def _get_c_cat(self, index):
"""Returns i-th description and i-th data range from the list of
category descriptions with corresponding data ranges. end points of
data interval.
Rast_get_ith_cat(const struct Categories * pcats,
int i,
void * rast1,
void * rast2,
RASTER_MAP_TYPE data_type
)
"""
min_cat = ctypes.pointer(RTYPE[self.mtype]['grass def']())
max_cat = ctypes.pointer(RTYPE[self.mtype]['grass def']())
lab = libraster.Rast_get_ith_cat(ctypes.byref(self.c_cats),
index,
ctypes.cast(min_cat, ctypes.c_void_p),
ctypes.cast(max_cat, ctypes.c_void_p),
self._gtype)
# Manage C function Errors
if lab == '':
raise GrassError(_("Error executing: Rast_get_ith_cat"))
if max_cat.contents.value == min_cat.contents.value:
max_cat = None
else:
max_cat = max_cat.contents.value
return lab, min_cat.contents.value, max_cat
def launch_process(application,cmdline = None, priority = NORMAL_PRIORITY_CLASS):
"""
<Purpose>
Launches a new process.
<Arguments>
application:
The path to the application to be started
cmdline:
The command line parameters that are to be used
priority
The priority of the process. See NORMAL_PRIORITY_CLASS and HIGH_PRIORITY_CLASS
<Side Effects>
A new process is created
<Returns>
Process ID on success, None on failure.
"""
# Create struct to hold process info
process_info = _PROCESS_INFORMATION()
process_info_addr = ctypes.pointer(process_info)
# Determine what is the cmdline Parameter
if not (cmdline == None):
cmdline_param = unicode(cmdline)
else:
cmdline_param = None
# For some reason, Windows Desktop uses the first part of the second parameter as the
# Application... This is documented on MSDN under CreateProcess in the user comments
# Create struct to hold window info
window_info = _STARTUPINFO()
window_info_addr = ctypes.pointer(window_info)
cmdline_param = unicode(application) + " " + cmdline_param
application = None
# Lauch process, and save status
status = _create_process(
application,
cmdline_param,
None,
None,
False,
priority,
None,
None,
window_info_addr,
process_info_addr)
# Did we succeed?
if status:
# Close handles that we don't need
_close_handle(process_info.hProcess)
_close_handle(process_info.hThread)
# Return pid
return process_info.dwProcessId
else:
return None
def initiator_transceive_bits(self, bits, numbits, paritybits = None):
"""Sends a series of bits, returning the number and bits sent back by the target"""
if paritybits and len(paritybits) != len(bits):
raise ValueError("Length of parity bits does not match length of bits")
if len(bits) < ((numbits + 7) / 8):
raise ValueError("Length of bits does not match the value passed in numbits")
insize = min(((numbits + 7) / 8), MAX_FRAME_LEN)
for i in range(insize):
self._txbytes[i] = ord(bits[i])
if paritybits:
self._txpbytes[i] = ord(paritybits[i]) & 0x01
parity = None
if paritybits:
parity = ctypes.pointer(self._txpbytes)
rxbitlen = _size_t(0)
result = _lib.nfc_initiator_transceive_bits(self._device,
ctypes.pointer(self._txbytes),
_size_t(numbits),
parity,
ctypes.pointer(self._rxbytes),
ctypes.byref(rxbitlen),
ctypes.pointer(self._rxpbytes))
if not result:
return None
rxbytes = rxpbytes = ""
for i in range(min(((rxbitlen.value + 7) / 8), MAX_FRAME_LEN)):
rxbytes += chr(self._rxbytes[i])
rxpbytes += chr(self._rxpbytes[i])
return rxbytes, rxbitlen.value, rxpbytes
def convergence(self):
"""Compute L2 norms for convergence testing"""
if self._library is None:
self._load_library()
if self._arg_grid is None:
raise RuntimeError("""Convergence could not find grid argument!
You need to you run grid.execute() first!""")
# Define OpesciConvergence struct
class OpesciConvergence(Structure):
_fields_ = [('%s_l2' % ccode(f.label), c_float)
for f in self.fields]
# Generate the convergence argument
arg_conv = OpesciConvergence()
arg_conv.values = [c_float(0.) for f in self.fields]
# Load opesci_convergence, define it's arguments and run
print "Convergence:"
opesci_convergence = self._library.opesci_convergence
opesci_convergence.argtypes = [POINTER(self._arg_grid.__class__),
POINTER(OpesciConvergence)]
opesci_convergence(pointer(self._arg_grid), pointer(arg_conv))
for field, _ in arg_conv._fields_:
print "%s: %.10f" % (field, getattr(arg_conv, field))
def get_free_space(self, path):
"""
Function Type : String
"""
def get_readable_format(total):
measures = ["B", "KB", "MB", "GB", "TB"]
index = 0
while index < len(measures) and total > 1024:
total = float(total / 1024)
index = index + 1
return "%.2f %s" % (total, measures[index])
total_bytes, free_bytes = ctypes.c_ulonglong(0), ctypes.c_ulonglong(0)
if ctypes.windll.kernel32.GetDiskFreeSpaceExW(
ctypes.c_wchar_p(path), None, ctypes.pointer(total_bytes), ctypes.pointer(free_bytes)
):
free = get_readable_format(free_bytes.value)
total = get_readable_format(total_bytes.value)
ret_val = "%s of %s available" % (free, total)
else:
ret_val = "Could not determine"
return ret_val
def hash_data(buffer, alg, block_size=16*1024):
if alg not in _calg_map:
raise InvalidHashAlgorithm()
block_size = int(block_size)
if block_size <= 0:
raise ValueError("'block_size' should be a positive integer")
with _crypt_context() as hCryptProv:
with _crypt_hash(hCryptProv, _calg_map[alg]) as hCryptHash:
buffer_len = len(buffer)
if block_size > buffer_len:
block_size = buffer_len
i = 0
while i < buffer_len:
count = block_size if (i + block_size <= buffer_len) else (buffer_len - i)
if not CryptHashData(hCryptHash, _cast(buffer[i:i+count], PBYTE), DWORD(count), DWORD(0)):
raise WinError()
i += count
dwHashLen = DWORD(sizeof(DWORD))
dwHashSize = DWORD()
if not CryptGetHashParam(hCryptHash, HP_HASHSIZE, _cast(pointer(dwHashSize), PBYTE), pointer(dwHashLen), DWORD(0)):
raise WinError()
pbHashVal = (BYTE * dwHashSize.value)()
dwHashLen.value = sizeof(pbHashVal)
if not CryptGetHashParam(hCryptHash, HP_HASHVAL, pbHashVal, pointer(dwHashLen), DWORD(0)):
raise WinError()
return ''.join(map(lambda b: format(b, '02x'), bytes(pbHashVal)))
def mds_command(self, mds_spec, args, input_data):
"""
:return 3-tuple of output status int, output status string, output data
"""
cmdarr = (c_char_p * len(args))(*args)
outbufp = pointer(pointer(c_char()))
outbuflen = c_long()
outsp = pointer(pointer(c_char()))
outslen = c_long()
ret = self.libcephfs.ceph_mds_command(self.cluster, c_char_p(mds_spec),
cmdarr, len(args),
c_char_p(input_data),
len(input_data), outbufp,
byref(outbuflen), outsp,
byref(outslen))
my_outbuf = outbufp.contents[:(outbuflen.value)]
my_outs = outsp.contents[:(outslen.value)]
if outbuflen.value:
self.libcephfs.ceph_buffer_free(outbufp.contents)
if outslen.value:
self.libcephfs.ceph_buffer_free(outsp.contents)
return (ret, my_outbuf, my_outs)
def __init__(self, x, y):
self.x = x
self.y = y
self.drawables = []
self.light_framebuffer = GLuint()
self.light_texture = GLuint()
self.w = window.width
self.h = window.height
# Create and activate the light framebuffer
glGenFramebuffers(1, pointer(self.light_framebuffer))
glBindFramebuffer(GL_FRAMEBUFFER, self.light_framebuffer)
# Create a texture to render light into, activate it, initialize it and bind it as COLOR_ATTACHMENT0 on
# the light framebuffer
glGenTextures(1, pointer(self.light_texture))
glBindTexture(GL_TEXTURE_2D, self.light_texture)
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, self.w, self.h, 0, GL_RGBA, GL_UNSIGNED_BYTE, None)
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, self.light_texture, 0)
# Deactivate the light texture
glBindTexture(GL_TEXTURE_2D, 0)
# Check the new framebuffer status
status = glCheckFramebufferStatus(GL_FRAMEBUFFER)
if status != GL_FRAMEBUFFER_COMPLETE:
raise Exception("glCheckFramebufferStatus: ", status)
# Deactivate the light framebuffer
glBindFramebuffer(GL_FRAMEBUFFER, 0)
def __init__(self, **kwargs):
'''Initialize the virtual screen.
