Turn Builder into a subset of Pather
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parent
039320d180
commit
4fc2e67b62
@ -42,7 +42,7 @@ from .library import (
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)
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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, FlatBuilder
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from .builder import Builder, Tool, FlatBuilder, Pather
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from .utils import ports2data
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@ -1,4 +1,4 @@
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from .builder import Builder
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from .builder import Builder, Pather
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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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@ -22,6 +22,7 @@ logger = logging.getLogger(__name__)
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BB = TypeVar('BB', bound='Builder')
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PP = TypeVar('PP', bound='Pather')
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class Builder(PortList):
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@ -78,23 +79,17 @@ class Builder(PortList):
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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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"""
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__slots__ = ('pattern', 'library', 'tools', '_dead')
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__slots__ = ('pattern', 'library', '_dead')
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pattern: Pattern
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""" Layout of this device """
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library: MutableLibrary
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library: Optional[MutableLibrary]
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"""
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Library from which existing patterns should be referenced, and to which
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new ones should be added
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"""
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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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@ -108,11 +103,10 @@ class Builder(PortList):
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def __init__(
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self,
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library: MutableLibrary,
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library: Optional[MutableLibrary],
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*,
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pattern: Optional[Pattern] = None,
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ports: Union[None, str, 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 Builder() constructor
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@ -133,17 +127,12 @@ class Builder(PortList):
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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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if isinstance(ports, str):
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if library is None:
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raise BuildError('Ports given as a string, but `library` was `None`!')
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ports = library.abstract(ports).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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@ -152,7 +141,6 @@ class Builder(PortList):
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source: Union[PortList, Mapping[str, Port], str],
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*,
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library: Optional[MutableLibrary] = None,
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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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@ -184,9 +172,6 @@ class Builder(PortList):
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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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@ -210,13 +195,10 @@ class Builder(PortList):
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if library is None:
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if hasattr(source, 'library') and isinstance(source.library, MutableLibrary):
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library = source.library
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else:
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raise BuildError('No library provided (and not present in `source.library`')
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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, str):
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if library is None:
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raise BuildError('Source given as a string, but `library` was `None`!')
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orig_ports = library.abstract(source).ports
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elif isinstance(source, PortList):
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orig_ports = source.ports
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@ -248,7 +230,7 @@ class Builder(PortList):
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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 = Builder(library=library, ports={**ports_in, **ports_out}, tools=tools)
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new = Builder(library=library, ports={**ports_in, **ports_out})
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return new
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def plug(
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@ -319,6 +301,8 @@ class Builder(PortList):
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return self
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if isinstance(other, str):
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if self.library is None:
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raise BuildError('No library available, but `other` was a string!')
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other = self.library.abstract(other)
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# If asked to inherit a name, check that all conditions are met
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@ -403,6 +387,8 @@ class Builder(PortList):
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return self
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if isinstance(other, str):
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if self.library is None:
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raise BuildError('No library available, but `other` was a string!')
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other = self.library.abstract(other)
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if port_map is None:
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@ -499,11 +485,172 @@ class Builder(PortList):
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s = f'<Builder {self.pattern} >' # TODO maybe show lib and tools? in builder repr?
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return s
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class Pather(Builder):
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"""
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TODO DOCUMENT Builder
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A `Device` is a combination of a `Pattern` with a set of named `Port`s
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which can be used to "snap" devices together to make complex layouts.
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`Device`s can be as simple as one or two ports (e.g. an electrical pad
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or wire), but can also be used to build and represent a large routed
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layout (e.g. a logical block with multiple I/O connections or even a
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full chip).
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For convenience, ports can be read out using square brackets:
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- `device['A'] == Port((0, 0), 0)`
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- `device[['A', 'B']] == {'A': Port((0, 0), 0), 'B': Port((0, 0), pi)}`
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Examples: Creating a Device
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===========================
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- `Device(pattern, ports={'A': port_a, 'C': port_c})` uses an existing
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pattern and defines some ports.
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- `Device(ports=None)` makes a new empty pattern with
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default ports ('A' and 'B', in opposite directions, at (0, 0)).
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- `my_device.build('my_layout')` makes a new pattern and instantiates
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`my_device` in it with offset (0, 0) as a base for further building.
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- `my_device.as_interface('my_component', port_map=['A', 'B'])` makes a new
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(empty) pattern, copies over ports 'A' and 'B' from `my_device`, and
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creates additional ports 'in_A' and 'in_B' facing in the opposite
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directions. This can be used to build a device which can plug into
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`my_device` (using the 'in_*' ports) but which does not itself include
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`my_device` as a subcomponent.
