def get_content(self):
'''
Getter for the current content.
Examples:
>>> Buffer().write('test').content
'test'
>>> Buffer(queue=True).write('test').content
'test'
'''
with self._lock:
if self.file is not None:
self._content = self.file.content
elif self.queue:
self._content = ''
temp_buffer = []
while not self.queue.empty():
# # python3.5
# # temp_buffer.append(self.queue.get())
temp_buffer.append(convert_to_unicode(
self.queue.get()))
# #
self._content += temp_buffer[-1]
for content in temp_buffer:
self.queue.put(content)
# # python3.5
# # pass
if self.force_string and builtins.isinstance(
self._content, builtins.unicode
):
self._content = convert_to_string(self._content)
# #
return self._content
def write(self, content):
'''
Writes content to the current output buffer file. If the current \
given file "Buffer.file" doesn't exists it will be created.
**content** - content to write into current buffer instance
Examples:
>>> buffer = Buffer(file=__test_folder__.path + 'write')
>>> buffer.clear() # doctest: +ELLIPSIS
'...'
>>> buffer.write('hans') # doctest: +ELLIPSIS
Object of "Buffer" (file buffered with "...write...nt "hans".
>>> buffer.content
'hans'
>>> buffer = Buffer()
>>> buffer.write('hans')
Object of "Buffer" (memory buffered) with content "hans".
>>> buffer.content
'hans'
'''
# # python3.5
# # pass
if self.force_string and builtins.isinstance(
content, builtins.unicode
):
content = convert_to_string(content)
# #
with self._lock:
self.last_written = content
if self.file is not None:
self.file.content += self.last_written
elif self.queue:
self.queue.put(self.last_written)
else:
self._content += self.last_written
return self
def __init__(self, *output, **codewords):
# #
'''
Writes something to the output buffer or prints to standard \
output.
Examples:
>>> buffer = Buffer()
>>> Print(native_queue.Queue(), buffer=buffer) # doctest: +ELLIPSIS
Object of "Print" with "...
>>> queue1 = native_queue.Queue()
>>> queue2 = native_queue.Queue()
>>> queue1.put('hans')
>>> queue2.put('hans')
>>> Print(
... queue1, queue2, buffer=buffer, flush=True
... ) # doctest: +ELLIPSIS
Object of "Print" with "...
>>> Print.default_buffer = Buffer()
>>> Print('hans', 'hans again') # doctest: +ELLIPSIS
Object of "Print" with "Object of "Buffer" (mem... "hans hans again
".".
>>> buffer = Buffer()
>>> Print(
... 'hans,', 'peter', end=' and klaus', sep=' ', buffer=buffer
... ) # doctest: +ELLIPSIS
Object of "Print" with "Object of "Buffer" (memory buffered...".".
>>> buffer # doctest: +ELLIPSIS
Object ... (memory buffered) with content "hans, peter and klaus".
'''
keywords = {
'replace': self.__class__.replace,
'start': self.__class__.start,
'separator': self.__class__.separator,
'end': self.__class__.end,
'buffer': self.__class__.default_buffer,
'flush': codewords.get('replace', False)}
keywords.update(codewords)
'''Redirect print output to this buffer.'''
self.buffer = keywords['buffer']
output = builtins.list(output)
for index, out in builtins.enumerate(output):
if builtins.isinstance(out, native_queue.Queue):
result = ''
while not out.empty():
if index != 0 and keywords['separator']:
# # python3.5
# # result += builtins.str(keywords['separator'])
# # result += out.get()
result += convert_to_unicode(
keywords['separator'])
result += convert_to_unicode(out.get())
# #
output[index] = result
elif index == 0:
# # python3.5 output[index] = builtins.str(out)
output[index] = convert_to_unicode(out)
else:
# # python3.5
# # output[index] = '%s%s' % (builtins.str(
# # keywords['separator']
# # ), builtins.str(out))
output[index] = '%s%s' % (convert_to_unicode(
keywords['separator']
), convert_to_unicode(out))
# #
line_replace = '\033[1A\r\033[2K' if keywords['replace'] else ''
output = [keywords['start'], line_replace] + output + [keywords['end']]
# # python3.5
# # builtins.print(
# # *output, sep='', end='', file=keywords['buffer'],
# # flush=keywords['flush'])
builtins.print(*filter(lambda content: convert_to_string(
content
), output), sep='', end='', file=keywords['buffer'])
if keywords['flush']:
sys.stdout.flush()
def clear(self, delete=True):
'''
Removes the current output buffer content.
**delete** - indicates whether a file buffer should be deleted or \
truncated
Examples:
>>> buffer = Buffer(file=__test_folder__.path + 'clear')
>>> buffer.clear() # doctest: +ELLIPSIS
'...'
>>> buffer.write('hans') # doctest: +ELLIPSIS
Objec...(file buffered with "...clear...with content "hans".
>>> buffer.clear(False)
'hans'
>>> buffer.content
''
>>> buffer = Buffer()
>>> buffer.write('hans')
Object of "Buffer" (memory buffered) with content "hans".
>>> buffer.clear()
'hans'
>>> buffer.content
''
>>> buffer = Buffer(queue=True)
>>> buffer.clear()
''
>>> buffer.write('hans')
Object of "Buffer" (queue buffered) with content "hans".
>>> buffer.write('hans')
Object of "Buffer" (queue buffered) with content "hanshans".
>>> buffer.clear()
'hanshans'
>>> buffer.content
''
'''
with self._lock:
if self.file is not None:
content = self.file.content
if delete:
self.file.remove_file()
else:
self.file.content = ''
elif self.queue:
content = ''
while not self.queue.empty():
content += self.queue.get()
else:
content = self._content
self._content = ''
# # python3.5
# # pass
if self.force_string:
self._content = builtins.str()
content = convert_to_string(content)
# #
return content
