def func(no):
m = mmap.mmap(no, 6, access=mmap.ACCESS_READ)
m = mmap.mmap(no, 6, access=mmap.ACCESS_WRITE)
m.write_byte("x")
m.seek(0)
assert m.read(6) == "xoobar"
m.close()
def func(no):
m = mmap.mmap(no, 6, access=mmap.ACCESS_READ)
m = mmap.mmap(no, 6, access=mmap.ACCESS_WRITE)
m.write_byte("x")
m.seek(0)
assert m.read(6) == "xoobar"
m.close()
def func(no):
try:
mmap.mmap(no, 123)
except RValueError:
pass
else:
raise Exception("didn't raise")
def func(no):
try:
mmap.mmap(no, 123)
except RValueError:
pass
else:
raise Exception("didn't raise")
def func():
m = mmap.mmap(-1, 1000, tagname="foo")
# same tagname, but larger size
try:
m2 = mmap.mmap(-1, 5000, tagname="foo")
m2.getitem(4500)
except WindowsError:
pass
m.close()
def func():
m = mmap.mmap(-1, 1000, tagname="foo")
# same tagname, but larger size
try:
m2 = mmap.mmap(-1, 5000, tagname="foo")
m2.getitem(4500)
except WindowsError:
pass
m.close()
def func(no):
m = mmap.mmap(no, 6)
assert m.getitem(0) == 'f'
assert m.getitem(-1) == 'r'
# sl = slice(1, 2)
# assert m.get_item(sl) == 'o'
m.close()
def func(no):
m = mmap.mmap(no, 6)
assert m.getitem(0) == 'f'
assert m.getitem(-1) == 'r'
# sl = slice(1, 2)
# assert m.get_item(sl) == 'o'
m.close()
def func(no):
m = mmap.mmap(no, 6, access=mmap.ACCESS_WRITE)
f_size = os.fstat(no).st_size
assert intmask(m.file_size()) == f_size == 6
m.resize(10)
f_size = os.fstat(no).st_size
assert intmask(m.file_size()) == f_size == 10
m.close()
def func(no):
m = mmap.mmap(no, 6, access=mmap.ACCESS_WRITE)
f_size = os.fstat(no).st_size
assert intmask(m.file_size()) == f_size == 6
m.resize(10)
f_size = os.fstat(no).st_size
assert intmask(m.file_size()) == f_size == 10
m.close()
def func(no):
m = mmap.mmap(no, 12)
assert m.find("\0", 0, 13) == -1 # no searching past the stop
assert m.find("\0", 0, 13, True) == -1
m.close()
#
m = mmap.mmap(no, 13)
assert m.find("b", 0, 7) == 3
assert m.find("z", 0, 7) == -1
assert m.find("o", 11, 13) == -1
assert m.find("ob", 0, 7) == 2
assert m.find("\0", 0, 13) == 12
assert m.find("o", 1, 4) == 1
assert m.find("o", 2, 4) == 2
assert m.find("o", 2, -4) == 2
assert m.find("o", 8, -5) == -1
m.close()
def func(no):
m = mmap.mmap(no, 12)
assert m.find("\0", 0, 13) == -1 # no searching past the stop
assert m.find("\0", 0, 13, True) == -1
m.close()
#
m = mmap.mmap(no, 13)
assert m.find("b", 0, 7) == 3
assert m.find("z", 0, 7) == -1
assert m.find("o", 11, 13) == -1
assert m.find("ob", 0, 7) == 2
assert m.find("\0", 0, 13) == 12
assert m.find("o", 1, 4) == 1
assert m.find("o", 2, 4) == 2
assert m.find("o", 2, -4) == 2
assert m.find("o", 8, -5) == -1
m.close()
def readline_mmap(f):
handle = rmmap.mmap(f.fileno(), 0, access=rmmap.ACCESS_READ)
for i in xrange(handle.size):
line = handle.readline()
if line != '':
yield line
else:
break
def func(no):
m = mmap.mmap(no, 6, access=mmap.ACCESS_WRITE)
m.move(1, 3, 3)
assert m.read(6) == "fbarar"
m.seek(0)
m.move(1, 3, 2)
a = m.read(6)
assert a == "frarar"
m.close()
def func(no):
m = mmap.mmap(no, 4)
if os.name == "nt":