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Examples: Adding to a Device
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============================
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- `my_device.plug(subdevice, {'A': 'C', 'B': 'B'}, map_out={'D': 'myport'})`
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instantiates `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(wire, {'myport': 'A'})` places port 'A' of `wire` at 'myport'
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of `my_device`. If `wire` has only two ports (e.g. 'A' and 'B'), no `map_out`,
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argument is provided, and the `inherit_name` argument is not explicitly
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set to `False`, the unconnected port of `wire` is automatically renamed to
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'myport'. This allows easy extension of existing ports without changing
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their names or having to provide `map_out` each time `plug` is called.
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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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"""
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__slots__ = ('tools',)
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library: MutableLibrary
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"""
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Library from which existing patterns should be referenced, and to which
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new ones should be added
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"""
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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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def __init__(
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self,
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library: MutableLibrary,
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*,
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pattern: Optional[Pattern] = None,
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ports: Union[None, str, 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 Builder() constructor
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# TODO MOVE THE BELOW DOCS to PortList
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# If `ports` is `None`, two default ports ('A' and 'B') are created.
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# Both are placed at (0, 0) and have default `ptype`, but 'A' has rotation 0
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# (attached devices will be placed to the left) and 'B' has rotation
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# pi (attached devices will be placed to the right).
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"""
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self.library = library
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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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if isinstance(ports, str):
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ports = library.abstract(ports).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 from_builder(
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cls,
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builder: Builder,
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*,
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library: Optional[MutableLibrary] = None,
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tools: Union[None, Tool, MutableMapping[Optional[str], Tool]] = None,
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) -> 'Pather':
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"""TODO from_builder docs"""
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library = library if library is not None else builder.library
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if library is None:
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raise BuildError('No library available for Pather!')
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new = Pather(library=library, tools=tools, pattern=builder.pattern)
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return new
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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], str],
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*,
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library: Optional[MutableLibrary] = None,
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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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) -> 'Pather':
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"""
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TODO doc pather.interface
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"""
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if library is None:
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if hasattr(source, 'library') and isinstance(source.library, MutableLibrary):
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library = source.library
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else:
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raise BuildError('No library provided (and not present in `source.library`')
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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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new = Pather.from_builder(Builder.interface(
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source=source,
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library=library,
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in_prefix=in_prefix,
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out_prefix=out_prefix,
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port_map=port_map,
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))
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return new
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def __repr__(self) -> str:
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s = f'<Builder {self.pattern} >' # TODO maybe show lib and tools? in builder repr?
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return s
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def retool(
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self: BB,
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self: PP,
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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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) -> PP:
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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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@ -512,7 +659,7 @@ class Builder(PortList):
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return self
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def path(
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self: BB,
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self: PP,
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portspec: str,
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ccw: Optional[SupportsBool],
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length: float,
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@ -520,7 +667,7 @@ class Builder(PortList):
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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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) -> PP:
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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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@ -533,7 +680,7 @@ class Builder(PortList):
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return self.plug(Abstract(name, pat.ports), {portspec: tool_port_names[0]})
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def path_to(
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self: BB,
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self: PP,
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portspec: str,
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ccw: Optional[SupportsBool],
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position: float,
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@ -541,7 +688,7 @@ class Builder(PortList):
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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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) -> PP:
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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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@ -567,7 +714,7 @@ class Builder(PortList):
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return self.path(portspec, ccw, length, tool_port_names=tool_port_names, base_name=base_name, **kwargs)
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def mpath(
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self: BB,
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self: PP,
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portspec: Union[str, Sequence[str]],
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ccw: Optional[SupportsBool],
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*,
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@ -577,7 +724,7 @@ class Builder(PortList):
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force_container: bool = False,
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base_name: str = '_mpath',
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**kwargs,
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) -> BB:
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) -> PP:
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if self._dead:
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logger.error('Skipping mpath() since device is dead')
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return self
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@ -608,7 +755,7 @@ class Builder(PortList):
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port_name = tuple(portspec)[0]
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return self.path(port_name, ccw, extensions[port_name], tool_port_names=tool_port_names)
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else:
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bld = Builder.interface(source=ports, library=self.library, tools=self.tools)
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bld = Pather.interface(source=ports, library=self.library, tools=self.tools)
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for port_name, length in extensions.items():
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bld.path(port_name, ccw, length, tool_port_names=tool_port_names)
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name = self.library.get_name(base_name)
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@ -617,7 +764,7 @@ class Builder(PortList):
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# TODO def path_join() and def bus_join()?
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def flatten(self: BB) -> BB:
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def flatten(self: PP) -> PP:
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"""
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Flatten the contained pattern, using the contained library to resolve references.
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