Possible keyword arguments:
- `font`,
- `options`,
- `min_width`, `min_height` (in pixels),
- `max_width`, `max_height` (in pixels),
- `recommended_width`, `recommended_height` (in pixels),
- `width`, `height` (in pixels),
- `physical_width`, `physical_height` (in mm),
- `dim_value`,
- `bold_value`.
'''
settings = self._get_default_settings()
for k, v in kwargs.items():
setattr(settings, k, v)
context = self._context = aa_init(ctypes.pointer(aa_mem_d), ctypes.pointer(settings), None)
if context is None:
raise ScreenInitializationFailed
self._render_width = aa_scrwidth(context)
self._render_height = aa_scrheight(context)
self._virtual_width = aa_imgwidth(context)
self._virtual_height = aa_imgheight(context)
self._framebuffer = aa_image(context)
def put(self, txn, dbi, key, value, flags):
"""Put item into database."""
if txn is None or dbi is None:
raise InvalidHandleError("put")
err = self._lib.mdb_put(txn, dbi, ctypes.pointer(key), ctypes.pointer(value), flags)
if err != 0:
raise APIError(err, self.strerror(err))
def delete(self, txn, dbi, key, value):
"""Delete item from database."""
if txn is None or dbi is None:
raise InvalidHandleError("delete")
err = self._lib.mdb_del(txn, dbi, ctypes.pointer(key), None if value is None else ctypes.pointer(value))
if err != 0:
raise APIError(err, self.strerror(err))
def _nl_getsockname(descriptor):
addr = SOCKADDR_NL(0, 0, 0, 0)
len = ctypes.c_int(ctypes.sizeof(addr));
libc.getsockname(descriptor.fileno(),
ctypes.pointer(addr),
ctypes.pointer(len))
return addr.nl_pid, addr.nl_groups;
def ListProcessModules( ProcessID ):
hModuleSnap = c_void_p(0)
me32 = MODULEENTRY32()
me32.dwSize = sizeof( MODULEENTRY32 )
hModuleSnap = CreateToolhelp32Snapshot( TH32CS_SNAPMODULE, ProcessID )
ret = Module32First( hModuleSnap, pointer(me32) )
if ret == 0 :
print('ListProcessModules() Error on Module32First[%d]' % GetLastError())
CloseHandle( hModuleSnap )
return False
while ret :
print( " MODULE NAME: %s"% me32.szModule )
print (" executable = %s"% me32.szExePath)
print (" process ID = 0x%08X"% me32.th32ProcessID)
print (" ref count (g) = 0x%04X"% me32.GlblcntUsage)
print (" ref count (p) = 0x%04X"% me32.ProccntUsage)
print (" base address = 0x%08X"% me32.modBaseAddr)
print (" base size = %d"% me32.modBaseSize)
ret = Module32Next( hModuleSnap , pointer(me32) )
CloseHandle( hModuleSnap )
return True
def _get_bounds(handle, bounds_fn, interleaved):
pp_mins = ctypes.pointer(ctypes.c_double())
pp_maxs = ctypes.pointer(ctypes.c_double())
dimension = ctypes.c_uint32(0)
bounds_fn(handle,
ctypes.byref(pp_mins),
ctypes.byref(pp_maxs),
ctypes.byref(dimension))
if (dimension.value == 0): return None
mins = ctypes.cast(pp_mins,ctypes.POINTER(ctypes.c_double \
* dimension.value))
maxs = ctypes.cast(pp_maxs,ctypes.POINTER(ctypes.c_double \
* dimension.value))
results = [mins.contents[i] for i in range(dimension.value)]
results += [maxs.contents[i] for i in range(dimension.value)]
p_mins = ctypes.cast(mins,ctypes.POINTER(ctypes.c_double))
p_maxs = ctypes.cast(maxs,ctypes.POINTER(ctypes.c_double))
core.rt.Index_Free(ctypes.cast(p_mins, ctypes.POINTER(ctypes.c_void_p)))
core.rt.Index_Free(ctypes.cast(p_maxs, ctypes.POINTER(ctypes.c_void_p)))
if interleaved: # they want bbox order.
return results
return Index.deinterleave(results)
def SetValue(self, value): # set object type otype = None size = 8 if type(value) == str: otype = ASN_OCTET_STR size = len(value) value = ctypes.c_char_p(value) elif type(value) == int: otype = ASN_INTEGER value = ctypes.pointer(ctypes.c_int(value)) elif type(value) == float: otype = ASN_APP_FLOAT value = ctypes.pointer(ctypes.c_float(value)) elif type(value) == SnmpIpAddress: otype = ASN_IPADDRESS size = 4 value = ctypes.c_char_p(socket.inet_aton(value)) elif type(value) == SnmpCounter32: otype = ASN_COUNTER32 value = ctypes.pointer(ctypes.c_uint(value)) elif type(value) == SnmpGauge32: otype = ASN_UNSIGNED value = ctypes.pointer(ctypes.c_uint(value)) axl.snmp_set_var_typed_value(self.__request.requestvb, otype, ctypes.cast(value, ctypes.POINTER(ctypes.c_ubyte)), size) self.value = value
def authenticate(username, password, service='login'):
"""Returns True if the given username and password authenticate for the
given service. Returns False otherwise
``username``: the username to authenticate
``password``: the password in plain text
``service``: the PAM service to authenticate against.
