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def strace_set_buffer_size ( self , size ) : size = ctypes . c_uint32 ( size ) res = self . _dll . JLINK_STRACE_Control ( enums . JLinkStraceCommand . SET_BUFFER_SIZE , size ) if res < 0 : raise errors . JLinkException ( 'Failed to set the STRACE buffer size.' ) return None
Sets the STRACE buffer size .
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def trace_start ( self ) : cmd = enums . JLinkTraceCommand . START res = self . _dll . JLINKARM_TRACE_Control ( cmd , 0 ) if ( res == 1 ) : raise errors . JLinkException ( 'Failed to start trace.' ) return None
Starts collecting trace data .
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def trace_stop ( self ) : cmd = enums . JLinkTraceCommand . STOP res = self . _dll . JLINKARM_TRACE_Control ( cmd , 0 ) if ( res == 1 ) : raise errors . JLinkException ( 'Failed to stop trace.' ) return None
Stops collecting trace data .
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def trace_flush ( self ) : cmd = enums . JLinkTraceCommand . FLUSH res = self . _dll . JLINKARM_TRACE_Control ( cmd , 0 ) if ( res == 1 ) : raise errors . JLinkException ( 'Failed to flush the trace buffer.' ) return None
Flushes the trace buffer .
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def trace_buffer_capacity ( self ) : cmd = enums . JLinkTraceCommand . GET_CONF_CAPACITY data = ctypes . c_uint32 ( 0 ) res = self . _dll . JLINKARM_TRACE_Control ( cmd , ctypes . byref ( data ) ) if ( res == 1 ) : raise errors . JLinkException ( 'Failed to get trace buffer size.' ) return data . value
Retrieves the trace buffer s current capacity .
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def trace_set_buffer_capacity ( self , size ) : cmd = enums . JLinkTraceCommand . SET_CAPACITY data = ctypes . c_uint32 ( size ) res = self . _dll . JLINKARM_TRACE_Control ( cmd , ctypes . byref ( data ) ) if ( res == 1 ) : raise errors . JLinkException ( 'Failed to set trace buffer size.' ) return None
Sets the capacity for the trace buffer .
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def trace_min_buffer_capacity ( self ) : cmd = enums . JLinkTraceCommand . GET_MIN_CAPACITY data = ctypes . c_uint32 ( 0 ) res = self . _dll . JLINKARM_TRACE_Control ( cmd , ctypes . byref ( data ) ) if ( res == 1 ) : raise errors . JLinkException ( 'Failed to get min trace buffer size.' ) return data . value
Retrieves the minimum capacity the trace buffer can be configured with .
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def trace_max_buffer_capacity ( self ) : cmd = enums . JLinkTraceCommand . GET_MAX_CAPACITY data = ctypes . c_uint32 ( 0 ) res = self . _dll . JLINKARM_TRACE_Control ( cmd , ctypes . byref ( data ) ) if ( res == 1 ) : raise errors . JLinkException ( 'Failed to get max trace buffer size.' ) return data . value
Retrieves the maximum size the trace buffer can be configured with .
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def trace_set_format ( self , fmt ) : cmd = enums . JLinkTraceCommand . SET_FORMAT data = ctypes . c_uint32 ( fmt ) res = self . _dll . JLINKARM_TRACE_Control ( cmd , ctypes . byref ( data ) ) if ( res == 1 ) : raise errors . JLinkException ( 'Failed to set trace format.' ) return None
Sets the format for the trace buffer to use .
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def trace_format ( self ) : cmd = enums . JLinkTraceCommand . GET_FORMAT data = ctypes . c_uint32 ( 0 ) res = self . _dll . JLINKARM_TRACE_Control ( cmd , ctypes . byref ( data ) ) if ( res == 1 ) : raise errors . JLinkException ( 'Failed to get trace format.' ) return data . value
Retrieves the current format the trace buffer is using .
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def trace_region_count ( self ) : cmd = enums . JLinkTraceCommand . GET_NUM_REGIONS data = ctypes . c_uint32 ( 0 ) res = self . _dll . JLINKARM_TRACE_Control ( cmd , ctypes . byref ( data ) ) if ( res == 1 ) : raise errors . JLinkException ( 'Failed to get trace region count.' ) return data . value
Retrieves a count of the number of available trace regions .
