add FlatBuilder
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@ -37,7 +37,7 @@ from .pattern import Pattern
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from .library import Library, MutableLibrary, WrapROLibrary, WrapLibrary, LazyLibrary, AbstractView
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from .ports import Port, PortList
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from .abstract import Abstract
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from .builder import Builder, Tool
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from .builder import Builder, Tool, FlatBuilder
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from .utils import ports2data
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@ -1,3 +1,4 @@
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from .builder import Builder
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from .flatbuilder import FlatBuilder
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from .utils import ell
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from .tools import Tool
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529
masque/builder/flatbuilder.py
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529
masque/builder/flatbuilder.py
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@ -0,0 +1,529 @@
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from typing import Dict, Tuple, Union, TypeVar, Optional, Sequence
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from typing import MutableMapping, Mapping
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import copy
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import logging
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import numpy
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from numpy import pi
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from numpy.typing import ArrayLike
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from ..pattern import Pattern
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from ..error import PortError, BuildError
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from ..ports import PortList, Port
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from ..utils import SupportsBool
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from .tools import Tool
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from .utils import ell
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logger = logging.getLogger(__name__)
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BB = TypeVar('BB', bound='FlatBuilder')
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class FlatBuilder(PortList):
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"""
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TODO DOCUMENT FlatBuilder
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"""
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__slots__ = ('pattern', 'tools', '_dead')
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pattern: Pattern
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""" Layout of this device """
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tools: Dict[Optional[str], Tool]
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"""
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Tool objects are used to dynamically generate new single-use Devices
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(e.g wires or waveguides) to be plugged into this device.
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"""
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_dead: bool
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""" If True, plug()/place() are skipped (for debugging)"""
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@property
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def ports(self) -> Dict[str, Port]:
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return self.pattern.ports
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@ports.setter
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def ports(self, value: Dict[str, Port]) -> None:
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self.pattern.ports = value
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def __init__(
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self,
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*,
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pattern: Optional[Pattern] = None,
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ports: Union[None, Mapping[str, Port]] = None,
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tools: Union[None, Tool, MutableMapping[Optional[str], Tool]] = None,
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) -> None:
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"""
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# TODO documentation for FlatBuilder() constructor
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"""
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if pattern is not None:
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self.pattern = pattern
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else:
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self.pattern = Pattern()
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if ports is not None:
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if self.pattern.ports:
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raise BuildError('Ports supplied for pattern with pre-existing ports!')
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self.pattern.ports.update(copy.deepcopy(dict(ports)))
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if tools is None:
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self.tools = {}
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elif isinstance(tools, Tool):
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self.tools = {None: tools}
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else:
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self.tools = dict(tools)
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self._dead = False
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@classmethod
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def interface(
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cls,
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source: Union[PortList, Mapping[str, Port]],
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*,
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tools: Union[None, Tool, MutableMapping[Optional[str], Tool]] = None,
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in_prefix: str = 'in_',
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out_prefix: str = '',
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port_map: Optional[Union[Dict[str, str], Sequence[str]]] = None,
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) -> 'FlatBuilder':
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"""
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Begin building a new device based on all or some of the ports in the
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source device. Do not include the source device; instead use it
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to define ports (the "interface") for the new device.
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The ports specified by `port_map` (default: all ports) are copied to
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new device, and additional (input) ports are created facing in the
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opposite directions. The specified `in_prefix` and `out_prefix` are
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prepended to the port names to differentiate them.
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By default, the flipped ports are given an 'in_' prefix and unflipped
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ports keep their original names, enabling intuitive construction of
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a device that will "plug into" the current device; the 'in_*' ports
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are used for plugging the devices together while the original port
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names are used for building the new device.
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Another use-case could be to build the new device using the 'in_'
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ports, creating a new device which could be used in place of the
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current device.
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Args:
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source: A collection of ports (e.g. Pattern, Builder, or dict)
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from which to create the interface.
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library: Used for buildin functions; if not passed and the source
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library: Library from which existing patterns should be referenced,
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and to which new ones should be added. If not provided,
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the source's library will be used (if available).
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tools: Tool objects are used to dynamically generate new single-use
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patterns (e.g wires or waveguides) while building. If not provided,
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the source's tools will be reused (if available).
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in_prefix: Prepended to port names for newly-created ports with
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reversed directions compared to the current device.
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out_prefix: Prepended to port names for ports which are directly
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copied from the current device.
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port_map: Specification for ports to copy into the new device:
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- If `None`, all ports are copied.
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- If a sequence, only the listed ports are copied
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- If a mapping, the listed ports (keys) are copied and
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renamed (to the values).
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Returns:
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The new builder, with an empty pattern and 2x as many ports as
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listed in port_map.
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Raises:
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`PortError` if `port_map` contains port names not present in the
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current device.
