Source code for pwem.protocols.protocol_export.protocol_export_DB

# **************************************************************************
# *
# * Authors:     Amaya Jimenez (
# *              Marta Martinez (
# *              Roberto Marabini (
# *
# * Unidad de  Bioinformatica of Centro Nacional de Biotecnologia , CSIC
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# * This program is free software; you can redistribute it and/or modify
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# * the Free Software Foundation; either version 3 of the License, or
# * (at your option) any later version.
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# * This program is distributed in the hope that it will be useful,
# * but WITHOUT ANY WARRANTY; without even the implied warranty of
# * GNU General Public License for more details.
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# * You should have received a copy of the GNU General Public License
# * along with this program; if not, write to the Free Software
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
# * 02111-1307  USA
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# *  All comments concerning this program package may be sent to the
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import os

import pyworkflow.protocol.params as params
from pwem.convert import Ccp4Header
from pyworkflow import VERSION_1_2

from pwem.convert.atom_struct import fromPDBToCIF, fromCIFTommCIF, \
from pwem.emlib.image import ImageHandler
from pwem.protocols import EMProtocol
from pwem.objects import FSC
from pyworkflow.utils.path import copyFile

[docs]class ProtExportDataBases(EMProtocol): """ generates files for elements to submit structures to EMDB/PDB. Since mmcif/pdb is only partially supported by some software the protocol creates 4 versions of the atomic struct file with the hope that at least one of them will work. """ _label = 'export emdb/pdb' _program = "" _lastUpdateVersion = VERSION_1_2 VOLUMENAME = 'main_map.mrc' HALFVOLUMENAME = 'half_map_%d.mrc' COORDINATEFILENAME = 'coordinates.cif' ADDITIONALVOLUMEDIR = "addMaps" ADDITIONALVOLUMENAME = "map_%02d.mrc" MASKDIR = "masks" MASKNAME = "mask_%02d.mrc" SYMPLIFIED_STRUCT = "symplified_atom_structure.cif" # --------------------------- DEFINE param functions ---------------------- def _defineParams(self, form): form.addSection(label='Input') form.addParam('exportVolume', params.PointerParam, label="Main EM map to export", allowsNull=True, pointerClass='Volume', help='This EM map is mandatory for EMDB and it ' 'will be exported using mrc format. ' 'If this map is associated to their respective ' 'half maps, they will be exported as well.') form.addParam('additionalVolumesToExport', params.BooleanParam, default=False, label='Additional maps to export?', help='Select YES if you want to add some more ' 'EM maps to export.') form.addParam('exportAdditionalVolumes', params.MultiPointerParam, label="Additional EM maps to export", allowsNull=True, condition='additionalVolumesToExport == True', pointerClass='Volume', help='These additional EM maps will be also exported ' 'using mrc format.') form.addParam('exportFSC', params.PointerParam, label="FSC file to export", allowsNull=True, pointerClass='FSC, SetOfFSCs', help='This FSCs will be exported using XML format') form.addParam('masksToExport', params.BooleanParam, default=False, label='Masks to export?', help='Select YES if you want to add some ' 'masks to export.') form.addParam('exportMasks', params.MultiPointerParam, label="Masks to export", allowsNull=True, condition='masksToExport == True', pointerClass='Mask', help='These mask will be exported using mrc format') form.addParam('exportAtomStruct', params.PointerParam, label="Atomic structure to export", allowsNull=True, pointerClass='AtomStruct', help='This atomic structure will be exported using mmCIF format') form.addParam('exportPicture', params.PathParam, label="Image to export", allowsNull=True, pointerClass='Image', help='This image is mandatory for EMDB') form.addParam('filesPath', params.PathParam, important=True, label="Export