aws-cli/awscli/completer.py at develop · Processoriented/aws-cli · GitHub

History

executable file

179 lines (161 loc) · 6.79 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

# Licensed under the Apache License, Version 2.0 (the "License"). You

# may not use this file except in compliance with the License. A copy of

# the License is located at

# http://aws.amazon.com/apache2.0/

# or in the "license" file accompanying this file. This file is

# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF

# ANY KIND, either express or implied. See the License for the specific

# language governing permissions and limitations under the License.

import awscli.clidriver

import sys

import logging

import copy

LOG = logging.getLogger(__name__)

class Completer(object):

def __init__(self):

self.driver = awscli.clidriver.create_clidriver()

self.main_hc = self.driver.create_help_command()

self.main_options = self._documented(self.main_hc.arg_table)

self.cmdline = None

self.point = None

self.command_hc = None

self.subcommand_hc = None

self.command_name = None

self.subcommand_name = None

self.current_word = None

self.previous_word = None

self.non_options = None

def _complete_option(self, option_name):

if option_name == '--endpoint-url':

return []

if option_name == '--output':

cli_data = self.driver.session.get_data('cli')

return cli_data['options']['output']['choices']

if option_name == '--profile':

return self.driver.session.available_profiles

return []

def _complete_provider(self):

retval = []

if self.current_word.startswith('-'):

cw = self.current_word.lstrip('-')

l = ['--' + n for n in self.main_options

if n.startswith(cw)]

retval = l

elif self.current_word == 'aws':

retval = self._documented(self.main_hc.command_table)

else:

# Otherwise, see if they have entered a partial command name

retval = self._documented(self.main_hc.command_table,

startswith=self.current_word)

return retval

def _complete_command(self):

retval = []

if self.current_word == self.command_name:

if self.command_hc:

retval = self._documented(self.command_hc.command_table)

elif self.current_word.startswith('-'):

retval = self._find_possible_options()

else:

# See if they have entered a partial command name

if self.command_hc:

retval = self._documented(self.command_hc.command_table,

startswith=self.current_word)

return retval

def _documented(self, table, startswith=None):

names = []

for key, command in table.items():

if getattr(command, '_UNDOCUMENTED', False):

# Don't tab complete undocumented commands/params

continue

if startswith is not None and not key.startswith(startswith):

continue

if getattr(command, 'positional_arg', False):

continue

names.append(key)

return names

def _complete_subcommand(self):

retval = []

if self.current_word == self.subcommand_name:

retval = []

elif self.current_word.startswith('-'):

retval = self._find_possible_options()

return retval

def _find_possible_options(self):

all_options = copy.copy(self.main_options)

if self.subcommand_hc:

all_options = all_options + self._documented(self.subcommand_hc.arg_table)

for opt in self.options:

# Look thru list of options on cmdline. If there are

# options that have already been specified and they are

# not the current word, remove them from list of possibles.

if opt != self.current_word:

stripped_opt = opt.lstrip('-')

if stripped_opt in all_options:

all_options.remove(stripped_opt)

cw = self.current_word.lstrip('-')

possibles = ['--' + n for n in all_options if n.startswith(cw)]

if len(possibles) == 1 and possibles[0] == self.current_word:

return self._complete_option(possibles[0])

return possibles

def _process_command_line(self):

# Process the command line and try to find:

# - command_name

# - subcommand_name

# - words

# - current_word

# - previous_word

# - non_options

# - options

self.command_name = None

self.subcommand_name = None

self.words = self.cmdline[0:self.point].split()

self.current_word = self.words[-1]

if len(self.words) >= 2:

self.previous_word = self.words[-2]

else:

self.previous_word = None

self.non_options = [w for w in self.words if not w.startswith('-')]

self.options = [w for w in self.words if w.startswith('-')]

# Look for a command name in the non_options

for w in self.non_options:

if w in self.main_hc.command_table:

self.command_name = w

cmd_obj = self.main_hc.command_table[self.command_name]

self.command_hc = cmd_obj.create_help_command()

if self.command_hc and self.command_hc.command_table:

# Look for subcommand name

for w in self.non_options:

if w in self.command_hc.command_table:

self.subcommand_name = w

cmd_obj = self.command_hc.command_table[self.subcommand_name]

self.subcommand_hc = cmd_obj.create_help_command()

break

def complete(self, cmdline, point):

self.cmdline = cmdline

self.command_name = None

if point is None:

point = len(cmdline)

self.point = point

self._process_command_line()

if not self.command_name:

# If we didn't find any command names in the cmdline

# lets try to complete provider options

return self._complete_provider()

if self.command_name and not self.subcommand_name:

return self._complete_command()

return self._complete_subcommand()

def complete(cmdline, point):

choices = Completer().complete(cmdline, point)

print(' \n'.join(choices))

if __name__ == '__main__':

if len(sys.argv) == 3:

cmdline = sys.argv[1]

point = int(sys.argv[2])

elif len(sys.argv) == 2:

cmdline = sys.argv[1]

else:

print('usage: %s <cmdline> <point>' % sys.argv[0])

sys.exit(1)

print(complete(cmdline, point))

aws-cli/awscli/completer.py at develop · Processoriented/aws-cli · GitHub

Expand file tree

Breadcrumbs

completer.py

Latest commit

History

Breadcrumbs

completer.py

File metadata and controls