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def trace_region ( self , region_index ) : cmd = enums . JLinkTraceCommand . GET_REGION_PROPS_EX region = structs . JLinkTraceRegion ( ) region . RegionIndex = int ( region_index ) res = self . _dll . JLINKARM_TRACE_Control ( cmd , ctypes . byref ( region ) ) if ( res == 1 ) : raise errors . JLinkException ( 'Failed to...
Retrieves the properties of a trace region .
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def trace_read ( self , offset , num_items ) : buf_size = ctypes . c_uint32 ( num_items ) buf = ( structs . JLinkTraceData * num_items ) ( ) res = self . _dll . JLINKARM_TRACE_Read ( buf , int ( offset ) , ctypes . byref ( buf_size ) ) if ( res == 1 ) : raise errors . JLinkException ( 'Failed to read from trace buffer....
Reads data from the trace buffer and returns it .
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def swo_start ( self , swo_speed = 9600 ) : if self . swo_enabled ( ) : self . swo_stop ( ) info = structs . JLinkSWOStartInfo ( ) info . Speed = swo_speed res = self . _dll . JLINKARM_SWO_Control ( enums . JLinkSWOCommands . START , ctypes . byref ( info ) ) if res < 0 : raise errors . JLinkException ( res ) self . _s...
Starts collecting SWO data .
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def swo_stop ( self ) : res = self . _dll . JLINKARM_SWO_Control ( enums . JLinkSWOCommands . STOP , 0 ) if res < 0 : raise errors . JLinkException ( res ) return None
Stops collecting SWO data .
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def swo_enable ( self , cpu_speed , swo_speed = 9600 , port_mask = 0x01 ) : if self . swo_enabled ( ) : self . swo_stop ( ) res = self . _dll . JLINKARM_SWO_EnableTarget ( cpu_speed , swo_speed , enums . JLinkSWOInterfaces . UART , port_mask ) if res != 0 : raise errors . JLinkException ( res ) self . _swo_enabled = Tr...
Enables SWO output on the target device .
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def swo_disable ( self , port_mask ) : res = self . _dll . JLINKARM_SWO_DisableTarget ( port_mask ) if res != 0 : raise errors . JLinkException ( res ) return None
Disables ITM & Stimulus ports .
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def swo_flush ( self , num_bytes = None ) : if num_bytes is None : num_bytes = self . swo_num_bytes ( ) buf = ctypes . c_uint32 ( num_bytes ) res = self . _dll . JLINKARM_SWO_Control ( enums . JLinkSWOCommands . FLUSH , ctypes . byref ( buf ) ) if res < 0 : raise errors . JLinkException ( res ) return None
Flushes data from the SWO buffer .
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def swo_speed_info ( self ) : info = structs . JLinkSWOSpeedInfo ( ) res = self . _dll . JLINKARM_SWO_Control ( enums . JLinkSWOCommands . GET_SPEED_INFO , ctypes . byref ( info ) ) if res < 0 : raise errors . JLinkException ( res ) return info
Retrieves information about the supported SWO speeds .
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def swo_num_bytes ( self ) : res = self . _dll . JLINKARM_SWO_Control ( enums . JLinkSWOCommands . GET_NUM_BYTES , 0 ) if res < 0 : raise errors . JLinkException ( res ) return res
Retrives the number of bytes in the SWO buffer .
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def swo_set_host_buffer_size ( self , buf_size ) : buf = ctypes . c_uint32 ( buf_size ) res = self . _dll . JLINKARM_SWO_Control ( enums . JLinkSWOCommands . SET_BUFFERSIZE_HOST , ctypes . byref ( buf ) ) if res < 0 : raise errors . JLinkException ( res ) return None
Sets the size of the buffer used by the host to collect SWO data .
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def swo_set_emu_buffer_size ( self , buf_size ) : buf = ctypes . c_uint32 ( buf_size ) res = self . _dll . JLINKARM_SWO_Control ( enums . JLinkSWOCommands . SET_BUFFERSIZE_EMU , ctypes . byref ( buf ) ) if res < 0 : raise errors . JLinkException ( res ) return None
Sets the size of the buffer used by the J - Link to collect SWO data .
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def swo_supported_speeds ( self , cpu_speed , num_speeds = 3 ) : buf_size = num_speeds buf = ( ctypes . c_uint32 * buf_size ) ( ) res = self . _dll . JLINKARM_SWO_GetCompatibleSpeeds ( cpu_speed , 0 , buf , buf_size ) if res < 0 : raise errors . JLinkException ( res ) return list ( buf ) [ : res ]
Retrives a list of SWO speeds supported by both the target and the connected J - Link .
