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#!/usr/bin/python3
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.
#
# Developed by: Nasel(http://www.nasel.com.ar)
#
# Authors:
# Matías Fontanini
# Santiago Alessandri
# Gastón Traberg
try:
import readline
except ImportError: #Window systems don't have GNU readline
import pyreadline.windows_readline as readline
readline.rl.mode.show_all_if_ambiguous = "on"
import re
class CompletionManager:
def __init__(self, manager, mole):
self.manager = manager
self.mole = mole
readline.parse_and_bind("tab: complete")
readline.set_completer(self.completer)
readline.set_completer_delims(' \t\n`~!@#$%^&*()=+[{]}\\|;:\'",<>/?')
self.parse_regex = re.compile('("[^"]*"|\'[^\']+\')')
def completer(self, text, state):
if readline.get_begidx() == 0:
# means it's the first word on buffer
return self.generate_commands(text, state)
else:
# not the first word on buffer, may be a parameter
return self.generate_parameters(text, state)
def generate_parameters(self, text, state):
if state == 0:
self.available = []
self.current = 0
try:
line = readline.get_line_buffer()[:readline.get_endidx()].split(' ')
cmd = self.manager.find(line[0])
except:
return 0
current_params = list(filter(lambda x: len(x.strip()) > 0, line[1:-1] if len(line) > 2 else []))
if ',' in text:
text = text.split(',')[-1]
for i in cmd.parameters(self.mole, current_params):
if i[:len(text)] == text:
self.available.append(i)
self.available.sort()
if len(self.available) == 1:
text = self.available[0]
self.available = []
self.current = len(self.available)
return text + cmd.parameter_separator(current_params)
return self.get_completion(text, state)
def generate_commands(self, text, state):
if state == 0:
self.available = []
self.current = 0
for i in self.manager.commands():
if i[0:len(text)] == text:
self.available.append(i)
self.available.sort()
if len(self.available) == 1 and self.available[0] == text:
self.available = []
self.current = len(self.available)
return text + ' '
return self.get_completion(text, state)
def get_completion(self, text, state):
if self.current == len(self.available):
return None
else:
tmp = self.available[self.current]
self.current += 1
return tmp + ' '
def smart_parse(self, line):
output = []
match = self.parse_regex.search(line)
start_index = 0
while match:
output += self.nice_split(line[start_index:match.start()])
start_index += match.end()
output.append(match.groups()[0][1:-1].strip())
match = self.parse_regex.search(line[start_index:])
if start_index < len(line):
output += self.nice_split(line[start_index:])
return output
def nice_split(self, line):
return [i for i in line.strip().split(' ') if len(i) > 0]
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