Repository navigation
Expand file tree
/
Copy pathargs.py
More file actions
149 lines (124 loc) · 4.5 KB
/
Copy pathargs.py
File metadata and controls
149 lines (124 loc) · 4.5 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
# encoding: utf-8
"""
Module to handle command line argument parsing, for all front-ends.
"""
from __future__ import print_function, absolute_import
import code
import imp
import os
import sys
from optparse import OptionParser, OptionGroup
from . import __version__
from .config import default_config_path, loadini, Struct
from .translations import _
class OptionParserFailed(ValueError):
"""Raised by the RaisingOptionParser for a bogus commandline."""
class RaisingOptionParser(OptionParser):
def error(self, msg):
raise OptionParserFailed()
def version_banner():
return "bpython version %s on top of Python %s %s" % (
__version__,
sys.version.split()[0],
sys.executable,
)
def parse(args, extras=None, ignore_stdin=False):
"""Receive an argument list - if None, use sys.argv - parse all args and
take appropriate action. Also receive optional extra options: this should
be a tuple of (title, description, options)
title: The title for the option group
description: A full description of the option group
options: A list of optparse.Option objects to be added to the
group
e.g.:
parse(
['-i', '-m', 'foo.py'],
('Front end-specific options',
'A full description of what these options are for',
[optparse.Option('-f', action='store_true', dest='f', help='Explode'),
optparse.Option('-l', action='store_true', dest='l', help='Love')]))
Return a tuple of (config, options, exec_args) wherein "config" is the
config object either parsed from a default/specified config file or default
config options, "options" is the parsed options from
OptionParser.parse_args, and "exec_args" are the args (if any) to be parsed
to the executed file (if any).
"""
if args is None:
args = sys.argv[1:]
parser = RaisingOptionParser(
usage=_(
"Usage: %prog [options] [file [args]]\n"
"NOTE: If bpython sees an argument it does "
"not know, execution falls back to the "
"regular Python interpreter."
)
)
# This is not sufficient if bpython gains its own -m support
# (instead of falling back to Python itself for that).
# That's probably fixable though, for example by having that
# option swallow all remaining arguments in a callback.
parser.disable_interspersed_args()
parser.add_option(
"--config",
default=default_config_path(),
help=_("Use CONFIG instead of default config file."),
)
parser.add_option(
"--interactive",
"-i",
action="store_true",
help=_(
"Drop to bpython shell after running file " "instead of exiting."
),
)
parser.add_option(
"--quiet",
"-q",
action="store_true",
help=_("Don't flush the output to stdout."),
)
parser.add_option(
"--version",
"-V",
action="store_true",
help=_("Print version and exit."),
)
if extras is not None:
extras_group = OptionGroup(parser, extras[0], extras[1])
for option in extras[2]:
extras_group.add_option(option)
parser.add_option_group(extras_group)
try:
options, args = parser.parse_args(args)
except OptionParserFailed:
# Just let Python handle this
os.execv(sys.executable, [sys.executable] + args)
if options.version:
print(version_banner())
print(
"(C) 2008-2016 Bob Farrell, Andreas Stuehrk, Sebastian Ramacher, Thomas Ballinger, et al. "
"See AUTHORS for detail."
)
raise SystemExit
if not ignore_stdin and not (sys.stdin.isatty() and sys.stdout.isatty()):
interpreter = code.InteractiveInterpreter()
interpreter.runsource(sys.stdin.read())
raise SystemExit
config = Struct()
loadini(config, options.config)
return config, options, args
def exec_code(interpreter, args):
"""
Helper to execute code in a given interpreter. args should be a [faked]
sys.argv
"""
with open(args[0], "r") as sourcefile:
source = sourcefile.read()
old_argv, sys.argv = sys.argv, args
sys.path.insert(0, os.path.abspath(os.path.dirname(args[0])))
mod = imp.new_module("__console__")
sys.modules["__console__"] = mod
interpreter.locals = mod.__dict__
interpreter.locals["__file__"] = args[0]
interpreter.runsource(source, args[0], "exec")
sys.argv = old_argv