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Directory :  /proc/2/root/lib/python3/dist-packages/ansible_collections/ansible/posix/plugins/shell/

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Current File : /proc/2/root/lib/python3/dist-packages/ansible_collections/ansible/posix/plugins/shell/fish.py
# Copyright (c) 2014, Chris Church <chris@ninemoreminutes.com>
# Copyright (c) 2017 Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type

DOCUMENTATION = '''
    name: fish
    short_description: fish shell (/bin/fish)
    description:
      - This is here because some people are restricted to fish.
    extends_documentation_fragment:
      - shell_common
'''

from ansible.module_utils.six import text_type
from ansible.module_utils.six.moves import shlex_quote
from ansible.plugins.shell.sh import ShellModule as ShModule


class ShellModule(ShModule):

    # Common shell filenames that this plugin handles
    COMPATIBLE_SHELLS = frozenset(('fish',))
    # Family of shells this has.  Must match the filename without extension
    SHELL_FAMILY = 'fish'

    _SHELL_EMBEDDED_PY_EOL = '\n'
    _SHELL_REDIRECT_ALLNULL = '> /dev/null 2>&1'
    _SHELL_AND = '; and'
    _SHELL_OR = '; or'
    _SHELL_SUB_LEFT = '('
    _SHELL_SUB_RIGHT = ')'
    _SHELL_GROUP_LEFT = ''
    _SHELL_GROUP_RIGHT = ''

    def env_prefix(self, **kwargs):
        env = self.env.copy()
        env.update(kwargs)
        ret = []
        for k, v in kwargs.items():
            if v is None:
                ret.append('set -e %s;' % k)
            else:
                ret.append('set -lx %s %s;' % (k, shlex_quote(text_type(v))))
        return ' '.join(ret)

    def build_module_command(self, env_string, shebang, cmd, arg_path=None):
        # don't quote the cmd if it's an empty string, because this will break pipelining mode
        if cmd.strip() != '':
            cmd = shlex_quote(cmd)
        cmd_parts = [env_string.strip(), shebang.replace("#!", "").strip(), cmd]
        if arg_path is not None:
            cmd_parts.append(arg_path)
        new_cmd = " ".join(cmd_parts)
        return new_cmd

    def checksum(self, path, python_interp):
        # The following test is fish-compliant.
        #
        # In the following test, each condition is a check and logical
        # comparison (or or and) that sets the rc value.  Every check is run so
        # the last check in the series to fail will be the rc that is
        # returned.
        #
        # If a check fails we error before invoking the hash functions because
        # hash functions may successfully take the hash of a directory on BSDs
        # (UFS filesystem?) which is not what the rest of the ansible code
        # expects
        #
        # If all of the available hashing methods fail we fail with an rc of
        # 0.  This logic is added to the end of the cmd at the bottom of this
        # function.

        # Return codes:
        # checksum: success!
        # 0: Unknown error
        # 1: Remote file does not exist
        # 2: No read permissions on the file
        # 3: File is a directory
        # 4: No python interpreter

        # Quoting gets complex here.  We're writing a python string that's
        # used by a variety of shells on the remote host to invoke a python
        # "one-liner".
        shell_escaped_path = shlex_quote(path)
        test = "set rc flag; [ -r %(p)s ] %(shell_or)s set rc 2; [ -f %(p)s ] %(shell_or)s set rc 1; [ -d %(p)s ] %(shell_and)s set rc 3; %(i)s -V 2>/dev/null %(shell_or)s set rc 4; [ x\"$rc\" != \"xflag\" ] %(shell_and)s echo \"$rc  \"%(p)s %(shell_and)s exit 0" % dict(p=shell_escaped_path, i=python_interp, shell_and=self._SHELL_AND, shell_or=self._SHELL_OR)  # NOQA
        csums = [
            u"({0} -c 'import hashlib; BLOCKSIZE = 65536; hasher = hashlib.sha1();{2}afile = open(\"'{1}'\", \"rb\"){2}buf = afile.read(BLOCKSIZE){2}while len(buf) > 0:{2}\thasher.update(buf){2}\tbuf = afile.read(BLOCKSIZE){2}afile.close(){2}print(hasher.hexdigest())' 2>/dev/null)".format(python_interp, shell_escaped_path, self._SHELL_EMBEDDED_PY_EOL),  # NOQA  Python > 2.4 (including python3)
            u"({0} -c 'import sha; BLOCKSIZE = 65536; hasher = sha.sha();{2}afile = open(\"'{1}'\", \"rb\"){2}buf = afile.read(BLOCKSIZE){2}while len(buf) > 0:{2}\thasher.update(buf){2}\tbuf = afile.read(BLOCKSIZE){2}afile.close(){2}print(hasher.hexdigest())' 2>/dev/null)".format(python_interp, shell_escaped_path, self._SHELL_EMBEDDED_PY_EOL),  # NOQA  Python == 2.4
        ]

        cmd = (" %s " % self._SHELL_OR).join(csums)
        cmd = "%s; %s %s (echo \'0  \'%s)" % (test, cmd, self._SHELL_OR, shell_escaped_path)
        return cmd

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AnonSec Team