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| a | b/trp.py | ||
|---|---|---|---|
| 1 | import json |
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| 2 | |||
| 3 | class BoundingBox: |
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| 4 | def __init__(self, width, height, left, top): |
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| 5 | self._width = width |
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| 6 | self._height = height |
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| 7 | self._left = left |
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| 8 | self._top = top |
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| 9 | |||
| 10 | def __str__(self): |
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| 11 | return "width: {}, height: {}, left: {}, top: {}".format(self._width, self._height, self._left, self._top) |
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| 12 | |||
| 13 | @property |
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| 14 | def width(self): |
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| 15 | return self._width |
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| 16 | |||
| 17 | @property |
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| 18 | def height(self): |
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| 19 | return self._height |
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| 20 | |||
| 21 | @property |
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| 22 | def left(self): |
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| 23 | return self._left |
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| 24 | |||
| 25 | @property |
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| 26 | def top(self): |
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| 27 | return self._top |
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| 28 | |||
| 29 | class Polygon: |
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| 30 | def __init__(self, x, y): |
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| 31 | self._x = x |
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| 32 | self._y = y |
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| 33 | |||
| 34 | def __str__(self): |
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| 35 | return "x: {}, y: {}".format(self._x, self._y) |
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| 36 | |||
| 37 | @property |
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| 38 | def x(self): |
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| 39 | return self._x |
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| 40 | |||
| 41 | @property |
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| 42 | def y(self): |
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| 43 | return self._y |
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| 44 | |||
| 45 | class Geometry: |
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| 46 | def __init__(self, geometry): |
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| 47 | boundingBox = geometry["BoundingBox"] |
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| 48 | polygon = geometry["Polygon"] |
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| 49 | bb = BoundingBox(boundingBox["Width"], boundingBox["Height"], boundingBox["Left"], boundingBox["Top"]) |
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| 50 | pgs = [] |
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| 51 | for pg in polygon: |
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| 52 | pgs.append(Polygon(pg["X"], pg["Y"])) |
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| 53 | |||
| 54 | self._boundingBox = bb |
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| 55 | self._polygon = pgs |
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| 56 | |||
| 57 | def __str__(self): |
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| 58 | s = "BoundingBox: {}\n".format(str(self._boundingBox)) |
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| 59 | return s |
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| 60 | |||
| 61 | @property |
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| 62 | def boundingBox(self): |
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| 63 | return self._boundingBox |
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| 64 | |||
| 65 | @property |
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| 66 | def polygon(self): |
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| 67 | return self._polygon |
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| 68 | |||
| 69 | class Word: |
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| 70 | def __init__(self, block, blockMap): |
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| 71 | self._block = block |
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| 72 | self._confidence = block['Confidence'] |
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| 73 | self._geometry = Geometry(block['Geometry']) |
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| 74 | self._id = block['Id'] |
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| 75 | self._text = "" |
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| 76 | if(block['Text']): |
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| 77 | self._text = block['Text'] |
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| 78 | |||
| 79 | def __str__(self): |
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| 80 | return self._text |
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| 81 | |||
| 82 | @property |
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| 83 | def confidence(self): |
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| 84 | return self._confidence |
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| 85 | |||
| 86 | @property |
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| 87 | def geometry(self): |
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| 88 | return self._geometry |
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| 89 | |||
| 90 | @property |
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| 91 | def id(self): |
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| 92 | return self._id |
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| 93 | |||
| 94 | @property |
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| 95 | def text(self): |
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| 96 | return self._text |
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| 97 | |||
| 98 | @property |
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| 99 | def block(self): |
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| 100 | return self._block |
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| 101 | |||
| 102 | class Line: |
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| 103 | def __init__(self, block, blockMap): |
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| 104 | |||
| 105 | self._block = block |
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| 106 | self._confidence = block['Confidence'] |
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| 107 | self._geometry = Geometry(block['Geometry']) |
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| 108 | self._id = block['Id'] |
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| 109 | |||
| 110 | self._text = "" |
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| 111 | if(block['Text']): |
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| 112 | self._text = block['Text'] |
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| 113 | |||
| 114 | self._words = [] |
