mirror of https://github.com/sgoudham/Enso-Bot.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
503 lines
13 KiB
Python
503 lines
13 KiB
Python
#!/usr/bin/env python
|
|
#
|
|
# Author: Mike McKerns (mmckerns @caltech and @uqfoundation)
|
|
# Copyright (c) 2008-2016 California Institute of Technology.
|
|
# Copyright (c) 2016-2019 The Uncertainty Quantification Foundation.
|
|
# License: 3-clause BSD. The full license text is available at:
|
|
# - https://github.com/uqfoundation/dill/blob/master/LICENSE
|
|
|
|
import os
|
|
import sys
|
|
import string
|
|
import random
|
|
|
|
import dill
|
|
|
|
|
|
dill.settings['recurse'] = True
|
|
|
|
fname = "_test_file.txt"
|
|
rand_chars = list(string.ascii_letters) + ["\n"] * 40 # bias newline
|
|
|
|
if sys.hexversion < 0x03030000:
|
|
FileNotFoundError = IOError
|
|
buffer_error = ValueError("invalid buffer size")
|
|
dne_error = FileNotFoundError("[Errno 2] No such file or directory: '%s'" % fname)
|
|
|
|
|
|
def write_randomness(number=200):
|
|
f = open(fname, "w")
|
|
for i in range(number):
|
|
f.write(random.choice(rand_chars))
|
|
f.close()
|
|
f = open(fname, "r")
|
|
contents = f.read()
|
|
f.close()
|
|
return contents
|
|
|
|
|
|
def trunc_file():
|
|
open(fname, "w").close()
|
|
|
|
|
|
def throws(op, args, exc):
|
|
try:
|
|
op(*args)
|
|
except type(exc):
|
|
return sys.exc_info()[1].args == exc.args
|
|
else:
|
|
return False
|
|
|
|
|
|
def teardown_module():
|
|
if os.path.exists(fname):
|
|
os.remove(fname)
|
|
|
|
|
|
def bench(strictio, fmode, skippypy):
|
|
import platform
|
|
if skippypy and platform.python_implementation() == 'PyPy':
|
|
# Skip for PyPy...
|
|
return
|
|
|
|
# file exists, with same contents
|
|
# read
|
|
|
|
write_randomness()
|
|
|
|
f = open(fname, "r")
|
|
_f = dill.loads(dill.dumps(f, fmode=fmode))#, strictio=strictio))
|
|
assert _f.mode == f.mode
|
|
assert _f.tell() == f.tell()
|
|
assert _f.read() == f.read()
|
|
f.close()
|
|
_f.close()
|
|
|
|
# write
|
|
|
|
f = open(fname, "w")
|
|
f.write("hello")
|
|
f_dumped = dill.dumps(f, fmode=fmode)#, strictio=strictio)
|
|
f1mode = f.mode
|
|
ftell = f.tell()
|
|
f.close()
|
|
f2 = dill.loads(f_dumped) #FIXME: fails due to pypy/issues/1233
|
|
# TypeError: expected py_object instance instead of str
|
|
f2mode = f2.mode
|
|
f2tell = f2.tell()
|
|
f2name = f2.name
|
|
f2.write(" world!")
|
|
f2.close()
|
|
|
|
if fmode == dill.HANDLE_FMODE:
|
|
assert open(fname).read() == " world!"
|
|
assert f2mode == f1mode
|
|
assert f2tell == 0
|
|
elif fmode == dill.CONTENTS_FMODE:
|
|
assert open(fname).read() == "hello world!"
|
|
assert f2mode == f1mode
|
|
assert f2tell == ftell
|
|
assert f2name == fname
|
|
elif fmode == dill.FILE_FMODE:
|
|
assert open(fname).read() == "hello world!"
|
|
assert f2mode == f1mode
|
|
assert f2tell == ftell
|
|
else:
|
|
raise RuntimeError("Unknown file mode '%s'" % fmode)
|
|
|
|
# append
|
|
|
|
trunc_file()
|
|
|
|
f = open(fname, "a")
|
|
f.write("hello")
|
|
f_dumped = dill.dumps(f, fmode=fmode)#, strictio=strictio)
|
|
f1mode = f.mode
|
|
ftell = f.tell()
|
|
f.close()
|
|
f2 = dill.loads(f_dumped)
|
|
f2mode = f2.mode
|
|
f2tell = f2.tell()
|
|
f2.write(" world!")
|
|
f2.close()
|
|
|
|
assert f2mode == f1mode
|
|
if fmode == dill.CONTENTS_FMODE:
|
|
assert open(fname).read() == "hello world!"
|
|
assert f2tell == ftell
|
|
elif fmode == dill.HANDLE_FMODE:
|
|
assert open(fname).read() == "hello world!"