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def swo_read ( self , offset , num_bytes , remove = False ) : buf_size = ctypes . c_uint32 ( num_bytes ) buf = ( ctypes . c_uint8 * num_bytes ) ( 0 ) self . _dll . JLINKARM_SWO_Read ( buf , offset , ctypes . byref ( buf_size ) ) buf_size = buf_size . value if remove : self . swo_flush ( buf_size ) return list ( buf ) [...
Reads data from the SWO buffer .
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def swo_read_stimulus ( self , port , num_bytes ) : if port < 0 or port > 31 : raise ValueError ( 'Invalid port number: %s' % port ) buf_size = num_bytes buf = ( ctypes . c_uint8 * buf_size ) ( ) bytes_read = self . _dll . JLINKARM_SWO_ReadStimulus ( port , buf , buf_size ) return list ( buf ) [ : bytes_read ]
Reads the printable data via SWO .
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def rtt_read ( self , buffer_index , num_bytes ) : buf = ( ctypes . c_ubyte * num_bytes ) ( ) bytes_read = self . _dll . JLINK_RTTERMINAL_Read ( buffer_index , buf , num_bytes ) if bytes_read < 0 : raise errors . JLinkRTTException ( bytes_read ) return list ( buf ) [ : bytes_read ]
Reads data from the RTT buffer .
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def rtt_write ( self , buffer_index , data ) : buf_size = len ( data ) buf = ( ctypes . c_ubyte * buf_size ) ( * bytearray ( data ) ) bytes_written = self . _dll . JLINK_RTTERMINAL_Write ( buffer_index , buf , buf_size ) if bytes_written < 0 : raise errors . JLinkRTTException ( bytes_written ) return bytes_written
Writes data to the RTT buffer .
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def rtt_control ( self , command , config ) : config_byref = ctypes . byref ( config ) if config is not None else None res = self . _dll . JLINK_RTTERMINAL_Control ( command , config_byref ) if res < 0 : raise errors . JLinkRTTException ( res ) return res
Issues an RTT Control command .
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def main ( target_device ) : jlink = pylink . JLink ( ) print ( "connecting to JLink..." ) jlink . open ( ) print ( "connecting to %s..." % target_device ) jlink . set_tif ( pylink . enums . JLinkInterfaces . SWD ) jlink . connect ( target_device ) print ( "connected, starting RTT..." ) jlink . rtt_start ( ) while True...
Creates an interactive terminal to the target via RTT .
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def run ( self ) : target = getattr ( self , '_Thread__target' , getattr ( self , '_target' , None ) ) args = getattr ( self , '_Thread__args' , getattr ( self , '_args' , None ) ) kwargs = getattr ( self , '_Thread__kwargs' , getattr ( self , '_kwargs' , None ) ) if target is not None : self . _return = target ( * arg...
Runs the thread .
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def join ( self , * args , ** kwargs ) : super ( ThreadReturn , self ) . join ( * args , ** kwargs ) return self . _return
Joins the thread .
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def main ( ) : windows_libraries = list ( pylink . Library . find_library_windows ( ) ) latest_library = None for lib in windows_libraries : if os . path . dirname ( lib ) . endswith ( 'JLinkARM' ) : latest_library = lib break elif latest_library is None : latest_library = lib elif os . path . dirname ( lib ) > os . pa...
Upgrades the firmware of the J - Links connected to a Windows device .
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def async_decorator ( func ) : @ functools . wraps ( func ) def async_wrapper ( * args , ** kwargs ) : if 'callback' not in kwargs or not kwargs [ 'callback' ] : return func ( * args , ** kwargs ) callback = kwargs . pop ( 'callback' ) if not callable ( callback ) : raise TypeError ( 'Expected \'callback\' is not calla...
Asynchronous function decorator . Interprets the function as being asynchronous so returns a function that will handle calling the Function asynchronously .
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def strace ( device , trace_address , breakpoint_address ) : jlink = pylink . JLink ( ) jlink . open ( ) jlink . power_on ( ) jlink . set_tif ( pylink . JLinkInterfaces . SWD ) jlink . connect ( device ) jlink . reset ( ) jlink . breakpoint_clear_all ( ) op = pylink . JLinkStraceOperation . TRACE_START jlink . strace_c...