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| 115 | if('Relationships' in block and block['Relationships']): |
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| 116 | for rs in block['Relationships']: |
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| 117 | if(rs['Type'] == 'CHILD'): |
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| 118 | for cid in rs['Ids']: |
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| 119 | if(blockMap[cid]["BlockType"] == "WORD"): |
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| 120 | self._words.append(Word(blockMap[cid], blockMap)) |
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| 121 | def __str__(self): |
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| 122 | s = "Line\n==========\n" |
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| 123 | s = s + self._text + "\n" |
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| 124 | s = s + "Words\n----------\n" |
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| 125 | for word in self._words: |
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| 126 | s = s + "[{}]".format(str(word)) |
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| 127 | return s |
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| 128 | |||
| 129 | @property |
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| 130 | def confidence(self): |
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| 131 | return self._confidence |
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| 132 | |||
| 133 | @property |
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| 134 | def geometry(self): |
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| 135 | return self._geometry |
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| 136 | |||
| 137 | @property |
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| 138 | def id(self): |
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| 139 | return self._id |
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| 140 | |||
| 141 | @property |
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| 142 | def words(self): |
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| 143 | return self._words |
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| 144 | |||
| 145 | @property |
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| 146 | def text(self): |
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| 147 | return self._text |
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| 148 | |||
| 149 | @property |
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| 150 | def block(self): |
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| 151 | return self._block |
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| 152 | |||
| 153 | class SelectionElement: |
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| 154 | def __init__(self, block, blockMap): |
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| 155 | self._confidence = block['Confidence'] |
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| 156 | self._geometry = Geometry(block['Geometry']) |
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| 157 | self._id = block['Id'] |
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| 158 | self._selectionStatus = block['SelectionStatus'] |
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| 159 | |||
| 160 | @property |
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| 161 | def confidence(self): |
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| 162 | return self._confidence |
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| 163 | |||
| 164 | @property |
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| 165 | def geometry(self): |
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| 166 | return self._geometry |
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| 167 | |||
| 168 | @property |
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| 169 | def id(self): |
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| 170 | return self._id |
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| 171 | |||
| 172 | @property |
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| 173 | def selectionStatus(self): |
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| 174 | return self._selectionStatus |
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| 175 | |||
| 176 | class FieldKey: |
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| 177 | def __init__(self, block, children, blockMap): |
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| 178 | self._block = block |
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| 179 | self._confidence = block['Confidence'] |
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| 180 | self._geometry = Geometry(block['Geometry']) |
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| 181 | self._id = block['Id'] |
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| 182 | self._text = "" |
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| 183 | self._content = [] |
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| 184 | |||
| 185 | t = [] |
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| 186 | |||
| 187 | for eid in children: |
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| 188 | wb = blockMap[eid] |
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| 189 | if(wb['BlockType'] == "WORD"): |
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| 190 | w = Word(wb, blockMap) |
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| 191 | self._content.append(w) |
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| 192 | t.append(w.text) |
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| 193 | |||
| 194 | if(t): |
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| 195 | self._text = ' '.join(t) |
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| 196 | |||
| 197 | def __str__(self): |
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| 198 | return self._text |
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| 199 | |||
| 200 | @property |
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| 201 | def confidence(self): |
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| 202 | return self._confidence |
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| 203 | |||
| 204 | @property |
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| 205 | def geometry(self): |
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| 206 | return self._geometry |
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| 207 | |||
| 208 | @property |
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| 209 | def id(self): |
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| 210 | return self._id |
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| 211 | |||
| 212 | @property |
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| 213 | def content(self): |
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| 214 | return self._content |
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| 215 | |||
| 216 | @property |
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| 217 | def text(self): |
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| 218 | return self._text |
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| 219 | |||
| 220 | @property |
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| 221 | def block(self): |
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| 222 | return self._block |
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| 223 | |||
| 224 | class FieldValue: |
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| 225 | def __init__(self, block, children, blockMap): |
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| 226 | self._block = block |
