def render_translation(self,
translation_template,
params,
source_string,
language_code,
escape=False):
"""Replace the variables in the ICU translation and return the final
string in the given language.
If any error occurs during rendering, the error policy is invoked.
"""
try:
return StringRenderer.render(
source_string=source_string,
string_to_render=translation_template,
language_code=language_code,
escape=escape,
missing_policy=self._missing_policy,
params=params,
)
except Exception:
return self._error_policy.get(
source_string=source_string,
translation=translation_template,
language_code=language_code,
escape=escape,
params=params,
)
def test_simple_render_with_translation(self):
translation = StringRenderer.render(
u'{cnt, plural, one {{cnt} table} other {{cnt} tables}}',
u'{cnt, plural, one {{cnt} τραπέζι} other {{cnt} τραπέζια}}',
'en',
escape=True,
missing_policy=SourceStringPolicy(),
params={'cnt': 2},
)
assert translation == u'2 τραπέζια'
def test_simple_render_unescaped(self):
translation = StringRenderer.render(
JS_SCRIPT,
JS_SCRIPT,
'en',
escape=False,
missing_policy=SourceStringPolicy(),
params={'cnt': 2},
)
assert translation == JS_SCRIPT
def _complex(self, **params):
params = dict(params)
params.update({'host': "Jane", 'guest': "Joe"})
return StringRenderer.render(
COMPLEX_STRINGS,
None,
'en',
escape=True,
missing_policy=SourceStringPolicy(),
params=params,
)
def test_simple_render_escaped_with_missing_translation(self):
translation = StringRenderer.render(
JS_SCRIPT,
None,
'en',
escape=True,
missing_policy=SourceStringPolicy(),
params={'cnt': 2},
)
assert translation == (
u'<script type="text/javascript">alert(1)</script>'
)
def test_no_missing_policy_and_error_raises_exception(self):
with pytest.raises(Exception) as exc_info:
translation = StringRenderer.render(
'source',
'',
'en',
escape=True,
missing_policy=None,
)
assert str(exc_info.value) == (
'No string to render and no missing policy defined! '
'(Source String: `source`)')
def test_simple_render_with_missing_translation(self):
translation = StringRenderer.render(
u'{cnt, plural, one {{cnt} table} other {{cnt} tables}}',
None,
'en',
escape=True,
missing_policy=SourceStringPolicy(),
params={'cnt': 2},
)
# Should fall back to source
assert translation == u'2 tables'
translation = StringRenderer.render(
u'{cnt, plural, one {{cnt} table} other {{cnt} tables}}',
None,
'en',
escape=True,
missing_policy=PseudoTranslationPolicy(),
params={'cnt': 2},
)
# Should use the proper missing policy
assert translation == u'2 ťàƀĺêš'
def test_error_raises_exception(self, mock_logger, mock_escape):
mock_escape.side_effect = Exception
with pytest.raises(Exception):
translation = StringRenderer.render(
'Source String',
'Translation',
'en',
escape=True,
missing_policy=SourceStringPolicy(),
)
mock_logger.error.assert_called_with(
'RenderingError: Could not render string `%s` in language `%s` '
'with parameters `%s` (Error: %s, Source String: %s)',
'Translation', 'en', '{}', '', 'Source String')
def render_translation(self, translation_template, params, source_string,
language_code, escape=False):
""" Replace the variables in the ICU translation """
try:
return StringRenderer.render(
source_string=source_string,
string_to_render=translation_template,
language_code=language_code,
escape=escape,
missing_policy=self._missing_policy,
params=params,
)
except Exception:
return self._error_policy.get(
source_string=source_string,
translation=translation_template,
language_code=language_code,
escape=escape, params=params,
)
def pluralized(one, other, cnt_value):
"""Render an ICU pluralized string with the given parameters.
:param unicode one: the string for singular
:param unicode other: the string for plural
:param int cnt_value: the value of the plural counter variable
:return: a rendered string that has taken into account the given
:rtype: unicode
"""
icu_string = '{cnt, plural, one {[one]} other {[other]}}'\
.replace('[one]', one)\
.replace('[other]', other)
return StringRenderer.render(
icu_string,
string_to_render=icu_string,
language_code='en',
escape=False,
missing_policy=None,
params={'cnt': cnt_value},
)