pytorch-lightning

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# Copyright The Lightning AI team.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#     http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Diagnose your system and show basic information.
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This server mainly to get detail info for better bug reporting.
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"""
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import os
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import platform
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import sys
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import pkg_resources
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import torch
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sys.path += [os.path.abspath(".."), os.path.abspath("")]
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LEVEL_OFFSET = "\t"
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KEY_PADDING = 20
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def info_system() -> dict:
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    return {
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        "OS": platform.system(),
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        "architecture": platform.architecture(),
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        "version": platform.version(),
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        "release": platform.release(),
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        "processor": platform.processor(),
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        "python": platform.python_version(),
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    }
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def info_cuda() -> dict:
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    return {
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        "GPU": [torch.cuda.get_device_name(i) for i in range(torch.cuda.device_count())] or None,
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        "available": torch.cuda.is_available(),
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        "version": torch.version.cuda,
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    }
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def info_packages() -> dict:
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    """Get name and version of all installed packages."""
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    packages = {}
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    for dist in pkg_resources.working_set:
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        package = dist.as_requirement()
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        packages[package.key] = package.specs[0][1]
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    return packages
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def nice_print(details: dict, level: int = 0) -> list:
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    lines = []
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    for k in sorted(details):
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        key = f"* {k}:" if level == 0 else f"- {k}:"
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        if isinstance(details[k], dict):
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            lines += [level * LEVEL_OFFSET + key]
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            lines += nice_print(details[k], level + 1)
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        elif isinstance(details[k], (set, list, tuple)):
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            lines += [level * LEVEL_OFFSET + key]
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            lines += [(level + 1) * LEVEL_OFFSET + "- " + v for v in details[k]]
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        else:
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            template = "{:%is} {}" % KEY_PADDING
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            key_val = template.format(key, details[k])
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            lines += [(level * LEVEL_OFFSET) + key_val]
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    return lines
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def main() -> None:
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    details = {"System": info_system(), "CUDA": info_cuda(), "Packages": info_packages()}
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    details["Lightning"] = {k: v for k, v in details["Packages"].items() if "torch" in k or "lightning" in k}
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    lines = nice_print(details)
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    text = os.linesep.join(lines)
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    print(f"<details>\n  <summary>Current environment</summary>\n\n{text}\n\n</details>")
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if __name__ == "__main__":
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    main()
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