def run(self):
"""main loop of the class. General substep runs:
* displayable have 'body' and 'menu' attributes.
* non-displayable as a 'next' target.
* transitions to Dispatcher steps have 'nextstep' value.
"""
# Generic substep stream start-up
# If step doesn't have self.start, then it has to explicitly
# assign self.substep. Furthermore, step is not re-startable.
if not hasattr(self, 'substep') and hasattr(self, 'start'):
self.substep = self.start
while True:
try:
substep = self.substep
except Exception, ex:
log.warn(str(ex))
substep = self.start
if substep:
substep() # execute the substep
else:
log.warn("returning from TextRunner.run()")
return textengine.DISPATCH_NEXT
if 'body' in self.substepEnv:
# This is a user interface (ui) step.
ui = self.substepEnv
textengine.render(ui)
inputType = ui.get("input", "default")
assert inputType in ['default', 'passwords'], \
'unknown inputType: %s' % inputType
self.substepPrev = self.substep # save in case push/pop
# build parameter lists and invoke
if inputType == 'default':
prompt = ui.get('prompt', '> ')
elif inputType == 'passwords':
# plural because we always want two trials of passwords
prompts = ui.get('prompts',
['Password: '******'Confirm password: '******'short', None)
else:
raise ValueError, 'unrecognized type of input'
try:
ui['menu'].setdefault('!', self.cancel)
if inputType == 'default':
nextstate, self.userinput = \
textengine.waitinput(ui['menu'], prompt=prompt)
log.debug(
'substep %s - input: %s' %
(self.substep.im_func.__name__, self.userinput))
elif inputType == 'passwords':
nextstate, self.userinput = \
textengine.waitpasswords(ui['menu'], prompts, short)
log.debug('substep %s - password' % self.substep)
else:
raise ValueError, 'unrecognized type of input'
except Exception, ex:
msg = str(ex)
if msg:
log.warn(msg)
if msg[-1] != '\n':
msg += '\n'
if isinstance(ex, textengine.InvalidUserInput):
print msg, textengine.BEL
nextstate = self.substep # do not change substep
elif isinstance(ex, EOFError):
print textengine.BEL
nextstate = self.substep # do not change substep
else:
log.error('unknown step error')
print msg, textengine.BEL
assert hasattr(self, 'start'), 'step restart failure'
nextstate = self.start
self.substep = nextstate # where to go next
s = "<%s:%s>" % (type(a), str(a))
outstr += s
outstr += '\n'
fauxStdout.append(outstr)
textengine._cons_output = newConsOutput
textengine._cons_output_oob = newConsOutputOob
import password_ui
def fauxPswdInput(_prompt):
textengine._cons_input = newConsInput
return ("mypass", "mypass")
password_ui._pswd_cons_input = fauxPswdInput
if __name__ == "__main__":
# simple test
fauxStdin = ['first', 'second', 'third' ]
content = { 'title': 'sample page',
'body': 'Here are a\ncouple of lines of text' }
textengine.render(content)
instr = raw_input('a prompt')
print fauxStdin
print instr
print fauxStdout
# vim: set sw=4 tw=80 :
def rescan(self):
textengine.render({'body': 'Probing for installation media...'})
self.mediaFound = (cdutil.findCdMedia(showAll=True) +
usbmedia.findUSBMedia(showAll=True))
self.setSubstepEnv( {'next': self.start} )
def run(self):
"""main loop of the class. General substep runs:
* displayable have 'body' and 'menu' attributes.
* non-displayable as a 'next' target.
* transitions to Dispatcher steps have 'nextstep' value.
"""
# Generic substep stream start-up
# If step doesn't have self.start, then it has to explicitly
# assign self.substep. Furthermore, step is not re-startable.
if not hasattr(self,'substep') and hasattr(self, 'start'):
self.substep = self.start
while True:
try:
substep = self.substep
except Exception, ex:
log.warn(str(ex))
substep = self.start
if substep:
substep() # execute the substep
else:
log.warn("returning from TextRunner.run()")
return textengine.DISPATCH_NEXT
if 'body' in self.substepEnv:
# This is a user interface (ui) step.
ui = self.substepEnv
textengine.render(ui)
inputType = ui.get("input", "default")
assert inputType in ['default', 'passwords'], \
'unknown inputType: %s' % inputType
self.substepPrev = self.substep # save in case push/pop
# build parameter lists and invoke
if inputType == 'default':
prompt = ui.get('prompt', '> ')
elif inputType == 'passwords':
# plural because we always want two trials of passwords
prompts = ui.get('prompts',
['Password: '******'Confirm password: '******'short', None)
else:
raise ValueError, 'unrecognized type of input'
try:
ui['menu'].setdefault('!', self.cancel)
if inputType == 'default':
nextstate, self.userinput = \
textengine.waitinput(ui['menu'], prompt=prompt)
log.debug('substep %s - input: %s' %
(self.substep.im_func.__name__, self.userinput))
elif inputType == 'passwords':
nextstate, self.userinput = \
textengine.waitpasswords(ui['menu'], prompts, short)
log.debug('substep %s - password' % self.substep)
else:
raise ValueError, 'unrecognized type of input'
except Exception, ex:
msg = str(ex)
if msg:
log.warn(msg)
if msg[-1] != '\n':
msg += '\n'
if isinstance(ex, textengine.InvalidUserInput):
print msg, textengine.BEL
nextstate = self.substep # do not change substep
elif isinstance(ex, EOFError):
print textengine.BEL
nextstate = self.substep # do not change substep
else:
log.error('unknown step error')
print msg, textengine.BEL
assert hasattr(self, 'start'), 'step restart failure'
nextstate = self.start
self.substep = nextstate # where to go next
