├── deepspeech_server ├── __init__.py ├── deepspeech.py └── server.py ├── .gitignore ├── requirements.txt ├── tox.ini ├── script └── deepspeech-server ├── config.sample.json ├── .travis.yml ├── setup.py ├── README.rst └── LICENSE /deepspeech_server/__init__.py: -------------------------------------------------------------------------------- 1 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | __pycache__ 2 | build 3 | dist 4 | *.egg-info 5 | .tox 6 | .ropeproject 7 | config.json 8 | -------------------------------------------------------------------------------- /requirements.txt: -------------------------------------------------------------------------------- 1 | rx>=1.6 2 | scipy>=1.0 3 | cyclotron>=0.5 4 | cyclotron-aio>=0.5 5 | cyclotron-std>=0.4 6 | -------------------------------------------------------------------------------- /tox.ini: -------------------------------------------------------------------------------- 1 | [tox] 2 | envlist = py3 3 | 4 | [testenv] 5 | deps=nose 6 | commands= 7 | nosetests \ 8 | [] 9 | -------------------------------------------------------------------------------- /script/deepspeech-server: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env PYTHONUNBUFFERED="1" python 2 | 3 | from deepspeech_server.server import main; 4 | 5 | main() 6 | -------------------------------------------------------------------------------- /config.sample.json: -------------------------------------------------------------------------------- 1 | { 2 | "deepspeech": { 3 | "model" :"models/output_graph.pb", 4 | "alphabet": "models/alphabet.txt", 5 | "lm": "models/lm.binary", 6 | "trie": "models/trie", 7 | "features": { 8 | "n_features": 26, 9 | "n_context": 9, 10 | "beam_width": 500, 11 | "lm_weight": 1.5, 12 | "vwc_weight": 2.25 13 | } 14 | }, 15 | "server": { 16 | "http": { 17 | "host": "0.0.0.0", 18 | "port": 8080, 19 | "request_max_size": 1048576 20 | } 21 | }, 22 | "log": { 23 | "level": [ 24 | { "logger": "deepspeech_server", "level": "DEBUG"} 25 | ] 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | language: python 2 | python: 3 | - '3.5' 4 | 5 | install: 6 | - pip install nose 7 | 8 | script: 9 | nosetests -s --verbosity=3 10 | 11 | deploy: 12 | provider: pypi 13 | user: mainro 14 | password: 15 | secure: 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 16 | on: 17 | tags: true 18 | -------------------------------------------------------------------------------- /setup.py: -------------------------------------------------------------------------------- 1 | import os, sys 2 | try: 3 | from setuptools import setup, find_packages 4 | use_setuptools = True 5 | except ImportError: 6 | from distutils.core import setup 7 | use_setuptools = False 8 | 9 | try: 10 | with open('README.rst', 'rt') as readme: 11 | description = '\n' + readme.read() 12 | except IOError: 13 | # maybe running setup.py from some other dir 14 | description = '' 15 | 16 | python_requires='>=3.5' 17 | install_requires = [ 18 | 'rx>=1.6', 19 | 'scipy>=1.0', 20 | 'cyclotron>=0.5', 21 | 'cyclotron-aio>=0.5', 22 | 'cyclotron-std>=0.4', 23 | ] 24 | 25 | setup( 26 | name="deepspeech-server", 27 | version='1.0.0', 28 | url='https://github.com/MainRo/deepspeech-server.git', 29 | license='MPL-2.0', 30 | description="server for mozilla deepspeech", 31 | long_description=description, 32 | author='Romain Picard', 33 | author_email='romain.picard@softathome.com', 34 | packages=find_packages(), 35 | install_requires=install_requires, 36 | include_package_data=True, 37 | platforms='any', 38 | classifiers=[ 39 | 'Development Status :: 3 - Alpha', 40 | 'License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)', 41 | 'Intended Audience :: Developers', 42 | 'Programming Language :: Python :: 3', 43 | 'Topic :: Scientific/Engineering :: Artificial Intelligence' 44 | ], 45 | scripts=['script/deepspeech-server'], 46 | ) 47 | -------------------------------------------------------------------------------- /deepspeech_server/deepspeech.py: -------------------------------------------------------------------------------- 1 | import io 2 | import logging 3 | from collections import namedtuple 4 | import scipy.io.wavfile as wav 5 | 6 | from rx import Observable 7 | from cyclotron import Component 8 | from cyclotron_std.logging import Log 9 | from deepspeech import Model 10 | 11 | 12 | Sink = namedtuple('Sink', ['speech']) 13 | Source = namedtuple('Source', ['text', 'log']) 14 | 15 | # Sink events 16 | FeaturesParameters = namedtuple('FeaturesParameters', ['n_features', 'n_context', 'beam_width', 'lm_weight', 'vwc_weight']) 17 | FeaturesParameters.