|
|
assert f2tell == ftell
|
|
elif fmode == dill.FILE_FMODE:
|
|
assert open(fname).read() == "hello world!"
|
|
assert f2tell == ftell
|
|
else:
|
|
raise RuntimeError("Unknown file mode '%s'" % fmode)
|
|
|
|
# file exists, with different contents (smaller size)
|
|
# read
|
|
|
|
write_randomness()
|
|
|
|
f = open(fname, "r")
|
|
fstr = f.read()
|
|
f_dumped = dill.dumps(f, fmode=fmode)#, strictio=strictio)
|
|
f1mode = f.mode
|
|
ftell = f.tell()
|
|
f.close()
|
|
_flen = 150
|
|
_fstr = write_randomness(number=_flen)
|
|
|
|
if strictio: # throw error if ftell > EOF
|
|
assert throws(dill.loads, (f_dumped,), buffer_error)
|
|
else:
|
|
f2 = dill.loads(f_dumped)
|
|
assert f2.mode == f1mode
|
|
if fmode == dill.CONTENTS_FMODE:
|
|
assert f2.tell() == _flen
|
|
assert f2.read() == ""
|
|
f2.seek(0)
|
|
assert f2.read() == _fstr
|
|
assert f2.tell() == _flen # 150
|
|
elif fmode == dill.HANDLE_FMODE:
|
|
assert f2.tell() == 0
|
|
assert f2.read() == _fstr
|
|
assert f2.tell() == _flen # 150
|
|
elif fmode == dill.FILE_FMODE:
|
|
assert f2.tell() == ftell # 200
|
|
assert f2.read() == ""
|
|
f2.seek(0)
|
|
assert f2.read() == fstr
|
|
assert f2.tell() == ftell # 200
|
|
else:
|
|
raise RuntimeError("Unknown file mode '%s'" % fmode)
|
|
f2.close()
|
|
|
|
# write
|
|
|
|
write_randomness()
|
|
|
|
f = open(fname, "w")
|
|
f.write("hello")
|
|
f_dumped = dill.dumps(f, fmode=fmode)#, strictio=strictio)
|
|
f1mode = f.mode
|
|
ftell = f.tell()
|
|
f.close()
|
|
fstr = open(fname).read()
|
|
|
|
f = open(fname, "w")
|
|
f.write("h")
|
|
_ftell = f.tell()
|
|
f.close()
|
|
|
|
if strictio: # throw error if ftell > EOF
|
|
assert throws(dill.loads, (f_dumped,), buffer_error)
|
|
else:
|
|
f2 = dill.loads(f_dumped)
|
|
f2mode = f2.mode
|
|
f2tell = f2.tell()
|
|
f2.write(" world!")
|
|
f2.close()
|
|
if fmode == dill.CONTENTS_FMODE:
|
|
assert open(fname).read() == "h world!"
|
|
assert f2mode == f1mode
|
|
assert f2tell == _ftell
|
|
elif fmode == dill.HANDLE_FMODE:
|
|
assert open(fname).read() == " world!"
|
|
assert f2mode == f1mode
|
|
assert f2tell == 0
|
|
elif fmode == dill.FILE_FMODE:
|
|
assert open(fname).read() == "hello world!"
|
|
assert f2mode == f1mode
|
|
assert f2tell == ftell
|
|
else:
|
|
raise RuntimeError("Unknown file mode '%s'" % fmode)
|
|
f2.close()
|
|
|
|
# append
|
|
|
|
trunc_file()
|
|
|
|
f = open(fname, "a")
|
|
f.write("hello")
|
|
f_dumped = dill.dumps(f, fmode=fmode)#, strictio=strictio)
|
|
f1mode = f.mode
|
|
ftell = f.tell()
|
|
f.close()
|
|
fstr = open(fname).read()
|
|
|
|
f = open(fname, "w")
|
|
f.write("h")
|
|
_ftell = f.tell()
|
|
f.close()
|
|
|
|
if strictio: # throw error if ftell > EOF
|
|
assert throws(dill.loads, (f_dumped,), buffer_error)
|
|
else:
|
|
f2 = dill.loads(f_dumped)
|
|
f2mode = f2.mode
|
|
f2tell = f2.tell()
|
|
f2.write(" world!")
|
|
f2.close()
|
|
assert f2mode == f1mode
|
|
if fmode == dill.CONTENTS_FMODE:
|
|
# position of writes cannot be changed on some OSs
|
|
assert open(fname).read() == "h world!"
|
|
assert f2tell == _ftell
|
|
elif fmode == dill.HANDLE_FMODE:
|
|
assert open(fname).read() == "h world!"
|
|
assert f2tell == _ftell
|
|
elif fmode == dill.FILE_FMODE:
|
|
assert open(fname).read() == "hello world!"