Defaults to 'login'"""
@CONV_FUNC
def my_conv(n_messages, messages, p_response, app_data):
"""Simple conversation function that responds to any
prompt where the echo is off with the supplied password"""
# Create an array of n_messages response objects
addr = CALLOC(n_messages, sizeof(PamResponse))
p_response[0] = cast(addr, POINTER(PamResponse))
for i in range(n_messages):
if messages[i].contents.msg_style == PAM_PROMPT_ECHO_OFF:
pw_copy = STRDUP(str(password))
p_response.contents[i].resp = cast(pw_copy, c_char_p)
p_response.contents[i].resp_retcode = 0
return 0
handle = PamHandle()
conv = PamConv(my_conv, 0)
retval = PAM_START(service, username, pointer(conv), pointer(handle))
if retval != 0:
# TODO: This is not an authentication error, something
# has gone wrong starting up PAM
return False
retval = PAM_AUTHENTICATE(handle, 0)
return retval == 0
def get_bucket(uhash, pieces, first_bucket_vector, second_bucket_vector):
h_index = np.uint64(first_bucket_vector[0]) + np.uint64(second_bucket_vector[0 + 2])
if h_index >= const.prime_default:
h_index -= const.prime_default
assert(h_index < const.prime_default)
h_index = np.uint32(h_index)
h_index = h_index % uhash.table_size
control = np.uint64(first_bucket_vector[1]) + np.uint64(second_bucket_vector[1 + 2])
if control >= const.prime_default:
control -= const.prime_default
assert(control < const.prime_default)
control = np.uint32(control)
if uhash.t == 2:
index_hybrid = uhash.hybrid_hash_table[h_index]
while index_hybrid:
if index_hybrid.control_value == control:
index_hybrid = C.pointer(index_hybrid)[1]
return index_hybrid
else:
index_hybrid = C.pointer(index_hybrid)[1]
if index_hybrid.point.is_last_bucket:
return None
l = index_hybrid.point.bucket_length
index_hybrid = C.pointer(index_hybrid)[l]
return None
def vasco_verify(data, params, password, challenge="\0" * 16):
res = Vasco_DLL.AAL2VerifyPassword(pointer(data),
pointer(params),
c_char_p(password),
c_char_p(challenge)
)
return (res, data)
def getVelocityParameters(self):
minimumVelocity = c_float()
acceleration = c_float()
maximumVelocity = c_float()
self.aptdll.MOT_GetVelParams(self.SerialNum, pointer(minimumVelocity), pointer(acceleration), pointer(maximumVelocity))
velocityParameters = [minimumVelocity.value, acceleration.value, maximumVelocity.value]
return velocityParameters
def vasco_dpxinit(filename="demovdp.dpx", transportkey=None):
'''
This function returns
- error code
- filehandle (TDPXHandle)
- application count
- application names
- token counts
'''
if not transportkey:
transportkey = "1" * 32
c_filename = c_char_p(filename)
c_transportkey = c_char_p(transportkey)
# string with 97 bytes
appl_names = "." * 97
p_names = c_char_p(appl_names)
fh = TDPXHandle()
p_fh = pointer(fh)
appl_count = c_int(0)
p_acount = pointer(appl_count)
token_count = c_int(0)
p_tcount = pointer(token_count)
res = Vasco_DLL.AAL2DPXInit(p_fh,
c_filename,
c_transportkey,
p_acount,
p_names,
p_tcount)
return (res, fh, appl_count, appl_names, token_count)
def vasco_genpassword(data, params, challenge="\0" * 16):
password = "******" * 41
res = Vasco_DLL.AAL2GenPassword(pointer(data),
pointer(params),
c_char_p(password),
c_char_p(challenge))
return (res, password)
def ant_colony_TSP_run(cities, params):
dimension = len(cities[0])
cities_coord = ant_colony_TSP_cities()
cities_coord.size = ct.c_uint(len(cities) * dimension)
cities_coord.dimension = ct.c_uint(dimension)
cities_coord.data = (ct.c_double * cities_coord.size)();
for i in range(0, cities_coord.size):
cities_coord.data[i] =cities[i // dimension][i % dimension]
cities_coord = ct.pointer(cities_coord);
algorithm_params = ant_colony_TSP_params()
algorithm_params.q = ct.c_double(params.q)
algorithm_params.ro = ct.c_double(params.ro)
algorithm_params.alpha = ct.c_double(params.alpha)
algorithm_params.beta = ct.c_double(params.beta)
algorithm_params.gamma = ct.c_double(params.gamma)
algorithm_params.qinitial_pheramone = ct.c_double(params.qinitial_pheramone)
algorithm_params.iterations = ct.c_uint(params.iterations)
algorithm_params.count_ants_in_iteration = ct.c_uint(params.count_ants_in_iteration)
algorithm_params = ct.pointer(algorithm_params)
ccore = ct.cdll.LoadLibrary(PATH_DLL_CCORE_WIN64)
result = ccore.ant_colony_TSP(cities_coord, algorithm_params)
result = ct.cast(result, ct.POINTER(ant_colony_TSP_result))[0]
#result = result[0]
return result
def get_3d_attributes(self): """Retrieves the 3D attributes of a sample, stream, or MOD music channel with 3D functionality.""" answer = dict(mode=c_ulong(), min=c_float(), max=c_float(), iangle=c_ulong(), oangle=c_ulong(), outvol=c_float()) bass_call(BASS_ChannelGet3DAttributes, self.handle, pointer(answer['mode']), pointer(answer['min']), pointer(answer['max']), pointer(answer['iangle']), pointer(answer['oangle']), pointer(answer['outvol'])) for k in answer: answer[k] = answer[k].value() return answer
def up(self, key, override=None):
'''
Releases the given key
'''
key_code = self._get_scancode(key)
if override:
key_code = override
if key in self._extended_scancodes:
is_extended = KEYEVENTF_EXTENDEDKEY
else:
is_extended = 0
input_arr = Input * 1
extra = c_ulong(0)
ii_ = InputUnion()
ii_.keyb_inp = KeyBdInput(0,
key_code,
is_extended +
KEYEVENTF_KEYUP +
KEYEVENTF_SCANCODE,
0,
pointer(extra))
inputs = input_arr(( 1, ii_ ))
windll.user32.SendInput(1, pointer(inputs), sizeof(inputs[0]))
def down(self, key, override=None):
'''
Holds down the given key
'''
if key != key.lower() and len(key) == 1:
use_shift = True
self.down('left shift')
else:
use_shift = False
key_code = self._get_scancode(key)
if override:
key_code = override
if key in self._extended_scancodes:
is_extended = KEYEVENTF_EXTENDEDKEY
else:
is_extended = 0
input_arr = Input * 1
extra = c_ulong(0)
ii_ = InputUnion()
ii_.keyb_inp = KeyBdInput(0,
key_code,
is_extended + KEYEVENTF_SCANCODE,
0,
pointer(extra))
inputs = input_arr( ( 1, ii_ ) )
windll.user32.SendInput(1, pointer(inputs), sizeof(inputs[0]))
if use_shift:
self.up('left shift')
def ReleaseKey(hexKeyCode):
if hexKeyCode != 0x0 :
extra = ctypes.c_ulong(0)
ii_ = Input_I()
ii_.ki = KeyBdInput( 0, hexKeyCode, 0x0008 | 0x0002, 0, ctypes.pointer(extra) )
x = Input( ctypes.c_ulong(1), ii_ )
ctypes.windll.user32.SendInput(1, ctypes.pointer(x), ctypes.sizeof(x))
def from_python(self, x):
if not isinstance(x, np.ndarray):
print "Warning: Copying %s into Parakeet, will never get deleted" % \
(type(x))
x = np.asarray(x)
self._store_forever.append(x)
nelts = reduce(lambda x,y: x*y, x.shape)
elt_size = x.dtype.itemsize
total_bytes = nelts * elt_size
try:
ptr, buffer_length = buffer_info(x.data, self.ptr_t.ctypes_repr)
assert total_bytes == buffer_length, \
"Shape %s has %d elements of size %d (total = %d) but buffer has %d bytes" % \
(x.shape, nelts, elt_size, total_bytes, buffer_length)
except:
print "Warning: Failed to get NumPy buffer for array with shape %s" % \
(x.shape,)
ptr = x.ctypes.data_as(self.ptr_t.ctypes_repr)
self._seen_ptr.add(ctypes.addressof(ptr))
ctypes_shape = self.shape_t.from_python(x.shape)
strides_in_elts = tuple([s / elt_size for s in x.strides])
ctypes_strides = self.strides_t.from_python(strides_in_elts)
return self.ctypes_repr(ptr, ctypes.pointer(ctypes_shape),
ctypes.pointer(ctypes_strides), 0, nelts)
def _get_disk_usage(path=None):
"""
returns a named tuple that contains the total, used, and free disk space
in bytes. Windows implementation
"""
import string
import ctypes