Implements simple trace using the STrace API .
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def create_parser ( ) : parser = argparse . ArgumentParser ( prog = pylink . __title__ , description = pylink . __description__ , epilog = pylink . __copyright__ ) parser . add_argument ( '--version' , action = 'version' , version = '%(prog)s ' + pylink . __version__ ) parser . add_argument ( '-v' , '--verbose' , actio...
Builds the command parser .
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def main ( args = None ) : if args is None : args = sys . argv [ 1 : ] parser = create_parser ( ) args = parser . parse_args ( args ) if args . verbose >= 2 : level = logging . DEBUG elif args . verbose >= 1 : level = logging . INFO else : level = logging . WARNING logging . basicConfig ( level = level ) try : args . c...
Main command - line interface entrypoint .
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def create_jlink ( self , args ) : jlink = pylink . JLink ( ) jlink . open ( args . serial_no , args . ip_addr ) if hasattr ( args , 'tif' ) and args . tif is not None : if args . tif . lower ( ) == 'swd' : jlink . set_tif ( pylink . JLinkInterfaces . SWD ) else : jlink . set_tif ( pylink . JLinkInterfaces . JTAG ) if ...
Creates an instance of a J - Link from the given arguments .
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def add_common_arguments ( self , parser , has_device = False ) : if has_device : parser . add_argument ( '-t' , '--tif' , required = True , type = str . lower , choices = [ 'jtag' , 'swd' ] , help = 'target interface (JTAG | SWD)' ) parser . add_argument ( '-d' , '--device' , required = True , help = 'specify the targ...
Adds common arguments to the given parser .
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def run ( self , args ) : jlink = self . create_jlink ( args ) erased = jlink . erase ( ) print ( 'Bytes Erased: %d' % erased )
Erases the device connected to the J - Link .
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def run ( self , args ) : kwargs = { } kwargs [ 'path' ] = args . file [ 0 ] kwargs [ 'addr' ] = args . addr kwargs [ 'on_progress' ] = pylink . util . flash_progress_callback jlink = self . create_jlink ( args ) _ = jlink . flash_file ( ** kwargs ) print ( 'Flashed device successfully.' )
Flashes the device connected to the J - Link .
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def add_arguments ( self , parser ) : parser . add_argument ( 'name' , nargs = 1 , choices = [ 'kinetis' ] , help = 'name of MCU to unlock' ) return self . add_common_arguments ( parser , True )
Adds the unlock command arguments to the parser .
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def run ( self , args ) : jlink = self . create_jlink ( args ) mcu = args . name [ 0 ] . lower ( ) if pylink . unlock ( jlink , mcu ) : print ( 'Successfully unlocked device!' ) else : print ( 'Failed to unlock device!' )
Unlocks the target device .
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def run ( self , args ) : jlink = self . create_jlink ( args ) if args . list : print ( 'Built-in Licenses: %s' % ', ' . join ( jlink . licenses . split ( ',' ) ) ) print ( 'Custom Licenses: %s' % ', ' . join ( jlink . custom_licenses . split ( ',' ) ) ) elif args . add is not None : if jlink . add_license ( args . add...
Runs the license command .
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def add_arguments ( self , parser ) : parser . add_argument ( '-p' , '--product' , action = 'store_true' , help = 'print the production information' ) parser . add_argument ( '-j' , '--jtag' , action = 'store_true' , help = 'print the JTAG pin status' ) return self . add_common_arguments ( parser , False )
Adds the information commands to the parser .
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def run ( self , args ) : jlink = self . create_jlink ( args ) if args . product : print ( 'Product: %s' % jlink . product_name ) manufacturer = 'SEGGER' if jlink . oem is None else jlink . oem print ( 'Manufacturer: %s' % manufacturer ) print ( 'Hardware Version: %s' % jlink . hardware_version ) print ( 'Firmware: %s'...
Runs the information command .
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def add_arguments ( self , parser ) : group = parser . add_mutually_exclusive_group ( required = True ) group . add_argument ( '-l' , '--list' , nargs = '?' , type = str . lower , default = '_' , choices = [ 'usb' , 'ip' ] , help = 'list all the connected emulators' ) group . add_argument ( '-s' , '--supported' , nargs...
Adds the arguments for the emulator command .