__new__.__defaults__ = (26, 9, 500, 1.5, 2.25) 18 | 19 | Initialize = namedtuple('Initialize', ['model', 'alphabet', 'lm', 'trie', 'features']) 20 | SpeechToText = namedtuple('SpeechToText', ['data', 'context']) 21 | 22 | # Sourc eevents 23 | TextResult = namedtuple('TextResult', ['text', 'context']) 24 | TextError = namedtuple('TextError', ['error', 'context']) 25 | 26 | 27 | def make_driver(loop=None): 28 | def driver(sink): 29 | ds_model = None 30 | log_observer = None 31 | 32 | def on_log_subscribe(observer): 33 | nonlocal log_observer 34 | log_observer = observer 35 | 36 | def log(message, level=logging.DEBUG): 37 | if log_observer is not None: 38 | log_observer.on_next(Log( 39 | logger=__name__, 40 | level=level, 41 | message=message, 42 | )) 43 | 44 | def setup_model(model_path, alphabet, lm, trie, features): 45 | log("creating model {} {} with features {}...".format(model_path, alphabet, features)) 46 | ds_model = Model( 47 | model_path, 48 | features.n_features, features.n_context, alphabet, features.beam_width) 49 | 50 | if lm and trie: 51 | ds_model.enableDecoderWithLM( 52 | alphabet, lm, trie, 53 | features.lm_weight, features.vwc_weight) 54 | log("model is ready.") 55 | return ds_model 56 | 57 | def subscribe(observer): 58 | def on_deepspeech_request(item): 59 | nonlocal ds_model 60 | 61 | if type(item) is SpeechToText: 62 | if ds_model is not None: 63 | try: 64 | fs, audio = wav.read(io.BytesIO(item.data)) 65 | # convert to mono. 66 | # todo: move to a component or just a function here 67 | if len(audio.shape) > 1: 68 | audio = audio[:, 0] 69 | text = ds_model.stt(audio, fs) 70 | log("STT result: {}".format(text)) 71 | observer.on_next(Observable.just(TextResult( 72 | text=text, 73 | context=item.context, 74 | ))) 75 | except Exception as e: 76 | log("STT error: {}".format(e)) 77 | observer.on_next(Observable.throw(TextError( 78 | error=e, 79 | context=item.context, 80 | ))) 81 | elif type(item) is Initialize: 82 | log("initialize: {}".format(item)) 83 | ds_model = setup_model( 84 | item.model, item.alphabet, item.lm, item.trie, item.features or FeaturesParameters()) 85 | else: 86 | log("unknown item: {}".format(item), level=logging.CRITICAL) 87 | observer.on_error( 88 | "Unknown item type: {}".format(type(item))) 89 | 90 | sink.speech.subscribe(lambda item: on_deepspeech_request(item)) 91 | 92 | return Source( 93 | text=Observable.create(subscribe), 94 | log=Observable.create(on_log_subscribe), 95 | ) 96 | 97 | return Component(call=driver, input=Sink) 98 | -------------------------------------------------------------------------------- /README.rst: -------------------------------------------------------------------------------- 1 | ================== 2 | DeepSpeech Server 3 | ================== 4 | 5 | .. image:: https://travis-ci.org/MainRo/deepspeech-server.svg?branch=master 6 | :target: https://travis-ci.org/MainRo/deepspeech-server 7 | 8 | .. image:: https://badge.fury.io/py/deepspeech-server.svg 9 | :target: https://badge.fury.io/py/deepspeech-server 10 | 11 | Key Features 12 | ============ 13 | 14 | This is an http server that can be used to test the Mozilla DeepSpeech project. 15 | You need an environment with DeepSpeech and a model to run this server. 16 | 17 | Installation 18 | ============= 19 | 20 | You first need to install deepspeech. Depending on your system you can use the 21 | CPU package: 22 | 23 | .. code-block:: console 24 | 25 | pip3 install deepspeech 26 | 27 | Or the GPU package: 28 | 29 | .. code-block:: console 30 | 31 | pip3 install deepspeech-gpu 32 | 33 | Then you can install the deepspeech server: 34 | 35 | .. code-block:: console 36 | 37 | python3 setup.py install 38 | 39 | The server is also available on pypi, so you can install it with pip: 40 | 41 | .. code-block:: console 42 | 43 | pip3 install deepspeech-server 44 | 45 | Note that python 3.5 is the minimum version required to run the server. 