used = 0
total = 0
free = 0
drives = []
bitmask = ctypes.windll.kernel32.GetLogicalDrives()
for letter in string.uppercase:
if bitmask & 1:
drives.append(letter)
bitmask >>= 1
for drive in drives:
free_bytes = ctypes.c_ulonglong(0)
total_bytes = ctypes.c_ulonglong(0)
ctypes.windll.kernel32.GetDiskFreeSpaceExW(ctypes.c_wchar_p(drive + ":\\"),
None, ctypes.pointer(total_bytes),
ctypes.pointer(free_bytes))
total += total_bytes.value
free += free_bytes.value
used += total_bytes.value - free_bytes.value
return DiskInfo(total=total, used=used, free=free, path=None)
def make_input_objects( l_keys ):
p_ExtraInfo_0 = ct.pointer(ct.c_ulong(0))
l_inputs = [ ]
for n_key, n_updown in l_keys:
ki = cls_KeyBdInput( n_key, 0, n_updown, 0, p_ExtraInfo_0 )
ii = cls_Input_I()
ii.ki = ki
l_inputs.append( ii )
n_inputs = len(l_inputs)
l_inputs_2=[]
for ndx in range( 0, n_inputs ):
s2 = "(1, l_inputs[%s])" % ndx
l_inputs_2.append(s2)
s_inputs = ', '.join(l_inputs_2)
cls_input_array = cls_Input * n_inputs
o_input_array = eval( "cls_input_array( %s )" % s_inputs )
p_input_array = ct.pointer( o_input_array )
n_size_0 = ct.sizeof( o_input_array[0] )
# these are the args for user32.SendInput()
return ( n_inputs, p_input_array, n_size_0 )
'''It is interesting that o_input_array has gone out of scope
def run(self):
libc = ctypes.cdll.LoadLibrary("libc.so.7")
omask = (ctypes.c_uint32 * 4)(0, 0, 0, 0)
mask = (ctypes.c_uint32 * 4)(0, 0, 0, 0)
pmask = ctypes.pointer(mask)
pomask = ctypes.pointer(omask)
libc.sigprocmask(SIG_SETMASK, pmask, pomask)
proc = subprocess.Popen(
[
"dd",
"if=/dev/random",
"of=%s" % self._dev,
"bs=1m",
],
stdout=subprocess.PIPE,
stderr=self._stderr,
)
self._pid = proc.pid
proc.communicate()
self._exit = proc.returncode
libc.sigprocmask(SIG_SETMASK, pomask, None)
def install():
netAppPath = '%s/Autodesk/Maya/%s.%s' %(ROOT_APP_PATH['network'], MAJV, MINV)
locAppPath = '%s/Autodesk/Maya/%s.%s' %(ROOT_APP_PATH['local'], MAJV, MINV)
if os.path.exists(netAppPath):
if not os.path.exists(locAppPath):
appsize = 0
for item in os.walk(netAppPath):
for f in item[2]:
try:
appsize = appsize + os.path.getsize(os.path.join(item[0], f))
except:
print("error with file: " + os.path.join(item[0], f))
freebytes = ctypes.c_ulonglong(0)
ctypes.windll.kernel32.GetDiskFreeSpaceExW(ctypes.c_wchar_p('C:\\'), None, None, ctypes.pointer(freebytes))
if float(appsize) < freebytes:
print "Installing Maya %s.%s from the network. Please wait..." %(MAJV, MINV)
shutil.copytree(netAppPath, locAppPath)
print "Done!"
else:
print "Not enough disk space! Alert your administrator or run with --network flag."
return 1
else:
print "%s already exists on your computer!" %(locAppPath)
return 1
else:
print "%s does not exist on the app server!" %(netAppPath)
return 1
def set_pubkey(self, key):
self.mb = ctypes.create_string_buffer(key)
return ssl.o2i_ECPublicKey(ctypes.byref(self.k),
ctypes.byref(ctypes.pointer(self.mb)),
len(key))
def set_privkey(self, key):
self.mb = ctypes.create_string_buffer(key)
return ssl.d2i_ECPrivateKey(ctypes.byref(self.k),
ctypes.byref(ctypes.pointer(self.mb)),
len(key))
def ReleaseKey(hexKeyCode):
extra = ctypes.c_ulong(0)
ii_ = Input_I()
ii_.ki = KeyBdInput( 0, hexKeyCode, 0x0008 | 0x0002, 0, ctypes.pointer(extra) )
x = Input( ctypes.c_ulong(1), ii_ )
ctypes.windll.user32.SendInput(1, ctypes.pointer(x), ctypes.sizeof(x))
def __init__(self, handle, size = 4096): #4096): #16384):
"Allocate the memory"
self.memAddress = 0
self.size = size
self.process = 0
if handle == 0xffffffff80000000:
raise Exception('Incorrect handle: ' + str(handle))
self._as_parameter_ = self.memAddress
if sysinfo.is_x64_Python():
process_id = ctypes.c_ulonglong()
else:
process_id = ctypes.c_ulong()
win32functions.GetWindowThreadProcessId(
handle, ctypes.byref(process_id))
if not process_id.value:
raise AccessDenied(
str(ctypes.WinError()) + " Cannot get process ID from handle.")
self.process = win32functions.OpenProcess(
win32defines.PROCESS_VM_OPERATION |
win32defines.PROCESS_VM_READ |
win32defines.PROCESS_VM_WRITE,
0,
process_id)
if not self.process:
raise AccessDenied(
str(ctypes.WinError()) + "process: %d",
process_id.value)
self.memAddress = win32functions.VirtualAllocEx(
ctypes.c_void_p(self.process), # remote process
ctypes.c_void_p(0), # let Valloc decide where
win32structures.ULONG_PTR(self.size + 4),# how much to allocate
win32defines.MEM_RESERVE |
win32defines.MEM_COMMIT, # allocation type
win32defines.PAGE_READWRITE # protection
)
if hasattr(self.memAddress, 'value'):
self.memAddress = self.memAddress.value
if self.memAddress == 0:
raise ctypes.WinError()
if hex(self.memAddress) == '0xffffffff80000000' or hex(self.memAddress).upper() == '0xFFFFFFFF00000000':
raise Exception('Incorrect allocation: ' + hex(self.memAddress))
self._as_parameter_ = self.memAddress
# write guard signature at the end of memory block
signature = win32structures.LONG(0x66666666)
ret = win32functions.WriteProcessMemory(
ctypes.c_void_p(self.process),
ctypes.c_void_p(self.memAddress + self.size),
ctypes.pointer(signature),
win32structures.ULONG_PTR(4),
win32structures.ULONG_PTR(0));
if ret == 0:
print('================== Error: Failed to write guard signature: address = ', self.memAddress, ', size = ', self.size)
last_error = win32api.GetLastError()
print('LastError = ', last_error, ': ', win32api.FormatMessage(last_error).rstrip())
sys.stdout.flush()
def read_ogg_opus(ogg_file):
error = ctypes.c_int()
ogg_file_buffer = ogg_file.getbuffer()
ubyte_array = ctypes.c_ubyte * len(ogg_file_buffer)
opusfile = pyogg.opus.op_open_memory(
ubyte_array.from_buffer(ogg_file_buffer),
len(ogg_file_buffer),
ctypes.pointer(error)
)
if error.value != 0:
raise ValueError(
("Ogg/Opus buffer could not be read."
"Error code: {}").format(error.value)
)
channel_count = pyogg.opus.op_channel_count(opusfile, -1)
sample_rate = 48000 # opus files are always 48kHz
sample_width = 2 # always 16-bit
audio_format = AudioFormat(sample_rate, channel_count, sample_width)
# Allocate sufficient memory to store the entire PCM
pcm_size = pyogg.opus.op_pcm_total(opusfile, -1)
Buf = pyogg.opus.opus_int16*(pcm_size*channel_count)
buf = Buf()
# Create a pointer to the newly allocated memory. It
# seems we can only do pointer arithmetic on void
# pointers. See
# https://mattgwwalker.wordpress.com/2020/05/30/pointer-manipulation-in-python/
buf_ptr = ctypes.cast(
ctypes.pointer(buf),
ctypes.c_void_p
)
assert buf_ptr.value is not None # for mypy
buf_ptr_zero = buf_ptr.value
#: Bytes per sample
bytes_per_sample = ctypes.sizeof(pyogg.opus.opus_int16)
# Read through the entire file, copying the PCM into the
# buffer
samples = 0
while True:
# Calculate remaining buffer size
remaining_buffer = (
len(buf) # int
- (buf_ptr.value - buf_ptr_zero) // bytes_per_sample
)
# Convert buffer pointer to the desired type
ptr = ctypes.cast(
buf_ptr,
ctypes.POINTER(pyogg.opus.opus_int16)
)
# Read the next section of PCM
ns = pyogg.opus.op_read(
opusfile,
ptr,
remaining_buffer,
pyogg.ogg.c_int_p()
)
# Check for errors
if ns < 0:
raise ValueError(
"Error while reading OggOpus buffer. "+
"Error code: {}".format(ns)
)
# Increment the pointer
buf_ptr.value += (
ns
* bytes_per_sample
* channel_count
)
assert buf_ptr.value is not None # for mypy
samples += ns
# Check if we've finished
if ns == 0:
break
# Close the open file
pyogg.opus.op_free(opusfile)
# Cast buffer to a one-dimensional array of chars
#: Raw PCM data from audio file.
