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        "author": "IUTU Inc.",
        "author_email": "contact@silversalts.com",
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        "classifiers": [
            "Development Status :: 5 - Production/Stable",
            "Intended Audience :: Developers",
            "License :: OSI Approved :: MIT License",
            "Programming Language :: Python :: 2",
            "Programming Language :: Python :: 2.7",
            "Programming Language :: Python :: 3",
            "Programming Language :: Python :: 3.3",
            "Programming Language :: Python :: 3.4",
            "Programming Language :: Python :: 3.5",
            "Topic :: Software Development :: Libraries"
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        "description": "SilverSalts project\n=======================\n\nThis project aims to offer python api to access SilverSalts online services.\n\n----\n\n***************\nUpdates since last version\n***************\n10/22/2017 - multi-language(eng, deu, fra, spa, jpn, chi_tra, chi_sim, ita, por, nld, hin) support, and new option: oem.\n10/09/2017 - added a new option: use_cache, default True. If it's True and cache exists, customer will be free of charge.\n\n***************\nAPI\n***************\n\n===================================================================================\nocr(spec, user, secret, host, protocol)\n===================================================================================\n\nspec: A dictionary specifying the options for the OCR process. Supported:\n\n    - data: Actual input data, usually the buffer from file read.\n\n    - input_scheme: A string representing the scheme of input data. Supported: raw\n\n    - output_scheme: A string representing the scheme of output data. Supported: hocr, pdf\n\n    - use_cache: A boolean indicating whether to use cached results. Default: True. If cache is used, no charge\n\n    - psm: an integer indicating tesseract psm value, e.g. 12\n\n    - oem: an integer indicating tesseract oem value, e.g. 3\n\n    - lang: an array of strings indicating languages, e.g. ['eng']\n\n    (the following are considered only when the output_scheme is pdf)\n\n    - text_visible: a boolean value indicating if the recognized text is visible\n\n    - orig_visible: a boolean value indicating if the original pdf is visible\n\n    - text_color: an array of 3 floats, range from 0 to 1, indicating the rgb of desired text color, e.g. [1, 0, 0], which means red\n\n    - text_color_reflects_cl: an integer value of 1 or -1, indicating if the text (if visible) color correlates to the recognition confidence level. If -1, higher confidence means brighter color; If 1, higher confidence means darker color.\n\nuser: email of the registered user\n\nsecret: secret of the registered user (available on dashboard page after registration)\n\nhost: server url, default: api.silversalts.com\n\nprotocol: http or https, default: https\n\n\n============\nExamples\n============\n\nfrom silversalts.api import ocr\n\nwith open('input.pdf', 'rb') as i:\n    with open('output.pdf', 'wb') as o:\n        spec = {\n            'data': i.read(),\n            # currently only supported value for input_scheme\n            'input_scheme': 'raw',\n            # output in pdf, or alternatively hocr\n            'output_scheme': 'pdf',\n            # use cached results (if cache is used, no charge)\n            'use_cache': True,\n            # tesseract psm value\n            'psm': 12,\n            # tesseract oem value\n            'oem': 3,\n            # language, array of language strings\n            'lang': ['eng'],\n            # the following are considered only when the output_scheme is pdf\n            # hide the original content so it's easier to examine the newly ocr-ed content\n            'orig_visible': False,\n            # display the ocr-ed text so we can examine the results\n            'text_visible': True,\n            # r, g, b, each ranging 0 to 1\n            'text_color': (1, 0.5, 1),\n            #  1 : the more confident, the darker\n            # -1 : the more confident, the brighter\n            'text_color_reflects_cl': 1,\n        }\n        o.write(ocr(\n            spec,\n            'you@email.com',\n            'your_secret_string',\n            # optional\n            'api.silversalts.com',\n            # optional\n            'https'\n        ))",
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