v0.6.4

This version of the Python STTP API has an operational subscriber API that uses standard (compact) and TSSC (compressed) measurement encoding.

• Simple Subscribe Sample
• Advanced Subscribe Sample uses optional UDP data channel
• Consumer Subscriber API
• Automatic Metadata XML Parsing into usable DataSet
• ANTLR-based Filter Expression Parsing using STTP grammar

Release Available from PyPi:

https://pypi.org/project/sttpapi/

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Updates and fixes since version 0.6.0

• Updated to ANTLR 4.13.1
• Bug fixes and updates to accommodate newer Python / NumPy versions and conversion of np.uint32 to int for proper IntFlag interpretation:
  See changes since last version

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This update implements ANTLR-based Filter Expression Parsing using STTP grammar

This update also includes the Time-Series Special Compression (TSSC) algorithm- applied when Config.compress_payloaddata = True, the default setting.

This update also includes metadata exposed as a pre-parsed STTP DataSet and auto populates measurement metadata records with received information.

Not working yet:

• TLS Connections
• Reverse Connections
• Data Publisher