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@@ -1,138 +1,139 | |||
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1 | 1 | """Filters for processing ANSI colors within Jinja templates. |
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2 | 2 | """ |
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3 | 3 | #----------------------------------------------------------------------------- |
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4 | 4 | # Copyright (c) 2013, the IPython Development Team. |
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5 | 5 | # |
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6 | 6 | # Distributed under the terms of the Modified BSD License. |
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7 | 7 | # |
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8 | 8 | # The full license is in the file COPYING.txt, distributed with this software. |
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9 | 9 | #----------------------------------------------------------------------------- |
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10 | 10 | |
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11 | 11 | #----------------------------------------------------------------------------- |
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12 | 12 | # Imports |
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13 | 13 | #----------------------------------------------------------------------------- |
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14 | 14 | |
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15 | 15 | import re |
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16 | from IPython.utils import coloransi | |
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16 | 17 | |
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17 | 18 | #----------------------------------------------------------------------------- |
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18 | 19 | # Classes and functions |
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19 | 20 | #----------------------------------------------------------------------------- |
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20 | 21 | |
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21 | 22 | def remove_ansi(source): |
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22 | 23 | """ |
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23 | 24 | Remove ansi from text |
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24 | 25 | |
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25 | 26 | Parameters |
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26 | 27 | ---------- |
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27 | 28 | source : str |
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28 | 29 | Source to remove the ansi from |
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29 | 30 | """ |
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30 | 31 | |
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31 | 32 | return re.sub(r'\033\[(0|\d;\d\d)m', '', source) |
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32 | 33 | |
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33 | 34 | |
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34 | 35 | def ansi2html(text): |
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35 | 36 | """ |
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36 | 37 | Conver ansi colors to html colors. |
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37 | 38 | |
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38 | 39 | Parameters |
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39 | 40 | ---------- |
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40 | 41 | text : str |
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41 | 42 | Text containing ansi colors to convert to html |
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42 | 43 | """ |
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43 | 44 | |
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44 | 45 | ansi_colormap = { |
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45 | 46 | '30': 'ansiblack', |
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46 | 47 | '31': 'ansired', |
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47 | 48 | '32': 'ansigreen', |
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48 | 49 | '33': 'ansiyellow', |
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49 | 50 | '34': 'ansiblue', |
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50 | 51 | '35': 'ansipurple', |
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51 | 52 | '36': 'ansicyan', |
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52 | 53 | '37': 'ansigrey', |
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53 | 54 | '01': 'ansibold', |
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54 | 55 | } |
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55 | 56 | |
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56 | 57 | # do ampersand first |
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57 | 58 | text = text.replace('&', '&') |
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58 | 59 | html_escapes = { |
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59 | 60 | '<': '<', |
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60 | 61 | '>': '>', |
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61 | 62 | "'": ''', |
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62 | 63 | '"': '"', |
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63 | 64 | '`': '`', |
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64 | 65 | } |
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65 | 66 | |
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66 | 67 | for c, escape in html_escapes.iteritems(): |
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67 | 68 | text = text.replace(c, escape) |
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68 | 69 | |
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69 | 70 | ansi_re = re.compile('\x1b' + r'\[([\dA-Fa-f;]*?)m') |
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70 | 71 | m = ansi_re.search(text) |
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71 | 72 | opened = False |
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72 | 73 | cmds = [] |
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73 | 74 | opener = '' |
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74 | 75 | closer = '' |
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75 | 76 | while m: |
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76 | 77 | cmds = m.groups()[0].split(';') |
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77 | 78 | closer = '</span>' if opened else '' |
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78 | 79 | |
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79 | 80 | # True if there is there more than one element in cmds, *or* |
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80 | 81 | # if there is only one but it is not equal to a string of zeroes. |
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81 | 82 | opened = len(cmds) > 1 or cmds[0] != '0' * len(cmds[0]) |
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82 | 83 | classes = [] |
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83 | 84 | for cmd in cmds: |
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84 | 85 | if cmd in ansi_colormap: |
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85 | 86 | classes.append(ansi_colormap.get(cmd)) |
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86 | 87 | |
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87 | 88 | if classes: |
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88 | 89 | opener = '<span class="%s">' % (' '.join(classes)) |
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89 | 90 | else: |
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90 | 91 | opener = '' |
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91 | 92 | text = re.sub(ansi_re, closer + opener, text, 1) |
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92 | 93 | |
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93 | 94 | m = ansi_re.search(text) |
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94 | 95 | |
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95 | 96 | if opened: |
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96 | 97 | text += '</span>' |
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97 | 98 | return text |
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98 | 99 | |
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99 | 100 | |
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100 | 101 | def single_ansi2latex(code): |
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101 | 102 | """Converts single ansi markup to latex format |
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102 | 103 | |
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103 | 104 | Return latex code and number of open brackets. |
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104 | 105 | """ |
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105 | 106 | for color in coloransi.color_templates: |
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106 | 107 | colcode = getattr(coloransi.TermColors,color[0]) |
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107 | 108 | # regular fonts |
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108 | 109 | if code == colcode: |
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109 | 110 | return '\\'+color[0].lower()+'{', 1 |
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110 | 111 | # bold fonts |
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111 | 112 | if code == colcode[:3]+str(1)+colcode[3:]: |
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112 | 113 | return '\\textbf{\\textcolor{'+color[0].lower()+'}{', 2 |
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113 | 114 | return '', 0 |
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114 | 115 | |
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115 | 116 | def ansi2latex(text): |
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116 | 117 | """Converts ansi formated text to latex version |
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117 | 118 | |
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118 | 119 | based on https://bitbucket.org/birkenfeld/sphinx-contrib/ansi.py |
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119 | 120 | """ |
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120 | 121 | color_pattern = re.compile('\x1b\\[([^m]+)m') |
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121 | 122 | last_end = 0 |
