Added beginnings of TimezoneLoader class to allow better extensibility of timezone loading.

In addition, turned all_timezones and common_timezones into lazy lists which do not perform file checks until evaluated.
1 file changed
tree: 4351a86ad7db531ef3e9b7681c7cf09d341b01c4
  1. pytz/
  2. .hgignore
  3. LICENSE.txt