business.manufacturers package¶
Subpackages¶
Submodules¶
business.manufacturers.constants module¶
Collection of constants used in both the hydraulic design and check problems.
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business.manufacturers.constants.DIESEL_SPECIFIC_WEIGHT= <Quantity(0.835, 'dimensionless')>¶ Prescribes the specific weigth of fuel, used to run consumption calculations.
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business.manufacturers.constants.ENGINE_MAX_ADVISABLE_LOAD= 1¶ Prescribes the maximum engine load before wear occours.
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business.manufacturers.constants.ENGINE_MIN_ADVISABLE_LOAD= 0.1¶ Prescribes the minimal engine load before carbonation and wear occour.
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business.manufacturers.constants.MAX_ADVISABLE_FLOW_SPEED= <Quantity(12.0, 'meter / second')>¶ Prescribes the maximal speed of water inside the pipes to prevent wear.
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business.manufacturers.constants.MAX_ADVISABLE_VEE_BELT_TRANSMISSION_RATIO= 1.67¶ Prescribes the maximum vee-belt ratio before slipping occours.
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business.manufacturers.constants.MIN_ADVISABLE_FLOW_SPEED= <Quantity(0.0005, 'meter / second')>¶ Prescribes the minimal speed of water inside the pipes to prevent sedimentation.
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business.manufacturers.constants.MIN_CLUTCH_ENGAGEMENT_RPM_MAGNITUDE= 1600¶ Prescribes the minimal crankshaft speed to allow a centrifugal clutch to engage.
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business.manufacturers.constants.PREFERRED_FLOW_SPEED= <Quantity(5, 'foot / second')>¶ Prescribes the optimal speed of water inside the pipes.
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business.manufacturers.constants.VEE_BELTS_TRANSMISSION_EFFICIENCY= 0.96¶ Prescribes a default mechanical power loss between belts and pulleys.
business.manufacturers.readers module¶
Define readers of json data, able to populate hydraulic hardware dataclasses.
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class
business.manufacturers.readers.BaseComponentLoader(api_uri: str)¶ Bases:
business.commons.loggers.InitLoggerMixin gathering common method to read the data and assign the business_units.
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api_uri¶ the uri of the json source providing the data
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get_instances¶ Return a sequence of namedtuples storing the hydraulic hardware data
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_get_dimensional_records_as_tuple¶ Return a tuple of dictionaries storing dimensional data
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property
get_instances¶ Return a sequence of namedtuples storing the hydraulic hardware data.
- Returns
the sequence of namedtuples with the data. Each inheritor has a specific namedtuple.
- Return type
Tuple[Namedtuple]
Example
DriveheadLoader will return a tuple of manufacturers.components.Drivehead ShaftLoader will return a tuple of manufacturers.components.Shaft
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class
business.manufacturers.readers.DriveheadLoader(api_uri: str)¶ Bases:
business.manufacturers.readers.BaseComponentLoaderAdapter from a json source of progressive cavity pump driveheads.
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_component_class¶ the dataclass use to represent progressive cavity pump drivehead
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class
business.manufacturers.readers.EngineCheckLoader(api_uri: str)¶
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class
business.manufacturers.readers.EngineDesignLoader(api_uri: str)¶
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class
business.manufacturers.readers.EngineLoader(api_uri: str)¶ Bases:
business.manufacturers.readers.BaseComponentLoaderAdapter from a json source of diesel engines.
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_component_class¶ the dataclass use to represent diesel engine
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class
business.manufacturers.readers.PipeCheckLoader(api_uri: str)¶
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class
business.manufacturers.readers.PipeDesignLoader(api_uri: str)¶
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class
business.manufacturers.readers.PipeLoader(api_uri: str)¶
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class
business.manufacturers.readers.ProgressiveBodyCheckLoader(api_uri: str)¶
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class
business.manufacturers.readers.ProgressiveBodyDesignLoader(api_uri: str)¶
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class
business.manufacturers.readers.ProgressiveBodyLoader(api_uri: str)¶ Bases:
business.manufacturers.readers.BaseComponentLoaderAdapter from a json source of progressive cavity pump bodies.
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_component_class¶ the dataclass use to represent progressive cavity pump body
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class
business.manufacturers.readers.RiserPipeCheckLoader(api_uri: str)¶
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class
business.manufacturers.readers.RiserPipeDesignLoader(api_uri: str)¶
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class
business.manufacturers.readers.ShaftCheckLoader(api_uri: str)¶
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class
business.manufacturers.readers.ShaftDesignLoader(api_uri: str)¶
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class
business.manufacturers.readers.ShaftLoader(api_uri: str)¶ Bases:
business.manufacturers.readers.BaseComponentLoaderAdapter from a json source of progressive cavity pump shafts.
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_component_class¶ the dataclass use to represent progressive cavity pump shaft
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class
business.manufacturers.readers.SubmersibleCheckLoader(api_uri: str)¶
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class
business.manufacturers.readers.SubmersibleDesignLoader(api_uri: str)¶
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business.manufacturers.readers.hydraulic_hardware_patch_attempt(api_uri)¶
business.manufacturers.services module¶
Collection of uri’s used to access the hydraulic hardware json data.
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business.manufacturers.services.PERSISTENCE_HOST= '127.0.0.1:8000'¶ Prescribes the root url of the persistent data.
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business.manufacturers.services.get_persistence_host()¶ Fake and temporary.
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business.manufacturers.services.get_server_settings()¶
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business.manufacturers.services.hydraulic_hardware_apis= {'bodies': 'http://127.0.0.1:8000/api/bodies/', 'bores': 'http://127.0.0.1:8000/api/bores/', 'carbon_pipes': 'http://127.0.0.1:8000/api/carbon_pipes/', 'combinations': 'http://127.0.0.1:8000/api/combinations/', 'driveheads': 'http://127.0.0.1:8000/api/driveheads/', 'engines': 'http://127.0.0.1:8000/api/engines/', 'materials': 'http://127.0.0.1:8000/api/materials/', 'pipes': 'http://127.0.0.1:8000/api/pipes/', 'plants': 'http://127.0.0.1:8000/api/plants/', 'polyethylene_pipes': 'http://127.0.0.1:8000/api/polyethylene_pipes/', 'riser_assemblies': 'http://127.0.0.1:8000/api/riser_assemblies/', 'shafts': 'http://127.0.0.1:8000/api/shafts/', 'steel_pipes': 'http://127.0.0.1:8000/api/steel_pipes/', 'submersibles': 'http://127.0.0.1:8000/api/submersibles/'}¶ Prescribes the url of hydraulic hardware catalogs.
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business.manufacturers.services.mocked_persistence_host(*args, **kwargs)¶
business.manufacturers.utils module¶
Define an ancestor class common to hydraulic hardware dataclasses.
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class
business.manufacturers.utils.MonostateMixin¶ Bases:
objectAdd the monostate pattern to instances of dataclass.
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property
adopt¶ Return a copy of the dataclass instance.
After this method is called, the newly created instace will trigger its __post_init__ method to recreate the Rating instances.
Example
The following code:
`new_engine = engine.adopt()`entails that <new_engine> will receive a copy of <rating_data> with which will create its own instance of EngineRating.
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property