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1
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class Text: |
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2
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3
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EMPTY = '_' |
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4
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SPACE = '_' |
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5
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ALTERNATE_SPACES = ['_', '-'] |
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6
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SPECIAL_CHARACTERS = { |
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7
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'?': '~q', |
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8
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'%': '~p', |
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9
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'#': '~h', |
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10
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'/': '~s', |
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11
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'"': "''", |
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12
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} |
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13
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14
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def __init__(self, path=None, *, translate_spaces=True): |
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15
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if path is None: |
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self._parts = [] |
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17
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elif isinstance(path, str): |
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18
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self._parts = path.split('/') |
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else: |
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assert isinstance(path, list) |
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self._parts = path |
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22
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self._translate_spaces = translate_spaces |
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23
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24
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def __str__(self): |
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25
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return ' / '.join(self.lines) |
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26
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27
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def __bool__(self): |
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28
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return bool(self.path.strip(self.SPACE + '/')) |
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29
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30
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def __getitem__(self, key): |
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31
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try: |
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32
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part = self._parts[key] |
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33
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except (IndexError, ValueError): |
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34
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return "" |
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35
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else: |
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36
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return part.strip() |
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37
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38
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@property |
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39
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def top(self): |
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40
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return self.get_line(0) |
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41
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42
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@property |
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43
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def bottom(self): |
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44
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return self.get_line(1) |
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45
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46
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@property |
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47
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def lines(self): |
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48
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lines = [] |
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49
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50
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previous_part = True |
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51
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for part in self: |
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52
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if part: |
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53
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line = self._format_line(part, self._translate_spaces) |
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54
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lines.append(line) |
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55
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elif not previous_part: |
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56
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break |
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57
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else: |
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58
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lines.append(' ') |
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59
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previous_part = part |
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60
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61
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return lines[:-1] |
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62
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63
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@property |
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64
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def path(self): |
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65
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paths = [] |
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66
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67
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for line in self.lines: |
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68
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path = self._format_path(line) |
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69
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paths.append(path) |
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70
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71
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return '/'.join(paths) |
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72
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73
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@classmethod |
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74
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def _format_line(cls, text, translate_spaces): |
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75
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for special, replacement in cls.SPECIAL_CHARACTERS.items(): |
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text = text.replace(replacement, special) |
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77
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text = text.replace(replacement.upper(), special) |
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78
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79
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chars = [] |
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80
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escape = None |
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81
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82
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for index, char in enumerate(text): |
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83
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84
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if char in cls.ALTERNATE_SPACES and translate_spaces: |
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85
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if char == escape: |
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86
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chars[-1] = escape |
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87
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escape = None |
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88
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else: |
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89
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chars.append(' ') |
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90
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escape = char |
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91
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continue |
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92
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93
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escape = None |
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94
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95
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if not char.isalpha(): |
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96
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chars.append(char) |
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97
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continue |
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98
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99
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if len(chars) >= 2: |
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100
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if char.isupper() and chars[-1].islower() and chars[-2] != ' ': |
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101
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chars.append(' ' + char) |
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102
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continue |
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103
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104
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if len(chars) >= 1 and len(text) > index + 1: |
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105
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n_char = text[index + 1] |
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106
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if char.isupper() and chars[-1].isupper() and n_char.islower(): |
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107
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chars.append(' ' + char) |
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108
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continue |
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109
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110
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chars.append(char) |
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111
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112
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return ''.join(chars).upper() |
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113
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114
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@classmethod |
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115
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def _format_path(cls, line): |
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116
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if line == ' ': |
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117
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path = cls.EMPTY |
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118
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else: |
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119
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path = line.lower() |
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120
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for space in cls.ALTERNATE_SPACES: |
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121
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path = path.replace(space, space * 2) |
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122
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path = path.replace(' ', cls.SPACE) |
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123
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for special, replacement in cls.SPECIAL_CHARACTERS.items(): |
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124
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path = path.replace(special, replacement) |
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125
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126
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return path |
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127
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128
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def get_line(self, index): |
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129
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return self._format_line(self[index], self._translate_spaces) |
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130
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jacebrowning /
memegen-flask