# windows replaces \n with \r. it's time to change to \n only MS!
assert m.readline() == "foo\r"
elif os.name == "posix":
assert m.readline() == "foo\n"
assert m.readline() == ""
m.close()
def func(no):
m = mmap.mmap(no, 6, access=mmap.ACCESS_WRITE)
m.move(1, 3, 3)
assert m.read(6) == "fbarar"
m.seek(0)
m.move(1, 3, 2)
a = m.read(6)
assert a == "frarar"
m.close()
def func(no):
m = mmap.mmap(no, 1)
m.close()
try:
m.check_valid()
except RValueError:
pass
else:
raise Exception("Did not raise")
def mmap(space, w_subtype, fileno, length, tagname="",
access=rmmap._ACCESS_DEFAULT, offset=0):
self = space.allocate_instance(W_MMap, w_subtype)
try:
W_MMap.__init__(self, space,
rmmap.mmap(fileno, length, tagname, access,
offset))
except OSError, e:
raise mmap_error(space, e)
def func(no):
m = mmap.mmap(no, 1)
m.close()
try:
m.check_valid()
except RValueError:
pass
else:
raise Exception("Did not raise")
def func(no):
m = mmap.mmap(no, 4)
if os.name == "nt":
# windows replaces \n with \r. it's time to change to \n only MS!
assert m.readline() == "foo\r"
elif os.name == "posix":
assert m.readline() == "foo\n"
assert m.readline() == ""
m.close()
def mmap(space, w_subtype, fileno, length, flags=rmmap.MAP_SHARED,
prot=rmmap.PROT_WRITE | rmmap.PROT_READ,
access=rmmap._ACCESS_DEFAULT, offset=0):
self = space.allocate_instance(W_MMap, w_subtype)
try:
W_MMap.__init__(self, space,
rmmap.mmap(fileno, length, flags, prot, access,
offset))
except OSError, e:
raise mmap_error(space, e)
def func(no):
m = mmap.mmap(no, 1)
assert m.read_byte() == "c"
try:
m.read_byte()
except RValueError:
pass
else:
raise Exception("Did not raise")
m.close()
def test_write_readonly(self):
if os.name == "nt":
py.test.skip("Needs PROT_READ")
f = open(self.tmpname + "l", "w+")
f.write("foobar")
f.flush()
m = mmap.mmap(f.fileno(), 6, prot=mmap.PROT_READ)
py.test.raises(RTypeError, m.check_writeable)
m.close()
f.close()
def test_write_readonly(self):
if os.name == "nt":
py.test.skip("Needs PROT_READ")
f = open(self.tmpname + "l", "w+")
f.write("foobar")
f.flush()
m = mmap.mmap(f.fileno(), 6, prot=mmap.PROT_READ)
py.test.raises(RTypeError, m.check_writeable)
m.close()
f.close()
def func(no):
m = mmap.mmap(no, 1)
assert m.read_byte() == "c"
try:
m.read_byte()
except RValueError:
pass
else:
raise Exception("Did not raise")
m.close()
def func(no):
m = mmap.mmap(no, 6)
m.seek(0)
assert m.tell() == 0
m.read(1)
m.seek(1, 1)
assert m.tell() == 2
m.seek(0)
m.seek(-1, 2)
assert m.tell() == 5
m.close()
def func(no):
m = mmap.mmap(no, 6)
m.seek(0)
assert m.tell() == 0
m.read(1)
m.seek(1, 1)
assert m.tell() == 2
m.seek(0)
m.seek(-1, 2)
assert m.tell() == 5
m.close()
def test_write_without_protwrite(self):
if os.name == "nt":
py.test.skip("Needs PROT_WRITE")
f = open(self.tmpname + "l2", "w+")
f.write("foobar")
f.flush()
m = mmap.mmap(f.fileno(), 6, prot=mmap.PROT_READ|mmap.PROT_EXEC)
py.test.raises(RTypeError, m.check_writeable)
py.test.raises(RTypeError, m.check_writeable)
m.close()
f.close()
def test_write_without_protwrite(self):
if os.name == "nt":
py.test.skip("Needs PROT_WRITE")