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122 | 123 | openbrack = 0 |
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123 | 124 | outstring = '' |
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124 | 125 | for match in color_pattern.finditer(text): |
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125 | 126 | head = text[last_end:match.start()] |
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126 | 127 | formater = match.group() |
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127 | 128 | outstring += head |
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128 | 129 | if openbrack: |
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129 | 130 | outstring += '}'*openbrack |
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130 | 131 | openbrack = 0 |
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131 | 132 | if match.group() <> coloransi.TermColors.Normal and not openbrack: |
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132 | 133 | texform, openbrack = single_ansi2latex(match.group()) |
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133 | 134 | outstring += texform |
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134 | 135 | last_end = match.end() |
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135 | 136 | if openbrack: |
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136 | 137 | outstring += '}'*openbrack |
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137 | 138 | outstring += text[last_end:] |
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138 | 139 | return outstring.strip() |
@@ -1,105 +1,104 | |||
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1 | 1 | """String filters. |
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2 | 2 | |
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3 | 3 | Contains a collection of useful string manipulation filters for use in Jinja |
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4 | 4 | templates. |
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5 | 5 | """ |
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6 | 6 | #----------------------------------------------------------------------------- |
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7 | 7 | # Copyright (c) 2013, the IPython Development Team. |
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8 | 8 | # |
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9 | 9 | # Distributed under the terms of the Modified BSD License. |
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10 | 10 | # |
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11 | 11 | # The full license is in the file COPYING.txt, distributed with this software. |
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12 | 12 | #----------------------------------------------------------------------------- |
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13 | 13 | |
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14 | 14 | #----------------------------------------------------------------------------- |
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15 | 15 | # Imports |
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16 | 16 | #----------------------------------------------------------------------------- |
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17 | 17 | import re |
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18 | 18 | |
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19 | 19 | # Our own imports |
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20 | 20 | import textwrap |
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21 | from IPython.utils import coloransi | |
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22 | 21 | #----------------------------------------------------------------------------- |
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23 | 22 | # Functions |
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24 | 23 | #----------------------------------------------------------------------------- |
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25 | 24 | |
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26 | 25 | def wrap(text, width=100): |
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27 | 26 | """ |
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28 | 27 | Intelligently wrap text. |
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29 | 28 | Wrap text without breaking words if possible. |
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30 | 29 | |
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31 | 30 | Parameters |
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32 | 31 | ---------- |
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33 | 32 | text : str |
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34 | 33 | Text to wrap. |
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35 | 34 | width : int, optional |
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36 | 35 | Number of characters to wrap to, default 100. |
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37 | 36 | """ |
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38 | 37 | |
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39 | 38 | split_text = text.split('\n') |
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40 | 39 | wrp = map(lambda x:textwrap.wrap(x,width), split_text) |
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41 | 40 | wrpd = map('\n'.join, wrp) |
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42 | 41 | return '\n'.join(wrpd) |
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43 | 42 | |
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44 | 43 | |
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45 | 44 | def strip_dollars(text): |
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46 | 45 | """ |
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47 | 46 | Remove all dollar symbols from text |
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48 | 47 | |
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49 | 48 | Parameters |
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50 | 49 | ---------- |
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51 | 50 | text : str |
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52 | 51 | Text to remove dollars from |
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53 | 52 | """ |
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54 | 53 | |
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55 | 54 | return text.strip('$') |
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56 | 55 | |
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57 | 56 | |
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58 | 57 | def rm_fake(text): |
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59 | 58 | """ |
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60 | 59 | Remove all occurrences of '/files/' from text |
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61 | 60 | |
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62 | 61 | Parameters |
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63 | 62 | ---------- |
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64 | 63 | text : str |
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65 | 64 | Text to remove '/files/' from |
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66 | 65 | """ |
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67 | 66 | return text.replace('/files/', '') |
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68 | 67 | |
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69 | 68 | |
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70 | 69 | def python_comment(text): |
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71 | 70 | """ |
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72 | 71 | Build a Python comment line from input text. |
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73 | 72 | |
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74 | 73 | Parameters |
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75 | 74 | ---------- |
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76 | 75 | text : str |
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77 | 76 | Text to comment out. |
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78 | 77 | """ |
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79 | 78 | |
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80 | 79 | #Replace line breaks with line breaks and comment symbols. |
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81 | 80 | #Also add a comment symbol at the beginning to comment out |
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82 | 81 | #the first line. |
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83 | 82 | return '# '+'\n# '.join(text.split('\n')) |
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84 | 83 | |
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85 | 84 | |
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86 | 85 | def get_lines(text, start=None,end=None): |
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87 | 86 | """ |
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88 | 87 | Split the input text into separate lines and then return the |
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89 | 88 | lines that the caller is interested in. |
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90 | 89 | |
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91 | 90 | Parameters |
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92 | 91 | ---------- |
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93 | 92 | text : str |
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94 | 93 | Text to parse lines from. |
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95 | 94 | start : int, optional |
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96 | 95 | First line to grab from. |
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97 | 96 | end : int, optional |
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98 | 97 | Last line to grab from. |
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99 | 98 | """ |
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100 | 99 | |
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101 | 100 | # Split the input into lines. |
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102 | 101 | lines = text.split("\n") |
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103 | 102 | |
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104 | 103 | # Return the right lines. |
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105 | 104 | return "\n".join(lines[start:end]) #re-join |
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