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| # File under the MIT license, see https://github.com/adefossez/julius/LICENSE for details. | |
| # Author: adefossez, 2020 | |
| """ | |
| Non signal processing related utilities. | |
| """ | |
| import inspect | |
| import typing as tp | |
| import sys | |
| import time | |
| def simple_repr(obj, attrs: tp.Optional[tp.Sequence[str]] = None, | |
| overrides: dict = {}): | |
| """ | |
| Return a simple representation string for `obj`. | |
| If `attrs` is not None, it should be a list of attributes to include. | |
| """ | |
| params = inspect.signature(obj.__class__).parameters | |
| attrs_repr = [] | |
| if attrs is None: | |
| attrs = list(params.keys()) | |
| for attr in attrs: | |
| display = False | |
| if attr in overrides: | |
| value = overrides[attr] | |
| elif hasattr(obj, attr): | |
| value = getattr(obj, attr) | |
| else: | |
| continue | |
| if attr in params: | |
| param = params[attr] | |
| if param.default is inspect._empty or value != param.default: # type: ignore | |
| display = True | |
| else: | |
| display = True | |
| if display: | |
| attrs_repr.append(f"{attr}={value}") | |
| return f"{obj.__class__.__name__}({','.join(attrs_repr)})" | |
| class MarkdownTable: | |
| """ | |
| Simple MarkdownTable generator. The column titles should be large enough | |
| for the lines content. This will right align everything. | |
| >>> import io # we use io purely for test purposes, default is sys.stdout. | |
| >>> file = io.StringIO() | |
| >>> table = MarkdownTable(["Item Name", "Price"], file=file) | |
| >>> table.header(); table.line(["Honey", "5"]); table.line(["Car", "5,000"]) | |
| >>> print(file.getvalue().strip()) # Strip for test purposes | |
| | Item Name | Price | | |
| |-----------|-------| | |
| | Honey | 5 | | |
| | Car | 5,000 | | |
| """ | |
| def __init__(self, columns, file=sys.stdout): | |
| self.columns = columns | |
| self.file = file | |
| def _writeln(self, line): | |
| self.file.write("|" + "|".join(line) + "|\n") | |
| def header(self): | |
| self._writeln(f" {col} " for col in self.columns) | |
| self._writeln("-" * (len(col) + 2) for col in self.columns) | |
| def line(self, line): | |
| out = [] | |
| for val, col in zip(line, self.columns): | |
| val = format(val, '>' + str(len(col))) | |
| out.append(" " + val + " ") | |
| self._writeln(out) | |
| class Chrono: | |
| """ | |
| Measures ellapsed time, calling `torch.cuda.synchronize` if necessary. | |
| `Chrono` instances can be used as context managers (e.g. with `with`). | |
| Upon exit of the block, you can access the duration of the block in seconds | |
| with the `duration` attribute. | |
| >>> with Chrono() as chrono: | |
| ... _ = sum(range(10_000)) | |
| ... | |
| >>> print(chrono.duration < 10) # Should be true unless on a really slow computer. | |
| True | |
| """ | |
| def __init__(self): | |
| self.duration = None | |
| def __enter__(self): | |
| self._begin = time.time() | |
| return self | |
| def __exit__(self, exc_type, exc_value, exc_tracebck): | |
| import torch | |
| if torch.cuda.is_available(): | |
| torch.cuda.synchronize() | |
| self.duration = time.time() - self._begin | |