def init_readline(self):
"""Command history completion/saving/reloading."""
if self.readline_use:
import IPython.utils.rlineimpl as readline
self.rl_next_input = None
self.rl_do_indent = False
if not self.readline_use or not readline.have_readline:
self.readline = None
# Set a number of methods that depend on readline to be no-op
self.readline_no_record = NoOpContext()
self.set_readline_completer = no_op
self.set_custom_completer = no_op
if self.readline_use:
warn('Readline services not available or not loaded.')
else:
self.has_readline = True
self.readline = readline
sys.modules['readline'] = readline
# Platform-specific configuration
if os.name == 'nt':
# FIXME - check with Frederick to see if we can harmonize
# naming conventions with pyreadline to avoid this
# platform-dependent check
self.readline_startup_hook = readline.set_pre_input_hook
else:
self.readline_startup_hook = readline.set_startup_hook
# Readline config order:
# - IPython config (default value)
# - custom inputrc
# - IPython config (user customized)
# load IPython config before inputrc if default
# skip if libedit because parse_and_bind syntax is different
if not self._custom_readline_config and not readline.uses_libedit:
for rlcommand in self.readline_parse_and_bind:
readline.parse_and_bind(rlcommand)
# Load user's initrc file (readline config)
# Or if libedit is used, load editrc.
inputrc_name = os.environ.get('INPUTRC')
if inputrc_name is None:
inputrc_name = '.inputrc'
if readline.uses_libedit:
inputrc_name = '.editrc'
inputrc_name = os.path.join(self.home_dir, inputrc_name)
if os.path.isfile(inputrc_name):
try:
readline.read_init_file(inputrc_name)
except:
warn('Problems reading readline initialization file <%s>'
% inputrc_name)
# load IPython config after inputrc if user has customized
if self._custom_readline_config:
for rlcommand in self.readline_parse_and_bind:
readline.parse_and_bind(rlcommand)
# Remove some chars from the delimiters list. If we encounter
# unicode chars, discard them.
delims = readline.get_completer_delims()
if not py3compat.PY3:
delims = delims.encode("ascii", "ignore")
for d in self.readline_remove_delims:
delims = delims.replace(d, "")
delims = delims.replace(ESC_MAGIC, '')
readline.set_completer_delims(delims)
# Store these so we can restore them if something like rpy2 modifies
# them.
self.readline_delims = delims
# otherwise we end up with a monster history after a while:
readline.set_history_length(self.history_length)
self.refill_readline_hist()
self.readline_no_record = ReadlineNoRecord(self)
# Configure auto-indent for all platforms
self.set_autoindent(self.autoindent)
o.prompt_out = 'Out[\#]: '
o.prompts_pad_left = 1
o.autoindent = 1
o.readline_remove_delims = "-/~"
o.readline_merge_completions = 1
o.readline = 1
rlopts = """\
tab: complete
"\C-l": possible-completions
set show-all-if-ambiguous on
"\C-o": tab-insert
"\M-i": " "
"\M-o": "\d\d\d\d"
"\M-I": "\d\d\d\d"
"\C-r": reverse-search-history
"\C-s": forward-search-history
"\C-p": history-search-backward
"\C-n": history-search-forward
"\e[A": history-search-backward
"\e[B": history-search-forward
"\C-k": kill-line
"\C-u": unix-line-discard"""
if readline.have_readline:
for cmd in rlopts.split('\n'):
readline.parse_and_bind(cmd)
def init_readline(self):
"""Command history completion/saving/reloading."""
if self.readline_use:
import IPython.utils.rlineimpl as readline
self.rl_next_input = None
self.rl_do_indent = False
if not self.readline_use or not readline.have_readline:
self.readline = None
# Set a number of methods that depend on readline to be no-op
self.readline_no_record = NoOpContext()
self.set_readline_completer = no_op
self.set_custom_completer = no_op
if self.readline_use:
warn('Readline services not available or not loaded.')
else:
self.has_readline = True
self.readline = readline
sys.modules['readline'] = readline
# Platform-specific configuration
if os.name == 'nt':
# FIXME - check with Frederick to see if we can harmonize
# naming conventions with pyreadline to avoid this
# platform-dependent check
self.readline_startup_hook = readline.set_pre_input_hook
else:
self.readline_startup_hook = readline.set_startup_hook
# Readline config order:
# - IPython config (default value)
# - custom inputrc
# - IPython config (user customized)
# load IPython config before inputrc if default
# skip if libedit because parse_and_bind syntax is different
if not self._custom_readline_config and not readline.uses_libedit:
for rlcommand in self.readline_parse_and_bind:
readline.parse_and_bind(rlcommand)
# Load user's initrc file (readline config)
# Or if libedit is used, load editrc.
inputrc_name = os.environ.get('INPUTRC')
if inputrc_name is None:
inputrc_name = '.inputrc'
if readline.uses_libedit:
inputrc_name = '.editrc'
inputrc_name = os.path.join(self.home_dir, inputrc_name)
if os.path.isfile(inputrc_name):
try:
readline.read_init_file(inputrc_name)
except:
warn('Problems reading readline initialization file <%s>' %
inputrc_name)
# load IPython config after inputrc if user has customized
if self._custom_readline_config:
for rlcommand in self.readline_parse_and_bind:
readline.parse_and_bind(rlcommand)
# Remove some chars from the delimiters list. If we encounter
# unicode chars, discard them.
delims = readline.get_completer_delims()
if not py3compat.PY3:
delims = delims.encode("ascii", "ignore")
for d in self.readline_remove_delims:
delims = delims.replace(d, "")
delims = delims.replace(ESC_MAGIC, '')
readline.set_completer_delims(delims)
# Store these so we can restore them if something like rpy2 modifies
# them.
self.readline_delims = delims
# otherwise we end up with a monster history after a while:
readline.set_history_length(self.history_length)
self.refill_readline_hist()
self.readline_no_record = ReadlineNoRecord(self)
# Configure auto-indent for all platforms
self.set_autoindent(self.autoindent)
o.prompt_out = "Out[\#]: "
o.prompts_pad_left = 1
o.autoindent = 1
o.readline_remove_delims = "-/~"
o.readline_merge_completions = 1
o.readline = 1
rlopts = """\
tab: complete
"\C-l": possible-completions
set show-all-if-ambiguous on
"\C-o": tab-insert
"\M-i": " "
"\M-o": "\d\d\d\d"
"\M-I": "\d\d\d\d"
"\C-r": reverse-search-history
"\C-s": forward-search-history
"\C-p": history-search-backward
"\C-n": history-search-forward
"\e[A": history-search-backward
"\e[B": history-search-forward
"\C-k": kill-line
"\C-u": unix-line-discard"""
if readline.have_readline:
for cmd in rlopts.split("\n"):
readline.parse_and_bind(cmd)