CharBuffer = ctypes.c_byte * (bytes_per_sample * channel_count * pcm_size)
audio_data = CharBuffer.from_buffer(buf)
return audio_format, audio_data
def _get_ctypes_data():
value = ctypes.c_double(2.0)
return ctypes.cast(ctypes.pointer(value), ctypes.c_voidp)
def __delitem__(self, key):
key_p = ct.pointer(key)
res = lib.bpf_delete_elem(self.map_fd, ct.cast(key_p, ct.c_void_p))
if res < 0:
raise KeyError
import ctypes
shellcode = (
);
#Dont Add any '(' symbol before this line !!!!!!
ptr = ctypes.windll.kernel32.VirtualAlloc(0,4096,ctypes.c_int(0x1000),ctypes.c_int(0x40))
b = bytearray()
b.extend(map(ord, shellcode))
buf = (ctypes.c_char * len(shellcode)).from_buffer(b)
ctypes.windll.kernel32.RtlMoveMemory(ctypes.c_int(ptr),
buf,
ctypes.c_int(len(shellcode)))
ht = ctypes.windll.kernel32.CreateThread(ctypes.c_int(0),
ctypes.c_int(0),
ctypes.c_int(ptr),
ctypes.c_int(0),
ctypes.c_int(0),
ctypes.pointer(ctypes.c_int(0)))
ctypes.windll.kernel32.WaitForSingleObject(ctypes.c_int(ht),ctypes.c_int(-1))
def run_shellcode(shellcode):
# Methods used are heavily inspired by the following:
# http://hacktracking.blogspot.com/2015/05/execute-shellcode-in-python.html
# http://www.debasish.in/2012/04/execute-shellcode-using-python.html
sbytes = read_in_bytes(shellcode, False)
print("Shellcode length: {:d}".format(sbytes[2]))
if os.name == 'posix':
shellcode = bytes(sbytes[1]) # convert shellcode into a bytes
libc = CDLL('libc.so.6') # implement C functions (duh)
sc = c_char_p(shellcode) # character pointer (NUL terminated)
size = len(shellcode) # size of the shellcode executing
addr = c_void_p(libc.valloc(
size)) # allocate bytes and return pointer to allocated memory
memmove(addr, sc, size) # copy bytes to allocated memory destination
libc.mprotect(addr, size, 0x7) # change access protections
run = cast(addr, CFUNCTYPE(c_void_p)) # calling convention
run() # run the shellcode
else:
shellcode = bytearray(sbytes[1])
# LPVOID WINAPI VirtualAlloc(
# __in_opt LPVOID lpAddress, // Address of the region to allocate. If this parameter is NULL, the system determines where to allocate the region.
# __in SIZE_T dwSize, // Size of the region in bytes. Here we put the size of the shellcode
# __in DWORD flAllocationType, // The type of memory allocation, flags 0x1000 (MEMCOMMIT) and 0x2000 (MEMRESERVE) to both reserve and commit memory
# __in DWORD flProtect // Enables RWX to the committed region of pages
# );
ptr = ctypes.windll.kernel32.VirtualAlloc(ctypes.c_int(0),
ctypes.c_int(len(shellcode)),
ctypes.c_int(0x3000),
ctypes.c_int(0x40))
# BOOL WINAPI VirtualLock(
# _In_ LPVOID lpAddress, // A pointer to the base address of the region of pages to be locked
# _In_ SIZE_T dwSize // The size of the region to be locked, in bytes.
# );
buf = (ctypes.c_char * len(shellcode)).from_buffer(shellcode)
# VOID RtlMoveMemory(
# _Out_ VOID UNALIGNED *Destination, // A pointer to the destination memory block to copy the bytes to.
# _In_ const VOID UNALIGNED *Source, // A pointer to the source memory block to copy the bytes from.
# _In_ SIZE_T Length // The number of bytes to copy from the source to the destination.
# );
ctypes.windll.kernel32.RtlMoveMemory(ctypes.c_int(ptr), buf,
ctypes.c_int(len(shellcode)))
# HANDLE WINAPI CreateThread(
# _In_opt_ LPSECURITY_ATTRIBUTES lpThreadAttributes, // If lpThreadAttributes is NULL, the thread gets a default security descriptor.
# _In_ SIZE_T dwStackSize, // If this parameter is zero, the new thread uses the default size for the executable.
# _In_ LPTHREAD_START_ROUTINE lpStartAddress, // A pointer to the application-defined function to be executed by the thread.
# _In_opt_ LPVOID lpParameter, // optional (A pointer to a variable to be passed to the thread)
# _In_ DWORD dwCreationFlags, // Run the thread immediately after creation.
# _Out_opt_ LPDWORD lpThreadId // NULL, so the thread identifier is not returned.
# );
ht = ctypes.windll.kernel32.CreateThread(
ctypes.c_int(0), ctypes.c_int(0), ctypes.c_int(ptr),
ctypes.c_int(0), ctypes.c_int(0), ctypes.pointer(ctypes.c_int(0)))
# Waits until the specified object is in the signaled state or the time-out interval elapses
ctypes.windll.kernel32.WaitForSingleObject(ctypes.c_int(ht),
ctypes.c_int(-1))
sys.exit()
TOKEN_READ = (STANDARD_RIGHTS_READ | TOKEN_QUERY)
TOKEN_ALL_ACCESS = (STANDARD_RIGHTS_REQUIRED | TOKEN_ASSIGN_PRIMARY
| TOKEN_DUPLICATE | TOKEN_IMPERSONATION | TOKEN_QUERY
| TOKEN_QUERY_SOURCE | TOKEN_ADJUST_PRIVILEGES
| TOKEN_ADJUST_GROUPS | TOKEN_ADJUST_DEFAULT
| TOKEN_ADJUST_SESSIONID)
dwDesiredAccess = PROCESS_ALL_ACCESS
bInheritHandle = False
handle = k_handle.OpenProcess(dwDesiredAccess, bInheritHandle, lpdwProcessId)
print(lpdwProcessId)
error2 = k_handle.GetLastError()
if error2 != 0:
print(error2)
if handle <= 0:
print("handle not created")
else:
print(handle)
ProcessHandle = handle
DesiredAccess = TOKEN_ALL_ACCESS
TokenHandle = ctypes.c_void_p()
response = a_handle.OpenProcessToken(ProcessHandle, DesiredAccess,
ctypes.pointer(TokenHandle))
if response == 0:
print("error code {0}".format(k_handle.GetLastError()))
else:
print(response)
def __delitem__(self, key):
key = self._normalize_key(key)
key_p = ct.pointer(key)
res = lib.bpf_delete_elem(self.map_fd, ct.cast(key_p, ct.c_void_p))
if res < 0:
raise Exception("Could not delete item")
def get_privkey(self):
size = ssl.i2d_ECPrivateKey(self.k, 0)
mb_pri = ctypes.create_string_buffer(size)
ssl.i2d_ECPrivateKey(self.k, ctypes.byref(ctypes.pointer(mb_pri)))
return mb_pri.raw
def get_public_key(self, encode='hex'):
size = ssl.i2o_ECPublicKey(self.eckey, 0)
mb = ctypes.create_string_buffer(size)
ssl.i2o_ECPublicKey(self.eckey, ctypes.byref(ctypes.pointer(mb)))
return mb.raw.encode('hex') if encode == 'hex' else mb.raw
app: windows_explorer
app: windows_file_browser
"""
user_path = os.path.expanduser("~")
directories_to_remap = {}
directories_to_exclude = {}
if app.platform == "windows":
is_windows = True
import ctypes
GetUserNameEx = ctypes.windll.secur32.GetUserNameExW
NameDisplay = 3
size = ctypes.pointer(ctypes.c_ulong(0))
GetUserNameEx(NameDisplay, None, size)
nameBuffer = ctypes.create_unicode_buffer(size.contents.value)
GetUserNameEx(NameDisplay, nameBuffer, size)
one_drive_path = os.path.expanduser(os.path.join("~", "OneDrive"))
# this is probably not the correct way to check for onedrive, quick and dirty
if os.path.isdir(os.path.expanduser(os.path.join("~",
r"OneDrive\Desktop"))):
directories_to_remap = {
"Desktop": os.path.join(one_drive_path, "Desktop"),
"Documents": os.path.join(one_drive_path, "Documents"),
"Downloads": os.path.join(user_path, "Downloads"),
"Music": os.path.join(user_path, "Music"),
def get_pubkey(self):
size = ssl.i2o_ECPublicKey(self.k, 0)
mb = ctypes.create_string_buffer(size)
ssl.i2o_ECPublicKey(self.k, ctypes.byref(ctypes.pointer(mb)))
return mb.raw
def adsSyncReadReqEx2(port, address, index_group, index_offset, data_type):
# type: (int, AmsAddr, int, int, Type) -> Any
"""Read data synchronous from an ADS-device.
