Return True if all license keys of ``license_expression`` are lowercase.
(license_expression, licensing=Licensing())
| 2225 | |
| 2226 | |
| 2227 | def has_only_lower_license_keys(license_expression, licensing=Licensing()): |
| 2228 | """ |
| 2229 | Return True if all license keys of ``license_expression`` are lowercase. |
| 2230 | """ |
| 2231 | return all( |
| 2232 | k == k.lower() |
| 2233 | for k in licensing.license_keys(license_expression, unique=False) |
| 2234 | ) |
| 2235 | |
| 2236 | |
| 2237 | def check_is_list_of_strings(l): |