46 | 47 | Starting the server 48 | ==================== 49 | 50 | .. code-block:: console 51 | 52 | deepspeech-server --config config.json 53 | 54 | You can use deepspeech without training a model yourself. Pre-trained 55 | models are provided by Mozilla in the release page of the project (See the 56 | assets section of the release not): 57 | 58 | https://github.com/mozilla/DeepSpeech/releases 59 | 60 | Once your downloaded a pre-trained model, you can untar it and directly use the 61 | sample configuration file: 62 | 63 | .. code-block:: console 64 | 65 | cp config.sample.json config.json 66 | deepspeech-server --config config.json 67 | 68 | Server configuration 69 | ===================== 70 | 71 | The configuration is done with a json file, provided with the "--config" argument. 72 | Its structure is the following one: 73 | 74 | .. code-block:: json 75 | 76 | { 77 | "deepspeech": { 78 | "model" :"models/output_graph.pb", 79 | "alphabet": "models/alphabet.txt", 80 | "lm": "models/lm.binary", 81 | "trie": "models/trie", 82 | "features": { 83 | "n_features": 26, 84 | "n_context": 9, 85 | "beam_width": 500, 86 | "lm_weight": 1.5, 87 | "vwc_weight": 2.25 88 | } 89 | }, 90 | "server": { 91 | "http": { 92 | "host": "0.0.0.0", 93 | "port": 8080, 94 | "request_max_size": 1048576 95 | } 96 | }, 97 | "log": { 98 | "level": [ 99 | { "logger": "deepspeech_server", "level": "DEBUG"} 100 | ] 101 | } 102 | } 103 | 104 | The configuration file contains several sections and sub-sections. 105 | 106 | deepspeech section configuration 107 | -------------------------------- 108 | 109 | Section "deepspeech" contains configuration of the deepspeech engine: 110 | 111 | **model** is the protobuf model that was generated by deepspeech 112 | 113 | **alphabet** is the alphabet dictionary (as available in the "data" directory of 114 | the DeepSpeech sources). 115 | 116 | **lm** is the language model. 117 | 118 | **trie** is the trie file. 119 | 120 | **features** contains the features settings that have been used to train the 121 | model. This field can be set to null to keep the default settings. 122 | 123 | Section "server" contains configuration of the access part, with on subsection per protocol: 124 | 125 | http section configuration 126 | -------------------------- 127 | 128 | **request_max_size** (default value: 1048576, i.e. 1MiB) is the maximum payload 129 | size allowed by the server. A received payload size above this threshold will 130 | return a "413: Request Entity Too Large" error. 131 | 132 | **host** (default value: "0.0.0.0") is the listen address of the http server. 133 | 134 | **port** (default value: 8080) is the listening port of the http server. 135 | 136 | log section configuration 137 | ------------------------- 138 | 139 | The log section can be used to set the log levels of the server. This section 140 | contains a list of log entries. Each log entry contains the name of a **logger** 141 | and its **level**. Both follow the convention of the python logging module. 142 | 143 | 144 | Using the server 145 | ================ 146 | 147 | Inference on the model is done via http post requests. For example with the 148 | following curl command: 149 | 150 | .. code-block:: console 151 | 152 | curl -X POST --data-binary @testfile.wav http://localhost:8080/stt 153 | -------------------------------------------------------------------------------- /deepspeech_server/server.py: -------------------------------------------------------------------------------- 1 | import json 2 | from collections import namedtuple 3 | from rx import Observable 4 | from rx.concurrency import AsyncIOScheduler 5 | 6 | from cyclotron import Component 7 | from cyclotron.router import make_error_router 8 | 9 | from cyclotron_aio.runner import run 10 | import cyclotron_aio.httpd as httpd 11 | import cyclotron_std.sys.argv as argv 12 | import cyclotron_std.io.file as file 13 | import cyclotron_std.argparse as argparse 14 | import cyclotron_std.logging as logging 15 | 16 | import deepspeech_server.deepspeech as deepspeech 17 | 18 | aio_scheduler = AsyncIOScheduler() 19 | 20 | DeepspeechSink = namedtuple('DeepspeechSink', [ 21 | 'logging', 'deepspeech', 'httpd', 'file' 22 | ]) 23 | DeepspeechSource = namedtuple('DeepspeechSource', [ 24 | 'deepspeech', 'httpd', 'logging', 'file', 'argv' 25 | ]) 26 | DeepspeechDrivers = namedtuple('DeepspeechServerDrivers', [ 27 | 'logging', 'deepspeech', 'httpd', 'file', 'argv' 28 | ]) 29 | 30 | 31 | def parse_config(config_data): 32 | ''' takes a stream with the content of the configuration file as input 33 | and returns a (hot) stream of arguments . 