def magic_matches(self, text):
completion_log.debug("completing [{0}]".format(text))
# print 'Completer->magic_matches:',text,'lb',self.text_until_cursor # dbg
# Get all shell magics now rather than statically, so magics loaded at
# runtime show up too.
lsm = self.shell.magics_manager.lsmagic()
line_magics = lsm['line']
cell_magics = lsm['cell']
pre = self.magic_escape
pre2 = pre + pre
# Completion logic:
# - user gives %%: only do cell magics
# - user gives %: do both line and cell magics
# - no prefix: do both
# In other words, line magics are skipped if the user gives %%
# explicitly
bare_text = text.lstrip(pre)
comp = [pre2 + m for m in cell_magics if m.startswith(bare_text)]
if not text.startswith(pre2):
comp += [pre + m for m in line_magics if m.startswith(bare_text)]
# do not allow known shell commands to be prefixed
# with '%' as if they were magic commands
for i, x in enumerate(comp):
original = x[len(pre):]
if have_command_alias(original):
comp[i] = original
return comp
def smash_matcher(self, shell, event):
completion_log.info('completing event: {0}'.format(event.__dict__))
line = event.line
if not line.strip():
raise TryNext()
first_word = line.split()[0]
# NB: cannot use event.symbol here, it splits on '$'
last_word = event.text_until_cursor.split()
last_word = last_word[-1] if last_word else ''
completion_log.info("first-word, last-word: {0}".format(
[first_word, last_word]))
if last_word.startswith('$'):
return smash_env_complete(last_word)
magic_command_alias = first_word.startswith('%') and \
have_command_alias(first_word[1:])
naked_command_alias = have_command_alias(first_word)
results = []
if naked_command_alias:
completion_log.info('naked command alias detected')
results += smash_bash_complete(line)[:self.MAX_MATCH]
elif magic_command_alias:
completion_log.info('magic command alias detected')
results += smash_bash_complete(line[1:])[:self.MAX_MATCH]
# can't do anything smarter? look for file matches.
# this works by default if the last word contains os.path.sep,
# but this doesn't necessarily work with the special "ed" alias
# unless this sectiion is executed
if not results:
completion_log.info(('no results for completion, looking for '
'file matches with "{0}"'.format(last_word)))
results = self.smash.shell.Completer.file_matches(last_word)
if results:
completion_log.info("returning: {0}".format(results))
return results
else:
completion_log.info("no results so far, raising trynext ")
raise TryNext()
