HSI-Evaluator/legacyConvert.py at main · Brandt-J/HSI-Evaluator · GitHub

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"""
HSI Classifier
Copyright (C) 2021 Josef Brandt, University of Gothenburg <josef.brandt@gu.se>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program, see COPYING.
If not, see <https://www.gnu.org/licenses/>.
"""

from typing import TYPE_CHECKING, List, Union
import difflib
from collections import Counter

from spectraObject import SpectraObject
from logger import getLogger
from particles import ParticleHandler
from gui.nodegraph.nodegraph import NodeGraph
from gui.nodegraph.nodes import nodeTypes

if TYPE_CHECKING:
    from logging import Logger
    from dataObjects import Sample, View
    from gui.nodegraph.nodecore import BaseNode

currentSampleVersion = 2
currentViewVersion = 2

logger: 'Logger' = getLogger("LegacyConvert")


def assertUpToDateSample(sampleData: 'Sample') -> 'Sample':
    """Convenience method for converting from older versions"""

    if not hasattr(sampleData, "specObj"):
        sampleData = _updateSampleToVersion0(sampleData)

    if not hasattr(sampleData, "version"):
        sampleData = _updateSampleToVersion1(sampleData)

    if sampleData.version == 1:
        sampleData = _updateSampleToVersion2(sampleData)

    return sampleData


def assertUpToDateView(view: 'View') -> 'View':
    """Convenience method for converting from older versions"""

    if not hasattr(view, "version"):
        view = _updateViewToVersion1(view)
    if view.version == 1:
        view = _updateViewToVersion2(view)

    for sample in view.samples:
        sample = assertUpToDateSample(sample)

    return view


def _updateSampleToVersion0(sampledata: 'Sample') -> 'Sample':
    logger.info(f"Converting sample {sampledata.name} to Version 0")
    sampledata.specObj = SpectraObject()
    sampledata.specObj._wavenumbers = None
    return sampledata


def _updateSampleToVersion1(sampleData: 'Sample') -> 'Sample':
    logger.info(f"Converting sample {sampleData.name} to Version 1")
    sampleData.specObj._wavelengths = sampleData.specObj._wavenumbers
    del sampleData.specObj._wavenumbers
    sampleData.version = 1
    return sampleData


def _updateSampleToVersion2(sampleData: 'Sample') -> 'Sample':
    logger.info(f"converting sample {sampleData.name} to Version 2")
    sampleData.batchResult = None
    if not hasattr(sampleData, "particleHandler"):
        sampleData.particleHandler = ParticleHandler()
    for id, particle in sampleData.particleHandler._particles.items():
        if type(particle._result) == Counter:
            particle._result = None
    return sampleData


def _updateViewToVersion1(view: 'View') -> 'View':
    logger.info(f"Converting view {view.title} to Version 1")
    from dataObjects import Sample  # import statement down here to avoid cyclic reference...
    samples: List['Sample'] = []
    for sample in view.samples:
        newSample: Sample = Sample()
        sample = assertUpToDateSample(sample)
        newSample.__dict__.update(sample.__dict__)
        samples.append(newSample)
    view.samples = samples
    view.version = 1
    return view


def _updateViewToVersion2(view: 'View') -> 'View':
    logger.info(f"Converting view {view.title} to Version 2")
    # Recreate nodegraph from just the preprocessorNames.
    if len(view.processStack) > 0:
        nodeClasses: list = _preprocNames2NodeClasses(view.processStack)
        nodegraph: NodeGraph = NodeGraph()
        nodegraph._deleteAllNodesAndConnections()
        lastNode: Union[None, 'BaseNode'] = None
        for i, cls in enumerate(nodeClasses):
            newNode: 'BaseNode' = nodegraph._addNode(cls)
            if i == 0:
                nodegraph._addConnection(newNode._inputs[0], nodegraph._inputNode._outputs[0])  # connect to input
            else:
                nodegraph._addConnection(newNode._inputs[0], lastNode._outputs[0])
            lastNode: 'BaseNode' = newNode

        nodegraph._addConnection(nodegraph._nodeClf._inputs[0], lastNode._outputs[0])  # connect lastNode to Classifier Node

        view.processingGraph = nodegraph.getGraphConfig()
        # del view.processStack  # I leave it there for the moment. Could be uncommented after some good testing in practice.
    return view


def _preprocNames2NodeClasses(preprocNames: List[str]) -> list:
    """
    Takes a List of preprocessorName and finds the available preprocessor NodeTypes that are closest to that.
    :param preprocNames: List of Names of Preprocessors
    :return: List of NodeTypes corresponding to the procList.
    """
    types: list = []
    for name in preprocNames:
        closestName = difflib.get_close_matches(name, nodeTypes.keys(), cutoff=0)[0]
        types.append(nodeTypes[closestName])
    return types