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1
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from __future__ import annotations |
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2
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3
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import abc |
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4
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import logging |
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5
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import enum |
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6
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from pathlib import Path |
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7
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from typing import Optional, Union |
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8
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9
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from pocketutils.core.dot_dict import NestedDotDict |
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10
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11
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logger = logging.getLogger("logger") |
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12
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13
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14
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class CompoundNotFoundError(LookupError): |
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15
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"""""" |
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17
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18
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@enum.unique |
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class CleverEnum(enum.Enum, metaclass=abc.ABCMeta): |
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""" |
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An enum with a ``.of`` method that finds values |
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with limited string/value fixing. |
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May support an "unmatched" type -- a fallback value when there is no match. |
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This is similar to pocketutils' simpler ``SmartEnum``. |
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It is mainly useful for enums corresponding to concepts in ChEMBL and PubChem, |
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where it's acceptable for the user to input spaces (like the database concepts use) |
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rather than the underscores that Python requires. |
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""" |
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29
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30
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@classmethod |
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def _unmatched_type(cls) -> Optional[__qualname__]: |
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return None |
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34
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@classmethod |
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def of(cls, s: Union[int, str]) -> __qualname__: |
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36
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key = s.replace(" ", "_").replace("-", "_").lower() |
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try: |
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if isinstance(s, str): |
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return cls[key] |
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elif isinstance(key, int): |
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return cls(key) |
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else: |
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raise TypeError(f"Lookup type {type(s)} for value {s} not a str or int") |
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except KeyError: |
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unk = cls._unmatched_type() |
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if unk is None: |
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raise |
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48
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logger.error(f"Target type {key} not found. Using TargetType.unknown.") |
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49
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if not isinstance(unk, cls): |
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raise AssertionError(f"Wrong type {type(unk)} (lookup: {s})") |
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return unk |
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52
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53
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54
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class MandosResources: |
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55
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@classmethod |
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def contains(cls, *nodes: Union[Path, str], suffix: Optional[str] = None) -> bool: |
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"""Returns whether a resource file (or dir) exists.""" |
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return cls.path(*nodes, suffix=suffix).exists() |
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59
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60
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@classmethod |
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61
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def path(cls, *nodes: Union[Path, str], suffix: Optional[str] = None) -> Path: |
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"""Gets a path of a test resource file under resources/.""" |
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path = Path(Path(__file__).parent.parent, "resources", *nodes) |
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return path.with_suffix(path.suffix if suffix is None else suffix) |
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@classmethod |
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def json(cls, *nodes: Union[Path, str], suffix: Optional[str] = None) -> NestedDotDict: |
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68
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return NestedDotDict.read_json(cls.path(*nodes, suffix=suffix)) |
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69
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70
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71
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__all__ = ["CompoundNotFoundError", "MandosResources", "CleverEnum"] |
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dmyersturnbull /
mandos
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