/usr/lib/python2.7/dist-packages/PySPH-1.0a4.dev0-py2.7-linux-x86_64.egg/pysph/examples/run.py is in python-pysph 0~20160514.git91867dc-4build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 | """List and run PySPH examples.
One can optionally supply the name of the example and any additional arguments.
"""
from __future__ import print_function
import argparse
import ast
import os
import sys
HERE = os.path.dirname(__file__)
def _exec_file(filename):
ns = {'__name__':'__main__', '__file__': filename}
if sys.version_info[0] > 2:
co = compile(open(filename, 'rb').read(), filename, 'exec')
exec(co, ns)
else:
execfile(filename, ns)
def _extract_full_doc(filename):
p = ast.parse(open(filename, 'rb').read())
return ast.get_docstring(p)
def _extract_short_doc(dirname, fname):
return open(os.path.join(dirname, fname)).readline()[3:].strip()
def _get_module(fname):
start = fname
parts = ['pysph.examples']
while os.path.dirname(start) != '':
dirname, start = os.path.split(start)
parts.append(dirname)
return '.'.join(parts + [start[:-3]])
def example_info(module, filename):
print("Information for example: %s"%module)
print(_extract_full_doc(filename))
def get_all_examples():
basedir = HERE
examples = []
_ignore = [['run.py'], ['ghia_cavity_data.py'], ['db_exp_data.py'],
['tests', 'test_examples.py']]
ignore = [os.path.abspath(os.path.join(basedir, *pth))
for pth in _ignore]
for dirpath, dirs, files in os.walk(basedir):
rel_dir = os.path.relpath(dirpath, basedir)
if rel_dir == '.':
rel_dir = ''
py_files = [x for x in files
if x.endswith('.py') and not x.startswith('_')]
data = []
for f in py_files:
path = os.path.join(rel_dir, f)
full_path = os.path.join(basedir, path)
if os.path.abspath(full_path) in ignore:
continue
module = _get_module(path)
doc = _extract_short_doc(dirpath, f)
data.append((module, doc))
examples.extend(data)
return examples
def get_input(prompt):
if sys.version_info[0] > 2:
return input(prompt)
else:
return raw_input(prompt)
def get_path(module):
"""Return the path to the module filename given the module.
"""
x = module[len('pysph.examples.'):].split('.')
x[-1] = x[-1] + '.py'
return os.path.join(HERE, *x)
def guess_correct_module(example):
"""Given some form of the example name guess and return a reasonable
module.
Examples
--------
>>> guess_correct_module('elliptical_drop')
'pysph.examples.elliptical_drop'
>>> guess_correct_module('pysph.examples.elliptical_drop')
'pysph.examples.elliptical_drop'
>>> guess_correct_module('solid_mech.rings')
'pysph.examples.solid_mech.rings'
>>> guess_correct_module('solid_mech/rings.py')
'pysph.examples.solid_mech.rings'
>>> guess_correct_module('solid_mech/rings')
'pysph.examples.solid_mech.rings'
"""
if example.endswith('.py'):
example = example[:-3]
example = example.replace('/', '.')
if not example.startswith('pysph.examples.'):
module = 'pysph.examples.' + example
else:
module = example
return module
def cat_example(module):
filename = get_path(module)
print("# File: %s"%filename)
print(open(filename).read())
def list_examples(examples):
for idx, (module, doc) in enumerate(examples):
print("%d. %s"%(idx+1, module[len('pysph.examples.'):]))
print(" %s"%doc)
def run_command(module, args):
print("Running example %s.\n"%module)
filename = get_path(module)
if '-h' not in args and '--help' not in args:
example_info(module, filename)
# FIXME: This is ugly but we want the user to be able to run
# mpirun -np 4 pysph run elliptical_drop
# This necessitates that we do not use subprocess. The cleaner alternative
# is to expect each user to write a main function which accepts args that
# we can call. For now we just clobber sys.argv.
sys.argv = [filename] + args
_exec_file(filename)
def main(argv=None):
if argv is None:
argv = sys.argv[1:]
examples = get_all_examples()
parser = argparse.ArgumentParser(
prog="run", description=__doc__, add_help=False
)
parser.add_argument(
"-h", "--help", action="store_true", default=False, dest="help",
help="show this help message and exit"
)
parser.add_argument(
"-l", "--list", action="store_true", default=False, dest="list",
help="List examples"
)
parser.add_argument(
"--cat", action="store_true", default=False, dest="cat",
help="Show/cat the example code on stdout"
)
parser.add_argument(
"args", type=str, nargs="?",
help='''optional example name (for example both cavity or
pysph.examples.cavity will work) and arguments to the example.'''
)
if len(argv) > 0 and argv[0] in ['-h', '--help']:
parser.print_help()
sys.exit()
options, extra = parser.parse_known_args(argv)
if options.list:
return list_examples(examples)
if options.cat:
module = guess_correct_module(options.args)
return cat_example(module)
if len(argv) > 0:
module = guess_correct_module(argv[0])
run_command(module, argv[1:])
else:
list_examples(examples)
ans = int(get_input("Enter example number you wish to run: "))
if ans < 1 or ans > len(examples):
print("Invalid example number, exiting!")
sys.exit()
args = str(get_input("Enter additional arguments (leave blank to skip): "))
module, doc = examples[ans-1]
print("-"*80)
run_command(module, args.split())
if __name__ == '__main__':
main()
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