Implemented local tables selection flag and helper function

pybufrkit/__init__.py

@@ -16,8 +16,8 @@
 
 import argparse
 import logging
+from pathlib import Path
 import sys
-
 from pybufrkit.commands import (command_compile,
                                 command_decode,
                                 command_encode,
@@ -32,6 +32,7 @@
                               QueryError,
                               UnknownDescriptor,
                               PyBufrKitError)
+from pybufrkit.constants import DEFAULT_TABLES_DIR
 
 __version__ = '0.2.23'
 __author__ = 'ywangd@gmail.com'
@@ -40,6 +41,10 @@
 LOGGER.addHandler(logging.NullHandler())  # so testings do not complain about no handler
 
 
+def get_local_table_dir(entity):
+    return Path(DEFAULT_TABLES_DIR).parent / entity
+
+
 def main():
     ap = argparse.ArgumentParser(prog=__name__,
                                  description='Pure Python Toolkit for BUFR Messages',
@@ -59,8 +64,11 @@ def main():
     ap.add_argument('-d', '--definitions-directory',
                     help='The directory to locate definition files')
 
-    ap.add_argument('-t', '--tables-root-directory',
-                    help='The directory to locate BUFR tables')
+    group = ap.add_mutually_exclusive_group()
+    group.add_argument('-t', '--tables-root-directory',
+                       help='The directory to locate BUFR tables')
+    group.add_argument('-l', '--local-entity-name',
+                       help='The entity name for local tables')
 
     subparsers = ap.add_subparsers(
         dest='command',
@@ -262,6 +270,9 @@ def main():
     else:
         logging_level = logging.WARN
 
+    if ns.local_entity_name:
+        ns.tables_root_directory = get_local_table_dir(ns.local_entity_name)
+
     logging.basicConfig(
         stream=sys.stdout,
         level=logging_level,

pybufrkit/constants.py

@@ -19,7 +19,7 @@
 DEFAULT_DEFINITIONS_DIR = os.path.join(BASE_DIR, 'definitions')
 
 # Default directory to load the BUFR tables
-DEFAULT_TABLES_DIR = os.path.join(BASE_DIR, 'tables')
+DEFAULT_TABLES_DIR = os.path.join(BASE_DIR, 'tables/wmo')
 
 NBITS_PER_BYTE = 8
 

pybufrkit/tables/imd/0/0_0

@@ -0,0 +1 @@
+../../wmo/0/0_0

pybufrkit/tables/imd/0/255_255/5/TableB.json

@@ -0,0 +1,27 @@
+{"002181":["Supplementary present weather sensor", "FLAG TABLE", 0, 0, 21,"FLAG TABLE", 0, 7],
+"007192":["Pixel size in Z-direction", "Meters", -1, 0, 16,"Numeric", -1, 5],
+"021036":["Radar rainfall intensity", "mm*h-1", 2, 0, 16,"Numeric", 2, 5],
+"021198":["dBZ-value offset (Alpha)", "dBZ", 0, -640, 11,"Numeric", 0, 5],
+"021199":["dBZ-value increment (Beta)", "dBZ", 1, 0, 7,"Numeric", 1, 3],
+"021200":["Height of CAPPI", "m", 0, -1000, 15,"Numeric", 0, 5],
+"021201":["Range-bin size", "Meter", 0, 0, 14,"Numeric", 0, 4],
+"021202":["Azimuthal resolution", "Degree", 1, 0, 8,"Numeric", 1, 3],
+"021203":["Range-bin offset", "Meter", -1, 0, 14,"Numeric", -1, 5],
+"021204":["Azimuth offset", "Degree", 1, 0, 12,"Numeric", 1, 4],
+"021205":["V-value offset (av)", "m/s", 2, -16384, 15,"Numeric", 2, 5],
+"021206":["V-value increment (bv)", "m/s", 2, 0, 8,"Numeric", 2, 3],
+"021207":["W-value offset (aw)", "m/s", 2, 0, 14,"Numeric", 2, 6],
+"021208":["W-value increment (bw)", "m/s", 2, 0, 8,"Numeric", 2, 3],
+"029192":["Type of rotation ellipsoid", "CODE TABLE", 0, 0, 3,"CODE TABLE", 0, 0],
+"029193":["Long Origin", "Degree", 2, -18000, 16,"Numeric", 2, 6],
+"029194":["Lat Origin", "Degree", 2, -9000, 15,"Numeric", 2, 6],
+"029195":["X-Offset", "Meters", 0, -33554432, 26,"Numeric", 0, 8],
+"029196":["Y-Offset", "Meters", 0, -33554432, 26,"Numeric", 0, 8],
+"029197":["Standard parallel 1", "Degree", 2, -9000, 15,"Numeric", 2, 15],
+"029198":["Standard parallel 2", "Degree", 2, -9000, 15,"Numeric", 2, 15],
+"029199":["Semi-major axis of rotation ellipsoid", "Meters", 0, 0, 26,"Numeric", 0, 9],
+"029200":["Semi-minor axis of rotation ellipsoid", "Meters", 0, 0, 26,"Numeric", 0, 9],
+"029201":["Projection type", "CODE TABLE", 0, 0, 5,"CODE TABLE", 0, 0],
+"029202":["Azimuth of initial line", "Degree", 2, -9000, 15,"Numeric", 0, 2],
+"030192":["North south view organisation", "CODE TABLE", 0, 0, 3,"CODE TABLE", 0, 0],
+"030193":["East west view organisation", "CODE TABLE", 0, 0, 3,"CODE TABLE", 0, 0]}

pybufrkit/tables/imd/0/255_255/5/TableD.json

@@ -0,0 +1,10 @@
+{"301192": ["General information about radar product", ["301011", "301012", "301023", "301023", "301023", "301023", "029201", "005002", "006002", "005033", "006033", "030021", "030022"]],
+"313192": ["Heights of side view", ["101000", "031001", "010007"]],
+"321192": ["4 bit per pixel radar images (top view)", ["110000", "031002", "005031", "107000", "031001", "102000", "031001", "031012", "030001", "101000", "031001", "030001"]],
+"321193": ["8 bit per pixel radar images (top view)", ["110000", "031002", "005031", "107000", "031001", "102000", "031001", "031012", "030002", "101000", "031001", "030002"]],
+"321194": ["4 bit per pixel radar image (north-south view)", ["110000", "031002", "005031", "107000", "031001", "102000", "031001", "031012", "030001", "101000", "031001", "030001"]],
+"321195": ["8 bit per pixel radar image (north-south view)", ["110000", "031002", "005031", "107000", "031001", "102000", "031001", "031012", "030002", "101000", "031001", "030002"]],
+"321196": ["4 bit per pixel radar image (east-west view)", ["110000", "031002", "005031", "107000", "031001", "102000", "031001", "031012", "030001", "101000", "031001", "030001"]],
+"321197": ["8 bit per pixel radar image (east-west view)", ["110000", "031002", "005031", "107000", "031001", "102000", "031001", "031012", "030002", "101000", "031001", "030002"]],
+"321198": ["Rain accumulation product", ["103000", "031002", "101000", "031001", "013016"]],
+"321250": ["List of radars included in a composite", ["104000", "031001", "001001", "001002", "031031", "033003"]]}

pybufrkit/tables/imd/0/98_0

@@ -0,0 +1 @@
+../../wmo/0/98_0

pybufrkit/tables/meteofrance/0/0_0

@@ -0,0 +1 @@
+../../wmo/0/0_0

pybufrkit/tables/meteofrance/0/198_0

@@ -0,0 +1 @@
+85_0/