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Extract messages from JavaScript source code.
:param fileobj: the seekable, file-like object the messages should be
extracted from
:param keywords: a list of keywords (i.e. function names) that should be
recognized as translation functions
:param comment_tags: a list of translator tags to search for and include
in the results
:param options: a dictionary of additional options (optional)
def extract_javascript(fileobj, keywords, comment_tags, options):
"""Extract messages from JavaScript source code.
:param fileobj: the seekable, file-like object the messages should be
extracted from
:param keywords: a list of keywords (i.e. function names) that should be
recognized as translation functions
:param comment_tags: a list of translator tags to search for and include
in the results
:param options: a dictionary of additional options (optional)
"""
from babel.messages.jslexer import tokenize, unquote_string
funcname = message_lineno = None
messages = []
last_argument = None
translator_comments = []
concatenate_next = False
encoding = options.get('encoding', 'utf-8')
last_token = None
call_stack = -1
for token in tokenize(fileobj.read().decode(encoding)):
if token.type == 'operator' and token.value == '(':
if funcname:
message_lineno = token.lineno
call_stack += 1
elif call_stack == -1 and token.type == 'linecomment':
value = token.value[2:].strip()
if translator_comments and \
translator_comments[-1][0] == token.lineno - 1:
translator_comments.append((token.lineno, value))
continue
for comment_tag in comment_tags:
if value.startswith(comment_tag):
translator_comments.append((token.lineno, value.strip()))
break
elif token.type == 'multilinecomment':
# only one multi-line comment may preceed a translation
translator_comments = []
value = token.value[2:-2].strip()
for comment_tag in comment_tags:
if value.startswith(comment_tag):
lines = value.splitlines()
if lines:
lines[0] = lines[0].strip()
lines[1:] = dedent('\n'.join(lines[1:])).splitlines()
for offset, line in enumerate(lines):
translator_comments.append((token.lineno + offset,
line))
break
elif funcname and call_stack == 0:
if token.type == 'operator' and token.value == ')':
if last_argument is not None:
messages.append(last_argument)
if len(messages) > 1:
messages = tuple(messages)
elif messages:
messages = messages[0]
else:
messages = None
# Comments don't apply unless they immediately precede the
# message
if translator_comments and \
translator_comments[-1][0] < message_lineno - 1:
translator_comments = []
if messages is not None:
yield (message_lineno, funcname, messages,
[comment[1] for comment in translator_comments])
funcname = message_lineno = last_argument = None
concatenate_next = False
translator_comments = []
messages = []
call_stack = -1
elif token.type == 'string':
new_value = unquote_string(token.value)
if concatenate_next:
last_argument = (last_argument or '') + new_value
concatenate_next = False
else:
last_argument = new_value
elif token.type == 'operator':
if token.value == ',':
if last_argument is not None:
messages.append(last_argument)
last_argument = None
else:
messages.append(None)
concatenate_next = False
elif token.value == '+':
concatenate_next = True
elif call_stack > 0 and token.type == 'operator' \
and token.value == ')':
call_stack -= 1
elif funcname and call_stack == -1:
funcname = None
elif call_stack == -1 and token.type == 'name' and \
token.value in keywords and \
(last_token is None or last_token.type != 'name' or
last_token.value != 'function'):
funcname = token.value
last_token = token
import tokenize from babel.messages.extract import extract_javascript from cStringIO import StringIO
def extract_javascript_msgids(source):
"""Return message ids of translateable strings in JS source."""
extracted = extract_javascript(
fileobj=StringIO(source),
src/b/l/bloodhound-HEAD/trac/trac/dist.py bloodhound(Download)
try:
from babel.messages.catalog import TranslationError
from babel.messages.extract import extract_javascript
from babel.messages.frontend import extract_messages, init_catalog, \
compile_catalog, update_catalog
stream.render(out=out, encoding='utf-8')
out.seek(0)
return extract_javascript(out, keywords, comment_tags, options)
src/t/r/Trac-1.0.1/trac/dist.py Trac(Download)
try:
from babel.messages.catalog import TranslationError
from babel.messages.extract import extract_javascript
from babel.messages.frontend import extract_messages, init_catalog, \
compile_catalog, update_catalog
stream.render(out=out, encoding='utf-8')
out.seek(0)
return extract_javascript(out, keywords, comment_tags, options)
src/t/r/trac-HEAD/trac/dist.py trac(Download)
try:
from babel.messages.catalog import TranslationError
from babel.messages.extract import extract_javascript
from babel.messages.frontend import extract_messages, init_catalog, \
compile_catalog, update_catalog
stream.render(out=out, encoding='utf-8')
out.seek(0)
return extract_javascript(out, keywords, comment_tags, options)
src/h/u/hue-HEAD/desktop/core/ext-py/Babel-0.9.6/babel/messages/tests/extract.py hue(Download)