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| 227 | self._confidence = block['Confidence'] |
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| 228 | self._geometry = Geometry(block['Geometry']) |
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| 229 | self._id = block['Id'] |
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| 230 | self._text = "" |
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| 231 | self._content = [] |
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| 232 | |||
| 233 | t = [] |
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| 234 | |||
| 235 | for eid in children: |
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| 236 | wb = blockMap[eid] |
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| 237 | if(wb['BlockType'] == "WORD"): |
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| 238 | w = Word(wb, blockMap) |
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| 239 | self._content.append(w) |
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| 240 | t.append(w.text) |
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| 241 | elif(wb['BlockType'] == "SELECTION_ELEMENT"): |
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| 242 | se = SelectionElement(wb, blockMap) |
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| 243 | self._content.append(se) |
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| 244 | self._text = se.selectionStatus |
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| 245 | |||
| 246 | if(t): |
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| 247 | self._text = ' '.join(t) |
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| 248 | |||
| 249 | def __str__(self): |
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| 250 | return self._text |
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| 251 | |||
| 252 | @property |
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| 253 | def confidence(self): |
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| 254 | return self._confidence |
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| 255 | |||
| 256 | @property |
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| 257 | def geometry(self): |
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| 258 | return self._geometry |
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| 259 | |||
| 260 | @property |
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| 261 | def id(self): |
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| 262 | return self._id |
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| 263 | |||
| 264 | @property |
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| 265 | def content(self): |
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| 266 | return self._content |
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| 267 | |||
| 268 | @property |
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| 269 | def text(self): |
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| 270 | return self._text |
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| 271 | |||
| 272 | @property |
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| 273 | def block(self): |
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| 274 | return self._block |
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| 275 | |||
| 276 | class Field: |
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| 277 | def __init__(self, block, blockMap): |
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| 278 | self._key = None |
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| 279 | self._value = None |
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| 280 | |||
| 281 | for item in block['Relationships']: |
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| 282 | if(item["Type"] == "CHILD"): |
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| 283 | self._key = FieldKey(block, item['Ids'], blockMap) |
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| 284 | elif(item["Type"] == "VALUE"): |
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| 285 | for eid in item['Ids']: |
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| 286 | vkvs = blockMap[eid] |
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| 287 | if 'VALUE' in vkvs['EntityTypes']: |
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| 288 | if('Relationships' in vkvs): |
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| 289 | for vitem in vkvs['Relationships']: |
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| 290 | if(vitem["Type"] == "CHILD"): |
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| 291 | self._value = FieldValue(vkvs, vitem['Ids'], blockMap) |
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| 292 | def __str__(self): |
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| 293 | s = "\nField\n==========\n" |
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| 294 | k = "" |
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| 295 | v = "" |
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| 296 | if(self._key): |
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| 297 | k = str(self._key) |
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| 298 | if(self._value): |
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| 299 | v = str(self._value) |
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| 300 | s = s + "Key: {}\nValue: {}".format(k, v) |
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| 301 | return s |
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| 302 | |||
| 303 | @property |
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| 304 | def key(self): |
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| 305 | return self._key |
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| 306 | |||
| 307 | @property |
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| 308 | def value(self): |
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| 309 | return self._value |
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| 310 | |||
| 311 | class Form: |
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| 312 | def __init__(self): |
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| 313 | self._fields = [] |
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| 314 | self._fieldsMap = {} |
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| 315 | |||
| 316 | def addField(self, field): |
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| 317 | self._fields.append(field) |
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| 318 | self._fieldsMap[field.key.text] = field |
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| 319 | |||
| 320 | def __str__(self): |
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| 321 | s = "" |
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| 322 | for field in self._fields: |
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| 323 | s = s + str(field) + "\n" |
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| 324 | return s |
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| 325 | |||
| 326 | @property |
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| 327 | def fields(self): |
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| 328 | return self._fields |
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| 329 | |||
| 330 | def getFieldByKey(self, key): |
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| 331 | field = None |
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| 332 | if(key in self._fieldsMap): |
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| 333 | field = self._fieldsMap[key] |
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| 334 | return field |
