for processing ANSI colors within Jinja templates. |
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1 | """Filters for processing ANSI colors within Jinja templates. | |
2 | """ |
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2 | """ | |
3 | #----------------------------------------------------------------------------- |
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3 | #----------------------------------------------------------------------------- | |
4 | # Copyright (c) 2013, the IPython Development Team. |
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4 | # Copyright (c) 2013, the IPython Development Team. | |
5 | # |
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5 | # | |
6 | # Distributed under the terms of the Modified BSD License. |
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6 | # Distributed under the terms of the Modified BSD License. | |
7 | # |
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7 | # | |
8 | # The full license is in the file COPYING.txt, distributed with this software. |
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8 | # The full license is in the file COPYING.txt, distributed with this software. | |
9 | #----------------------------------------------------------------------------- |
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9 | #----------------------------------------------------------------------------- | |
10 |
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10 | |||
11 | #----------------------------------------------------------------------------- |
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11 | #----------------------------------------------------------------------------- | |
12 | # Imports |
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12 | # Imports | |
13 | #----------------------------------------------------------------------------- |
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13 | #----------------------------------------------------------------------------- | |
14 |
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14 | |||
15 | import re |
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15 | import re | |
16 | from IPython.utils import coloransi |
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16 | from IPython.utils import coloransi | |
17 |
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17 | |||
18 | #----------------------------------------------------------------------------- |
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18 | #----------------------------------------------------------------------------- | |
19 | # Classes and functions |
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19 | # Classes and functions | |
20 | #----------------------------------------------------------------------------- |
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20 | #----------------------------------------------------------------------------- | |
21 |
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21 | |||
22 | __all__ = [ |
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22 | __all__ = [ | |
23 | 'strip_ansi', |
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23 | 'strip_ansi', | |
24 | 'ansi2html', |
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24 | 'ansi2html', | |
25 | 'single_ansi2latex', |
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25 | 'single_ansi2latex', | |
26 | 'ansi2latex' |
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26 | 'ansi2latex' | |
27 | ] |
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27 | ] | |
28 |
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28 | |||
29 | def strip_ansi(source): |
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29 | def strip_ansi(source): | |
30 | """ |
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30 | """ | |
31 | Remove ansi from text |
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31 | Remove ansi from text | |
32 |
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32 | |||
33 | Parameters |
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33 | Parameters | |
34 | ---------- |
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34 | ---------- | |
35 | source : str |
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35 | source : str | |
36 | Source to remove the ansi from |
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36 | Source to remove the ansi from | |
37 | """ |
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37 | """ | |
38 |
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38 | |||
39 | return re.sub(r'\033\[(\d|;)+?m', '', source) |
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39 | return re.sub(r'\033\[(\d|;)+?m', '', source) | |
40 |
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40 | |||
41 |
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41 | |||
42 | def ansi2html(text): |
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42 | def ansi2html(text): | |
43 | """ |
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43 | """ | |
44 | Conver ansi colors to html colors. |
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44 | Conver ansi colors to html colors. | |
45 |
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45 | |||
46 | Parameters |
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46 | Parameters | |
47 | ---------- |
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47 | ---------- | |
48 | text : str |
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48 | text : str | |
49 | Text containing ansi colors to convert to html |
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49 | Text containing ansi colors to convert to html | |
50 | """ |
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50 | """ | |
51 |
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51 | |||
52 | ansi_colormap = { |
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52 | ansi_colormap = { | |
53 | '30': 'ansiblack', |
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53 | '30': 'ansiblack', | |
54 | '31': 'ansired', |
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54 | '31': 'ansired', | |
55 | '32': 'ansigreen', |