34 | ''' 35 | config = ( 36 | config_data 37 | .filter(lambda i: i.id == "config") 38 | .flat_map(lambda i: i.data) 39 | #.do_action(lambda i: print("item: {}".format(i))) 40 | .map(lambda i: json.loads( 41 | i, 42 | object_hook=lambda d: namedtuple('x', d.keys())(*d.values()))) 43 | ) 44 | 45 | return config.share() 46 | 47 | 48 | def deepspeech_server(sources): 49 | argv = sources.argv.argv 50 | stt = sources.httpd.route 51 | stt_response = sources.deepspeech.text.share() 52 | ds_logs = sources.deepspeech.log 53 | config_data = sources.file.response 54 | 55 | http_ds_error, route_ds_error = make_error_router() 56 | 57 | args = argparse.argparse( 58 | argv=argv.skip(1).subscribe_on(aio_scheduler), 59 | parser=Observable.just(argparse.Parser(description="deepspeech server")), 60 | arguments=Observable.from_([ 61 | argparse.ArgumentDef( 62 | name='--config', help="Path of the server configuration file") 63 | ]) 64 | ) 65 | 66 | config_file = ( 67 | args 68 | .filter(lambda i: i.key == 'config') 69 | .map(lambda i: file.Read(id='config', path=i.value)) 70 | ) 71 | config = parse_config(config_data).subscribe_on(aio_scheduler) 72 | 73 | logs_config = ( 74 | config 75 | .flat_map(lambda i: Observable.from_(i.log.level) 76 | .map(lambda i: logging.SetLevel(logger=i.logger, level=i.level)) 77 | .concat(Observable.just(logging.SetLevelDone())) 78 | ) 79 | ) 80 | 81 | logs = Observable.merge(logs_config, ds_logs) 82 | log_ready = sources.logging.response.take(1) 83 | 84 | ds_stt = ( 85 | stt 86 | .flat_map(lambda i: i.request) 87 | .map(lambda i: deepspeech.SpeechToText(data=i.data, context=i.context)) 88 | ) 89 | 90 | ds_arg = ( 91 | # config is hot, the combine operator allows to keep its last value 92 | # until logging is initialized 93 | log_ready.combine_latest(config, lambda _, i: i) 94 | .map(lambda i: deepspeech.Initialize( 95 | model=i.deepspeech.model, 96 | alphabet=i.deepspeech.alphabet, 97 | lm=i.deepspeech.lm, 98 | trie=i.deepspeech.trie, 99 | features=deepspeech.FeaturesParameters( 100 | n_features=i.deepspeech.features.n_features, 101 | n_context=i.deepspeech.features.n_context, 102 | beam_width=i.deepspeech.features.beam_width, 103 | lm_weight=i.deepspeech.features.lm_weight, 104 | vwc_weight=i.deepspeech.features.vwc_weight 105 | ) if i.deepspeech.features is not None else None 106 | )) 107 | ) 108 | ds = ds_stt.merge(ds_arg) 109 | 110 | http_init = ( 111 | config 112 | .flat_map(lambda i: Observable.from_([ 113 | httpd.Initialize(request_max_size=i.server.http.request_max_size), 114 | httpd.AddRoute( 115 | methods=['POST'], 116 | path='/stt', 117 | id='stt', 118 | ), 119 | httpd.StartServer( 120 | host=i.server.http.host, 121 | port=i.server.http.port), 122 | ])) 123 | ) 124 | 125 | http_response = ( 126 | stt_response 127 | .let(route_ds_error, 128 | error_map=lambda e: httpd.Response( 129 | data="Speech to text error".encode('utf-8'), 130 | context=e.args[0].context, 131 | status=500 132 | )) 133 | .map(lambda i: httpd.Response( 134 | data=i.text.encode('utf-8'), 135 | context=i.context, 136 | )) 137 | ) 138 | 139 | http = Observable.merge(http_init, http_response, http_ds_error) 140 | 141 | return DeepspeechSink( 142 | file=file.Sink(request=config_file), 143 | logging=logging.Sink(request=logs), 144 | deepspeech=deepspeech.Sink(speech=ds), 145 | httpd=httpd.Sink(control=http) 146 | ) 147 | 148 | 149 | def main(): 150 | run( 151 | Component(call=deepspeech_server, input=DeepspeechSource), 152 | DeepspeechDrivers( 153 | deepspeech=deepspeech.make_driver(), 154 | httpd=httpd.make_driver(), 155 | argv=argv.make_driver(), 156 | logging=logging.make_driver(), 157 | file=file.make_driver() 158 | ) 159 | ) 160 | 161 | 162 | if __name__ == '__main__': 163 | main() 164 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Mozilla Public License Version 2.0 2 | ================================== 3 | 4 | 1. Definitions 5 | -------------- 6 | 7 | 1.1. "Contributor" 8 | means each individual or legal entity that creates, contributes to 9 | the creation of, or owns Covered Software. 10 | 11 | 1.2. "Contributor Version" 12 | means the combination of the Contributions of others (if any) used 13 | by a Contributor and that particular Contributor's Contribution. 