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| 335 | |||
| 336 | def searchFieldsByKey(self, key): |
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| 337 | searchKey = key.lower() |
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| 338 | results = [] |
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| 339 | for field in self._fields: |
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| 340 | if(field.key and searchKey in field.key.text.lower()): |
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| 341 | results.append(field) |
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| 342 | return results |
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| 343 | |||
| 344 | class Cell: |
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| 345 | |||
| 346 | def __init__(self, block, blockMap): |
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| 347 | self._block = block |
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| 348 | self._confidence = block['Confidence'] |
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| 349 | self._rowIndex = block['RowIndex'] |
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| 350 | self._columnIndex = block['ColumnIndex'] |
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| 351 | self._rowSpan = block['RowSpan'] |
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| 352 | self._columnSpan = block['ColumnSpan'] |
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| 353 | self._geometry = Geometry(block['Geometry']) |
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| 354 | self._id = block['Id'] |
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| 355 | self._content = [] |
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| 356 | self._text = "" |
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| 357 | if('Relationships' in block and block['Relationships']): |
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| 358 | for rs in block['Relationships']: |
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| 359 | if(rs['Type'] == 'CHILD'): |
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| 360 | for cid in rs['Ids']: |
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| 361 | blockType = blockMap[cid]["BlockType"] |
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| 362 | if(blockType == "WORD"): |
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| 363 | w = Word(blockMap[cid], blockMap) |
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| 364 | self._content.append(w) |
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| 365 | self._text = self._text + w.text + ' ' |
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| 366 | elif(blockType == "SELECTION_ELEMENT"): |
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| 367 | se = SelectionElement(blockMap[cid], blockMap) |
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| 368 | self._content.append(se) |
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| 369 | self._text = self._text + se.selectionStatus + ', ' |
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| 370 | |||
| 371 | def __str__(self): |
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| 372 | return self._text |
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| 373 | |||
| 374 | @property |
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| 375 | def confidence(self): |
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| 376 | return self._confidence |
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| 377 | |||
| 378 | @property |
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| 379 | def rowIndex(self): |
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| 380 | return self._rowIndex |
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| 381 | |||
| 382 | @property |
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| 383 | def columnIndex(self): |
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| 384 | return self._columnIndex |
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| 385 | |||
| 386 | @property |
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| 387 | def rowSpan(self): |
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| 388 | return self._rowSpan |
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| 389 | |||
| 390 | @property |
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| 391 | def columnSpan(self): |
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| 392 | return self._columnSpan |
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| 393 | |||
| 394 | @property |
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| 395 | def geometry(self): |
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| 396 | return self._geometry |
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| 397 | |||
| 398 | @property |
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| 399 | def id(self): |
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| 400 | return self._id |
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| 401 | |||
| 402 | @property |
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| 403 | def content(self): |
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| 404 | return self._content |
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| 405 | |||
| 406 | @property |
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| 407 | def text(self): |
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| 408 | return self._text |
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| 409 | |||
| 410 | @property |
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| 411 | def block(self): |
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| 412 | return self._block |
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| 413 | |||
| 414 | class Row: |
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| 415 | def __init__(self): |
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| 416 | self._cells = [] |
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| 417 | |||
| 418 | def __str__(self): |
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| 419 | s = "" |
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| 420 | for cell in self._cells: |
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| 421 | s = s + "[{}]".format(str(cell)) |
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| 422 | return s |
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| 423 | |||
| 424 | @property |
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| 425 | def cells(self): |
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| 426 | return self._cells |
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| 427 | |||
| 428 | class Table: |
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| 429 | |||
| 430 | def __init__(self, block, blockMap): |
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| 431 | |||
| 432 | self._block = block |
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| 433 | |||
| 434 | self._confidence = block['Confidence'] |
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| 435 | self._geometry = Geometry(block['Geometry']) |
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| 436 | |||
| 437 | self._id = block['Id'] |
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| 438 | self._rows = [] |
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| 439 | |||
| 440 | ri = 1 |
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| 441 | row = Row() |
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| 442 | cell = None |
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| 443 | if('Relationships' in block and block['Relationships']): |
