# What's New in Hologram Python SDK ## v0.9.0 2019-10-28 Hologram * Converted SDK to use Python 3. This version is compatible with Python 3 only and drops support for Python 2. There are no changes to any features or interfaces in this release. Functionality should mirror v0.8.3 but will now run on Python 3 ## v0.8.3 2019-08-27 Hologram * New command to view IMEI: `hologram modem imei` * New command to get modem module firmware version: `hologram modem version` * Make dependencies a little more flexible to prevent some problems on some systems * Unit tests weren't properly checking some exceptions ## v0.8.2 2018-11-16 Hologram * Added new commands to control cellular radio: `hologram modem radio-off` and `hologram modem radio-on` * Added new command to restart the modem: `hologram modem reset` * Deprecated `hologram modem connect` and `hologram modem disconnect` in favor of the network versions of those commands. They'll be removed in a future release * Fix issue with auto periodic message sending taking a long time to stop when killed * Fix issue where `hologram network connect` would print that it worked even when it didn't * Fix issue where a zombie pppd process would hang around in the background after a connection failure and tie up a serial port * General code cleanup around the PPP path ## v0.8.1 2018-09-12 Hologram * Fix issues with PPP (`hologram network connect`) on Nova R410 * Fix bugs with activating SIM cards via `hologram activate` command and stop echoing out passwords ## v0.8.0 2018-07-19 Hologram * Add support for Nova R410 Cat-M modem * Drivers for R410 and R404 are loaded automatically * Revamp error handling on AT command connect so we don't keep moving the process forward if we've already failed * Fixes to the repeated message send feature ## v0.7.6 2018-04-04 Hologram * hologram receive reconnects after forced disconnect * Replace usb dependency with cross platform library ## v0.7.5 2018-02-13 Hologram * Force persistent connection for hologram spacebridge * hologram spacebridge no longer sets default route * Remove redundant manifest includes 2018-02-06 Hologram * Increase socket connect and write timeouts 2018-02-05 Hologram * Fix infinite loop in `send_message` ## v0.7.4 2018-01-08 Hologram * Just a bunch of internal tool changes. Happy New Year! :) ## v0.7.3 2018-01-04 Hologram * Just a bunch of internal tool changes. Happy New Year! :) ## v0.7.2 2017-12-18 Hologram * Removed `testAll` from Makefile. All unit tests will now run even if uid isn't root. 2017-11-30 Hologram * Refactored unit tests for Modem and MS2131 classes. 2017-12-07 Hologram * Refactored Nova <-> Nova u201 interface. 2017-12-05 Hologram * Added open source headers to SDK source files 2017-12-01 Hologram * Added `ERR_TOPICINVALID` and `ERR_METADATAINVALID` error codes to HologramCloud 2017-11-30 Hologram * converted ChangeLog into a markdown file and added release tags to it ## v0.7.1 2017-11-29 Hologram * Disregard extra responses in Modem::check_registed() * Fixed Nova R404 `.connect()` / `.disconnect()` regressions. ## v0.7.0 2017-11-20 Hologram * Added modem is_connected interface. Checks for when a message/SMS can be sent. * Cleaned up example scripts. * Fixed misleading 'unable to receive device_id and private_key error' * Fixed unkilled PPP sessin after specified timeout. * Fixed misleading error log when users call `hologram activate` * Updated requirements.txt to point to python-sdk-auth v0.2.0 * Removed TOTP Auth mode option for SMS sends * Catch NetlinkErorr if setting default route fails * Add overloaded close_socket interface for R404 listening feature * Cleaned up redundant scripts within the `examples/` folder 2017-10-24 Hologram * Added modem is_connected interface. Checks for when a message/SMS can be sent. * Cleaned up example scripts. 2017-10-23 Hologram * Added hologram network connect/disconnect CLI commands, deprecating modem connect/disconnect soon. * Writes/reads on AT command sockets are now done in hex mode. * Fix regression where a receive SMS CLI keyboard interrupt will print a stack trace. 2017-10-20 Hologram * Sends/receives are done via AT sockets by default instead of a PPP session. ## v0.6.1 2017-09-29 Hologram * Fixed bug where empty result list might cause an index error 2017-09-28 Hologram * Logging is now turned off by default for CLI subcommands. * Added -v and -vv options for INFO and DEBUG log levels respectively. ## v0.6.0 2017-09-22 Hologram * Added program install verification steps to install script. 