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def run ( self , args ) : jlink = pylink . JLink ( ) if args . test : if jlink . test ( ) : print ( 'Self-test succeeded.' ) else : print ( 'Self-test failed.' ) elif args . list is None or args . list in [ 'usb' , 'ip' ] : host = pylink . JLinkHost . USB_OR_IP if args . list == 'usb' : host = pylink . JLinkHost . USB ...
Runs the emulator command .
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def add_arguments ( self , parser ) : group = parser . add_mutually_exclusive_group ( required = True ) group . add_argument ( '-d' , '--downgrade' , action = 'store_true' , help = 'downgrade the J-Link firmware' ) group . add_argument ( '-u' , '--upgrade' , action = 'store_true' , help = 'upgrade the J-Link firmware' ...
Adds the arguments for the firmware command .
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def run ( self , args ) : jlink = self . create_jlink ( args ) if args . downgrade : if not jlink . firmware_newer ( ) : print ( 'DLL firmware is not older than J-Link firmware.' ) else : jlink . invalidate_firmware ( ) try : jlink . update_firmware ( ) except pylink . JLinkException as e : jlink = self . create_jlink ...
Runs the firmware command .
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def name ( self ) : return ctypes . cast ( self . sName , ctypes . c_char_p ) . value . decode ( )
Returns the name of the device .
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def manufacturer ( self ) : buf = ctypes . cast ( self . sManu , ctypes . c_char_p ) . value return buf . decode ( ) if buf else None
Returns the name of the manufacturer of the device .
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def software_breakpoint ( self ) : software_types = [ enums . JLinkBreakpoint . SW_RAM , enums . JLinkBreakpoint . SW_FLASH , enums . JLinkBreakpoint . SW ] return any ( self . Type & stype for stype in software_types )
Returns whether this is a software breakpoint .
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def find_library_windows ( cls ) : dll = cls . get_appropriate_windows_sdk_name ( ) + '.dll' root = 'C:\\' for d in os . listdir ( root ) : dir_path = os . path . join ( root , d ) if d . startswith ( 'Program Files' ) and os . path . isdir ( dir_path ) : dir_path = os . path . join ( dir_path , 'SEGGER' ) if not os . ...
Loads the SEGGER DLL from the windows installation directory .
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def find_library_linux ( cls ) : dll = Library . JLINK_SDK_NAME root = os . path . join ( '/' , 'opt' , 'SEGGER' ) for ( directory_name , subdirs , files ) in os . walk ( root ) : fnames = [ ] x86_found = False for f in files : path = os . path . join ( directory_name , f ) if os . path . isfile ( path ) and f . starts...
Loads the SEGGER DLL from the root directory .
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def find_library_darwin ( cls ) : dll = Library . JLINK_SDK_NAME root = os . path . join ( '/' , 'Applications' , 'SEGGER' ) if not os . path . isdir ( root ) : return for d in os . listdir ( root ) : dir_path = os . path . join ( root , d ) if os . path . isdir ( dir_path ) and d . startswith ( 'JLink' ) : files = lis...
Loads the SEGGER DLL from the installed applications .
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def load_default ( self ) : path = ctypes_util . find_library ( self . _sdk ) if path is None : if self . _windows or self . _cygwin : path = next ( self . find_library_windows ( ) , None ) elif sys . platform . startswith ( 'linux' ) : path = next ( self . find_library_linux ( ) , None ) elif sys . platform . startswi...
Loads the default J - Link SDK DLL .
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def load ( self , path = None ) : self . unload ( ) self . _path = path or self . _path if self . _windows or self . _cygwin : suffix = '.dll' elif sys . platform . startswith ( 'darwin' ) : suffix = '.dylib' else : suffix = '.so' tf = tempfile . NamedTemporaryFile ( delete = False , suffix = suffix ) with open ( tf . ...
Loads the specified DLL if any otherwise re - loads the current DLL .
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def unload ( self ) : unloaded = False if self . _lib is not None : if self . _winlib is not None : ctypes . windll . kernel32 . FreeLibrary . argtypes = ( ctypes . c_void_p , ) ctypes . windll . kernel32 . FreeLibrary ( self . _lib . _handle ) ctypes . windll . kernel32 . FreeLibrary ( self . _winlib . _handle ) self ...
Unloads the library s DLL if it has been loaded .
