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        "author": "Caltech IMSS ADS",
        "author_email": "imss-ads-staff@caltech.edu",
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            "Intended Audience :: Developers",
            "Intended Audience :: Science/Research",
            "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
            "Operating System :: POSIX",
            "Programming Language :: Python :: 3.6",
            "Programming Language :: Python :: 3.7",
            "Topic :: Scientific/Engineering",
            "Topic :: Software Development :: Libraries",
            "Topic :: Software Development :: Libraries :: Python Modules"
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        "description": "python-ew\n=========\n\nThis is a 2019 updating of the [PythonEw](https://github.com/osop/osop-python-ew) Python 2.x compatible modules by\n[OSOP](http://www.osop.com.pa) to work with Python 3.x\n\n`python-ew` is a Python wrapper for accessing a Earthworm shared memory rings, allowing you to extend the Earthworm\nsystem with Python code.\n\n[Earthworm](http://earthwormcentral.org) itself is a set of open source programs, tools and libraries that are used in\nthe development of software for maintaining seismic networks, research and other seismological and geophysical\napplications.\n\n**Supported message types**:\n\n* `TYPE_HEARTBEAT`: `python_ew.HeartBeatRing`\n* `TYPE_STATUS`: `python_ew.StatusRing`, `python_ew.StatusMessage`\n* `TYPE_TRACEBUF2`: `python_ew.Tracebuf2Ring`, `python_ew.Tracebuf2Message`\n\n\n## Installation\n\nIn order to install `python-ew`, you need to have first installed Earthworm itself.  This module builds successfully on\nLinux against `earthworm-7.9` compiled with `EWBITS=64` and with \"`-m64 -fPIC`\" added to `GLOBALFLAGS` in\n`${EW_HOME}/environment/ew_linux.bash`.  Your milage may vary for other versions of Earthworm, or on other platforms.\n\nTo compile the `python-ew` C extensions, we need to find the Earthworm `.o` and `.h` files.  We'll look in the following\nplaces:\n\nLibraries:\n\n* `${EW_HOME}/lib`\n* `${EW_HOME}/earthworm_7.9/lib`\n\nInclude files:\n\n* `${EW_HOME}/include`\n* `${EW_HOME}/earthworm_7.9/include`\n\nThus, ensure that the `EW_HOME` environment variable is set apporpriately.\n\nThen:\n\n```\npip install python-ew\n```\n\n## Example usage\n\n### Reading TRACEBUF2 messages\n\nLet's say your ring with `TYPE_TRACEBUF2` messages is named `WAVE_RING`, and you want to get all messages regardless of\nwhat module created them:\n\n```\n> python3\n>>> from python_ew import Tracebuf2Ring\n>>> ring = Tracebuf2Ring('WAVE_RING', 'MOD_WILDCARD')\n>>> messages = ring.read()\n>>> messages[0]\n{'pinno': 0, 'nsamp': 100, 'starttime': 1564770703.968393, 'endtime': 1564770704.958393, 'samprate': 100.0, 'sta': 'FOO', 'net': 'XX', 'chan': 'HNN', 'loc': '--', 'version': '20', 'datatype': 'i4', 'quality': '', 'pad': '', 'samples': [-22129, -22130, -22131, -22132, -22129, -22130, -22128, -22128, -22130, -22128, -22130, -22128, -22128, -22129, -22129, -22129, -22129, -22130, -22127, -22128, -22129, -22128, -22128, -22130, -22131, -22128, -22131, -22131, -22128, -22128, -22132, -22130, -22125, -22128, -22129, -22126, -22128, -22130, -22133, -22132, -22131, -22132, -22130, -22131, -22128, -22129, -22132, -22127, -22129, -22129, -22129, -22132, -22130, -22127, -22129, -22131, -22127, -22128, -22131, -22128, -22128, -22130, -22129, -22130, -22129, -22128, -22133, -22128, -22129, -22133, -22131, -22130, -22128, -22131, -22130, -22128, -22132, -22132, -22129, -22127, -22129, -22132, -22130, -22132, -22133, -22128, -22129, -22130, -22129, -22130, -22128, -22129, -22130, -22131, -22130, -22128, -22129, -22130, -22129, -22129]}\n````",
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