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55 | '32': 'ansigreen', | |
56 | '33': 'ansiyellow', |
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56 | '33': 'ansiyellow', | |
57 | '34': 'ansiblue', |
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57 | '34': 'ansiblue', | |
58 | '35': 'ansipurple', |
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58 | '35': 'ansipurple', | |
59 | '36': 'ansicyan', |
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59 | '36': 'ansicyan', | |
60 | '37': 'ansigrey', |
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60 | '37': 'ansigrey', | |
61 | '01': 'ansibold', |
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61 | '01': 'ansibold', | |
62 | } |
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62 | } | |
63 |
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63 | |||
64 | # do ampersand first |
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64 | # do ampersand first | |
65 | text = text.replace('&', '&') |
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65 | text = text.replace('&', '&') | |
66 | html_escapes = { |
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66 | html_escapes = { | |
67 | '<': '<', |
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67 | '<': '<', | |
68 | '>': '>', |
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68 | '>': '>', | |
69 | "'": ''', |
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69 | "'": ''', | |
70 | '"': '"', |
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70 | '"': '"', | |
71 | '`': '`', |
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71 | '`': '`', | |
72 | } |
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72 | } | |
73 |
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73 | |||
74 | for c, escape in html_escapes.items(): |
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74 | for c, escape in html_escapes.items(): | |
75 | text = text.replace(c, escape) |
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75 | text = text.replace(c, escape) | |
76 |
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76 | |||
77 | ansi_re = re.compile('\x1b' + r'\[([\dA-Fa-f;]*?)m') |
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77 | ansi_re = re.compile('\x1b' + r'\[([\dA-Fa-f;]*?)m') | |
78 | m = ansi_re.search(text) |
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78 | m = ansi_re.search(text) | |
79 | opened = False |
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79 | opened = False | |
80 | cmds = [] |
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80 | cmds = [] | |
81 | opener = '' |
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81 | opener = '' | |
82 | closer = '' |
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82 | closer = '' | |
83 | while m: |
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83 | while m: | |
84 | cmds = m.groups()[0].split(';') |
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84 | cmds = m.groups()[0].split(';') | |
85 | closer = '</span>' if opened else '' |
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85 | closer = '</span>' if opened else '' | |
86 |
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86 | |||
87 | # True if there is there more than one element in cmds, *or* |
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87 | # True if there is there more than one element in cmds, *or* | |
88 | # if there is only one but it is not equal to a string of zeroes. |
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88 | # if there is only one but it is not equal to a string of zeroes. | |
89 | opened = len(cmds) > 1 or cmds[0] != '0' * len(cmds[0]) |
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89 | opened = len(cmds) > 1 or cmds[0] != '0' * len(cmds[0]) | |
90 | classes = [] |
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90 | classes = [] | |
91 | for cmd in cmds: |
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91 | for cmd in cmds: | |
92 | if cmd in ansi_colormap: |
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92 | if cmd in ansi_colormap: | |
93 | classes.append(ansi_colormap.get(cmd)) |
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93 | classes.append(ansi_colormap.get(cmd)) | |
94 |
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94 | |||
95 | if classes: |
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95 | if classes: | |
96 | opener = '<span class="%s">' % (' '.join(classes)) |
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96 | opener = '<span class="%s">' % (' '.join(classes)) | |
97 | else: |
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97 | else: | |
98 | opener = '' |
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98 | opener = '' | |
99 | text = re.sub(ansi_re, closer + opener, text, 1) |
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99 | text = re.sub(ansi_re, closer + opener, text, 1) | |
100 |
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100 | |||
101 | m = ansi_re.search(text) |
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101 | m = ansi_re.search(text) | |
102 |
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102 | |||
103 | if opened: |
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103 | if opened: | |
104 | text += '</span>' |
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104 | text += '</span>' | |
105 | return text |
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105 | return text | |
106 |
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106 | |||
107 |
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107 | |||
108 | def single_ansi2latex(code): |
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108 | def single_ansi2latex(code): | |
109 | """Converts single ansi markup to latex format |
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109 | """Converts single ansi markup to latex format | |
110 |
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110 | |||
111 | Return latex code and number of open brackets. |
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111 | Return latex code and number of open brackets. | |
112 | """ |
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112 | """ | |
