def extract(method,
fileobj,
keywords=KEYWORDS,
comment_tags=COMMENT_TAGS,
options=None,
strip_comment_tags=False):
'''
Extracted from @see: babel.messages.extract in order to get also the function name and additional messages.
Extract messages from the given file-like object using the specified
extraction method.
This function returns a list of tuples of the form:
``(funcname, lineno, messages, comments)``
@see: babel.messages.extract.extract
'''
func = None
if ':' in method or '.' in method:
if ':' not in method:
lastdot = method.rfind('.')
module, attrname = method[:lastdot], method[lastdot + 1:]
else:
module, attrname = method.split(':', 1)
func = getattr(__import__(module, {}, {}, [attrname]), attrname)
else:
func = METHOD_EXTRACTOR.get(method)
if func is None:
raise ValueError('Unknown extraction method %r' % method)
results = func(fileobj,
list(keywords.keys()),
comment_tags,
options=options or {})
for lineno, funcname, messages, comments in results:
if funcname:
spec = keywords[funcname] or (1, )
else:
spec = (1, )
if not isinstance(messages, (list, tuple)): messages = [messages]
if not messages: continue
# Validate the messages against the keyword's specification
msgs = []
invalid = False
# last_index is 1 based like the keyword spec
last_index = len(messages)
for index in spec:
if last_index < index:
# Not enough arguments
invalid = True
break
message = messages[index - 1]
if message is None:
invalid = True
break
msgs.append(message)
if invalid:
continue
first_msg_index = spec[0] - 1
if not messages[first_msg_index]:
# An empty string msgid isn't valid, emit a warning
where = '%s:%i' % (hasattr(fileobj, 'name') and fileobj.name
or '(unknown)', lineno)
log.error(empty_msgid_warning % where)
continue
messages = tuple(msgs)
if len(messages) == 1: messages = messages[0]
if strip_comment_tags: _strip_comment_tags(comments, comment_tags)
yield funcname, lineno, messages, comments
def strip_comment_tags(comments, comment_tags):
_strip_comment_tags(comments, comment_tags)
return comments
def extract(method, fileobj, keywords=KEYWORDS, comment_tags=COMMENT_TAGS, options=None, strip_comment_tags=False):
"""
Extracted from @see: babel.messages.extract in order to get also the function name and additional messages.
Extract messages from the given file-like object using the specified
extraction method.
This function returns a list of tuples of the form:
``(funcname, lineno, messages, comments)``
@see: babel.messages.extract.extract
"""
func = None
if ":" in method or "." in method:
if ":" not in method:
lastdot = method.rfind(".")
module, attrname = method[:lastdot], method[lastdot + 1 :]
else:
module, attrname = method.split(":", 1)
func = getattr(__import__(module, {}, {}, [attrname]), attrname)
else:
func = METHOD_EXTRACTOR.get(method)
if func is None:
raise ValueError("Unknown extraction method %r" % method)
results = func(fileobj, list(keywords.keys()), comment_tags, options=options or {})
for lineno, funcname, messages, comments in results:
if funcname:
spec = keywords[funcname] or (1,)
else:
spec = (1,)
if not isinstance(messages, (list, tuple)):
messages = [messages]
if not messages:
continue
# Validate the messages against the keyword's specification
msgs = []
invalid = False
# last_index is 1 based like the keyword spec
last_index = len(messages)
for index in spec:
if last_index < index:
# Not enough arguments
invalid = True
break
message = messages[index - 1]
if message is None:
invalid = True
break
msgs.append(message)
if invalid:
continue
first_msg_index = spec[0] - 1
if not messages[first_msg_index]:
# An empty string msgid isn't valid, emit a warning
where = "%s:%i" % (hasattr(fileobj, "name") and fileobj.name or "(unknown)", lineno)
log.error(empty_msgid_warning % where)
continue
messages = tuple(msgs)
if len(messages) == 1:
messages = messages[0]
if strip_comment_tags:
_strip_comment_tags(comments, comment_tags)
yield funcname, lineno, messages, comments
def strip_comment_tags(comments, comment_tags):
_strip_comment_tags(comments, comment_tags)
return comments
