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1
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""" a module to convert between the old (Python script) segment format,
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2
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and the new (JSON) one
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3
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"""
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4
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1
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from typing import Dict, Tuple # noqa: F401
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5
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1
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import os
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6
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1
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import ast
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7
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1
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import json
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8
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9
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10
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1
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def assess_syntax(path):
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11
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12
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1
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with open(path) as file_obj:
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13
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1
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content = file_obj.read()
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14
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15
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1
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syntax_tree = ast.parse(content)
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16
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17
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1
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docstring = "" # docstring = ast.get_docstring(syntaxTree)
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18
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1
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dct = None
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19
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dtype = None
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20
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1
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for i, child in enumerate(ast.iter_child_nodes(syntax_tree)):
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21
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1
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if i == 0 and isinstance(child, ast.Expr) and isinstance(child.value, ast.Str):
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22
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0
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docstring = child.value.s
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23
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1
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elif isinstance(child, ast.Assign):
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24
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1
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targets = child.targets
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25
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1
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if len(targets) > 1:
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26
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0
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continue
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27
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target = child.targets[0] # type: ast.Name
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28
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1
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dtype = target.id
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29
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1
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if dtype not in ["tpl_dict", "tplx_dict"]:
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30
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0
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continue
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|
31
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1
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if not isinstance(child.value, ast.Dict):
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|
32
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0
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raise ValueError(
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33
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"expected {} to be of type Dict: {}".format(dtype, child.value)
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|
34
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)
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35
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1
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dct = child.value
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|
36
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1
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break
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|
37
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|
|
38
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1
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if dct is None:
|
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39
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0
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raise IOError("could not find tpl(x)_dict")
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|
40
|
|
|
|
41
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1
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output = {}
|
|
42
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1
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for key, value in zip(dct.keys, dct.values):
|
|
43
|
1
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if not isinstance(key, ast.Str):
|
|
44
|
0
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raise ValueError("expected {} key to be of type Str: {}".format(dtype, key))
|
|
45
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1
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if not isinstance(value, ast.Str):
|
|
46
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0
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raise ValueError(
|
|
47
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"expected {} value be of type Str: {}".format(dtype, value)
|
|
48
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|
)
|
|
49
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1
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output[key.s] = value.s
|
|
50
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|
|
|
51
|
1
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return {
|
|
52
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"identifier": os.path.splitext(os.path.basename(path))[0],
|
|
53
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"description": docstring,
|
|
54
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"segments": output,
|
|
55
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"$schema": "../../schema/segment.schema.json",
|
|
56
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}
|
|
57
|
|
|
|
58
|
|
|
|
59
|
1
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def py_to_json(path, outpath=None):
|
|
60
|
1
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output = assess_syntax(path)
|
|
61
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1
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if outpath:
|
|
62
|
0
|
with open(outpath, "w") as file_obj:
|
|
63
|
0
|
json.dump(output, file_obj, indent=2)
|
|
64
|
1
|
return json.dumps(output, indent=2)
|
|
65
|
|
|
|
66
|
|
|
|
67
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1
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if __name__ == "__main__":
|
|
68
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0
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import glob
|
|
69
|
|
|
|
70
|
0
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_dir_path = os.path.dirname(os.path.realpath(__file__))
|
|
71
|
0
|
_ext = ".tpl.json"
|
|
72
|
|
|
|
73
|
0
|
for _path in glob.glob(os.path.join(_dir_path, "**", "*.py")):
|
|
74
|
|
|
|
75
|
0
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_name = os.path.splitext(os.path.basename(_path))[0]
|
|
76
|
0
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_folder = os.path.basename(os.path.dirname(_path))
|
|
77
|
0
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if _folder == "ipypublish":
|
|
78
|
0
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_prefix = "ipy-"
|
|
79
|
|
else:
|
|
80
|
0
|
_prefix = "std-"
|
|
81
|
|
|
|
82
|
0
|
_outpath = os.path.join(os.path.dirname(_path), _prefix + _name + _ext)
|
|
83
|
|
|
|
84
|
0
|
py_to_json(_path, _outpath)
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chrisjsewell