14 | 15 | 1.3. "Contribution" 16 | means Covered Software of a particular Contributor. 17 | 18 | 1.4. "Covered Software" 19 | means Source Code Form to which the initial Contributor has attached 20 | the notice in Exhibit A, the Executable Form of such Source Code 21 | Form, and Modifications of such Source Code Form, in each case 22 | including portions thereof. 23 | 24 | 1.5. "Incompatible With Secondary Licenses" 25 | means 26 | 27 | (a) that the initial Contributor has attached the notice described 28 | in Exhibit B to the Covered Software; or 29 | 30 | (b) that the Covered Software was made available under the terms of 31 | version 1.1 or earlier of the License, but not also under the 32 | terms of a Secondary License. 33 | 34 | 1.6. "Executable Form" 35 | means any form of the work other than Source Code Form. 36 | 37 | 1.7. "Larger Work" 38 | means a work that combines Covered Software with other material, in 39 | a separate file or files, that is not Covered Software. 40 | 41 | 1.8. "License" 42 | means this document. 43 | 44 | 1.9. "Licensable" 45 | means having the right to grant, to the maximum extent possible, 46 | whether at the time of the initial grant or subsequently, any and 47 | all of the rights conveyed by this License. 48 | 49 | 1.10. "Modifications" 50 | means any of the following: 51 | 52 | (a) any file in Source Code Form that results from an addition to, 53 | deletion from, or modification of the contents of Covered 54 | Software; or 55 | 56 | (b) any new file in Source Code Form that contains any Covered 57 | Software. 58 | 59 | 1.11. "Patent Claims" of a Contributor 60 | means any patent claim(s), including without limitation, method, 61 | process, and apparatus claims, in any patent Licensable by such 62 | Contributor that would be infringed, but for the grant of the 63 | License, by the making, using, selling, offering for sale, having 64 | made, import, or transfer of either its Contributions or its 65 | Contributor Version. 66 | 67 | 1.12. "Secondary License" 68 | means either the GNU General Public License, Version 2.0, the GNU 69 | Lesser General Public License, Version 2.1, the GNU Affero General 70 | Public License, Version 3.0, or any later versions of those 71 | licenses. 72 | 73 | 1.13. "Source Code Form" 74 | means the form of the work preferred for making modifications. 75 | 76 | 1.14. "You" (or "Your") 77 | means an individual or a legal entity exercising rights under this 78 | License. For legal entities, "You" includes any entity that 79 | controls, is controlled by, or is under common control with You. For 80 | purposes of this definition, "control" means (a) the power, direct 81 | or indirect, to cause the direction or management of such entity, 82 | whether by contract or otherwise, or (b) ownership of more than 83 | fifty percent (50%) of the outstanding shares or beneficial 84 | ownership of such entity. 85 | 86 | 2. License Grants and Conditions 87 | -------------------------------- 88 | 89 | 2.1. Grants 90 | 91 | Each Contributor hereby grants You a world-wide, royalty-free, 92 | non-exclusive license: 93 | 94 | (a) under intellectual property rights (other than patent or trademark) 95 | Licensable by such Contributor to use, reproduce, make available, 96 | modify, display, perform, distribute, and otherwise exploit its 97 | Contributions, either on an unmodified basis, with Modifications, or 98 | as part of a Larger Work; and 99 | 100 | (b) under Patent Claims of such Contributor to make, use, sell, offer 101 | for sale, have made, import, and otherwise transfer either its 102 | Contributions or its Contributor Version. 103 | 104 | 2.2. Effective Date 105 | 106 | The licenses granted in Section 2.1 with respect to any Contribution 107 | become effective for each Contribution on the date the Contributor first 108 | distributes such Contribution. 109 | 110 | 2.3. Limitations on Grant Scope 111 | 112 | The licenses granted in this Section 2 are the only rights granted under 113 | this License. No additional rights or licenses will be implied from the 114 | distribution or licensing of Covered Software under this License. 