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def _open ( filename = None , mode = 'r' ) : if not filename or filename == '-' : if not mode or 'r' in mode : file = sys . stdin elif 'w' in mode : file = sys . stdout else : raise ValueError ( 'Invalid mode for file: {}' . format ( mode ) ) else : file = open ( filename , mode ) try : yield file finally : if file not...
Open a file or sys . stdout depending on the provided filename .
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def get_pkg_names ( pkgs ) : result = set ( ) with open ( join ( "mapping" ) , "r" ) as f : data = dict ( x . strip ( ) . split ( ":" ) for x in f ) for pkg in pkgs : result . add ( data . get ( pkg , pkg ) ) return sorted ( result , key = lambda s : s . lower ( ) )
Get PyPI package names from a list of imports .
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def charmap ( prefixed_name ) : prefix , name = prefixed_name . split ( '.' ) return _instance ( ) . charmap [ prefix ] [ name ]
Return the character map used for a given font .
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def set_global_defaults ( ** kwargs ) : valid_options = [ 'active' , 'selected' , 'disabled' , 'on' , 'off' , 'on_active' , 'on_selected' , 'on_disabled' , 'off_active' , 'off_selected' , 'off_disabled' , 'color' , 'color_on' , 'color_off' , 'color_active' , 'color_selected' , 'color_disabled' , 'color_on_selected' , '...
Set global defaults for the options passed to the icon painter .
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def paint ( self , iconic , painter , rect , mode , state , options ) : for opt in options : self . _paint_icon ( iconic , painter , rect , mode , state , opt )
Main paint method .
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def _paint_icon ( self , iconic , painter , rect , mode , state , options ) : painter . save ( ) color = options [ 'color' ] char = options [ 'char' ] color_options = { QIcon . On : { QIcon . Normal : ( options [ 'color_on' ] , options [ 'on' ] ) , QIcon . Disabled : ( options [ 'color_on_disabled' ] , options [ 'on_di...
Paint a single icon .
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def icon ( self , * names , ** kwargs ) : cache_key = '{}{}' . format ( names , kwargs ) if cache_key not in self . icon_cache : options_list = kwargs . pop ( 'options' , [ { } ] * len ( names ) ) general_options = kwargs if len ( options_list ) != len ( names ) : error = '"options" must be a list of size {0}' . format...
Return a QIcon object corresponding to the provided icon name .
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def font ( self , prefix , size ) : font = QFont ( self . fontname [ prefix ] ) font . setPixelSize ( size ) if prefix [ - 1 ] == 's' : font . setStyleName ( 'Solid' ) return font
Return a QFont corresponding to the given prefix and size .
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def _custom_icon ( self , name , ** kwargs ) : options = dict ( _default_options , ** kwargs ) if name in self . painters : painter = self . painters [ name ] return self . _icon_by_painter ( painter , options ) else : return QIcon ( )
Return the custom icon corresponding to the given name .
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def _icon_by_painter ( self , painter , options ) : engine = CharIconEngine ( self , painter , options ) return QIcon ( engine )
Return the icon corresponding to the given painter .
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def finalize_options ( self ) : assert bool ( self . fa_version ) , 'FA version is mandatory for this command.' if self . zip_path : assert os . path . exists ( self . zip_path ) , ( 'Local zipfile does not exist: %s' % self . zip_path )
Validate the command options .
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def __print ( self , msg ) : self . announce ( msg , level = distutils . log . INFO )
Shortcut for printing with the distutils logger .
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def __zip_file ( self ) : if self . zip_path : self . __print ( 'Opening local zipfile: %s' % self . zip_path ) return open ( self . zip_path , 'rb' ) url = self . __release_url self . __print ( 'Downloading from URL: %s' % url ) response = urlopen ( url ) return io . BytesIO ( response . read ( ) )
Get a file object of the FA zip file .
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def __zipped_files_data ( self ) : files = { } with zipfile . ZipFile ( self . __zip_file ) as thezip : for zipinfo in thezip . infolist ( ) : if zipinfo . filename . endswith ( 'metadata/icons.json' ) : with thezip . open ( zipinfo ) as compressed_file : files [ 'icons.json' ] = compressed_file . read ( ) elif zipinfo...
Get a dict of all files of interest from the FA release zipfile .
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def from_string ( proto_str ) : _ , proto_file = tempfile . mkstemp ( suffix = '.proto' ) with open ( proto_file , 'w+' ) as proto_f : proto_f . write ( proto_str ) return from_file ( proto_file )
Produce a Protobuf module from a string description . Return the module if successfully compiled otherwise raise a BadProtobuf exception .