|
|
assert f2tell == ftell
|
|
else:
|
|
raise RuntimeError("Unknown file mode '%s'" % fmode)
|
|
f2.close()
|
|
|
|
# file does not exist
|
|
# read
|
|
|
|
write_randomness()
|
|
|
|
f = open(fname, "r")
|
|
fstr = f.read()
|
|
f_dumped = dill.dumps(f, fmode=fmode)#, strictio=strictio)
|
|
f1mode = f.mode
|
|
ftell = f.tell()
|
|
f.close()
|
|
|
|
os.remove(fname)
|
|
|
|
if strictio: # throw error if file DNE
|
|
assert throws(dill.loads, (f_dumped,), dne_error)
|
|
else:
|
|
f2 = dill.loads(f_dumped)
|
|
assert f2.mode == f1mode
|
|
if fmode == dill.CONTENTS_FMODE:
|
|
# FIXME: this fails on systems where f2.tell() always returns 0
|
|
# assert f2.tell() == ftell # 200
|
|
assert f2.read() == ""
|
|
f2.seek(0)
|
|
assert f2.read() == ""
|
|
assert f2.tell() == 0
|
|
elif fmode == dill.FILE_FMODE:
|
|
assert f2.tell() == ftell # 200
|
|
assert f2.read() == ""
|
|
f2.seek(0)
|
|
assert f2.read() == fstr
|
|
assert f2.tell() == ftell # 200
|
|
elif fmode == dill.HANDLE_FMODE:
|
|
assert f2.tell() == 0
|
|
assert f2.read() == ""
|
|
assert f2.tell() == 0
|
|
else:
|
|
raise RuntimeError("Unknown file mode '%s'" % fmode)
|
|
f2.close()
|
|
|
|
# write
|
|
|
|
write_randomness()
|
|
|
|
f = open(fname, "w+")
|
|
f.write("hello")
|
|
f_dumped = dill.dumps(f, fmode=fmode)#, strictio=strictio)
|
|
ftell = f.tell()
|
|
f1mode = f.mode
|
|
f.close()
|
|
|
|
os.remove(fname)
|
|
|
|
if strictio: # throw error if file DNE
|
|
assert throws(dill.loads, (f_dumped,), dne_error)
|
|
else:
|
|
f2 = dill.loads(f_dumped)
|
|
f2mode = f2.mode
|
|
f2tell = f2.tell()
|
|
f2.write(" world!")
|
|
f2.close()
|
|
if fmode == dill.CONTENTS_FMODE:
|
|
assert open(fname).read() == " world!"
|
|
assert f2mode == 'w+'
|
|
assert f2tell == 0
|
|
elif fmode == dill.HANDLE_FMODE:
|
|
assert open(fname).read() == " world!"
|
|
assert f2mode == f1mode
|
|
assert f2tell == 0
|
|
elif fmode == dill.FILE_FMODE:
|
|
assert open(fname).read() == "hello world!"
|
|
assert f2mode == f1mode
|
|
assert f2tell == ftell
|
|
else:
|
|
raise RuntimeError("Unknown file mode '%s'" % fmode)
|
|
|
|
# append
|
|
|
|
trunc_file()
|
|
|
|
f = open(fname, "a")
|
|
f.write("hello")
|
|
f_dumped = dill.dumps(f, fmode=fmode)#, strictio=strictio)
|
|
ftell = f.tell()
|
|
f1mode = f.mode
|
|
f.close()
|
|
|
|
os.remove(fname)
|
|
|
|
if strictio: # throw error if file DNE
|
|
assert throws(dill.loads, (f_dumped,), dne_error)
|
|
else:
|
|
f2 = dill.loads(f_dumped)
|
|
f2mode = f2.mode
|
|
f2tell = f2.tell()
|
|
f2.write(" world!")
|
|
f2.close()
|
|
assert f2mode == f1mode
|
|
if fmode == dill.CONTENTS_FMODE:
|
|
assert open(fname).read() == " world!"
|
|
assert f2tell == 0
|
|
elif fmode == dill.HANDLE_FMODE:
|
|
assert open(fname).read() == " world!"
|
|
assert f2tell == 0
|
|
elif fmode == dill.FILE_FMODE:
|
|
assert open(fname).read() == "hello world!"
