diff options
Diffstat (limited to 'ipalib/text.py')
-rw-r--r-- | ipalib/text.py | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/ipalib/text.py b/ipalib/text.py index c14174843..dd6f3ff20 100644 --- a/ipalib/text.py +++ b/ipalib/text.py @@ -136,6 +136,9 @@ class LazyText(object): This class is not used directly. See the `Gettext` and `NGettext` subclasses. + + Concatenating LazyText objects with the + operator gives + ConcatenatedLazyText objects. """ __slots__ = ('domain', 'localedir', 'key', 'args') @@ -176,6 +179,12 @@ class LazyText(object): """ return not self.__eq__(other) + def __add__(self, other): + return ConcatenatedLazyText(self) + other + + def __radd__(self, other): + return other + ConcatenatedLazyText(self) + class Gettext(LazyText): """ @@ -390,6 +399,43 @@ class NGettext(LazyText): return ng(self.singular, self.plural, count) +class ConcatenatedLazyText(object): + """Concatenation of multiple strings, or any objects convertible to unicode + + Used to concatenate several LazyTexts together. + This allows large strings like help text to be split, so translators + do not have to re-translate the whole text when only a small part changes. + + Additional strings may be added to the end with the + or += operators. + """ + def __init__(self, *components): + self.components = list(components) + + def __repr__(self): + return '%s(%r)' % (self.__class__.__name__, self.components) + + def __unicode__(self): + return u''.join(unicode(c) for c in self.components) + + def __json__(self): + return unicode(self) + + def __mod__(self, kw): + return unicode(self) % kw + + def __add__(self, other): + if isinstance(other, ConcatenatedLazyText): + return ConcatenatedLazyText(*self.components + other.components) + else: + return ConcatenatedLazyText(*self.components + [other]) + + def __radd__(self, other): + if isinstance(other, ConcatenatedLazyText): + return ConcatenatedLazyText(*other.components + self.components) + else: + return ConcatenatedLazyText(*[other] + self.components) + + class GettextFactory(object): """ Factory for creating ``_()`` functions. |