f = open(self.tmpname + "l2", "w+")
f.write("foobar")
f.flush()
m = mmap.mmap(f.fileno(), 6, prot=mmap.PROT_READ | mmap.PROT_EXEC)
py.test.raises(RTypeError, m.check_writeable)
py.test.raises(RTypeError, m.check_writeable)
m.close()
f.close()
def mmap(space, w_subtype, fileno, length, tagname="",
access=rmmap._ACCESS_DEFAULT, offset=0):
self = space.allocate_instance(W_MMap, w_subtype)
try:
W_MMap.__init__(self, space,
rmmap.mmap(fileno, length, tagname, access,
offset))
except OSError as e:
raise mmap_error(space, e)
except RMMapError as e:
raise mmap_error(space, e)
return self
def mmap(space, w_subtype, fileno, length, flags=rmmap.MAP_SHARED,
prot=rmmap.PROT_WRITE | rmmap.PROT_READ,
access=rmmap._ACCESS_DEFAULT, offset=0):
self = space.allocate_instance(W_MMap, w_subtype)
try:
W_MMap.__init__(self, space,
rmmap.mmap(fileno, length, flags, prot, access,
offset))
except OSError as e:
raise mmap_error(space, e)
except RMMapError as e:
raise mmap_error(space, e)
return self
def func(no):
m = mmap.mmap(no, size*4096)
m.unmap_range(left*4096, (right-left)*4096)
m.read(1)
m.seek(right*4096)
m.read(1)
def in_map(m, offset):
return rffi.ptradd(m.data, offset)
def as_num(ptr):
return rffi.cast(lltype.Unsigned, ptr)
res = mmap.alloc_hinted(in_map(m, (left+right)/2 * 4096), 4096)
assert as_num(in_map(m, left*4096)) <= as_num(res) < as_num(in_map(m, right*4096))
def func(no):
m = mmap.mmap(no, size*4096)
m.unmap_range(left*4096, (right-left)*4096)
m.read(1)
m.seek(right*4096)
m.read(1)
def in_map(m, offset):
return rffi.ptradd(m.data, offset)
def as_num(ptr):
return rffi.cast(lltype.Unsigned, ptr)
res = mmap.alloc_hinted(in_map(m, (left+right)/2 * 4096), 4096)
assert as_num(in_map(m, left*4096)) <= as_num(res) < as_num(in_map(m, right*4096))
def test_windows_crasher_2(self):
if sys.platform != "win32":
py.test.skip("Windows-only test")
f = open(self.tmpname + "t", "w+")
f.write("foobar")
f.flush()
f = open(self.tmpname + "t", "r+b")
m = mmap.mmap(f.fileno(), 0)
f.close()
py.test.raises(WindowsError, m.resize, 0)
py.test.raises(RValueError, m.getitem, 0)
m.close()
def test_windows_crasher_2(self):
if sys.platform != "win32":
py.test.skip("Windows-only test")
f = open(self.tmpname + "t", "w+")
f.write("foobar")
f.flush()
f = open(self.tmpname + "t", "r+b")
m = mmap.mmap(f.fileno(), 0)
f.close()
py.test.raises(WindowsError, m.resize, 0)
py.test.raises(RValueError, m.getitem, 0)
m.close()
def test_find_rfind(self):
f = open(self.tmpname + "g", "w+")
f.write("foobarfoobar\0")
f.flush()
m = mmap.mmap(f.fileno(), 13)
for s1 in range(-20, 20):
for e1 in range(-20, 20):
expected = "foobarfoobar\0".find("ob", s1, e1)
assert m.find("ob", s1, e1, False) == expected
expected = "foobarfoobar\0".rfind("ob", s1, e1)
assert m.find("ob", s1, e1, True) == expected
m.close()
f.close()
def test_find_rfind(self):
f = open(self.tmpname + "g", "w+")
f.write("foobarfoobar\0")
f.flush()
m = mmap.mmap(f.fileno(), 13)
for s1 in range(-20, 20):
for e1 in range(-20, 20):
expected = "foobarfoobar\0".find("ob", s1, e1)
assert m.find("ob", s1, e1, False) == expected
expected = "foobarfoobar\0".rfind("ob", s1, e1)