|
|
assert f2tell == ftell
|
|
else:
|
|
raise RuntimeError("Unknown file mode '%s'" % fmode)
|
|
|
|
# file exists, with different contents (larger size)
|
|
# read
|
|
|
|
write_randomness()
|
|
|
|
f = open(fname, "r")
|
|
fstr = f.read()
|
|
f_dumped = dill.dumps(f, fmode=fmode)#, strictio=strictio)
|
|
f1mode = f.mode
|
|
ftell = f.tell()
|
|
f.close()
|
|
_flen = 250
|
|
_fstr = write_randomness(number=_flen)
|
|
|
|
# XXX: no safe_file: no way to be 'safe'?
|
|
|
|
f2 = dill.loads(f_dumped)
|
|
assert f2.mode == f1mode
|
|
if fmode == dill.CONTENTS_FMODE:
|
|
assert f2.tell() == ftell # 200
|
|
assert f2.read() == _fstr[ftell:]
|
|
f2.seek(0)
|
|
assert f2.read() == _fstr
|
|
assert f2.tell() == _flen # 250
|
|
elif fmode == dill.HANDLE_FMODE:
|
|
assert f2.tell() == 0
|
|
assert f2.read() == _fstr
|
|
assert f2.tell() == _flen # 250
|
|
elif fmode == dill.FILE_FMODE:
|
|
assert f2.tell() == ftell # 200
|
|
assert f2.read() == ""
|
|
f2.seek(0)
|
|
assert f2.read() == fstr
|
|
assert f2.tell() == ftell # 200
|
|
else:
|
|
raise RuntimeError("Unknown file mode '%s'" % fmode)
|
|
f2.close() # XXX: other alternatives?
|
|
|
|
# write
|
|
|
|
f = open(fname, "w")
|
|
f.write("hello")
|
|
f_dumped = dill.dumps(f, fmode=fmode)#, strictio=strictio)
|
|
f1mode = f.mode
|
|
ftell = f.tell()
|
|
|
|
fstr = open(fname).read()
|
|
|
|
f.write(" and goodbye!")
|
|
_ftell = f.tell()
|
|
f.close()
|
|
|
|
# XXX: no safe_file: no way to be 'safe'?
|
|
|
|
f2 = dill.loads(f_dumped)
|
|
f2mode = f2.mode
|
|
f2tell = f2.tell()
|
|
f2.write(" world!")
|
|
f2.close()
|
|
if fmode == dill.CONTENTS_FMODE:
|
|
assert open(fname).read() == "hello world!odbye!"
|
|
assert f2mode == f1mode
|
|
assert f2tell == ftell
|
|
elif fmode == dill.HANDLE_FMODE:
|
|
assert open(fname).read() == " world!"
|
|
assert f2mode == f1mode
|
|
assert f2tell == 0
|
|
elif fmode == dill.FILE_FMODE:
|
|
assert open(fname).read() == "hello world!"
|
|
assert f2mode == f1mode
|
|
assert f2tell == ftell
|
|
else:
|
|
raise RuntimeError("Unknown file mode '%s'" % fmode)
|
|
f2.close()
|
|
|
|
# append
|
|
|
|
trunc_file()
|
|
|
|
f = open(fname, "a")
|
|
f.write("hello")
|
|
f_dumped = dill.dumps(f, fmode=fmode)#, strictio=strictio)
|
|
f1mode = f.mode
|
|
ftell = f.tell()
|
|
fstr = open(fname).read()
|
|
|
|
f.write(" and goodbye!")
|
|
_ftell = f.tell()
|
|
f.close()
|
|
|
|
# XXX: no safe_file: no way to be 'safe'?
|
|
|
|
f2 = dill.loads(f_dumped)
|
|
f2mode = f2.mode
|
|
f2tell = f2.tell()
|
|
f2.write(" world!")
|
|
f2.close()
|
|
assert f2mode == f1mode
|
|
if fmode == dill.CONTENTS_FMODE:
|
|
assert open(fname).read() == "hello and goodbye! world!"
|
|
assert f2tell == ftell
|
|
elif fmode == dill.HANDLE_FMODE:
|
|
assert open(fname).read() == "hello and goodbye! world!"
|
|
assert f2tell == _ftell
|
|
elif fmode == dill.FILE_FMODE:
|
|
assert open(fname).read() == "hello world!"
|
|
assert f2tell == ftell
|
|
else:
|
|
raise RuntimeError("Unknown file mode '%s'" % fmode)
|
|
f2.close()
|
|
|
|
|
|
def test_nostrictio_handlefmode():
|
|
bench(False, dill.HANDLE_FMODE, False)
|
|
teardown_module()
|
|
|
|
|
|
def test_nostrictio_filefmode():
|
|
bench(False, dill.FILE_FMODE, False)
|
|
teardown_module()
|
|
|
|
|
|
def test_nostrictio_contentsfmode():
|
|
bench(False, dill.CONTENTS_FMODE, True)
|
|
teardown_module()
|
|
|
|
|
|
#bench(True, dill.HANDLE_FMODE, False)
|
|
#bench(True, dill.FILE_FMODE, False)
|
|
#bench(True, dill.CONTENTS_FMODE, True)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
test_nostrictio_handlefmode()
|
|
test_nostrictio_filefmode()
|
|
test_nostrictio_contentsfmode()
|