2017-09-20 Hologram * Added hologram activate CLI subcommand. This allows developers to activate their SIM via the CLI instead of doing it on the dashboard. 2017-09-18 Hologram * Added autodetection of USB modems and serial ports associated with those modems * Fix issue where scripts might hang when trying to use a serial port with ppp attached * Remove some redundant checks and unneeded initializations that were slowing things down ## v0.5.28 2017-09-12 Hologram * Deprecated enable_inbound flag in HologramCloud constructor. * Suppress stack traces when user sends a SIGTERM while it's establishing a connection. ## v0.5.26 2017-09-01 Hologram * Fixed topic parsing in hologram_send that can cause message body to be empty. ## v0.5.25 2017-08-31 Hologram * Updated install script to include libpython2.7-dev as a require dependency. * added better error messages for unsupported operating systems/platforms. ## v0.5.23 2017-08-08 Hologram * Fixed SMS timestamp issue. (wrong offset value) 2017-07-28 Hologram * Added cellular modem id property in ISerial interface 2017-07-27 Hologram * Fixed existing PPP session check whenever a double cellular connect is called. 2017-07-26 Hologram * Made write interface public and added Serial unit tests. 2017-07-17 Hologram * Refactored Serial interfaces. * Fixed bug where AT commands made might cause the serial buffer to be in an unexpected state that hang the modem. 2017-07-10 Hologram * Renamed iota to Nova * Moved examples folder to the top level directory * Fixed false negative debug output that says a message isn't sent via OTP. 2017-06-20 Hologram * Fixed incorrect pid parser that cause PPP processes to not be detected or killed. 2017-06-16 Hologram * Fixed out of range Exception bug in modem location property. * Fixed bug in Location date property parser. 2017-06-06 Hologram * Fixed regression on custom exceptions not having a handler. 2017-06-05 Hologram * Updated requirements.txt to always use the latest python sdk auth package. * Added custom Hologram exceptions to the SDK. 2017-06-02 Hologram * Fixed Hologram Spacebridge and Heartbeat 2017-06-01 Hologram * Added better spacing for CLI help subcommand descriptions * Added default send cloud and receive data for Hologram CLI * Turned off exception stack trace when program is terminated via SIGTERM. * Better CLI messages and error handling (on CLI parameters + options). 2017-05-17 Hologram * Added receive sms feature * Added auto PPP session detection * Threaded serial output buffer in the Serial interface to listen for URC events * Deprecated hologram_* CLI commands in favor of hologram s. * Added operator, location and modem type (name) properties for cellular modems. 2017-04-18 Hologram * Deprecated cloud_id and cloud_key credentials in favor of a single devicekey. * Deprecated getSDKVersion() in favor of .version property. * Deprecated getNetworkType() in favor of .network_type property. * Deprecated mode choices in the modem interface. * Added sendPeriodicMessage() feature in CustomCloud + HologramCloud interface. * Added serial mode interface for cellular modems. * Deprecated chatScriptFile in favor of chatscript_file. Sticking to underscores for properties, camelCase for public methods/interfaces. * Added credentials property in authentication class. * Made certain properties persistent within the SDK (to minimize user errors when trying to set/change them after instantiation. 2017-04-03 Hologram * Deprecated consumeReceivedMessage() interface in favor of popReceivedMessage() * Added more CLI scripts for sending messages via an active cellular connection. * Added CLI scripts that are automatically added to your PATH via setup.py. * Renamed default chatscript and moved it to a chatscripts folder under the modem interface 2017-03-16 Hologram * Released hologram-python version 0.3.0 * Added network interfaces for the Hologram SDK. * Added cellular network support via PPP for the iota, Huawei MS2131, and E303 modems. 2017-02-14 Hologram * Released hologram-python version 0.2.0 * Refactored Cloud interfaces - They are now named Cloud, CustomCloud and HologramCloud instead of Raw and Cloud. * Added more *Cloud interface unit tests * Added inbound connection interface. * Added socket timeout flags for both inbound and outbound interfaces. * Added and optimized Hologram CLI scripts. * HologramCloud now parses Hologram specific return types and alerts the user via the logging framework. 2017-02-01 Hologram * Released hologram-python version 0.1.1 * Added sendMessage and sendSMS functionality. * Examples and unit tests.