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#!/usr/bin/env python |
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""" |
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A utility for getting d3 friendly hierarchical data structures |
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from the list of files and directories on a given path. |
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Re-purposed from: |
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github.com/christabor/MoAL/blob/master/MOAL/get_file_tree.py |
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""" |
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import os |
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from pprint import pprint |
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import errno |
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import json |
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import click |
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def path_hierarchy(path): |
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"""Create a json representation of a file tree. |
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Format is suitable for d3.js application. |
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Taken from: |
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http://unix.stackexchange.com/questions/164602/ |
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how-to-output-the-directory-structure-to-json-format |
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""" |
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name = os.path.basename(path) |
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hierarchy = { |
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'type': 'folder', |
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'name': name, |
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'path': path, |
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} |
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try: |
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hierarchy['children'] = [ |
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path_hierarchy(os.path.join(path, contents)) |
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for contents in os.listdir(path) |
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] |
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except OSError as e: |
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if e.errno != errno.ENOTDIR: |
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raise |
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hierarchy['type'] = 'file' |
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return hierarchy |
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@click.command() |
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@click.option('--ppr/--no-ppr', |
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default=False, |
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help='Pretty-print results.') |
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@click.option('--indent', '-i', |
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default=4, |
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help='How far to indent if using json.') |
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@click.option('--jsonfile', '-j', |
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default=None, |
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help='Output specified file as json.') |
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@click.option('--path', '-p', |
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default='.', |
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help='The starting path') |
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def get_tree(path, jsonfile, ppr, indent): |
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"""CLI wrapper for recursive function.""" |
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res = path_hierarchy(path) |
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if jsonfile is not None: |
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with open(jsonfile, 'wb+') as jsonfile: |
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jsonfile.write(json.dumps(res, indent=indent)) |
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return |
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if ppr: |
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pprint(res, indent=indent) |
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else: |
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print(res) |
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if __name__ == '__main__': |
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get_tree() |
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christabor /
flask_jsondash