assert m.find("ob", s1, e1, True) == expected
m.close()
f.close()
def func(no):
m = mmap.mmap(no, 6, access=mmap.ACCESS_READ)
try:
m.check_writeable()
except RTypeError:
pass
else:
assert False
try:
m.check_resizeable()
except RTypeError:
pass
else:
assert False
m.close()
def func(no):
m = mmap.mmap(no, 6, access=mmap.ACCESS_READ)
try:
m.check_writeable()
except RTypeError:
pass
else:
assert False
try:
m.check_resizeable()
except RTypeError:
pass
else:
assert False
m.close()
def func(no):
m = mmap.mmap(no, 6, access=mmap.ACCESS_WRITE)
# def f(m): m[1:3] = u'xx'
# py.test.raises(IndexError, f, m)
# def f(m): m[1:4] = "zz"
# py.test.raises(IndexError, f, m)
# def f(m): m[1:6] = "z" * 6
# py.test.raises(IndexError, f, m)
# def f(m): m[:2] = "z" * 5
# m[1:3] = 'xx'
# assert m.read(6) == "fxxbar"
# m.seek(0)
m.setitem(0, 'x')
assert m.getitem(0) == 'x'
m.setitem(-6, 'y')
data = m.read(6)
assert data == "yoobar" # yxxbar with slice's stuff
m.close()
def func(no):
m = mmap.mmap(no, 6, access=mmap.ACCESS_WRITE)
# def f(m): m[1:3] = u'xx'
# py.test.raises(IndexError, f, m)
# def f(m): m[1:4] = "zz"
# py.test.raises(IndexError, f, m)
# def f(m): m[1:6] = "z" * 6
# py.test.raises(IndexError, f, m)
# def f(m): m[:2] = "z" * 5
# m[1:3] = 'xx'
# assert m.read(6) == "fxxbar"
# m.seek(0)
m.setitem(0, 'x')
assert m.getitem(0) == 'x'
m.setitem(-6, 'y')
data = m.read(6)
assert data == "yoobar" # yxxbar with slice's stuff
m.close()
def func(no):
m = mmap.mmap(no, 6)
assert m.len() == 6
m.close()
def func(no):
m = mmap.mmap(no, 6, access=mmap.ACCESS_WRITE)
m.write("ciao\n")
m.seek(0)
assert m.read(6) == "ciao\nr"
m.close()
def func(no):
m = mmap.mmap(no, 5)
assert m.file_size() == 6 # size of the underline file, not the mmap
m.close()
def func(no):
m = mmap.mmap(no, 1)
assert m.tell() >= 0
m.close()
def func(no):
m = mmap.mmap(no, 6, access=mmap.ACCESS_WRITE)
m.close()
m.close() # didn't explode
def func(no):
m = mmap.mmap(no, 6, access=mmap.ACCESS_WRITE)
m.close()
m.close() # didn't explode
def func(no):
m = mmap.mmap(no, 6, access=mmap.ACCESS_WRITE)
assert m.write("ciao\n") == 5
m.seek(0)
assert m.read(6) == "ciao\nr"
m.close()
def func(no):
m = mmap.mmap(no, 1)
r = m.read_byte()
m.close()
return r
def test_madvise(self):
m = mmap.mmap(-1, 8096)
m.madvise(mmap.MADV_NORMAL, 0, 8096)
m.close()
def func(no):
m = mmap.mmap(no, 6)
assert m.read(1) == "f"
assert m.read(6) == "oobar"
assert m.read(1) == ""
m.close()
def func(no):
m = mmap.mmap(no, 1)
r = m.read_byte()
m.close()
return r
def func(no):
m = mmap.mmap(no, 1)
assert m.read(99) == "c"
def func(no):
m = mmap.mmap(no, 6)
assert m.len() == 6
m.close()
def func(no):
m = mmap.mmap(no, 6)
assert m.read(1) == "f"
assert m.read(6) == "oobar"
assert m.read(1) == ""
m.close()
def func(no):
m = mmap.mmap(no, 1)
assert m.read(99) == "c"
def func(no):
m = mmap.mmap(no, 5)
assert m.file_size(
) == 6 # size of the underline file, not the mmap
m.close()
def func(no):
m = mmap.mmap(no, 1)
assert m.tell() >= 0
m.close()
def entry_point(argv):
try:
res = mmap(0, 1024)
except OSError:
return 0
return 1