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`PortError` if applying the prefixes results in duplicate port
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names.
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"""
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if tools is None and hasattr(source, 'tools') and isinstance(source.tools, dict):
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tools = source.tools
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if isinstance(source, PortList):
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orig_ports = source.ports
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elif isinstance(source, dict):
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orig_ports = source
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else:
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raise BuildError(f'Unable to get ports from {type(source)}: {source}')
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if port_map:
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if isinstance(port_map, dict):
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missing_inkeys = set(port_map.keys()) - set(orig_ports.keys())
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mapped_ports = {port_map[k]: v for k, v in orig_ports.items() if k in port_map}
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else:
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port_set = set(port_map)
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missing_inkeys = port_set - set(orig_ports.keys())
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mapped_ports = {k: v for k, v in orig_ports.items() if k in port_set}
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if missing_inkeys:
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raise PortError(f'`port_map` keys not present in source: {missing_inkeys}')
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else:
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mapped_ports = orig_ports
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ports_in = {f'{in_prefix}{name}': port.deepcopy().rotate(pi)
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for name, port in mapped_ports.items()}
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ports_out = {f'{out_prefix}{name}': port.deepcopy()
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for name, port in mapped_ports.items()}
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duplicates = set(ports_out.keys()) & set(ports_in.keys())
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if duplicates:
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raise PortError(f'Duplicate keys after prefixing, try a different prefix: {duplicates}')
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new = FlatBuilder(ports={**ports_in, **ports_out}, tools=tools)
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return new
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def plug(
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self: BB,
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other: Pattern,
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map_in: Dict[str, str],
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map_out: Optional[Dict[str, Optional[str]]] = None,
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*,
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mirrored: Tuple[bool, bool] = (False, False),
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inherit_name: bool = True,
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set_rotation: Optional[bool] = None,
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) -> BB:
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"""
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Instantiate another pattern into the current device, connecting
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the ports specified by `map_in` and renaming the unconnected
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ports specified by `map_out`.
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Examples:
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=========
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- `my_device.plug(lib, 'subdevice', {'A': 'C', 'B': 'B'}, map_out={'D': 'myport'})`
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instantiates `lib['subdevice']` into `my_device`, plugging ports 'A' and 'B'
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of `my_device` into ports 'C' and 'B' of `subdevice`. The connected ports
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are removed and any unconnected ports from `subdevice` are added to
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`my_device`. Port 'D' of `subdevice` (unconnected) is renamed to 'myport'.
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- `my_device.plug(lib, 'wire', {'myport': 'A'})` places port 'A' of `lib['wire']`
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at 'myport' of `my_device`.
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If `'wire'` has only two ports (e.g. 'A' and 'B'), no `map_out` argument is
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provided, and the `inherit_name` argument is not explicitly set to `False`,
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the unconnected port of `wire` is automatically renamed to 'myport'. This
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allows easy extension of existing ports without changing their names or
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having to provide `map_out` each time `plug` is called.
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Args:
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other: An `Abstract` describing the device to be instatiated.
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map_in: Dict of `{'self_port': 'other_port'}` mappings, specifying
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port connections between the two devices.
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map_out: Dict of `{'old_name': 'new_name'}` mappings, specifying
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new names for ports in `other`.
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mirrored: Enables mirroring `other` across the x or y axes prior
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to connecting any ports.
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inherit_name: If `True`, and `map_in` specifies only a single port,
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and `map_out` is `None`, and `other` has only two ports total,
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then automatically renames the output port of `other` to the
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name of the port from `self` that appears in `map_in`. This
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makes it easy to extend a device with simple 2-port devices
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(e.g. wires) without providing `map_out` each time `plug` is
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called. See "Examples" above for more info. Default `True`.
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set_rotation: If the necessary rotation cannot be determined from
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the ports being connected (i.e. all pairs have at least one
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port with `rotation=None`), `set_rotation` must be provided
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to indicate how much `other` should be rotated. Otherwise,
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`set_rotation` must remain `None`.
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Returns:
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self
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Raises:
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`PortError` if any ports specified in `map_in` or `map_out` do not
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exist in `self.ports` or `other_names`.
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`PortError` if there are any duplicate names after `map_in` and `map_out`
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are applied.
