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annotate image_math.py @ 0:33b2ca53a566 draft

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planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
author imgteam
date Sat, 09 Mar 2024 22:04:19 +0000
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children 48fa3ac55df2
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33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
imgteam
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diff changeset
1 import argparse
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
imgteam
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2 import ast
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
imgteam
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3 import operator
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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4
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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5 import numpy as np
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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6 import skimage.io
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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7
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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8
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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9 supported_operators = {
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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10 ast.Add: operator.add,
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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11 ast.Sub: operator.sub,
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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12 ast.Mult: operator.mul,
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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13 ast.Div: operator.truediv,
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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14 ast.FloorDiv: operator.floordiv,
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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15 ast.Pow: operator.pow,
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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16 ast.USub: operator.neg,
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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17 }
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19
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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20 supported_functions = {
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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21 'sqrt': np.sqrt,
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22 'abs': abs,
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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23 }
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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26 def eval_ast_node(node, inputs):
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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27 """
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28 Evaluates a node of the syntax tree.
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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29 """
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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30
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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31 # Numeric constants evaluate to numeric values.
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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32 if isinstance(node, ast.Constant):
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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33 assert type(node.value) in (int, float)
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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34 return node.value
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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35
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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36 # Variables are looked up from the inputs and resolved.
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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37 if isinstance(node, ast.Name):
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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38 assert node.id in inputs.keys()
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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39 return inputs[node.id]
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40
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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41 # Binary operators are evaluated based on the `supported_operators` dictionary.
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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42 if isinstance(node, ast.BinOp):
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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43 assert type(node.op) in supported_operators.keys(), node.op
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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44 op = supported_operators[type(node.op)]
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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45 return op(eval_ast_node(node.left, inputs), eval_ast_node(node.right, inputs))
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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46
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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47 # Unary operators are evaluated based on the `supported_operators` dictionary.
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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48 if isinstance(node, ast.UnaryOp):
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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49 assert type(node.op) in supported_operators.keys(), node.op
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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50 op = supported_operators[type(node.op)]
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51 return op(eval_ast_node(node.operand, inputs))
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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52
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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53 # Function calls are evaluated based on the `supported_functions` dictionary.
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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54 if isinstance(node, ast.Call):
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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55 assert len(node.args) == 1 and len(node.keywords) == 0
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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56 assert node.func.id in supported_functions.keys(), node.func.id
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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57 func = supported_functions[node.func.id]
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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58 return func(eval_ast_node(node.args[0], inputs))
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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59
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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60 # The node is unsupported and could not be evaluated.
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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61 raise TypeError(f'Unsupported node type: "{node}"')
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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62
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63
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64 def eval_expression(expr, inputs):
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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65 return eval_ast_node(ast.parse(expr, mode='eval').body, inputs)
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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66
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67
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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68 if __name__ == '__main__':
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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69
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70 parser = argparse.ArgumentParser()
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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71 parser.add_argument('--expression', type=str, required=True)
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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72 parser.add_argument('--output', type=str, required=True)
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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73 parser.add_argument('--input', default=list(), action='append', required=True)
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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74 args = parser.parse_args()
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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75
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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76 inputs = dict()
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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77 im_shape = None
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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78 for input in args.input:
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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79 name, filepath = input.split(':')
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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80 im = skimage.io.imread(filepath)
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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81 assert name not in inputs, 'Input name "{name}" is ambiguous.'
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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82 inputs[name] = im
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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83 if im_shape is None:
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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84 im_shape = im.shape
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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85 else:
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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86 assert im.shape == im_shape, 'Input images differ in size and/or number of channels.'
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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87
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88 result = eval_expression(args.expression, inputs)
33b2ca53a566 planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/image_math commit b356d76025941b691c156f8ff931cd759d35b107
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89
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90 skimage.io.imsave(args.output, result)