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gettext Module¶
The gettext module provides internationalization (i18n) support for Python applications through message translation.
Complexity Reference¶
| Operation | Time | Space | Notes |
|---|---|---|---|
gettext.install() |
O(n) | O(n) | Load translations |
translation() |
O(n) | O(n) | Load translation catalog |
find() |
O(n) | O(1) | Locate translation file |
bindtextdomain() |
O(1) | O(1) | Set global locale dir |
textdomain() |
O(1) | O(1) | Set default domain |
| Message lookup | O(1) | O(1) | Hash-based dict |
ngettext() |
O(1) | O(1) | Plural form selection |
Basic Translation¶
Installing Gettext¶
import gettext
# Install translation - O(n)
gettext.install('myapp')
# Now use _() for translatable strings
message = _("Hello, World!")
Loading Translation Files¶
import gettext
# Load specific translation - O(n)
es = gettext.translation(
'myapp', # domain
localedir='locale',
languages=['es']
)
es.install()
# Translated strings use _()
print(_("Hello")) # Hola