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`PortError` if the specified port mapping is not achieveable (the ports
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do not line up)
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"""
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if self._dead:
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logger.error('Skipping plug() since device is dead')
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return self
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# If asked to inherit a name, check that all conditions are met
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if (inherit_name
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and not map_out
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and len(map_in) == 1
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and len(other.ports) == 2):
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out_port_name = next(iter(set(other.ports.keys()) - set(map_in.values())))
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map_out = {out_port_name: next(iter(map_in.keys()))}
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if map_out is None:
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map_out = {}
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map_out = copy.deepcopy(map_out)
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self.check_ports(other.ports.keys(), map_in, map_out)
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translation, rotation, pivot = self.find_transform(
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other,
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map_in,
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mirrored=mirrored,
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set_rotation=set_rotation,
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)
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# get rid of plugged ports
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for ki, vi in map_in.items():
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del self.ports[ki]
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map_out[vi] = None
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self.place(other, offset=translation, rotation=rotation, pivot=pivot,
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mirrored=mirrored, port_map=map_out, skip_port_check=True)
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return self
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def place(
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self: BB,
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other: Pattern,
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*,
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offset: ArrayLike = (0, 0),
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rotation: float = 0,
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pivot: ArrayLike = (0, 0),
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mirrored: Tuple[bool, bool] = (False, False),
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port_map: Optional[Dict[str, Optional[str]]] = None,
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skip_port_check: bool = False,
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) -> BB:
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"""
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Instantiate the device `other` into the current device, adding its
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ports to those of the current device (but not connecting any ports).
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Mirroring is applied before rotation; translation (`offset`) is applied last.
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Examples:
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=========
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- `my_device.place(pad, offset=(10, 10), rotation=pi / 2, port_map={'A': 'gnd'})`
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instantiates `pad` at the specified (x, y) offset and with the specified
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rotation, adding its ports to those of `my_device`. Port 'A' of `pad` is
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renamed to 'gnd' so that further routing can use this signal or net name
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rather than the port name on the original `pad` device.
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Args:
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other: An `Abstract` describing the device to be instatiated.
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offset: Offset at which to place the instance. Default (0, 0).
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rotation: Rotation applied to the instance before placement. Default 0.
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pivot: Rotation is applied around this pivot point (default (0, 0)).
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Rotation is applied prior to translation (`offset`).
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mirrored: Whether theinstance should be mirrored across the x and y axes.
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Mirroring is applied before translation and rotation.
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port_map: Dict of `{'old_name': 'new_name'}` mappings, specifying
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new names for ports in the instantiated device. New names can be
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`None`, which will delete those ports.
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skip_port_check: Can be used to skip the internal call to `check_ports`,
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in case it has already been performed elsewhere.
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Returns:
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self
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Raises:
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`PortError` if any ports specified in `map_in` or `map_out` do not
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exist in `self.ports` or `other.ports`.
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`PortError` if there are any duplicate names after `map_in` and `map_out`
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are applied.
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"""
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if self._dead:
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logger.error('Skipping place() since device is dead')
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return self
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if port_map is None:
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port_map = {}
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if not skip_port_check:
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self.check_ports(other.ports.keys(), map_in=None, map_out=port_map)
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ports = {}
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for name, port in other.ports.items():
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new_name = port_map.get(name, name)
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if new_name is None:
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continue
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ports[new_name] = port
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for name, port in ports.items():
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p = port.deepcopy()
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p.mirror2d(mirrored)
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p.rotate_around(pivot, rotation)
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p.translate(offset)
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self.ports[name] = p
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other_copy = other.deepcopy()
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other_copy.mirror2d(mirrored)
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other_copy.rotate_around(pivot, rotation)
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other_copy.translate_elements(offset)
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self.pattern.append(other_copy)
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return self
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def translate(self: BB, offset: ArrayLike) -> BB:
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"""
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Translate the pattern and all ports.
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Args:
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offset: (x, y) distance to translate by
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Returns:
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self
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"""
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self.pattern.translate_elements(offset)
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for port in self.ports.values():
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port.translate(offset)
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return self
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def rotate_around(self: BB, pivot: ArrayLike, angle: float) -> BB:
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"""
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Rotate the pattern and all ports.
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Args:
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angle: angle (radians, counterclockwise) to rotate by
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pivot: location to rotate around
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Returns:
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self
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"""
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self.pattern.rotate_around(pivot, angle)
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for port in self.ports.values():
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port.rotate_around(pivot, angle)
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return self
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def mirror(self: BB, axis: int) -> BB:
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"""
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Mirror the pattern and all ports across the specified axis.
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Args:
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axis: Axis to mirror across (x=0, y=1)
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Returns:
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self
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"""
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self.pattern.mirror(axis)
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for p in self.ports.values():
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p.mirror(axis)
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return self
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def set_dead(self: BB) -> BB:
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"""
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Disallows further changes through `plug()` or `place()`.
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This is meant for debugging:
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```
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dev.plug(a, ...)