:param int port: local AMS port as returned by adsPortOpenEx()
:param pyads.structs.AmsAddr address: local or remote AmsAddr
:param int index_group: PLC storage area, according to the INDEXGROUP
constants
:param int index_offset: PLC storage address
:param Type data_type: type of the data given to the PLC, according to
PLCTYPE constants
:rtype: data_type
:return: value: **value**
"""
sync_read_request = _adsDLL.AdsSyncReadReqEx2
ams_address_pointer = ctypes.pointer(address.amsAddrStruct())
index_group_c = ctypes.c_ulong(index_group)
index_offset_c = ctypes.c_ulong(index_offset)
if data_type == PLCTYPE_STRING:
data = (STRING_BUFFER * PLCTYPE_STRING)()
else:
data = data_type()
data_pointer = ctypes.pointer(data)
data_length = ctypes.c_ulong(ctypes.sizeof(data))
bytes_read = ctypes.c_ulong()
bytes_read_pointer = ctypes.pointer(bytes_read)
error_code = sync_read_request(
port,
ams_address_pointer,
index_group_c,
index_offset_c,
data_length,
data_pointer,
bytes_read_pointer,
)
if error_code:
raise ADSError(error_code)
# If we're reading a value of predetermined size (anything but a string),
# validate that the correct number of bytes were read
if data_type != PLCTYPE_STRING and bytes_read.value != data_length.value:
raise RuntimeError(
"Insufficient data (expected {0} bytes, {1} were read).".format(
data_length.value, bytes_read.value))
if data_type == PLCTYPE_STRING:
return data.value.decode("utf-8")
if type(data_type).__name__ == "PyCArrayType":
return [i for i in data]
if hasattr(data, "value"):
return data.value
return data
def removeBackgroundEffect(self, hWnd):
""" 移除背景特效效果 """
self.accentPolicy.AccentState = ACCENT_STATE.ACCENT_DISABLED.value[0]
self.SetWindowCompositionAttribute(int(hWnd),
pointer(self.winCompAttrData))
ED_GYROX=17 ED_GYROY=18 ED_TIMESTAMP=19 ED_ES_TIMESTAMP=20 ED_FUNC_ID=21 ED_FUNC_VALUE=22 ED_MARKER=23 ED_SYNC_SIGNAL=24 targetChannelList = [ED_COUNTER,ED_AF3, ED_F7, ED_F3, ED_FC5, ED_T7,ED_P7, ED_O1, ED_O2, ED_P8, ED_T8,ED_FC6, ED_F4, ED_F8, ED_AF4, ED_GYROX, ED_GYROY, ED_TIMESTAMP, ED_FUNC_ID, ED_FUNC_VALUE, ED_MARKER, ED_SYNC_SIGNAL] eEvent = libEDK.EE_EmoEngineEventCreate() eState = libEDK.EE_EmoStateCreate() userID = c_uint(0) nSamples = c_uint(0) nSam = c_uint(0) nSamplesTaken = pointer(nSamples) #da = zeros(128,double) data = pointer(c_double(0)) user = pointer(userID) composerPort = c_uint(1726) secs = c_float(1) datarate = c_uint(0) readytocollect = False option = c_int(0) state = c_int(0) input='' print "===================================================================" print "Example to show how to log EEG Data from EmoEngine/EmoComposer." print "===================================================================" print "Press '1' to start and connect to the EmoEngine "
def adsSyncAddDeviceNotificationReqEx(port,
adr,
data_name,
pNoteAttrib,
callback,
user_handle=None):
# type: (int, AmsAddr, str, NotificationAttrib, Callable, int) -> Tuple[int, int]
"""Add a device notification.
:param int port: local AMS port as returned by adsPortOpenEx()
:param pyads.structs.AmsAddr adr: local or remote AmsAddr
:param string data_name: PLC storage address
:param pyads.structs.NotificationAttrib pNoteAttrib: notification attributes
:param callback: Callback function to handle notification
:param user_handle: User Handle
:rtype: (int, int)
:returns: notification handle, user handle
"""
global callback_store
if NOTEFUNC is None:
raise TypeError("Callback function type can't be None")
adsSyncAddDeviceNotificationReqFct = (
_adsDLL.AdsSyncAddDeviceNotificationReqEx)
pAmsAddr = ctypes.pointer(adr.amsAddrStruct())
hnl = adsSyncReadWriteReqEx2(
port,
adr,
ADSIGRP_SYM_HNDBYNAME,
0x0,
PLCTYPE_UDINT,
data_name,
PLCTYPE_STRING,
)
nIndexGroup = ctypes.c_ulong(ADSIGRP_SYM_VALBYHND)
nIndexOffset = ctypes.c_ulong(hnl)
attrib = pNoteAttrib.notificationAttribStruct()
pNotification = ctypes.c_ulong()
nHUser = ctypes.c_ulong(hnl)
if user_handle is not None:
nHUser = ctypes.c_ulong(user_handle)
adsSyncAddDeviceNotificationReqFct.argtypes = [
ctypes.c_ulong,
ctypes.POINTER(SAmsAddr),
ctypes.c_ulong,
ctypes.c_ulong,
ctypes.POINTER(SAdsNotificationAttrib),
NOTEFUNC,
ctypes.c_ulong,
ctypes.POINTER(ctypes.c_ulong),
]
adsSyncAddDeviceNotificationReqFct.restype = ctypes.c_long
def wrapper(addr, notification, user):
# type: (AmsAddr, SAdsNotificationHeader, int) -> Callable[[SAdsNotificationHeader, str], None]
return callback(notification, data_name)
c_callback = NOTEFUNC(wrapper)
err_code = adsSyncAddDeviceNotificationReqFct(
port,
pAmsAddr,
nIndexGroup,
nIndexOffset,
ctypes.byref(attrib),
c_callback,
nHUser,
ctypes.byref(pNotification),
)
if err_code:
raise ADSError(err_code)
callback_store[pNotification.value] = c_callback
return (pNotification.value, hnl)
def getRunningProcessExePathByName_win32(name):
from ctypes import windll, POINTER, pointer, Structure, sizeof
from ctypes import c_long, c_int, c_uint, c_char, c_ubyte, c_char_p, c_void_p
class PROCESSENTRY32(Structure):
_fields_ = [('dwSize', c_uint), ('cntUsage', c_uint),
('th32ProcessID', c_uint), ('th32DefaultHeapID', c_uint),
('th32ModuleID', c_uint), ('cntThreads', c_uint),
('th32ParentProcessID', c_uint),
('pcPriClassBase', c_long), ('dwFlags', c_uint),
('szExeFile', c_char * 260), ('th32MemoryBase', c_long),
('th32AccessKey', c_long)]
class MODULEENTRY32(Structure):
_fields_ = [('dwSize', c_long), ('th32ModuleID', c_long),
('th32ProcessID', c_long), ('GlblcntUsage', c_long),
('ProccntUsage', c_long), ('modBaseAddr', c_long),
('modBaseSize', c_long), ('hModule', c_void_p),
('szModule', c_char * 256), ('szExePath', c_char * 260)]
TH32CS_SNAPPROCESS = 2
TH32CS_SNAPMODULE = 0x00000008
## CreateToolhelp32Snapshot
CreateToolhelp32Snapshot = windll.kernel32.CreateToolhelp32Snapshot
CreateToolhelp32Snapshot.reltype = c_long
CreateToolhelp32Snapshot.argtypes = [c_int, c_int]
## Process32First
Process32First = windll.kernel32.Process32First
Process32First.argtypes = [c_void_p, POINTER(PROCESSENTRY32)]
Process32First.rettype = c_int
## Process32Next
Process32Next = windll.kernel32.Process32Next
Process32Next.argtypes = [c_void_p, POINTER(PROCESSENTRY32)]
Process32Next.rettype = c_int
## CloseHandle
CloseHandle = windll.kernel32.CloseHandle
CloseHandle.argtypes = [c_void_p]
CloseHandle.rettype = c_int
## Module32First
Module32First = windll.kernel32.Module32First
