def show_all(self):
"""Show entire demo on screen, block by block"""
fname = self.title
title = self.title
nblocks = self.nblocks
silent = self._silent
marquee = self.marquee
for index, block in enumerate(self.src_blocks_colored):
if silent[index]:
print(
marquee(
"<%s> SILENT block # %s (%s remaining)"
% (title, index, nblocks - index - 1)
)
)
else:
print(
marquee(
"<%s> block # %s (%s remaining)"
% (title, index, nblocks - index - 1)
)
)
print(block, end=" ")
sys.stdout.flush()
def __call__(self, index=None):
"""run a block of the demo.
If index is given, it should be an integer >=1 and <= nblocks. This
means that the calling convention is one off from typical Python
lists. The reason for the inconsistency is that the demo always
prints 'Block n/N, and N is the total, so it would be very odd to use
zero-indexing here."""
index = self._get_index(index)
if index is None:
return
try:
marquee = self.marquee
next_block = self.src_blocks[index]
self.block_index += 1
if self._silent[index]:
print(
marquee('Executing silent block # %s (%s remaining)' %
(index, self.nblocks - index - 1)))
else:
self.pre_cmd()
self.show(index)
if self.auto_all or self._auto[index]:
print(marquee('output:'))
else:
print(marquee('Press <q> to quit, <Enter> to execute...'),
end=' ')
ans = py3compat.input().strip()
if ans:
print(marquee('Block NOT executed'))
return
try:
save_argv = sys.argv
sys.argv = self.sys_argv
self.run_cell(next_block)
self.post_cmd()
finally:
sys.argv = save_argv
except:
if self.inside_ipython:
self.ip_showtb(filename=self.fname)
else:
if self.inside_ipython:
self.ip_ns.update(self.user_ns)
if self.block_index == self.nblocks:
mq1 = self.marquee('END OF DEMO')
if mq1:
# avoid spurious print if empty marquees are used
print()
print(mq1)
print(
self.marquee(
'Use <demo_name>.reset() if you want to rerun it.'))
self.finished = True
def __call__(self, index=None):
"""run a block of the demo.
If index is given, it should be an integer >=1 and <= nblocks. This
means that the calling convention is one off from typical Python
lists. The reason for the inconsistency is that the demo always
prints 'Block n/N, and N is the total, so it would be very odd to use
zero-indexing here."""
index = self._get_index(index)
if index is None:
return
try:
marquee = self.marquee
next_block = self.src_blocks[index]
self.block_index += 1
if self._silent[index]:
print(marquee('Executing silent block # %s (%s remaining)' %
(index, self.nblocks - index - 1)), file=io.stdout)
else:
self.pre_cmd()
self.show(index)
if self.auto_all or self._auto[index]:
print(marquee('output:'), file=io.stdout)
else:
print(
marquee('Press <q> to quit, <Enter> to execute...'), end=' ', file=io.stdout)
ans = py3compat.input().strip()
if ans:
print(marquee('Block NOT executed'), file=io.stdout)
return
try:
save_argv = sys.argv
sys.argv = self.sys_argv
self.run_cell(next_block)
self.post_cmd()
finally:
sys.argv = save_argv
except:
self.ip_showtb(filename=self.fname)
else:
self.ip_ns.update(self.user_ns)
if self.block_index == self.nblocks:
mq1 = self.marquee('END OF DEMO')
if mq1:
# avoid spurious print >>io.stdout,s if empty marquees are used
print(file=io.stdout)
print(mq1, file=io.stdout)
print(
self.marquee('Use <demo_name>.reset() if you want to rerun it.'), file=io.stdout)
self.finished = True
def show_all(self):
"""Show entire demo on screen, block by block"""
title = self.title
nblocks = self.nblocks
silent = self._silent
marquee = self.marquee
for index, block in enumerate(self.src_blocks_colored):
if silent[index]:
print(marquee('<%s> SILENT block # %s (%s remaining)' %
(title, index, nblocks - index - 1)), file=io.stdout)
else:
print(marquee('<%s> block # %s (%s remaining)' %
(title, index, nblocks - index - 1)), file=io.stdout)
print(block, end=' ', file=io.stdout)
sys.stdout.flush()
def show_all(self):
"""Show entire demo on screen, block by block"""
fname = self.title
title = self.title
nblocks = self.nblocks
silent = self._silent
marquee = self.marquee
for index,block in enumerate(self.src_blocks_colored):
if silent[index]:
print >>IPython.utils.io.Term.cout, marquee('<%s> SILENT block # %s (%s remaining)' %
(title,index,nblocks-index-1))
else:
print >>IPython.utils.io.Term.cout, marquee('<%s> block # %s (%s remaining)' %
(title,index,nblocks-index-1))
print >>IPython.utils.io.Term.cout, block,
sys.stdout.flush()
def show_all(self):
"""Show entire demo on screen, block by block"""
fname = self.title
title = self.title
nblocks = self.nblocks
silent = self._silent
marquee = self.marquee
for index,block in enumerate(self.src_blocks_colored):
if silent[index]:
print >>IPython.utils.io.Term.cout, marquee('<%s> SILENT block # %s (%s remaining)' %
(title,index,nblocks-index-1))
else:
print >>IPython.utils.io.Term.cout, marquee('<%s> block # %s (%s remaining)' %
(title,index,nblocks-index-1))
print >>IPython.utils.io.Term.cout, block,
sys.stdout.flush()
def marquee(self,txt='',width=78,mark='*'):
"""Return the input string centered in a 'marquee'."""
return marquee(txt,width,mark)
def marquee(self, txt='', width=78, mark='*'):
"""Return the input string centered in a 'marquee'."""
return marquee(txt, width, mark)