115 | Notwithstanding Section 2.1(b) above, no patent license is granted by a 116 | Contributor: 117 | 118 | (a) for any code that a Contributor has removed from Covered Software; 119 | or 120 | 121 | (b) for infringements caused by: (i) Your and any other third party's 122 | modifications of Covered Software, or (ii) the combination of its 123 | Contributions with other software (except as part of its Contributor 124 | Version); or 125 | 126 | (c) under Patent Claims infringed by Covered Software in the absence of 127 | its Contributions. 128 | 129 | This License does not grant any rights in the trademarks, service marks, 130 | or logos of any Contributor (except as may be necessary to comply with 131 | the notice requirements in Section 3.4). 132 | 133 | 2.4. Subsequent Licenses 134 | 135 | No Contributor makes additional grants as a result of Your choice to 136 | distribute the Covered Software under a subsequent version of this 137 | License (see Section 10.2) or under the terms of a Secondary License (if 138 | permitted under the terms of Section 3.3). 139 | 140 | 2.5. Representation 141 | 142 | Each Contributor represents that the Contributor believes its 143 | Contributions are its original creation(s) or it has sufficient rights 144 | to grant the rights to its Contributions conveyed by this License. 145 | 146 | 2.6. Fair Use 147 | 148 | This License is not intended to limit any rights You have under 149 | applicable copyright doctrines of fair use, fair dealing, or other 150 | equivalents. 151 | 152 | 2.7. Conditions 153 | 154 | Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted 155 | in Section 2.1. 156 | 157 | 3. Responsibilities 158 | ------------------- 159 | 160 | 3.1. Distribution of Source Form 161 | 162 | All distribution of Covered Software in Source Code Form, including any 163 | Modifications that You create or to which You contribute, must be under 164 | the terms of this License. You must inform recipients that the Source 165 | Code Form of the Covered Software is governed by the terms of this 166 | License, and how they can obtain a copy of this License. You may not 167 | attempt to alter or restrict the recipients' rights in the Source Code 168 | Form. 169 | 170 | 3.2. Distribution of Executable Form 171 | 172 | If You distribute Covered Software in Executable Form then: 173 | 174 | (a) such Covered Software must also be made available in Source Code 175 | Form, as described in Section 3.1, and You must inform recipients of 176 | the Executable Form how they can obtain a copy of such Source Code 177 | Form by reasonable means in a timely manner, at a charge no more 178 | than the cost of distribution to the recipient; and 179 | 180 | (b) You may distribute such Executable Form under the terms of this 181 | License, or sublicense it under different terms, provided that the 182 | license for the Executable Form does not attempt to limit or alter 183 | the recipients' rights in the Source Code Form under this License. 184 | 185 | 3.3. Distribution of a Larger Work 186 | 187 | You may create and distribute a Larger Work under terms of Your choice, 188 | provided that You also comply with the requirements of this License for 189 | the Covered Software. If the Larger Work is a combination of Covered 190 | Software with a work governed by one or more Secondary Licenses, and the 191 | Covered Software is not Incompatible With Secondary Licenses, this 192 | License permits You to additionally distribute such Covered Software 193 | under the terms of such Secondary License(s), so that the recipient of 194 | the Larger Work may, at their option, further distribute the Covered 195 | Software under the terms of either this License or such Secondary 196 | License(s). 197 | 198 | 3.4. Notices 199 | 200 | You may not remove or alter the substance of any license notices 201 | (including copyright notices, patent notices, disclaimers of warranty, 202 | or limitations of liability) contained within the Source Code Form of 203 | the Covered Software, except that You may alter any license notices to 204 | the extent required to remedy known factual inaccuracies. 