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def _load_module ( path ) : 'Helper to load a Python file at path and return as a module' module_name = os . path . splitext ( os . path . basename ( path ) ) [ 0 ] module = None if sys . version_info . minor < 5 : loader = importlib . machinery . SourceFileLoader ( module_name , path ) module = loader . load_module ( ...
Helper to load a Python file at path and return as a module
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def _compile_proto ( full_path , dest ) : 'Helper to compile protobuf files' proto_path = os . path . dirname ( full_path ) protoc_args = [ find_protoc ( ) , '--python_out={}' . format ( dest ) , '--proto_path={}' . format ( proto_path ) , full_path ] proc = subprocess . Popen ( protoc_args , stdout = subprocess . PIPE...
Helper to compile protobuf files
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def from_file ( proto_file ) : if not proto_file . endswith ( '.proto' ) : raise BadProtobuf ( ) dest = tempfile . mkdtemp ( ) full_path = os . path . abspath ( proto_file ) _compile_proto ( full_path , dest ) filename = os . path . split ( full_path ) [ - 1 ] name = re . search ( r'^(.*)\.proto$' , filename ) . group ...
Take a filename |protoc_file| compile it via the Protobuf compiler and import the module . Return the module if successfully compiled otherwise raise either a ProtocNotFound or BadProtobuf exception .
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def types_from_module ( pb_module ) : types = pb_module . DESCRIPTOR . message_types_by_name return [ getattr ( pb_module , name ) for name in types ]
Return protobuf class types from an imported generated module .
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def _resolve_child ( self , path ) : 'Return a member generator by a dot-delimited path' obj = self for component in path . split ( '.' ) : ptr = obj if not isinstance ( ptr , Permuter ) : raise self . MessageNotFound ( "Bad element path [wrong type]" ) found_gen = ( _ for _ in ptr . _generators if _ . name ( ) == comp...
Return a member generator by a dot - delimited path
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def make_dependent ( self , source , target , action ) : if not self . _generators : return src_permuter , src = self . _resolve_child ( source ) dest = self . _resolve_child ( target ) [ 1 ] container = src_permuter . _generators idx = container . index ( src ) container [ idx ] = DependentValueGenerator ( src . name ...
Create a dependency between path source and path target via the callable action .
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def get ( self ) : 'Retrieve the most recent value generated' return tuple ( [ ( x . name ( ) , x . get ( ) ) for x in self . _generators ] )
Retrieve the most recent value generated
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def _fuzzdb_integers ( limit = 0 ) : 'Helper to grab some integers from fuzzdb' path = os . path . join ( BASE_PATH , 'integer-overflow/integer-overflows.txt' ) stream = _open_fuzzdb_file ( path ) for line in _limit_helper ( stream , limit ) : yield int ( line . decode ( 'utf-8' ) , 0 )
Helper to grab some integers from fuzzdb
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def _fuzzdb_get_strings ( max_len = 0 ) : 'Helper to get all the strings from fuzzdb' ignored = [ 'integer-overflow' ] for subdir in pkg_resources . resource_listdir ( 'protofuzz' , BASE_PATH ) : if subdir in ignored : continue path = '{}/{}' . format ( BASE_PATH , subdir ) listing = pkg_resources . resource_listdir ( ...
