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60 lines
1.6 KiB
Python
60 lines
1.6 KiB
Python
from typing import Dict, Union, Optional
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from typing import MutableMapping, TYPE_CHECKING
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import copy
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import logging
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from ..pattern import Pattern
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from ..library import MutableLibrary
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from ..ports import PortList, Port
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from .tools import Tool
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if TYPE_CHECKING:
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from .builder import Builder
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logger = logging.getLogger(__name__)
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class Abstract(PortList):
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__slots__ = ('name', 'ports')
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name: str
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""" Name of the pattern this device references """
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ports: Dict[str, Port]
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""" Uniquely-named ports which can be used to snap instances together"""
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def __init__(
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self,
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name: str,
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ports: Dict[str, Port],
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) -> None:
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self.name = name
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self.ports = copy.deepcopy(ports)
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def build(
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self,
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library: MutableLibrary,
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tools: Union[None, Tool, MutableMapping[Optional[str], Tool]] = None,
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) -> 'Builder':
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"""
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Begin building a new device around an instance of the current device
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(rather than modifying the current device).
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Returns:
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The new `Builder` object.
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"""
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pat = Pattern(ports=self.ports)
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pat.ref(self.name)
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new = Builder(library=library, pattern=pat, tools=tools) # TODO should Abstract have tools?
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return new
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# TODO do we want to store a Ref instead of just a name? then we can translate/rotate/mirror...
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def __repr__(self) -> str:
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s = f'<Abstract {self.name} ['
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for name, port in self.ports.items():
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s += f'\n\t{name}: {port}'
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s += ']>'
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return s
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