113 | for color in coloransi.color_templates: |
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113 | for color in coloransi.color_templates: | |
114 |
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114 | |||
115 | #Make sure to get the color code (which is a part of the overall style) |
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115 | #Make sure to get the color code (which is a part of the overall style) | |
116 | # i.e. 0;31 is valid |
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116 | # i.e. 0;31 is valid | |
117 | # 31 is also valid, and means the same thing |
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117 | # 31 is also valid, and means the same thing | |
118 | #coloransi.color_templates stores the longer of the two formats %d;%d |
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118 | #coloransi.color_templates stores the longer of the two formats %d;%d | |
119 | #Get the short format so we can parse that too. Short format only exist |
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119 | #Get the short format so we can parse that too. Short format only exist | |
120 | #if no other formating is applied (the other number must be a 0)! |
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120 | #if no other formating is applied (the other number must be a 0)! | |
121 | style_code = getattr(coloransi.TermColors, color[0]) |
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121 | style_code = getattr(coloransi.TermColors, color[0]) | |
122 | color_code = style_code.split(';')[1] |
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122 | color_code = style_code.split(';')[1] | |
123 | is_normal = style_code.split(';')[0] == '0' |
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123 | is_normal = style_code.split(';')[0] == '0' | |
124 |
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124 | |||
125 |
# regular |
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125 | # regular weight | |
126 | if (code == style_code) or (is_normal and code == color_code): |
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126 | if (code == style_code) or (is_normal and code == color_code): | |
127 | return '\\'+color[0].lower()+'{', 1 |
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127 | ||
128 | # bold fonts |
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128 | return r'{\color{'+color[0].lower()+'}', 1 | |
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129 | # bold | |||
129 | if code == style_code[:3]+str(1)+style_code[3:]: |
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130 | if code == style_code[:3]+str(1)+style_code[3:]: | |
130 |
return '\ |
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131 | return r'\textbf{\color{'+color[0].lower()+'}', 1 | |
131 | return '', 0 |
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132 | return '', 0 | |
132 |
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133 | |||
133 | def ansi2latex(text): |
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134 | def ansi2latex(text): | |
134 | """Converts ansi formated text to latex version |
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135 | """Converts ansi formated text to latex version | |
135 |
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136 | |||
136 | based on https://bitbucket.org/birkenfeld/sphinx-contrib/ansi.py |
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137 | based on https://bitbucket.org/birkenfeld/sphinx-contrib/ansi.py | |
137 | """ |
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138 | """ | |
138 | color_pattern = re.compile('\x1b\\[([^m]+)m') |
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139 | color_pattern = re.compile('\x1b\\[([^m]+)m') | |
139 | last_end = 0 |
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140 | last_end = 0 | |
140 | openbrack = 0 |
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141 | openbrack = 0 | |
141 | outstring = '' |
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142 | outstring = '' | |
142 | for match in color_pattern.finditer(text): |
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143 | for match in color_pattern.finditer(text): | |
143 | head = text[last_end:match.start()] |
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144 | head = text[last_end:match.start()] | |
144 | outstring += head |
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145 | outstring += head | |
145 | if openbrack: |
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146 | if openbrack: | |
146 | outstring += '}'*openbrack |
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147 | outstring += '}'*openbrack | |
147 | openbrack = 0 |
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148 | openbrack = 0 | |
148 | if not (match.group() == coloransi.TermColors.Normal or openbrack): |
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149 | if not (match.group() == coloransi.TermColors.Normal or openbrack): | |
149 | texform, openbrack = single_ansi2latex(match.group()) |
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150 | texform, openbrack = single_ansi2latex(match.group()) | |
150 | outstring += texform |
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151 | outstring += texform | |
151 | last_end = match.end() |
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152 | last_end = match.end() | |
152 |
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153 | |||
153 | #Add the remainer of the string and THEN close any remaining color brackets. |
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154 | # Add the remainer of the string and THEN close any remaining color brackets. | |
154 | outstring += text[last_end:] |
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155 | outstring += text[last_end:] | |
155 | if openbrack: |
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156 | if openbrack: | |
156 | outstring += '}'*openbrack |
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157 | outstring += '}'*openbrack | |
157 | return outstring.strip() |
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158 | return outstring.strip() |
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