add update-alternatives --get-selections parser

jc/lib.py

@@ -94,6 +94,7 @@ parsers = [
     'ufw',
     'ufw-appinfo',
     'uname',
+    'update-alt-gs',
     'update-alt-q',
     'upower',
     'uptime',

jc/parsers/update_alt_gs.py

@@ -0,0 +1,111 @@
+"""jc - JSON Convert `update-alternatives --get-selections` command output parser
+
+Usage (cli):
+
+    $ update-alternatives --get-selections | jc --update-alt-gs
+
+    or
+
+    $ jc update-alternatives --get-selections
+
+Usage (module):
+
+    import jc
+    result = jc.parse('update-alt-gs',
+                      update_alternatives_get_selections_command_output)
+
+Schema:
+
+    [
+      {
+        "update-alternatives --get-selection":     string,
+        "bar":     boolean,
+        "baz":     integer
+      }
+    ]
+
+Examples:
+
+    $ update-alternatives --get-selections | jc --update-alt-gs -p
+    [
+      {
+        "name": "arptables",
+        "status": "auto",
+        "current": "/usr/sbin/arptables-nft"
+      },
+      {
+        "name": "awk",
+        "status": "auto",
+        "current": "/usr/bin/gawk"
+      }
+    ]
+"""
+from typing import List, Dict
+import jc.utils
+
+
+class info():
+    """Provides parser metadata (version, author, etc.)"""
+    version = '1.0'
+    description = '`update-alternatives --get-selections` command parser'
+    author = 'Kelly Brazil'
+    author_email = 'kellyjonbrazil@gmail.com'
+    compatible = ['linux']
+    magic_commands = ['update-alternatives --get-selections']
+
+
+__version__ = info.version
+
+
+def _process(proc_data: List[Dict]) -> List[Dict]:
+    """
+    Final processing to conform to the schema.
+
+    Parameters:
+
+        proc_data:   (List of Dictionaries) raw structured data to process
+
+    Returns:
+
+        List of Dictionaries. Structured to conform to the schema.
+    """
+    # nothing to process
+    return proc_data
+
+
+def parse(
+    data: str,
+    raw: bool = False,
+    quiet: bool = False
+) -> List[Dict]:
+    """
+    Main text parsing function
+
+    Parameters:
+
+        data:        (string)  text data to parse
+        raw:         (boolean) unprocessed output if True
+        quiet:       (boolean) suppress warning messages if True
+
+    Returns:
+
+        List of Dictionaries. Raw or processed structured data.
+    """
+    jc.utils.compatibility(__name__, info.compatible, quiet)
+    jc.utils.input_type_check(data)
+
+    raw_output: List = []
+    output_line = {}
+
+    if jc.utils.has_data(data):
+
+        for line in filter(None, data.splitlines()):
+            line_list = line.split(maxsplit=2)
+            output_line = {
+                "name": line_list[0],
+                "status": line_list[1],
+                "current": line_list[2]
+            }
+            raw_output.append(output_line)
+
+    return raw_output if raw else _process(raw_output)

tests/fixtures/generic/update-alternatives-get-selection.out

@@ -0,0 +1,41 @@
+arptables                      auto     /usr/sbin/arptables-nft
+awk                            auto     /usr/bin/gawk
+builtins.7.gz                  auto     /usr/share/man/man7/bash-builtins.7.gz
+c++                            auto     /usr/bin/g++
+c89                            auto     /usr/bin/c89-gcc
+c99                            auto     /usr/bin/c99-gcc
+cc                             auto     /usr/bin/gcc
+cpp                            auto     /usr/bin/cpp
+ebtables                       auto     /usr/sbin/ebtables-nft
+editor                         auto     /bin/nano
+ex                             auto     /usr/bin/vim.basic
+fakeroot                       auto     /usr/bin/fakeroot-sysv
+ftp                            auto     /usr/bin/netkit-ftp
+infobrowser                    auto     /usr/bin/info
+ip6tables                      auto     /usr/sbin/ip6tables-nft
+iptables                       auto     /usr/sbin/iptables-nft
+jsondiff                       auto     /usr/bin/json-patch-jsondiff
+lzma                           auto     /usr/bin/xz
+mt                             auto     /bin/mt-gnu
+nc                             auto     /bin/nc.openbsd
+newt-palette                   auto     /etc/newt/palette.ubuntu
+pager                          auto     /usr/bin/less
+pico                           auto     /bin/nano
+pinentry                       auto     /usr/bin/pinentry-curses
+rcp                            auto     /usr/bin/scp
+rlogin                         auto     /usr/bin/slogin
+rmt                            auto     /usr/sbin/rmt-tar
+rsh                            auto     /usr/bin/ssh
+rview                          auto     /usr/bin/vim.basic
+rvim                           auto     /usr/bin/vim.basic
+sar                            auto     /usr/bin/sar.sysstat
+telnet                         auto     /usr/bin/telnet.netkit
+text.plymouth                  auto     /usr/share/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
+traceroute6                    auto     /usr/bin/traceroute6.iputils
+vi                             auto     /usr/bin/vim.basic
+view                           auto     /usr/bin/vim.basic
+vim                            auto     /usr/bin/vim.basic
+vimdiff                        auto     /usr/bin/vim.basic
+vtrgb                          auto     /etc/console-setup/vtrgb
+w                              auto     /usr/bin/w.procps
+write                          auto     /usr/bin/write.ul