205 | 206 | 3.5. Application of Additional Terms 207 | 208 | You may choose to offer, and to charge a fee for, warranty, support, 209 | indemnity or liability obligations to one or more recipients of Covered 210 | Software. However, You may do so only on Your own behalf, and not on 211 | behalf of any Contributor. You must make it absolutely clear that any 212 | such warranty, support, indemnity, or liability obligation is offered by 213 | You alone, and You hereby agree to indemnify every Contributor for any 214 | liability incurred by such Contributor as a result of warranty, support, 215 | indemnity or liability terms You offer. You may include additional 216 | disclaimers of warranty and limitations of liability specific to any 217 | jurisdiction. 218 | 219 | 4. Inability to Comply Due to Statute or Regulation 220 | --------------------------------------------------- 221 | 222 | If it is impossible for You to comply with any of the terms of this 223 | License with respect to some or all of the Covered Software due to 224 | statute, judicial order, or regulation then You must: (a) comply with 225 | the terms of this License to the maximum extent possible; and (b) 226 | describe the limitations and the code they affect. Such description must 227 | be placed in a text file included with all distributions of the Covered 228 | Software under this License. Except to the extent prohibited by statute 229 | or regulation, such description must be sufficiently detailed for a 230 | recipient of ordinary skill to be able to understand it. 231 | 232 | 5. Termination 233 | -------------- 234 | 235 | 5.1. The rights granted under this License will terminate automatically 236 | if You fail to comply with any of its terms. However, if You become 237 | compliant, then the rights granted under this License from a particular 238 | Contributor are reinstated (a) provisionally, unless and until such 239 | Contributor explicitly and finally terminates Your grants, and (b) on an 240 | ongoing basis, if such Contributor fails to notify You of the 241 | non-compliance by some reasonable means prior to 60 days after You have 242 | come back into compliance. Moreover, Your grants from a particular 243 | Contributor are reinstated on an ongoing basis if such Contributor 244 | notifies You of the non-compliance by some reasonable means, this is the 245 | first time You have received notice of non-compliance with this License 246 | from such Contributor, and You become compliant prior to 30 days after 247 | Your receipt of the notice. 248 | 249 | 5.2. If You initiate litigation against any entity by asserting a patent 250 | infringement claim (excluding declaratory judgment actions, 251 | counter-claims, and cross-claims) alleging that a Contributor Version 252 | directly or indirectly infringes any patent, then the rights granted to 253 | You by any and all Contributors for the Covered Software under Section 254 | 2.1 of this License shall terminate. 255 | 256 | 5.3. In the event of termination under Sections 5.1 or 5.2 above, all 257 | end user license agreements (excluding distributors and resellers) which 258 | have been validly granted by You or Your distributors under this License 259 | prior to termination shall survive termination. 260 | 261 | ************************************************************************ 262 | * * 263 | * 6. Disclaimer of Warranty * 264 | * ------------------------- * 265 | * * 266 | * Covered Software is provided under this License on an "as is" * 267 | * basis, without warranty of any kind, either expressed, implied, or * 268 | * statutory, including, without limitation, warranties that the * 269 | * Covered Software is free of defects, merchantable, fit for a * 270 | * particular purpose or non-infringing. The entire risk as to the * 271 | * quality and performance of the Covered Software is with You. * 272 | * Should any Covered Software prove defective in any respect, You * 273 | * (not any Contributor) assume the cost of any necessary servicing, * 274 | * repair, or correction. This disclaimer of warranty constitutes an * 275 | * essential part of this License. No use of any Covered Software is * 276 | * authorized under this License except under this disclaimer. * 277 | * * 278 | ************************************************************************ 279 | 280 | ************************************************************************ 281 | * * 282 | * 7. Limitation of Liability * 283 | * -------------------------- * 284 | * * 285 | * Under no circumstances and under no legal theory, whether tort * 286 | * (including negligence), contract, or otherwise, shall any * 287 | * Contributor, or