msg = _('Bonjour à tous')
""")
messages = list(extract.extract_javascript(buf, ('_',), ['NOTE:'], {}))
self.assertEqual(u'Bonjour à tous', messages[0][2])
self.assertEqual([u'NOTE: hello'], messages[0][3])
msg = _('Bonjour à tous')
""")
messages = list(extract.extract_javascript(buf, ('_',), ['NOTE:'], {}))
self.assertEqual(u'Bonjour à tous', messages[0][2])
self.assertEqual([u'NOTE: hello', 'and bonjour', ' and servus'], messages[0][3])
}""")
messages = list(extract.extract_javascript(buf, ('gettext',), [], {}))
self.assertEqual(messages, [])
_('no comment here')
""")
messages = list(extract.extract_javascript(buf, ('_',), ['NOTE:'], {}))
self.assertEqual(u'Something', messages[0][2])
self.assertEqual([u'NOTE: this will'], messages[0][3])
src/h/o/hortonworks-sandbox-HEAD/desktop/core/ext-py/Babel-0.9.6/babel/messages/tests/extract.py hortonworks-sandbox(Download)
msg = _('Bonjour à tous')
""")
messages = list(extract.extract_javascript(buf, ('_',), ['NOTE:'], {}))
self.assertEqual(u'Bonjour à tous', messages[0][2])
self.assertEqual([u'NOTE: hello'], messages[0][3])
msg = _('Bonjour à tous')
""")
messages = list(extract.extract_javascript(buf, ('_',), ['NOTE:'], {}))
self.assertEqual(u'Bonjour à tous', messages[0][2])
self.assertEqual([u'NOTE: hello', 'and bonjour', ' and servus'], messages[0][3])
}""")
messages = list(extract.extract_javascript(buf, ('gettext',), [], {}))
self.assertEqual(messages, [])
_('no comment here')
""")
messages = list(extract.extract_javascript(buf, ('_',), ['NOTE:'], {}))
self.assertEqual(u'Something', messages[0][2])
self.assertEqual([u'NOTE: this will'], messages[0][3])
src/k/i/kitsune-HEAD/vendor/packages/Babel/babel/messages/tests/extract.py kitsune(Download)
msg = _('Bonjour à tous')
""")
messages = list(extract.extract_javascript(buf, ('_',), ['NOTE:'], {}))
self.assertEqual(u'Bonjour à tous', messages[0][2])
self.assertEqual([u'NOTE: hello'], messages[0][3])
msg = _('Bonjour à tous')
""")
messages = list(extract.extract_javascript(buf, ('_',), ['NOTE:'], {}))
self.assertEqual(u'Bonjour à tous', messages[0][2])
self.assertEqual([u'NOTE: hello', 'and bonjour', ' and servus'], messages[0][3])
}""")
messages = list(extract.extract_javascript(buf, ('gettext',), [], {}))
self.assertEqual(messages, [])
_('no comment here')
""")
messages = list(extract.extract_javascript(buf, ('_',), ['NOTE:'], {}))
self.assertEqual(u'Something', messages[0][2])
self.assertEqual([u'NOTE: this will'], messages[0][3])
src/f/j/fjord-HEAD/vendor/packages/Babel/tests/messages/test_extract.py fjord(Download)
msg = _('Bonjour à tous')
""".encode('utf-8'))
messages = list(extract.extract_javascript(buf, ('_',), ['NOTE:'], {}))
self.assertEqual(u'Bonjour à tous', messages[0][2])
self.assertEqual([u'NOTE: hello'], messages[0][3])
msg = _('Bonjour à tous')
""".encode('utf-8'))
messages = list(extract.extract_javascript(buf, ('_',), ['NOTE:'], {}))
self.assertEqual(u'Bonjour à tous', messages[0][2])
self.assertEqual([u'NOTE: hello', 'and bonjour', ' and servus'], messages[0][3])
}""")
messages = list(extract.extract_javascript(buf, ('gettext',), [], {}))
self.assertEqual(messages, [])
_('no comment here')
""")
messages = list(extract.extract_javascript(buf, ('_',), ['NOTE:'], {}))
self.assertEqual(u'Something', messages[0][2])
self.assertEqual([u'NOTE: this will'], messages[0][3])
src/g/a/gae-boilerplate-HEAD/bp_includes/external/babel/messages/tests/extract.py gae-boilerplate(Download)
msg = _('Bonjour à tous')
""")
messages = list(extract.extract_javascript(buf, ('_',), ['NOTE:'], {}))
self.assertEqual(u'Bonjour à tous', messages[0][2])
self.assertEqual([u'NOTE: hello'], messages[0][3])
msg = _('Bonjour à tous')
""")
messages = list(extract.extract_javascript(buf, ('_',), ['NOTE:'], {}))
self.assertEqual(u'Bonjour à tous', messages[0][2])
self.assertEqual([u'NOTE: hello', 'and bonjour', ' and servus'], messages[0][3])
}""")
messages = list(extract.extract_javascript(buf, ('gettext',), [], {}))
self.assertEqual(messages, [])
_('no comment here')
""")
messages = list(extract.extract_javascript(buf, ('_',), ['NOTE:'], {}))
self.assertEqual(u'Something', messages[0][2])
self.assertEqual([u'NOTE: this will'], messages[0][3])
src/w/e/webapp-improved-HEAD/lib/babel/babel/messages/tests/extract.py webapp-improved(Download)
msg = _('Bonjour à tous')
""")
messages = list(extract.extract_javascript(buf, ('_',), ['NOTE:'], {}))
self.assertEqual(u'Bonjour à tous', messages[0][2])
self.assertEqual([u'NOTE: hello'], messages[0][3])
msg = _('Bonjour à tous')
""")
messages = list(extract.extract_javascript(buf, ('_',), ['NOTE:'], {}))
self.assertEqual(u'Bonjour à tous', messages[0][2])
self.assertEqual([u'NOTE: hello', 'and bonjour', ' and servus'], messages[0][3])
}""")
messages = list(extract.extract_javascript(buf, ('gettext',), [], {}))
self.assertEqual(messages, [])
_('no comment here')
""")
messages = list(extract.extract_javascript(buf, ('_',), ['NOTE:'], {}))
self.assertEqual(u'Something', messages[0][2])
self.assertEqual([u'NOTE: this will'], messages[0][3])
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