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Split up the base_parser function

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The goal of breaking apart the base_parser() function is to get rid of
a bunch of conditionals and parameters in the code and, instead, make
code look like simple composition.

When splitting, a choice had to be made as to whether this would operate
by side effect (modifying a passed in parser) or side effect-free
(returning a new parser everytime).

Making a version that's side-effect-free appears to be fighting with the
optparse API (it wants to work by creating a parser object, configuring
the object, and then parsing the arguments with it) so instead, make it
clear that our helper functions are modifying the passed in parser by
(1) not returning the parser and (2) changing the function names to be
more clear that it is operating by side-effect.

Also move all of the generic optparse code, along with the argument
context classes, into a new subdirectory.
This commit is contained in:
Toshio Kuratomi
2018-12-19 00:28:33 -08:00
parent afdbb0d9d5
commit 7e92ff823e
21 changed files with 545 additions and 486 deletions
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16
lib/ansible/cli/inventory.py
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@@ -10,11 +10,11 @@ from operator import attrgetter
from ansible import constants as C
from ansible import context
from ansible.arguments import optparse_helpers as opt_help
from ansible.cli import CLI
from ansible.errors import AnsibleError, AnsibleOptionsError
from ansible.inventory.host import Host
from ansible.plugins.loader import vars_loader
from ansible.parsing.dataloader import DataLoader
from ansible.utils.vars import combine_vars
from ansible.utils.display import Display
@@ -57,13 +57,13 @@ class InventoryCLI(CLI):
def init_parser(self):
self.parser = super(InventoryCLI, self).init_parser(
super(InventoryCLI, self).init_parser(
usage='usage: %prog [options] [host|group]',
epilog='Show Ansible inventory information, by default it uses the inventory script JSON format',
inventory_opts=True,
vault_opts=True,
basedir_opts=True,
)
epilog='Show Ansible inventory information, by default it uses the inventory script JSON format')
opt_help.add_inventory_options(self.parser)
opt_help.add_vault_options(self.parser)
opt_help.add_basedir_options(self.parser)
# remove unused default options
self.parser.remove_option('--limit')
@@ -92,8 +92,6 @@ class InventoryCLI(CLI):
# self.parser.add_option("--ignore-vars-plugins", action="store_true", default=False, dest='ignore_vars_plugins',
# help="When doing an --list, skip vars data from vars plugins, by default, this would include group_vars/ and host_vars/")
return self.parser
def post_process_args(self, options, args):
display.verbosity = options.verbosity
self.validate_conflicts(options, vault_opts=True)