add dmidecode parser

jc/cli.py

@@ -35,6 +35,7 @@ parsers = [
     'csv',
     'df',
     'dig',
+    'dmidecode',
     'du',
     'env',
     'file',

jc/parsers/dmidecode.py

@@ -0,0 +1,174 @@
+"""jc - JSON CLI output utility dmidecode Parser
+
+Usage:
+
+    specify --dmidecode as the first argument if the piped input is coming from dmidecode
+
+Compatibility:
+
+    'linux'
+
+Examples:
+
+    $ dmidecode | jc --dmidecode -p
+    []
+
+    $ dmidecode | jc --dmidecode -p -r
+    []
+"""
+import jc.utils
+
+
+class info():
+    version = '1.0'
+    description = 'dmidecode command parser'
+    author = 'Kelly Brazil'
+    author_email = 'kellyjonbrazil@gmail.com'
+    # details = 'enter any other details here'
+
+    # compatible options: linux, darwin, cygwin, win32, aix, freebsd
+    compatible = ['linux']
+    magic_commands = ['dmidecode']
+
+
+__version__ = info.version
+
+
+def process(proc_data):
+    """
+    Final processing to conform to the schema.
+
+    Parameters:
+
+        proc_data:   (dictionary) raw structured data to process
+
+    Returns:
+
+        List of dictionaries. Structured data with the following schema:
+
+        [
+          {
+            "dmidecode":     string,
+            "bar":     boolean,
+            "baz":     integer
+          }
+        ]
+    """
+
+    # rebuild output for added semantic information
+    return proc_data
+
+
+def parse(data, raw=False, quiet=False):
+    """
+    Main text parsing function
+
+    Parameters:
+
+        data:        (string)  text data to parse
+        raw:         (boolean) output preprocessed JSON if True
+        quiet:       (boolean) suppress warning messages if True
+
+    Returns:
+
+        List of dictionaries. Raw or processed structured data.
+    """
+    if not quiet:
+        jc.utils.compatibility(__name__, info.compatible)
+
+    item_header = False
+    item_values = False
+    value_list = False
+    item = None
+    attribute = None
+    values = None
+    raw_output = []
+
+    for line in filter(None, data.replace('\t', '').splitlines()):
+
+        # header
+        if line.startswith('Handle ') and line.endswith('bytes'):
+            item_header = True
+            item_values = False
+            value_list = False
+
+            if item:
+                raw_output.append(item)
+
+            # Handle 0x0000, DMI type 0, 24 bytes
+            header = line.replace(',', ' ').split()
+            item = {
+                'handle': header[1],
+                'type': header[4],
+                'bytes': header[5]
+            }
+            continue
+
+        # description
+        if item_header:
+            item_header = False
+            item_values = True
+            value_list = False
+
+            item['description'] = line
+            item['values'] = {}
+            continue
+
+        # keys and values
+        if item_values and not value_list and not line.strip().endswith(':'):
+            item_header = False
+            item_values = True
+            value_list = False
+
+            if values:
+                item['values'][attribute] = values
+                values = []
+
+            if len(line.split(':', maxsplit=1)) == 2:
+                key = line.split(':', maxsplit=1)[0].strip().lower().replace(' ', '_')
+                val = line.split(':', maxsplit=1)[1].strip()
+                item['values'].update({key: val})
+            else:
+                pass
+            continue
+
+        # back to keys and values when inside multi-line key
+        if item_values and value_list and len(line.split(':', maxsplit=1)) == 2:
+            item_header = False
+            item_values = True
+            value_list = False
+
+            if values:
+                item['values'][attribute] = values
+                values = []
+
+            key = line.split(':', maxsplit=1)[0].strip().lower().replace(' ', '_')
+            val = line.split(':', maxsplit=1)[1].strip()
+            item['values'].update({key: val})
+            continue
+
+        # multi-line key
+        if item_values and line.strip().endswith(':'):
+            item_header = False
+            item_values = True
+            value_list = True
+
+            if values:
+                item['values'][attribute] = values
+
+            attribute = line[:-1].strip().lower().replace(' ', '_')
+            values = []
+            continue
+
+        # multi-line values
+        if value_list:
+            values.append(line)
+            continue
+
+    if item:
+        raw_output.append(item)
+
+    if raw:
+        return raw_output
+    else:
+        return process(raw_output)