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dev.set_dead() # added for debug purposes
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dev.plug(b, ...) # usually raises an error, but now skipped
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dev.plug(c, ...) # also skipped
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dev.pattern.visualize() # shows the device as of the set_dead() call
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```
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Returns:
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self
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"""
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self._dead = True
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return self
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def __repr__(self) -> str:
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s = f'<FlatBuilder {self.pattern} >'
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return s
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def retool(
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self: BB,
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tool: Tool,
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keys: Union[Optional[str], Sequence[Optional[str]]] = None,
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) -> BB:
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if keys is None or isinstance(keys, str):
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self.tools[keys] = tool
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else:
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for key in keys:
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self.tools[key] = tool
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return self
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def path(
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self: BB,
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portspec: str,
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ccw: Optional[SupportsBool],
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length: float,
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*,
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tool_port_names: Sequence[str] = ('A', 'B'),
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base_name: str = '_path_',
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**kwargs,
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) -> BB:
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if self._dead:
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logger.error('Skipping path() since device is dead')
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return self
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tool = self.tools.get(portspec, self.tools[None])
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in_ptype = self.pattern[portspec].ptype
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pat = tool.path(ccw, length, in_ptype=in_ptype, port_names=tool_port_names, **kwargs)
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return self.plug(pat, {portspec: tool_port_names[0]})
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def path_to(
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self: BB,
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portspec: str,
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ccw: Optional[SupportsBool],
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position: float,
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*,
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tool_port_names: Sequence[str] = ('A', 'B'),
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base_name: str = '_pathto_',
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**kwargs,
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) -> BB:
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if self._dead:
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logger.error('Skipping path_to() since device is dead')
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return self
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port = self.pattern[portspec]
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||||
x, y = port.offset
|
||||
if port.rotation is None:
|
||||
raise PortError(f'Port {portspec} has no rotation and cannot be used for path_to()')
|
||||
|
||||
if not numpy.isclose(port.rotation % (pi / 2), 0):
|
||||
raise BuildError('path_to was asked to route from non-manhattan port')
|
||||
|
||||
is_horizontal = numpy.isclose(port.rotation % pi, 0)
|
||||
if is_horizontal:
|
||||
if numpy.sign(numpy.cos(port.rotation)) == numpy.sign(position - x):
|
||||
raise BuildError(f'path_to routing to behind source port: x={x:g} to {position:g}')
|
||||
length = numpy.abs(position - x)
|
||||
else:
|
||||
if numpy.sign(numpy.sin(port.rotation)) == numpy.sign(position - y):
|
||||
raise BuildError(f'path_to routing to behind source port: y={y:g} to {position:g}')
|
||||
length = numpy.abs(position - y)
|
||||
|
||||
return self.path(portspec, ccw, length, tool_port_names=tool_port_names, base_name=base_name, **kwargs)
|
||||
|
||||
def mpath(
|
||||
self: BB,
|
||||
portspec: Union[str, Sequence[str]],
|
||||
ccw: Optional[SupportsBool],
|
||||
*,
|
||||
spacing: Optional[Union[float, ArrayLike]] = None,
|
||||
set_rotation: Optional[float] = None,
|
||||
tool_port_names: Sequence[str] = ('A', 'B'),
|
||||
force_container: bool = False,
|
||||
base_name: str = '_mpath_',
|
||||
**kwargs,
|
||||
) -> BB:
|
||||
if self._dead:
|
||||
logger.error('Skipping mpath() since device is dead')
|
||||
return self
|
||||
|
||||
bound_types = set()
|
||||
if 'bound_type' in kwargs:
|
||||
bound_types.add(kwargs['bound_type'])
|
||||
bound = kwargs['bound']
|
||||
for bt in ('emin', 'emax', 'pmin', 'pmax', 'min_past_furthest'):
|
||||
if bt in kwargs:
|
||||
bound_types.add(bt)
|
||||
bound = kwargs[bt]
|
||||
|
||||
if not bound_types:
|
||||
raise BuildError('No bound type specified for mpath')
|
||||
elif len(bound_types) > 1:
|
||||
raise BuildError(f'Too many bound types specified for mpath: {bound_types}')
|
||||
bound_type = tuple(bound_types)[0]
|
||||
|
||||
if isinstance(portspec, str):
|
||||
portspec = [portspec]
|
||||
ports = self.pattern[tuple(portspec)]
|
||||
|
||||
extensions = ell(ports, ccw, spacing=spacing, bound=bound, bound_type=bound_type, set_rotation=set_rotation)
|
||||
|
||||
if len(ports) == 1 and not force_container:
|
||||
# Not a bus, so having a container just adds noise to the layout
|
||||
port_name = tuple(portspec)[0]
|
||||
return self.path(port_name, ccw, extensions[port_name], tool_port_names=tool_port_names)
|
||||
else:
|
||||
bld = FlatBuilder.interface(source=ports, tools=self.tools)
|
||||
for port_name, length in extensions.items():
|
||||
bld.path(port_name, ccw, length, tool_port_names=tool_port_names)
|
||||
return self.plug(bld.pattern, {sp: 'in_' + sp for sp in ports.keys()}) # TODO safe to use 'in_'?
|
||||
Loading…
Reference in New Issue
Block a user