pySerial changelog

Changelog History

Page 1

• v3.5 Changes

  November 23, 2020

  🆕 New Features:

  • [#354] Make ListPortInfo hashable
  • [#411] Add a backend for Silicon Labs CP2110/4 HID-to-UART bridge. (depends on hid module)

  👌 Improvements:

  • [#315] Use absolute import everywhere
  • 🏁 [#351] win32: miniterm Working CMD.exe terminal using Windows 10 ANSI support
  • [#372] threaded: "write" returns byte count
  • [#400] Add bytesize and stopbits argument parser to tcp_serial_redirect
  • [#408] loop: add out_waiting
  • 🚚 [#500] Remove Python 3.2 and 3.3 from test
  • ⚡️ doc updates [#261, #296, #320, #333, #285, #356, #358, #342, #397, #389, #510]

  🛠 Bugfixes:

  • [#371] Don't open port if self.port is not set while entering context manager
  • 🔨 [#437, #502] refactor: raise new instances for PortNotOpenError and SerialTimeoutException
  • 0️⃣ [#261, #263] list_ports: set default name attribute
  • [#286] fix: compare only of the same type in list_ports_common.ListPortInfo
  • rfc2217/close(): fix race-condition
  • [#305] return b'' when connection closes on rfc2217 connection
  • [#386] rfc2217/close(): fix race condition
  • Fixed flush_input_buffer() for situations where the remote end has closed the socket.
  • [#441] reset_input_buffer() can hang on sockets
  • 🛠 examples: port_publisher python 3 fixes
  • [#324] miniterm: Fix miniterm constructor exit_character and menu_character
  • 0️⃣ [#326] miniterm: use exclusive access for native serial ports by default
  • [#497] miniterm: fix double use of CTRL-T + s use z for suspend instead
  • 🔨 [#443, #444] examples: refactor wx example, use Bind to avoid deprecated warnings, IsChecked, unichr

  🛠 Bugfixes (posix):

  • ⏱ [#265] posix: fix PosixPollSerial with timeout=None and add cancel support
  • 🐧 [#290] option for low latency mode on linux
  • 👍 [#335] Add support to xr-usb-serial ports
  • [#494] posix: Don't catch the SerialException we just raised
  • 🐧 [#519] posix: Fix custom baud rate to not temporarily set 38400 baud rates on linux

  🛠 Bugfixes (win32):

  • [#481] win32: extend RS485 error messages
  • [#303] win32: do not check for links in serial.tools.list_ports
  • [#430] Add WaitCommEvent function to win32
  • [#314, #433] tools/list_ports_windows: Scan both 'Ports' and 'Modem' device classes
  • 👍 [#414] Serial number support for composite USB devices
  • ➕ Added recursive search for device USB serial number to support composite devices

  🛠 Bugfixes (MacOS):

  • 🍎 [#364] MacOS: rework list_ports to support unicode product descriptors.
  • ⚡️ [#367] Mac and bsd fix _update_break_state

• v3.5.b0 Changes

  September 21, 2020

  🆕 New Features:

  • [#411] Add a backend for Silicon Labs CP2110/4 HID-to-UART bridge. (depends on hid module)

  👌 Improvements:

  • [#315] Use absolute import everywhere
  • 🏁 [#351] win32: miniterm Working CMD.exe terminal using Windows 10 ANSI support
  • [#354] Make ListPortInfo hashable
  • [#372] threaded: "write" returns byte count
  • [#400] Add bytesize and stopbits argument parser to tcp_serial_redirect
  • [#408] loop: add out_waiting
  • [#495] list_ports_linux: Correct "interface" property on Linux hosts
  • 🚚 [#500] Remove Python 3.2 and 3.3 from test
  • ⚡️ [#261, #285, #296, #320, #333, #342, #356, #358, #389, #397, #510] doc updates
  • miniterm: add :kbd:CTRL+T Q as alternative to exit
  • miniterm: suspend function key changed to :kbd:CTRL-T Z
  • ➕ add command line tool entries pyserial-miniterm (replaces miniterm.py) and pyserial-ports (runs serial.tools.list_ports).
  • 🖨 python -m serial opens miniterm (use w/o args and it will print port list too) [experimental]

  🛠 Bugfixes:

  • [#371] Don't open port if self.port is not set while entering context manager
  • 🔨 [#437, #502] refactor: raise new instances for PortNotOpenError and SerialTimeoutException
  • 0️⃣ [#261, #263] list_ports: set default name attribute
  • [#286] fix: compare only of the same type in list_ports_common.ListPortInfo
  • rfc2217/close(): fix race-condition
  • [#305] return b'' when connection closes on rfc2217 connection
  • [#386] rfc2217/close(): fix race condition
  • Fixed flush_input_buffer() for situations where the remote end has closed the socket.
  • [#441] reset_input_buffer() can hang on sockets
  • 🛠 examples: port_publisher python 3 fixes
  • [#324] miniterm: Fix miniterm constructor exit_character and menu_character
  • 0️⃣ [#326] miniterm: use exclusive access for native serial ports by default
  • [#497] miniterm: fix double use of CTRL-T + s use z for suspend instead
  • 🔨 [#443, #444] examples: refactor wx example, use Bind to avoid deprecated warnings, IsChecked, unichr

  🛠 Bugfixes (posix):

  • ⏱ [#265] posix: fix PosixPollSerial with timeout=None and add cancel support
  • 🐧 [#290] option for low latency mode on linux
  • 👍 [#335] Add support to xr-usb-serial ports
  • [#494] posix: Don't catch the SerialException we just raised
  • 🐧 [#519] posix: Fix custom baud rate to not temporarily set 38400 baud rates on linux
  • [#509 #518] list_ports: use hardcoded path to library on osx

  🛠 Bugfixes (win32):

  • [#481] win32: extend RS485 error messages
  • [#303] win32: do not check for links in serial.tools.list_ports
  • [#430] Add WaitCommEvent function to win32
  • [#314, #433] tools/list_ports_windows: Scan both 'Ports' and 'Modem' device classes
  • 👍 [#414] Serial number support for composite USB devices
  • ➕ Added recursive search for device USB serial number to support composite devices

  🛠 Bugfixes (MacOS):

  • 🍎 [#364] MacOS: rework list_ports to support unicode product descriptors.
  • ⚡️ [#367] Mac and bsd fix _update_break_state

• v3.4 Changes

  July 22, 2017

  👌 Improvements:

  • 🚀 miniterm: suspend function (temporarily release port, :kbd:Ctrl-T s)
  • [#240] context manager automatically opens port on __enter__
  • [#141] list_ports: add interface number to location string
  • [#225] protocol_socket: Retry if BlockingIOError occurs in reset_input_buffer.

  🛠 Bugfixes:

  • [#153] list_ports: option to include symlinked devices
  • ↪ [#237] list_ports: workaround for special characters in port names

  🛠 Bugfixes (posix):

  • 👍 allow calling cancel functions w/o error if port is closed
  • 🔀 [#220] protocol_socket: sync error handling with posix version
  • ⏱ [#227] posix: ignore more blocking errors and EINTR, timeout only applies to blocking I/O
  • [#228] fix: port_publisher typo

• v3.3 Changes

  March 08, 2017

  👌 Improvements:

  • [#206] Exclusive access on POSIX. exclusive flag added.
  • [#172] list_ports_windows: list_ports with 'manufacturer' info property
  • [#174] miniterm: change cancel impl. for console
  • ⏱ [#182] serialutil: add overall timeout for read_until
  • ⏱ socket: use non-blocking socket and new Timeout class
  • socket: implement a functional a reset_input_buffer
  • ⏱ rfc2217: improve read timeout implementation
  • 👻 win32: include error message from system in ClearCommError exception
  • 📄 and a few minor changes, docs

  🛠 Bugfixes:

  • [#183] rfc2217: Fix broken calls to to_bytes on Python3.
  • [#188] rfc2217: fix auto-open use case when port is given as parameter

  🛠 Bugfixes (posix):

  • [#178] in read, count length of converted data
  • [#189] fix return value of write

  🛠 Bugfixes (win32):

  • [#194] spurious write fails with ERROR_SUCCESS

• v3.2.1 Changes

  October 14, 2016

  👌 Improvements:

  • ✂ remove serial.aio in favor of separate package, pyserial-asyncio
  • add client mode to example tcp_serial_redirect.py
  • 👉 use of monotonic clock for timeouts, when available (Python 3.3 and up)
  • 👍 [#169] arbitrary baud rate support for BSD family
  • 👌 improve tests, improve loop://

  🛠 Bugfixes:

  • 👻 [#137] Exception while cancel in miniterm (python3)
  • [#143] Class Serial in protocol_loop.py references variable before assigning to it
  • [#149] Python 3 fix for threaded.FramedPacket

  🛠 Bugfixes (posix):

  • ⚡️ [#133] _update_dtr_state throws Inappropriate ioctl for virtual serial port created by socat on OS X
  • [#157] Broken handling of CMSPAR in serialposix.py

  🛠 Bugfixes (win32):

  • [#144] Use Unicode API for list_ports
  • [#145] list_ports_windows: support devices with only VID
  • 🏁 [#162] Write in non-blocking mode returns incorrect value on windows

• v3.2.0 Changes

  October 14, 2016

  👀 See 3.2.1, this one missed a merge request related to removing aio.

• v3.1.1 Changes

  June 12, 2016

  👌 Improvements:

  • 🗄 deprecate nonblocking() method on posix, the port is already in this mode.
  • 💅 style: use .format() in various places instead of "%" formatting

  🛠 Bugfixes:

  • [#122] fix bug in FramedPacket
  • [#127] The Serial class in the .NET/Mono (IronPython) backend does not implement the _reconfigure_port method
  • [#123, #128] Avoid Python 3 syntax in aio module

  🛠 Bugfixes (posix):

  • [#126] PATCH: Check delay_before_tx/rx for None in serialposix.py
  • posix: retry if interrupted in Serial.read

  🛠 Bugfixes (win32):

  • 🛠 win32: handle errors of GetOverlappedResult in read(), fixes #121

• v3.1.0 Changes

  May 27, 2016

  👌 Improvements:

  • 👌 improve error handling in alt:// handler
  • ⏱ socket:// internally used select, improves timeout behavior
  • 🎉 initial state of RTS/DTR: ignore error when setting on open posix (support connecting to pty's)
  • 💅 code style updates
  • posix: remove "number_to_device" which is not called anymore
  • add cancel_read and cancel_write to win32 and posix implementations

  🛠 Bugfixes:

  • [#68] aio: catch errors and close connection
  • ⚡️ [#87] hexlify: update codec for Python 2
  • [#100] setPort not implemented
  • [#101] bug in serial.threaded.Packetizer with easy fix
  • ⏱ [#104] rfc2217 and socket: set timeout in create_connection
  • [#107] miniterm.py fails to exit on failed serial port

  🛠 Bugfixes (posix):

  • 🛠 [#59] fixes for RTS/DTR handling on open
  • [#77] list_ports_osx: add missing import
  • [#85] serialposix.py _set_rs485_mode() tries to read non-existing rs485_settings.delay_rts_before_send
  • [#96] patch: native RS485 is never enabled

  🛠 Bugfixes (win32):

  • fix bad super call and duplicate old-style init call
  • 🐧 [#80] list_ports: Compatibility issue between Windows/Linux

• v3.0.1 Changes

  January 11, 2016

  🔄 Changes since V3.0:

  • Serial keyword arguments, more on backward compatibility, fix #55
  • list_ports: return name if product is None, fix for #54
  • ⏪ port_publisher: restore some sorting of ports
  • special case for FDTIBUS in list_ports on win32

  👀 See changes for more details.

• v3.0 Changes

  December 28, 2015

  🔄 Changes since V2.7:

  • 👍 one code base for Python 2.7 and 3.2+ (support for older Python versions is dropped)
  • 🆕 new API (old one is still available for backwards compatibility)
  • 🆕 new URL handlers spy:// and alt://, improvements to rfc2217:// and socket:// (bugfixes, IPv6)
  • URL parameter format has been changed
  • experimental convenience APIs for threading and asyncio (the later only under Posix)
  • ⚡️ updated miniterm: changed handling of bytes/Unicode/encoding
  • 🛠 a number of bugfixes

  🔄 Changes since V3.0b1:

  • 🛠 minor fixes, hwgrep:// now has options
  • 🛠 tcsetattr bugfix for Posix

  👀 See changes for more details.

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