def edit(self, index=None):
"""Edit a block.
If no number is given, use the last block executed.
This edits the in-memory copy of the demo, it does NOT modify the
original source file. If you want to do that, simply open the file in
an editor and use reload() when you make changes to the file. This
method is meant to let you change a block during a demonstration for
explanatory purposes, without damaging your original script."""
index = self._get_index(index)
if index is None:
return
# decrease the index by one (unless we're at the very beginning), so
# that the default demo.edit() call opens up the sblock we've last run
if index > 0:
index -= 1
filename = self.shell.mktempfile(self.src_blocks[index])
self.shell.hooks.editor(filename, 1)
new_block = file_read(filename)
# update the source and colored block
self.src_blocks[index] = new_block
self.src_blocks_colored[index] = self.ip_colorize(new_block)
self.block_index = index
# call to run with the newly edited index
self()
def reload(self):
"""Reload source from disk and initialize state."""
# read data and parse into blocks
self.src = file_read(self.fname)
src_b = [b.strip() for b in self.re_stop.split(self.src) if b]
self._silent = [bool(self.re_silent.findall(b)) for b in src_b]
self._auto = [bool(self.re_auto.findall(b)) for b in src_b]
# if auto_all is not given (def. None), we read it from the file
if self.auto_all is None:
self.auto_all = bool(self.re_auto_all.findall(src_b[0]))
else:
self.auto_all = bool(self.auto_all)
# Clean the sources from all markup so it doesn't get displayed when
# running the demo
src_blocks = []
auto_strip = lambda s: self.re_auto.sub('', s)
for i, b in enumerate(src_b):
if self._auto[i]:
src_blocks.append(auto_strip(b))
else:
src_blocks.append(b)
# remove the auto_all marker
src_blocks[0] = self.re_auto_all.sub('', src_blocks[0])
self.nblocks = len(src_blocks)
self.src_blocks = src_blocks
# also build syntax-highlighted source
self.src_blocks_colored = map(self.ip_colorize, self.src_blocks)
# ensure clean namespace and seek offset
self.reset()
def edit(self, index=None):
"""Edit a block.
If no number is given, use the last block executed.
This edits the in-memory copy of the demo, it does NOT modify the
original source file. If you want to do that, simply open the file in
an editor and use reload() when you make changes to the file. This
method is meant to let you change a block during a demonstration for
explanatory purposes, without damaging your original script."""
index = self._get_index(index)
if index is None:
return
# decrease the index by one (unless we're at the very beginning), so
# that the default demo.edit() call opens up the sblock we've last run
if index > 0:
index -= 1
filename = self.shell.mktempfile(self.src_blocks[index])
self.shell.hooks.editor(filename, 1)
new_block = file_read(filename)
# update the source and colored block
self.src_blocks[index] = new_block
self.src_blocks_colored[index] = self.ip_colorize(new_block)
self.block_index = index
# call to run with the newly edited index
self()
def reload(self):
"""Reload source from disk and initialize state."""
# read data and parse into blocks
self.src = file_read(self.fname)
src_b = [b.strip() for b in self.re_stop.split(self.src) if b]
self._silent = [bool(self.re_silent.findall(b)) for b in src_b]
self._auto = [bool(self.re_auto.findall(b)) for b in src_b]
# if auto_all is not given (def. None), we read it from the file
if self.auto_all is None:
self.auto_all = bool(self.re_auto_all.findall(src_b[0]))
else:
self.auto_all = bool(self.auto_all)
# Clean the sources from all markup so it doesn't get displayed when
# running the demo
src_blocks = []
auto_strip = lambda s: self.re_auto.sub('',s)
for i,b in enumerate(src_b):
if self._auto[i]:
src_blocks.append(auto_strip(b))
else:
src_blocks.append(b)
# remove the auto_all marker
src_blocks[0] = self.re_auto_all.sub('',src_blocks[0])
self.nblocks = len(src_blocks)
self.src_blocks = src_blocks
# also build syntax-highlighted source
self.src_blocks_colored = map(self.ip_colorize,self.src_blocks)
# ensure clean namespace and seek offset
self.reset()
