WIP add environment variable support to man generator

scripts/chainlib-man.py

@@ -0,0 +1,95 @@
+#!/usr/bin/python3
+
+import logging
+import os
+import sys
+import argparse
+import tempfile
+import shutil
+
+from hexathon import strip_0x, add_0x
+
+from chainlib.cli.man import (
+        DocGenerator,
+        apply_groff,
+        )
+from chainlib.cli.base import argflag_std_base
+from chainlib.cli.arg import ArgumentParser as ChainlibArgumentParser
+from chainlib.eth.cli.config import Config
+        
+
+logging.basicConfig(level=logging.WARNING)
+logg = logging.getLogger()
+
+argparser = argparse.ArgumentParser()
+argparser.add_argument('-b', default=add_0x(hex(argflag_std_base)), help='argument flag bitmask')
+argparser.add_argument('-c', help='config override directory')
+argparser.add_argument('-n', help='tool name to use for man filename')
+argparser.add_argument('-d', default='.', help='output directory')
+argparser.add_argument('-v', action='store_true', help='turn on debug logging')
+argparser.add_argument('--overrides-file', dest='overrides_file', help='load options description override from file')
+argparser.add_argument('--overrides-env-file', dest='overrides_env_file', help='load envionment description overrides from file')
+argparser.add_argument('header_file', help='groff file containing heading, synopsis and description')
+args = argparser.parse_args(sys.argv[1:])
+
+if args.v:
+    logg.setLevel(logging.DEBUG)
+            
+
+b = bytes.fromhex(strip_0x(args.b))
+flags = int.from_bytes(b, byteorder='little')
+
+empty_args = ChainlibArgumentParser(flags).parse_args([])
+config = Config.from_args(empty_args, arg_flags=flags)
+g = DocGenerator(flags, config)
+
+toolname = args.n
+if toolname == None:
+    parts = os.path.splitext(os.path.basename(args.header_file))
+    toolname = parts[0]
+
+g.process()
+
+if args.overrides_file != None:
+    f = open(args.overrides_file, 'r')
+    while True:
+        s = f.readline()
+        if len(s) == 0:
+            break
+        v = s.split('\t', maxsplit=2)
+        fargs = None
+        try:
+            fargs = v[2].rstrip().split(',')
+        except IndexError:
+            fargs = []
+        g.override_arg(v[0], v[1], fargs)
+    f.close()
+
+
+s_env = ''
+if args.overrides_env_file != None:
+    f = open(args.overrides_env_file, 'r')
+    while True:
+        s = f.readline()
+        if len(s) == 0:
+            break
+        (k, description) = s.split('\t', maxsplit=1)
+        v = config.get(k)
+        s_env += apply_groff([k], description)
+
+print(s_env)
+
+f = open(args.header_file)
+head = f.read()
+f.close()
+
+(fd, fp) = tempfile.mkstemp()
+f = os.fdopen(fd, 'w')
+f.write(head)
+f.write(str(g))
+f.close()
+
+dest = os.path.join(args.d, toolname + '.1')
+shutil.copyfile(fp, dest)
+
+os.unlink(fp)

scripts/man.py

@@ -1,42 +0,0 @@
-import os
-import sys
-import argparse
-import tempfile
-import shutil
-
-from hexathon import strip_0x, add_0x
-
-from chainlib.cli.man import DocGenerator
-from chainlib.cli.base import argflag_std_base
-
-argparser = argparse.ArgumentParser()
-argparser.add_argument('-b', default=add_0x(hex(argflag_std_base)), help='argument flag bitmask')
-argparser.add_argument('-n', help='tool name to use for man filename')
-argparser.add_argument('-d', default='.', help='output directory')
-argparser.add_argument('header_file', help='groff file containing heading, synopsis and description')
-args = argparser.parse_args(sys.argv[1:])
-
-#b = bytes.fromhex(strip_0x(sys.argv[1]))
-b = bytes.fromhex(strip_0x(args.b))
-g = DocGenerator(int.from_bytes(b, byteorder='little'))
-g.process()
-
-f = open(args.header_file)
-head = f.read()
-f.close()
-
-toolname = args.n
-if toolname == None:
-    parts = os.path.splitext(os.path.basename(args.header_file))
-    toolname = parts[0]
-
-(fd, fp) = tempfile.mkstemp()
-f = os.fdopen(fd, 'w')
-f.write(head)
-f.write(str(g))
-f.close()
-
-dest = os.path.join(args.d, toolname + '.1')
-shutil.copyfile(fp, dest)
-
-os.unlink(fp)