Skip to content

Version Information

pydantic.__version__ module-attribute

pydantic.__version__ = VERSION

pydantic.version.version_info

pydantic.version.version_info()

Return complete version information for Pydantic and its dependencies.

Source code in pydantic/version.py
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
def version_info() -> str:
    """Return complete version information for Pydantic and its dependencies."""
    import platform
    import sys
    from pathlib import Path

    import pydantic_core._pydantic_core as pdc

    if sys.version_info >= (3, 8):
        import importlib.metadata as importlib_metadata
    else:
        import importlib_metadata

    # get data about packages that are closely related to pydantic, use pydantic or often conflict with pydantic
    package_names = {
        'email-validator',
        'fastapi',
        'mypy',
        'pydantic-extra-types',
        'pydantic-settings',
        'pyright',
        'typing_extensions',
    }
    related_packages = []

    for dist in importlib_metadata.distributions():
        name = dist.metadata['Name']
        if name in package_names:
            related_packages.append(f'{name}-{dist.version}')

    info = {
        'pydantic version': VERSION,
        'pydantic-core version': pdc.__version__,
        'pydantic-core build': getattr(pdc, 'build_info', None) or pdc.build_profile,
        'install path': Path(__file__).resolve().parent,
        'python version': sys.version,
        'platform': platform.platform(),
        'related packages': ' '.join(related_packages),
    }
    return '\n'.join('{:>30} {}'.format(k + ':', str(v).replace('\n', ' ')) for k, v in info.items())