Helper to get all the strings from fuzzdb
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def get_integers ( bitwidth , unsigned , limit = 0 ) : if unsigned : start , stop = 0 , ( ( 1 << bitwidth ) - 1 ) else : start , stop = ( - ( 1 << bitwidth - 1 ) ) , ( 1 << ( bitwidth - 1 ) - 1 ) for num in _fuzzdb_integers ( limit ) : if num >= start and num <= stop : yield num
Get integers from fuzzdb database
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def get_floats ( bitwidth , limit = 0 ) : assert bitwidth in ( 32 , 64 , 80 ) values = [ 0.0 , - 1.0 , 1.0 , - 1231231231231.0123 , 123123123123123.123 ] for val in _limit_helper ( values , limit ) : yield val
Return a number of interesting floating point values
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def _int_generator ( descriptor , bitwidth , unsigned ) : 'Helper to create a basic integer value generator' vals = list ( values . get_integers ( bitwidth , unsigned ) ) return gen . IterValueGenerator ( descriptor . name , vals )
Helper to create a basic integer value generator
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def _string_generator ( descriptor , max_length = 0 , limit = 0 ) : 'Helper to create a string generator' vals = list ( values . get_strings ( max_length , limit ) ) return gen . IterValueGenerator ( descriptor . name , vals )
Helper to create a string generator
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def _float_generator ( descriptor , bitwidth ) : 'Helper to create floating point values' return gen . IterValueGenerator ( descriptor . name , values . get_floats ( bitwidth ) )
Helper to create floating point values
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def _enum_generator ( descriptor ) : 'Helper to create protobuf enums' vals = descriptor . enum_type . values_by_number . keys ( ) return gen . IterValueGenerator ( descriptor . name , vals )
Helper to create protobuf enums
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def _prototype_to_generator ( descriptor , cls ) : 'Helper to map a descriptor to a protofuzz generator' _fd = D . FieldDescriptor generator = None ints32 = [ _fd . TYPE_INT32 , _fd . TYPE_UINT32 , _fd . TYPE_FIXED32 , _fd . TYPE_SFIXED32 , _fd . TYPE_SINT32 ] ints64 = [ _fd . TYPE_INT64 , _fd . TYPE_UINT64 , _fd . TYP...
Helper to map a descriptor to a protofuzz generator
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def descriptor_to_generator ( cls_descriptor , cls , limit = 0 ) : 'Convert a protobuf descriptor to a protofuzz generator for same type' generators = [ ] for descriptor in cls_descriptor . fields_by_name . values ( ) : generator = _prototype_to_generator ( descriptor , cls ) if limit != 0 : generator . set_limit ( lim...
Convert a protobuf descriptor to a protofuzz generator for same type
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def _assign_to_field ( obj , name , val ) : 'Helper to assign an arbitrary value to a protobuf field' target = getattr ( obj , name ) if isinstance ( target , containers . RepeatedScalarFieldContainer ) : target . append ( val ) elif isinstance ( target , containers . RepeatedCompositeFieldContainer ) : target = target...
Helper to assign an arbitrary value to a protobuf field
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def _fields_to_object ( descriptor , fields ) : 'Helper to convert a descriptor and a set of fields to a Protobuf instance' obj = descriptor . _concrete_class ( ) for name , value in fields : if isinstance ( value , tuple ) : subtype = descriptor . fields_by_name [ name ] . message_type value = _fields_to_object ( subt...
Helper to convert a descriptor and a set of fields to a Protobuf instance
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def _module_to_generators ( pb_module ) : if not pb_module : return None message_types = pb_module . DESCRIPTOR . message_types_by_name return { k : ProtobufGenerator ( v ) for k , v in message_types . items ( ) }
Convert a protobuf module to a dict of generators .
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def add_dependency ( self , source , target , action ) : self . _dependencies . append ( ( source , target , action ) )
Create a dependency between fields source and target via callable action .
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def print_report ( self ) : report = compare_report_print ( self . sorted , self . scores , self . best_name ) print ( report )
Print Compare report .
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def F_calc ( TP , FP , FN , beta ) : try : result = ( ( 1 + ( beta ) ** 2 ) * TP ) / ( ( 1 + ( beta ) ** 2 ) * TP + FP + ( beta ** 2 ) * FN ) return result except ZeroDivisionError : return "None"
Calculate F - score .
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def G_calc ( item1 , item2 ) : try : result = math . sqrt ( item1 * item2 ) return result except Exception : return "None"
Calculate G - measure & G - mean .
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def RACC_calc ( TOP , P , POP ) : try : result = ( TOP * P ) / ( ( POP ) ** 2 ) return result except Exception : return "None"
Calculate random accuracy .
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def CEN_misclassification_calc ( table , TOP , P , i , j , subject_class , modified = False ) : try : result = TOP + P if modified : result -= table [ subject_class ] [ subject_class ] result = table [ i ] [ j ] / result return result except Exception : return "None"
Calculate misclassification probability of classifying .
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def html_init ( name ) : result = "" result += "<html>\n" result += "<head>\n" result += "<title>" + str ( name ) + "</title>\n" result += "</head>\n" result += "<body>\n" result += '<h1 style="border-bottom:1px solid ' 'black;text-align:center;">PyCM Report</h1>' return result
Return HTML report file first lines .