annotate launch @ 25:e93e5e746cc5 draft header-includes

Preliminary debugging, still not fully tested.
author David Barts <n5jrn@me.com>
date Sun, 26 May 2019 11:43:48 -0700
parents e88ab99914cf
children ce67eac10fc7
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0d47859f792a Finally got "hello, world" working. Still likely many bugs.
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1 #!/usr/bin/env python3
0d47859f792a Finally got "hello, world" working. Still likely many bugs.
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2 # XXX - This code must not be in tincan.py, because the built-in class
0d47859f792a Finally got "hello, world" working. Still likely many bugs.
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3 # loader will then confuse __main__.Page and tincan.Page, and fail to
0d47859f792a Finally got "hello, world" working. Still likely many bugs.
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4 # locate the code-behind.
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0d47859f792a Finally got "hello, world" working. Still likely many bugs.
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6 # I m p o r t s
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8 import os, sys
0d47859f792a Finally got "hello, world" working. Still likely many bugs.
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9 from argparse import ArgumentParser
0d47859f792a Finally got "hello, world" working. Still likely many bugs.
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10 from tincan import launch
0d47859f792a Finally got "hello, world" working. Still likely many bugs.
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11
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12 # V a r i a b l e s
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13
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14 MYNAME = os.path.basename(sys.argv[0])
0d47859f792a Finally got "hello, world" working. Still likely many bugs.
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0d47859f792a Finally got "hello, world" working. Still likely many bugs.
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16 # M a i n P r o g r a m
0d47859f792a Finally got "hello, world" working. Still likely many bugs.
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17
0d47859f792a Finally got "hello, world" working. Still likely many bugs.
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18 parser = ArgumentParser(prog=sys.argv[0], usage="%(prog)s [options] [directory [path]]")
0d47859f792a Finally got "hello, world" working. Still likely many bugs.
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19 opt = parser.add_argument
0d47859f792a Finally got "hello, world" working. Still likely many bugs.
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20 opt("-b", "--bind", default="localhost", help="address to bind to")
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21 opt("-d", "--debug", action="store_true", help="enable debug mode")
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22 opt("-f", "--force", action="store_true", help="do not abort on errors")
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0d47859f792a Finally got "hello, world" working. Still likely many bugs.
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23 opt("-p", "--port", default=8080, help="port to listen on")
0d47859f792a Finally got "hello, world" working. Still likely many bugs.
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24 opt("directory", default=".", help="directory to serve", nargs='?')
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25 opt("path", default="/", help="URL path to serve", nargs='?')
0d47859f792a Finally got "hello, world" working. Still likely many bugs.
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26 args = parser.parse_args(sys.argv[1:])
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27 app, errors = launch(fsroot=args.directory, urlroot=args.path, debug=args.debug)
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28 if errors:
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29 action = "continuing" if args.force else "aborting"
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30 sys.stderr.write("{0}: {1} error{2} detected, {3}\n".format(
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31 MYNAME, errors, "" if errors == 1 else "s", action))
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32 if not args.force: sys.exit(1)
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0d47859f792a Finally got "hello, world" working. Still likely many bugs.
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33 app.run(host=args.bind, port=args.port)