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March 23, 2022 00:54
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draw tree structure of h5py File
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import h5py | |
def print_group(group: h5py.Group): | |
name = group.name.split('/')[-1] | |
return f"{name} ({len(group.keys())} objects)/" | |
def print_dataset(dataset: h5py.Dataset): | |
name = dataset.name.split('/')[-1] | |
return f"{name} {dataset.shape}, {dataset.dtype}" | |
def print_line(elem, last, op): | |
if op: | |
op[0] = False | |
line = "" | |
for o in op: | |
if o: | |
line += "| " | |
else: | |
line += " " | |
if last: | |
line += "└── " | |
else: | |
line += "├── " | |
if isinstance(elem, h5py.Group): | |
line += print_group(elem) | |
elif isinstance(elem, h5py.Dataset): | |
line += print_dataset(elem) | |
return line | |
def _show_group(group, last=True, op = []): | |
out = [] | |
out.append(print_line(group, last, op)) | |
for i, key in enumerate(group.keys()): | |
elem = group[key] | |
this_last = i == (len(group.keys()) - 1) | |
if isinstance(elem, h5py.Group): | |
out.extend(_show_group(elem, this_last, op + [True])) | |
if isinstance(elem, h5py.Dataset): | |
out.append(print_line(elem, this_last, op + [not last])) | |
return out | |
def file_tree(groups): | |
return '\n'.join(_show_group(file)) | |
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example output: