Returns the major version number of Kaleido if it is installed, otherwise raises a ValueError.
()
| 74 | |
| 75 | |
| 76 | def kaleido_major() -> int: |
| 77 | """ |
| 78 | Returns the major version number of Kaleido if it is installed, |
| 79 | otherwise raises a ValueError. |
| 80 | """ |
| 81 | global _KALEIDO_MAJOR |
| 82 | if _KALEIDO_MAJOR is not None: |
| 83 | return _KALEIDO_MAJOR |
| 84 | if not kaleido_available(): |
| 85 | raise ValueError("Kaleido is not installed.") |
| 86 | else: |
| 87 | _KALEIDO_MAJOR = Version(importlib_metadata.version("kaleido")).major |
| 88 | return _KALEIDO_MAJOR |
| 89 | |
| 90 | |
| 91 | try: |