anyone who distributes Covered Software as * 288 | * permitted above, be liable to You for any direct, indirect, * 289 | * special, incidental, or consequential damages of any character * 290 | * including, without limitation, damages for lost profits, loss of * 291 | * goodwill, work stoppage, computer failure or malfunction, or any * 292 | * and all other commercial damages or losses, even if such party * 293 | * shall have been informed of the possibility of such damages. This * 294 | * limitation of liability shall not apply to liability for death or * 295 | * personal injury resulting from such party's negligence to the * 296 | * extent applicable law prohibits such limitation. Some * 297 | * jurisdictions do not allow the exclusion or limitation of * 298 | * incidental or consequential damages, so this exclusion and * 299 | * limitation may not apply to You. * 300 | * * 301 | ************************************************************************ 302 | 303 | 8. Litigation 304 | ------------- 305 | 306 | Any litigation relating to this License may be brought only in the 307 | courts of a jurisdiction where the defendant maintains its principal 308 | place of business and such litigation shall be governed by laws of that 309 | jurisdiction, without reference to its conflict-of-law provisions. 310 | Nothing in this Section shall prevent a party's ability to bring 311 | cross-claims or counter-claims. 312 | 313 | 9. Miscellaneous 314 | ---------------- 315 | 316 | This License represents the complete agreement concerning the subject 317 | matter hereof. If any provision of this License is held to be 318 | unenforceable, such provision shall be reformed only to the extent 319 | necessary to make it enforceable. Any law or regulation which provides 320 | that the language of a contract shall be construed against the drafter 321 | shall not be used to construe this License against a Contributor. 322 | 323 | 10. Versions of the License 324 | --------------------------- 325 | 326 | 10.1. New Versions 327 | 328 | Mozilla Foundation is the license steward. Except as provided in Section 329 | 10.3, no one other than the license steward has the right to modify or 330 | publish new versions of this License. Each version will be given a 331 | distinguishing version number. 332 | 333 | 10.2. Effect of New Versions 334 | 335 | You may distribute the Covered Software under the terms of the version 336 | of the License under which You originally received the Covered Software, 337 | or under the terms of any subsequent version published by the license 338 | steward. 339 | 340 | 10.3. Modified Versions 341 | 342 | If you create software not governed by this License, and you want to 343 | create a new license for such software, you may create and use a 344 | modified version of this License if you rename the license and remove 345 | any references to the name of the license steward (except to note that 346 | such modified license differs from this License). 347 | 348 | 10.4. Distributing Source Code Form that is Incompatible With Secondary 349 | Licenses 350 | 351 | If You choose to distribute Source Code Form that is Incompatible With 352 | Secondary Licenses under the terms of this version of the License, the 353 | notice described in Exhibit B of this License must be attached. 354 | 355 | Exhibit A - Source Code Form License Notice 356 | ------------------------------------------- 357 | 358 | This Source Code Form is subject to the terms of the Mozilla Public 359 | License, v. 2.0. If a copy of the MPL was not distributed with this 360 | file, You can obtain one at http://mozilla.org/MPL/2.0/. 361 | 362 | If it is not possible or desirable to put the notice in a particular 363 | file, then You may include the notice in a location (such as a LICENSE 364 | file in a relevant directory) where a recipient would be likely to look 365 | for such a notice. 366 | 367 | You may add additional accurate notices of copyright ownership. 368 | 369 | Exhibit B - "Incompatible With Secondary Licenses" Notice 370 | --------------------------------------------------------- 371 | 372 | This Source Code Form is "Incompatible With Secondary Licenses", as 373 | defined by the Mozilla Public License, v. 2.0. 374 | --------------------------------------------------------------------------------