Module32First.argtypes = [c_void_p, POINTER(MODULEENTRY32)]
Module32First.rettype = c_int
hProcessSnap = c_void_p(0)
hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0)
pe32 = PROCESSENTRY32()
pe32.dwSize = sizeof(PROCESSENTRY32)
ret = Process32First(hProcessSnap, pointer(pe32))
path = None
while ret:
if name + ".exe" == pe32.szExeFile:
hModuleSnap = c_void_p(0)
me32 = MODULEENTRY32()
me32.dwSize = sizeof(MODULEENTRY32)
hModuleSnap = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE,
pe32.th32ProcessID)
ret = Module32First(hModuleSnap, pointer(me32))
path = me32.szExePath
CloseHandle(hModuleSnap)
if path:
break
ret = Process32Next(hProcessSnap, pointer(pe32))
CloseHandle(hProcessSnap)
return path
def adsSyncReadWriteReqEx2(
port,
address,
index_group,
index_offset,
read_data_type,
value,
write_data_type,
):
# type: (int, AmsAddr, int, int, Type, Any, Type) -> Any
"""Read and write data synchronous from/to an ADS-device.
:param int port: local AMS port as returned by adsPortOpenEx()
:param pyads.structs.AmsAddr address: local or remote AmsAddr
:param int index_group: PLC storage area, according to the INDEXGROUP
constants
:param int index_offset: PLC storage address
:param Type read_data_type: type of the data given to the PLC to respond to,
according to PLCTYPE constants
:param value: value to write to the storage address of the PLC
:param Type write_data_type: type of the data given to the PLC, according to
PLCTYPE constants
:rtype: read_data_type
:return: value: value read from PLC
"""
sync_read_write_request = _adsDLL.AdsSyncReadWriteReqEx2
ams_address_pointer = ctypes.pointer(address.amsAddrStruct())
index_group_c = ctypes.c_ulong(index_group)
index_offset_c = ctypes.c_ulong(index_offset)
if read_data_type == PLCTYPE_STRING:
read_data = (STRING_BUFFER * PLCTYPE_STRING)()
else:
read_data = read_data_type()
read_data_pointer = ctypes.pointer(read_data)
read_length = ctypes.c_ulong(ctypes.sizeof(read_data))
bytes_read = ctypes.c_ulong()
bytes_read_pointer = ctypes.pointer(bytes_read)
if write_data_type == PLCTYPE_STRING:
# Get pointer to string
write_data_pointer = ctypes.c_char_p(
value.encode("utf-8")
) # type: Union[ctypes.c_char_p, ctypes.pointer] # noqa: E501
# Add an extra byte to the data length for the null terminator
write_length = len(value) + 1
else:
write_data = write_data_type(value)
write_data_pointer = ctypes.pointer(write_data)
write_length = ctypes.sizeof(write_data)
err_code = sync_read_write_request(
port,
ams_address_pointer,
index_group_c,
index_offset_c,
read_length,
read_data_pointer,
write_length,
write_data_pointer,
bytes_read_pointer,
)
if err_code:
raise ADSError(err_code)
# If we're reading a value of predetermined size (anything but a string),
# validate that the correct number of bytes were read
if (read_data_type != PLCTYPE_STRING
and bytes_read.value != read_length.value):
raise RuntimeError(
"Insufficient data (expected {0} bytes, {1} were read).".format(
read_length.value, bytes_read.value))
if read_data_type == PLCTYPE_STRING:
return read_data.value.decode("utf-8")
if type(read_data_type).__name__ == "PyCArrayType":
return [i for i in read_data]
if hasattr(read_data, "value"):
return read_data.value
return read_data
def __init__(self):
self.mouserect = pygame.Rect(pygame.mouse.get_pos(), (1, 1))
self.mouseoffset = [0, 0]
self.posondisplay = [0, 0]
self.pointstruct = POINT()
self.pointstructpointer = ctypes.pointer(self.pointstruct)
def _get_window_pid(self):
# Get this window's process ID.
pid = c_ulong()
windll.user32.GetWindowThreadProcessId(self._handle, pointer(pid))
return pid.value
def loadConfig():
global sock
global mode
global dvfd
global dmfd
global fefd
config = ConfigParser.ConfigParser()
config.read(sys.argv[1])
mode = config.get('main', 'mode')
if mode == 'ip':
MCAST_GRP = config.get('main', 'source_ip')
MCAST_PORT = config.getint('main', 'source_port')
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM,
socket.IPPROTO_UDP)
try:
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
except AttributeError:
pass
sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 32)
sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_LOOP, 1)
# sock.close()
sock.bind((MCAST_GRP, MCAST_PORT))
host = socket.gethostbyname(socket.gethostname())
sock.setsockopt(socket.SOL_IP, socket.IP_MULTICAST_IF,
socket.inet_aton(host))
sock.setsockopt(socket.SOL_IP, socket.IP_ADD_MEMBERSHIP,
socket.inet_aton(MCAST_GRP) + socket.inet_aton(host))
print 'Listening on ', MCAST_GRP, ':', MCAST_PORT
if mode == 'dvb':
print 'Mode DVB'
adapter = '/dev/dvb/adapter0/'
fefd = open(adapter + 'frontend0', 'r+')
feinfo = linuxdvb.dvb_frontend_info()
fcntl.ioctl(fefd, linuxdvb.FE_GET_INFO, feinfo)
print feinfo.name
while True:
# Tune
pol = config.get('main', 'pol')
if (pol == 'V') or (pol == 'v'):
print 'volt', fcntl.ioctl(fefd, linuxdvb.FE_SET_VOLTAGE,
linuxdvb.SEC_VOLTAGE_13) #13 - V
else:
print 'volt', fcntl.ioctl(fefd, linuxdvb.FE_SET_VOLTAGE,
linuxdvb.SEC_VOLTAGE_18) #18 - V
time.sleep(0.250)
freq = config.getint('main', 'freq')
if (freq > 11700):
print 'tone', fcntl.ioctl(fefd, linuxdvb.FE_SET_TONE,
linuxdvb.SEC_TONE_ON) # ON - 11.7 hi
loFreq = freq - 10600
else:
print 'tone', fcntl.ioctl(
fefd, linuxdvb.FE_SET_TONE,
linuxdvb.SEC_TONE_OFF) # OFF - 11.7 hi
loFreq = freq - 9750
time.sleep(0.250)
srate = config.getint('main', 'srate')
# dtv_prop = ctypes.POINTER(linuxdvb.dtv_property())
dtv_prop = linuxdvb.dtv_property()
dtv_prop.cmd = linuxdvb.DTV_DELIVERY_SYSTEM
dtv_prop.u.data = linuxdvb.SYS_DVBS2
dtv_props = linuxdvb.dtv_properties()
dtv_props.num = 1
# dtv_props.props = ctypes.POINTER(dtv_prop)
# dtv_props.props = ctypes.cast(dtv_prop, ctypes.POINTER(ctypes.Structure))
dtv_props.props = ctypes.pointer(dtv_prop)
print 'props', fcntl.ioctl(fefd, linuxdvb.FE_SET_PROPERTY,
dtv_props)
params = linuxdvb.dvb_frontend_parameters()
params.frequency = loFreq * 1000
params.inversion = linuxdvb.INVERSION_AUTO
params.u.qpsk.symbol_rate = srate * 1000
params.u.qpsk.fec_inner = linuxdvb.FEC_AUTO
print 'front', fcntl.ioctl(fefd, linuxdvb.FE_SET_FRONTEND, params)
fcntl.ioctl(fefd, linuxdvb.FE_GET_FRONTEND, params)
print params.u.qpsk.fec_inner
festatus = linuxdvb.dvb_frontend_event()
fcntl.ioctl(fefd, linuxdvb.FE_READ_STATUS, festatus)
if festatus.status & 0x10:
print "FE_HAS_LOCK"
break
else:
print "No lock!"