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| 444 | for rs in block['Relationships']: |
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| 445 | if(rs['Type'] == 'CHILD'): |
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| 446 | for cid in rs['Ids']: |
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| 447 | cell = Cell(blockMap[cid], blockMap) |
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| 448 | if(cell.rowIndex > ri): |
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| 449 | self._rows.append(row) |
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| 450 | row = Row() |
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| 451 | ri = cell.rowIndex |
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| 452 | row.cells.append(cell) |
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| 453 | if(row and row.cells): |
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| 454 | self._rows.append(row) |
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| 455 | |||
| 456 | def __str__(self): |
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| 457 | s = "Table\n==========\n" |
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| 458 | for row in self._rows: |
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| 459 | s = s + "Row\n==========\n" |
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| 460 | s = s + str(row) + "\n" |
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| 461 | return s |
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| 462 | |||
| 463 | @property |
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| 464 | def confidence(self): |
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| 465 | return self._confidence |
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| 466 | |||
| 467 | @property |
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| 468 | def geometry(self): |
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| 469 | return self._geometry |
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| 470 | |||
| 471 | @property |
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| 472 | def id(self): |
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| 473 | return self._id |
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| 474 | |||
| 475 | @property |
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| 476 | def rows(self): |
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| 477 | return self._rows |
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| 478 | |||
| 479 | @property |
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| 480 | def block(self): |
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| 481 | return self._block |
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| 482 | |||
| 483 | class Page: |
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| 484 | |||
| 485 | def __init__(self, blocks, blockMap): |
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| 486 | self._blocks = blocks |
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| 487 | self._text = "" |
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| 488 | self._lines = [] |
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| 489 | self._form = Form() |
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| 490 | self._tables = [] |
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| 491 | self._content = [] |
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| 492 | |||
| 493 | self._parse(blockMap) |
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| 494 | |||
| 495 | def __str__(self): |
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| 496 | s = "Page\n==========\n" |
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| 497 | for item in self._content: |
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| 498 | s = s + str(item) + "\n" |
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| 499 | return s |
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| 500 | |||
| 501 | def _parse(self, blockMap): |
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| 502 | for item in self._blocks: |
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| 503 | if item["BlockType"] == "PAGE": |
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| 504 | self._geometry = Geometry(item['Geometry']) |
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| 505 | self._id = item['Id'] |
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| 506 | elif item["BlockType"] == "LINE": |
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| 507 | l = Line(item, blockMap) |
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| 508 | self._lines.append(l) |
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| 509 | self._content.append(l) |
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| 510 | self._text = self._text + l.text + '\n' |
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| 511 | elif item["BlockType"] == "TABLE": |
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| 512 | t = Table(item, blockMap) |
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| 513 | self._tables.append(t) |
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| 514 | self._content.append(t) |
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| 515 | elif item["BlockType"] == "KEY_VALUE_SET": |
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| 516 | if 'KEY' in item['EntityTypes']: |
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| 517 | f = Field(item, blockMap) |
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| 518 | if(f.key): |
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| 519 | self._form.addField(f) |
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| 520 | self._content.append(f) |
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| 521 | else: |
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| 522 | print("WARNING: Detected K/V where key does not have content. Excluding key from output.") |
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| 523 | print(f) |
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| 524 | print(item) |
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| 525 | |||
| 526 | def getLinesInReadingOrder(self): |
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| 527 | columns = [] |
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| 528 | lines = [] |
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| 529 | for item in self._lines: |
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| 530 | column_found=False |
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| 531 | for index, column in enumerate(columns): |
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| 532 | bbox_left = item.geometry.boundingBox.left |
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| 533 | bbox_right = item.geometry.boundingBox.left + item.geometry.boundingBox.width |
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| 534 | bbox_centre = item.geometry.boundingBox.left + item.geometry.boundingBox.width/2 |
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| 535 | column_centre = column['left'] + column['right']/2 |
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| 536 | if (bbox_centre > column['left'] and bbox_centre < column['right']) or (column_centre > bbox_left and column_centre < bbox_right): |
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| 537 | #Bbox appears inside the column |
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| 538 | lines.append([index, item.text]) |
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| 539 | column_found=True |
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| 540 | break |
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| 541 | if not column_found: |
