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#._cv_part guppy.heapy.OutputHandling
class OutputHandler:
def __init__(self, mod, output_file):
self.mod = mod
self.output_file = output_file
class OutputBuffer:
def __init__(self, mod, opts = None):
self.mod = mod
self.strio = mod._root.cStringIO.StringIO()
if opts == None:
opts = {}
self.opts = opts
self.lines = ['']
self.line_no = 0
def getopt(self, opt):
return self.opts.get(opt)
def getvalue(self):
return '\n'.join(self.lines)
def new_line(self):
self.line_no += 1
self.lines.append('')
def write(self, s):
lines = s.split('\n')
for line in lines[:-1]:
self.write_seg(line)
self.new_line()
self.write_seg(lines[-1])
def write_seg(self, s):
self.lines[self.line_no] += s
class MorePrinter:
_oh_next_lineno = None
def __init__(self, printer, previous):
self._oh_printer = printer
self._oh_previous = previous
self._hiding_tag_ = printer._hiding_tag_
def __getattr__(self, attr):
return self._oh_printer.getattr(self, attr)
def _oh_get_next_lineno(self):
next_lineno = self._oh_next_lineno
if next_lineno is None:
repr(self)
next_lineno = self._oh_next_lineno
return next_lineno
def _oh_get_start_lineno(self):
return self._oh_previous._oh_get_next_lineno()
class Printer:
def __init__(self, mod, client, get_line_iter=None, max_top_lines=None, max_more_lines=None,
get_num_lines = None,
get_more_msg = None,
get_more_state_msg = None,
stop_only_when_told = None
):
if get_line_iter is None:
get_line_iter = client._oh_get_line_iter
if max_top_lines is None:
max_top_lines = mod.max_top_lines
if max_more_lines is None:
max_more_lines = mod.max_more_lines
self.mod = mod
self._hiding_tag_ = mod._hiding_tag_
self.client = client
self.get_line_iter = get_line_iter
self.max_top_lines = max_top_lines
self.max_more_lines = max_more_lines
if get_num_lines is not None:
self.get_num_lines = get_num_lines
if get_more_msg is not None:
self.get_more_msg = get_more_msg
if get_more_state_msg is None:
get_more_state_msg = getattr(client, '_oh_get_more_state_msg', None)
if get_more_state_msg is not None:
self.get_more_state_msg = get_more_state_msg
self.stop_only_when_told = stop_only_when_told
self.reset()
def getattr(self, mp, attr):
try:
g = getattr(self, '_get_'+attr)
except AttributeError:
return getattr(self.client, attr)
else:
return g(mp)
def line_at(self, idx):
while idx >= len(self.lines_seen):
try:
li = self.line_iter.next()
except StopIteration:
raise IndexError
else:
if isinstance(li, tuple):
cmd, line = li
if cmd == 'STOP_AFTER':
self.stop_linenos[len(self.lines_seen)] = 1
else:
line = li
self.lines_seen.append(line)
return self.lines_seen[idx]
def lines_from(self, idx=0):
line_iter = self.line_iter
if line_iter is None:
line_iter = self.line_iter = self.get_line_iter()
while 1:
try:
yield self.line_at(idx)
except IndexError:
return
idx += 1
def _get_more(self, mp):
return MorePrinter(self, mp)
def _oh_get_next_lineno(self):
next_lineno = getattr(self, '_oh_next_lineno', None)
if next_lineno is None:
self.get_str_of_top()
next_lineno = self._oh_next_lineno
return next_lineno
def _get_prev(self, mp):
return mp._oh_previous
def _oh_get_start_lineno(self):
return 0
def _get_top(self, mp):
return self.client
def _get___repr__(self, mp):
return lambda: self.get_str(mp, self.max_more_lines)
_get___str__ = _get___repr__
def get_str_of_top(self):
return self.get_str(self, self.max_top_lines)
def get_more_state_msg(self, start_lineno, end_lineno):
num_lines = self.get_num_lines()
if num_lines is None:
of_num_lines = ''
else:
of_num_lines = ' of %d'%num_lines
return "Lines %d..%d%s. "%(start_lineno, end_lineno, of_num_lines)
def get_more_msg(self, start_lineno, end_lineno):
state_msg = self.get_more_state_msg(start_lineno, end_lineno)
return "<%sType e.g. '_.more' for more.>"%(state_msg)
def get_num_lines(self):
return None
def get_str(self, printer, max_lines):
def f():
_hiding_tag_ = printer._hiding_tag_
start_lineno = printer._oh_get_start_lineno()
ob = self.mod.output_buffer()
it = self.lines_from(start_lineno)
numlines = 0
lineno = start_lineno
for line in it:
if (numlines >= max_lines and
((not self.stop_only_when_told) or self.stop_linenos.get(lineno-1))) :
try:
self.line_at(lineno+1)
except IndexError:
print >>ob, line
lineno += 1
break
else:
print >>ob, self.get_more_msg(start_lineno, lineno-1)
break
numlines += 1
print >>ob, line
lineno += 1
printer._oh_next_lineno = lineno
return ob.getvalue().rstrip()
return printer.mod._parent.View.enter(lambda: f())
def reset(self):
self.lines_seen = []
self.stop_linenos = {}
self.line_iter = None
class BasicMorePrinter:
def __init__(self, mod, top, handler, startindex=None):
self.mod = mod
self.top = top
self.handler = handler
if startindex is None:
startindex = handler.get_more_index()
self.startindex = startindex
self._hiding_tag_ = mod._hiding_tag_
def __getattr__(self, attr):
if attr == 'more':
return self.__class__(self.mod, self.top, self.handler,
self.handler.get_more_index(self.startindex))
else:
return getattr(self.top, attr)
def __repr__(self):
return self.__str__()
def __str__(self):
ob = self.mod.output_buffer()
self.handler.ppob(ob, self.startindex)
return ob.getvalue().rstrip()
def at(self, idx):
return self.__class__(self.mod, self.top, self.handler,
idx)
class _GLUECLAMP_:
_chgable_ = 'output_file', 'max_top_lines', 'max_more_lines',
_preload_ = ('_hiding_tag_',)
max_top_lines = 10
max_more_lines = 10
def _get__hiding_tag_(self): return self._parent.View._hiding_tag_
def _get_output_file(self): return self._root.sys.stdout
def more_printer(self, client, **kwds):
printer = Printer(self, client, **kwds)
return MorePrinter(printer, printer)
def output_buffer(self):
return OutputBuffer(self)
def output_handler(self, output_file=None):
if output_file is None:
output_file = self.output_file
return OutputHandler(self, output_file)
def setup_printing(self, client, **kwds):
more = self.more_printer(client, **kwds)
printer = more._oh_printer
client.more = more
client.printer = printer
client.__str__ = client.__repr__ = (lambda:
printer.get_str_of_top())
def basic_more_printer(self, top, handler, startindex=None):
return BasicMorePrinter(self, top, handler, startindex)
def _get_stdout(self): return self._root.sys.stdout