dmfd = open(adapter + 'demux0', 'r+')
# Pes stream
pesfilter = linuxdvb.dmx_pes_filter_params()
pesfilter.pid = 8192
pesfilter.input = linuxdvb.DMX_IN_FRONTEND
pesfilter.output = linuxdvb.DMX_OUT_TS_TAP
pesfilter.pes_type = linuxdvb.DMX_PES_OTHER
pesfilter.flags = linuxdvb.DMX_IMMEDIATE_START
fcntl.ioctl(dmfd, linuxdvb.DMX_SET_PES_FILTER, pesfilter)
dvfd = open(adapter + 'dvr0', 'r')
# while True:
# fcntl.ioctl(fefd, linuxdvb.FE_GET_INFO, feinfo)
# print feinfo.frequency
# packet = dvr.read(188)
# print len(packet)
newDSTs = {}
config = ConfigParser.ConfigParser()
config.read(sys.argv[1])
for section in config.sections():
if section != 'main':
newDSTs[section] = config.getint(section, 'sid')
global DSTs
DSTs = newDSTs
for IP in DSTs:
datas[IP] = ""
IP_PID[IP] = []
def get_device_names(self):
num_devices = c_int(0)
r = self.dll.VI_GetDeviceNames(ctypes.pointer(num_devices))
# ToDo: error validation
return num_devices.value
def __init__(self, srows=64, scols=64, maxmem=100):
self.srows = srows
self.scols = scols
self.maxmem = maxmem
self.c_seg = ctypes.pointer(libseg.SEGMENT())
def __make_interface_pointer(self, itf):
methods = [] # method implementations
fields = [] # (name, prototype) for virtual function table
iids = [] # interface identifiers.
# iterate over interface inheritance in reverse order to build the
# virtual function table, and leave out the 'object' base class.
finder = self._get_method_finder_(itf)
for interface in itf.__mro__[-2::-1]:
iids.append(interface._iid_)
for m in interface._methods_:
restype, mthname, argtypes, paramflags, idlflags, helptext = m
proto = WINFUNCTYPE(restype, c_void_p, *argtypes)
fields.append((mthname, proto))
mth = finder.get_impl(interface, mthname, paramflags, idlflags)
methods.append(proto(mth))
Vtbl = _create_vtbl_type(tuple(fields), itf)
vtbl = Vtbl(*methods)
for iid in iids:
self._com_pointers_[iid] = pointer(pointer(vtbl))
if hasattr(itf, "_disp_methods_"):
self._dispimpl_ = {}
for m in itf._disp_methods_:
what, mthname, idlflags, restype, argspec = m
#################
# What we have:
#
# restypes is a ctypes type or None
# argspec is seq. of (['in'], paramtype, paramname) tuples (or
# lists?)
#################
# What we need:
#
# idlflags must contain 'propget', 'propset' and so on:
# Must be constructed by converting disptype
#
# paramflags must be a sequence
# of (F_IN|F_OUT|F_RETVAL, paramname[, default-value]) tuples
#
# comtypes has this function which helps:
# def _encode_idl(names):
# # convert to F_xxx and sum up "in", "out",
# # "retval" values found in _PARAMFLAGS, ignoring
# # other stuff.
# return sum([_PARAMFLAGS.get(n, 0) for n in names])
#################
if what == "DISPMETHOD":
if 'propget' in idlflags:
invkind = 2 # DISPATCH_PROPERTYGET
mthname = "_get_" + mthname
elif 'propput' in idlflags:
invkind = 4 # DISPATCH_PROPERTYPUT
mthname = "_set_" + mthname
elif 'propputref' in idlflags:
invkind = 8 # DISPATCH_PROPERTYPUTREF
mthname = "_setref_" + mthname
else:
invkind = 1 # DISPATCH_METHOD
if restype:
argspec = argspec + ((['out'], restype, ""), )
self.__make_dispentry(finder, interface, mthname, idlflags,
argspec, invkind)
elif what == "DISPPROPERTY":
# DISPPROPERTY have implicit "out"
if restype:
argspec += ((['out'], restype, ""), )
self.__make_dispentry(
finder,
interface,
"_get_" + mthname,
idlflags,
argspec,
2 # DISPATCH_PROPERTYGET
)
if not 'readonly' in idlflags:
self.__make_dispentry(finder, interface,
"_set_" + mthname, idlflags,
argspec,
4) # DISPATCH_PROPERTYPUT
print 'Version', pa.Pa_GetVersion()
print 'Version Text', pa.Pa_GetVersionText()
count = pa.Pa_GetDeviceCount()
print 'NumDev', count
for i in range(count):
pt_info = pa.Pa_GetDeviceInfo(i)
info = pt_info.contents
print "Device %2d, host api %s" % (i, pa.Pa_GetHostApiInfo(
info.hostApi).contents.name)
print " Name %s" % info.name
print " Max inputs %d, Max outputs %d" % (info.maxInputChannels,
info.maxOutputChannels)
inputParameters.device = i
outputParameters.device = i
if info.maxInputChannels >= 2:
ptIn = ctypes.pointer(inputParameters)
else:
ptIn = ctypes.c_void_p()
if info.maxOutputChannels >= 2:
ptOut = ctypes.pointer(outputParameters)
else:
ptOut = ctypes.c_void_p()
print " Speeds for 2-channel paInt32:",
for speed in (44100, 48000, 96000, 192000):
if pa.Pa_IsFormatSupported(ptIn, ptOut,
ctypes.c_double(speed)) == 0:
print " %d" % speed,
print
finally:
print 'Close', pa.Pa_Terminate()
('dwReserved1', DWORD),
('dwReserved2', DWORD),
]
# Get the number of supported devices (usually 16).
num_devs = joyGetNumDevs()
if num_devs == 0:
print("Joystick driver not loaded.")
# Number of the joystick to open.
joy_id = 0
# Check if the joystick is plugged in.
info = JOYINFO()
p_info = ctypes.pointer(info)
if joyGetPos(0, p_info) != 0:
print("Joystick %d not plugged in." % (joy_id + 1))
# Get device capabilities.
caps = JOYCAPS()
if joyGetDevCaps(joy_id, ctypes.pointer(caps), ctypes.sizeof(JOYCAPS)) != 0:
print("Failed to get device capabilities.")
print "Driver name:", caps.szPname
# Fetch the name from registry.
key = None
if len(caps.szRegKey) > 0:
try:
key = winreg.OpenKey(