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| 542 | columns.append({'left':item.geometry.boundingBox.left, 'right':item.geometry.boundingBox.left + item.geometry.boundingBox.width}) |
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| 543 | lines.append([len(columns)-1, item.text]) |
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| 544 | |||
| 545 | lines.sort(key=lambda x: x[0]) |
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| 546 | return lines |
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| 547 | |||
| 548 | def getTextInReadingOrder(self): |
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| 549 | lines = self.getLinesInReadingOrder() |
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| 550 | text = "" |
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| 551 | for line in lines: |
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| 552 | text = text + line[1] + '\n' |
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| 553 | return text |
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| 554 | |||
| 555 | @property |
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| 556 | def blocks(self): |
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| 557 | return self._blocks |
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| 558 | |||
| 559 | @property |
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| 560 | def text(self): |
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| 561 | return self._text |
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| 562 | |||
| 563 | @property |
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| 564 | def lines(self): |
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| 565 | return self._lines |
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| 566 | |||
| 567 | @property |
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| 568 | def form(self): |
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| 569 | return self._form |
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| 570 | |||
| 571 | @property |
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| 572 | def tables(self): |
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| 573 | return self._tables |
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| 574 | |||
| 575 | @property |
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| 576 | def content(self): |
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| 577 | return self._content |
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| 578 | |||
| 579 | @property |
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| 580 | def geometry(self): |
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| 581 | return self._geometry |
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| 582 | |||
| 583 | @property |
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| 584 | def id(self): |
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| 585 | return self._id |
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| 586 | |||
| 587 | class Document: |
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| 588 | |||
| 589 | def __init__(self, responsePages): |
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| 590 | |||
| 591 | if(not isinstance(responsePages, list)): |
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| 592 | rps = [] |
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| 593 | rps.append(responsePages) |
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| 594 | responsePages = rps |
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| 595 | |||
| 596 | self._responsePages = responsePages |
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| 597 | self._pages = [] |
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| 598 | |||
| 599 | self._parse() |
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| 600 | |||
| 601 | def __str__(self): |
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| 602 | s = "\nDocument\n==========\n" |
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| 603 | for p in self._pages: |
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| 604 | s = s + str(p) + "\n\n" |
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| 605 | return s |
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| 606 | |||
| 607 | def _parseDocumentPagesAndBlockMap(self): |
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| 608 | |||
| 609 | blockMap = {} |
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| 610 | |||
| 611 | documentPages = [] |
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| 612 | documentPage = None |
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| 613 | for page in self._responsePages: |
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| 614 | for block in page['Blocks']: |
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| 615 | if('BlockType' in block and 'Id' in block): |
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| 616 | blockMap[block['Id']] = block |
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| 617 | |||
| 618 | if(block['BlockType'] == 'PAGE'): |
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| 619 | if(documentPage): |
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| 620 | documentPages.append({"Blocks" : documentPage}) |
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| 621 | documentPage = [] |
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| 622 | documentPage.append(block) |
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| 623 | else: |
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| 624 | documentPage.append(block) |
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| 625 | if(documentPage): |
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| 626 | documentPages.append({"Blocks" : documentPage}) |
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| 627 | return documentPages, blockMap |
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| 628 | |||
| 629 | def _parse(self): |
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| 630 | |||
| 631 | self._responseDocumentPages, self._blockMap = self._parseDocumentPagesAndBlockMap() |
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| 632 | for documentPage in self._responseDocumentPages: |
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| 633 | page = Page(documentPage["Blocks"], self._blockMap) |
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| 634 | self._pages.append(page) |
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| 635 | |||
| 636 | @property |
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| 637 | def blocks(self): |
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| 638 | return self._responsePages |
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| 639 | |||
| 640 | @property |
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| 641 | def pageBlocks(self): |
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| 642 | return self._responseDocumentPages |
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| 643 | |||
| 644 | @property |
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| 645 | def pages(self): |
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| 646 | return self._pages |
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| 647 | |||
| 648 | def getBlockById(self, blockId): |
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| 649 | block = None |
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| 650 | if(self._blockMap and blockId in self._blockMap): |
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| 651 | block = self._blockMap[blockId] |
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| 652 | return block |