add proc-partitions parser

docs/parsers/proc_partitions.md

@@ -0,0 +1,100 @@
+[Home](https://kellyjonbrazil.github.io/jc/)
+<a id="jc.parsers.proc_partitions"></a>
+
+# jc.parsers.proc\_partitions
+
+jc - JSON Convert `/proc/partitions` file parser
+
+Usage (cli):
+
+    $ cat /proc/partitions | jc --proc
+
+or
+
+    $ jc /proc/partitions
+
+or
+
+    $ cat /proc/partitions | jc --proc-partitions
+
+Usage (module):
+
+    import jc
+    result = jc.parse('proc', proc_partitions_file)
+
+or
+
+    import jc
+    result = jc.parse('proc_partitions', proc_partitions_file)
+
+Schema:
+
+    [
+      {
+        "major":                  integer,
+        "minor":                  integer,
+        "num_blocks":             integer,
+        "name":                   string
+      }
+    ]
+
+Examples:
+
+    $ cat /proc/partitions | jc --proc -p
+    [
+      {
+        "major": 7,
+        "minor": 0,
+        "num_blocks": 56896,
+        "name": "loop0"
+      },
+      {
+        "major": 7,
+        "minor": 1,
+        "num_blocks": 56868,
+        "name": "loop1"
+      },
+      ...
+    ]
+
+    $ cat /proc/partitions | jc --proc_partitions -p -r
+    [
+      {
+        "major": "7",
+        "minor": "0",
+        "num_blocks": "56896",
+        "name": "loop0"
+      },
+      {
+        "major": "7",
+        "minor": "1",
+        "num_blocks": "56868",
+        "name": "loop1"
+      },
+      ...
+    ]
+
+<a id="jc.parsers.proc_partitions.parse"></a>
+
+### parse
+
+```python
+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.
+
+### Parser Information
+Compatibility:  linux
+
+Version 1.0 by Kelly Brazil (kellyjonbrazil@gmail.com)

jc/lib.py

@@ -102,6 +102,7 @@ parsers = [
     'proc-modules',
     'proc-mtrr',
     'proc-pagetypeinfo',
+    'proc-partitions',
     'proc-pid-numa-maps',
     'ps',
     'route',

jc/parsers/proc_partitions.py

@@ -0,0 +1,141 @@
+"""jc - JSON Convert `/proc/partitions` file parser
+
+Usage (cli):
+
+    $ cat /proc/partitions | jc --proc
+
+or
+
+    $ jc /proc/partitions
+
+or
+
+    $ cat /proc/partitions | jc --proc-partitions
+
+Usage (module):
+
+    import jc
+    result = jc.parse('proc', proc_partitions_file)
+
+or
+
+    import jc
+    result = jc.parse('proc_partitions', proc_partitions_file)
+
+Schema:
+
+    [
+      {
+        "major":                  integer,
+        "minor":                  integer,
+        "num_blocks":             integer,
+        "name":                   string
+      }
+    ]
+
+Examples:
+
+    $ cat /proc/partitions | jc --proc -p
+    [
+      {
+        "major": 7,
+        "minor": 0,
+        "num_blocks": 56896,
+        "name": "loop0"
+      },
+      {
+        "major": 7,
+        "minor": 1,
+        "num_blocks": 56868,
+        "name": "loop1"
+      },
+      ...
+    ]
+
+    $ cat /proc/partitions | jc --proc_partitions -p -r
+    [
+      {
+        "major": "7",
+        "minor": "0",
+        "num_blocks": "56896",
+        "name": "loop0"
+      },
+      {
+        "major": "7",
+        "minor": "1",
+        "num_blocks": "56868",
+        "name": "loop1"
+      },
+      ...
+    ]
+"""
+from typing import List, Dict
+import jc.utils
+from jc.parsers.universal import simple_table_parse
+
+
+class info():
+    """Provides parser metadata (version, author, etc.)"""
+    version = '1.0'
+    description = '`/proc/partitions` file parser'
+    author = 'Kelly Brazil'
+    author_email = 'kellyjonbrazil@gmail.com'
+    compatible = ['linux']
+    hidden = True
+
+
+__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.
+    """
+    for entry in proc_data:
+        for key in entry:
+            try:
+                entry[key] = int(entry[key])
+            except Exception:
+                pass
+
+    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 = []
+
+    if jc.utils.has_data(data):
+
+        cleandata = list(filter(None, data.splitlines()))
+        cleandata[0] = cleandata[0].replace('#', 'num_')
+        raw_output = simple_table_parse(cleandata)
+
+    return raw_output if raw else _process(raw_output)

man/jc.1

@@ -495,6 +495,11 @@ PLIST file parser
 \fB--proc-pagetypeinfo\fP
 `/proc/pagetypeinfo` file parser
 
+.TP
+.B
+\fB--proc-partitions\fP
+`/proc/partitions` file parser
+
 .TP
 .B
 \fB--proc-pid-numa-maps\fP