to directory", help="Directory where the files will be generated.") # --------------------------- INSERT steps functions ---------------------- def _insertAllSteps(self): self.dirName = self.filesPath.get() self._insertFunctionStep('createDirectoryStep', self.dirName) if self.exportVolume.get() is not None: self._insertFunctionStep('exportVolumeStep') if self.additionalVolumesToExport: self._insertFunctionStep('exportAdditionalVolumeStep') if self.exportFSC.get() is not None: self._insertFunctionStep('exportFSCStep') if self.masksToExport: self._insertFunctionStep('exportMasksStep') if self.exportAtomStruct.get() is not None: self._insertFunctionStep('exportAtomStructStep') if self.exportPicture.get() is not None: self._insertFunctionStep('exportImageStep') # --------------------------- STEPS functions -----------------------------
[docs] def createDirectoryStep(self, dirPath): try: os.makedirs(dirPath) except OSError: if not os.path.isdir(dirPath): print("Can not create directory %s" % dirPath) raise
[docs] def exportVolumeStep(self): inVolFileName = self.exportVolume.get().getFileName() inVol = self.exportVolume.get() outVolFileName = os.path.join(self.dirName, self.VOLUMENAME) shifts = inVol.getOrigin(force=True).getShifts() sampling = inVol.getSamplingRate() ccp4header = Ccp4Header(inVolFileName) ccp4header.fixFile(inVolFileName, outVolFileName, shifts, sampling=sampling) # Do we have half volumes? if self.exportVolume.get().hasHalfMaps(): ih = ImageHandler() for counter, half_map in enumerate( self.exportVolume.get().getHalfMaps().split(','), 1): outVolFileName = os.path.join(self.dirName, self.HALFVOLUMENAME % counter) ccp4header.fixFile(half_map, outVolFileName, shifts, sampling=sampling)
[docs] def exportAdditionalVolumeStep(self): outputDir = os.path.join(self.dirName, self.ADDITIONALVOLUMEDIR) self.createDirectoryStep(outputDir) ih = ImageHandler() for counter, map in enumerate(self.exportAdditionalVolumes, 1): map = map.get() inVolFileName = map.getFileName() outVolFileName = os.path.join(outputDir, self.ADDITIONALVOLUMENAME % counter) shifts = map.getOrigin(force=True).getShifts() sampling = map.getSamplingRate() ccp4header = Ccp4Header(inVolFileName) ccp4header.fixFile(inVolFileName, outVolFileName, shifts, sampling=sampling)
[docs] def exportFSCStep(self): exportFSC = self.exportFSC.get() if isinstance(self.exportFSC.get(), FSC): fscSet = self._createSetOfFSCs() fscSet.append(exportFSC) else: fscSet = exportFSC dirName = self.filesPath.get() for i, exportFSC in enumerate(fscSet, 1): x, y = exportFSC.getData() fnFSC = os.path.join(dirName, "fsc_%02d.xml" % i) fo = open(fnFSC, "w") fo.write('<fsc title="FSC(%s)" xaxis="Resolution (A-1)" ' 'yaxis="Correlation Coefficient">\n' % os.path.join(dirName, self.VOLUMENAME)) for k in range(len(x)): fo.write("<coordinate>\n") fo.write("<x>%f</x>\n" % x[k]) fo.write("<y>%f</y>\n" % y[k]) fo.write("</coordinate>\n") fo.write("</fsc>\n") fo.close()
[docs] def exportMasksStep(self): outputDir = os.path.join(self.dirName, self.MASKDIR) self.createDirectoryStep(outputDir) for counter, mask in enumerate(self.exportMasks, 1): mask = mask.get() inVolFileName = mask.getFileName() outVolFileName = os.path.join(outputDir, self.MASKNAME % counter) shifts = mask.getOrigin(force=True).getShifts() sampling = mask.getSamplingRate() ccp4header = Ccp4Header(inVolFileName) ccp4header.fixFile(inVolFileName, outVolFileName, shifts, sampling=sampling)
[docs] def exportAtomStructStep(self): exportAtomStruct = self.exportAtomStruct.get() originStructPath = exportAtomStruct.getFileName() dirName = self.filesPath.get() destinyStructPath = os.path.join(dirName, self.COORDINATEFILENAME) destinySympleStructPath = os.path.join(dirName, self.SYMPLIFIED_STRUCT) # save input atom struct with no change baseName = os.path.basename(originStructPath) localPath = os.path.abspath(os.path.join(dirName, baseName)) copyFile(originStructPath, localPath) # call biopython to simplify atom struct and save it aSH = AtomicStructHandler() aSH.write(destinySympleStructPath) # if pdb convert to mmcif calling maxit twice if originStructPath.endswith(".pdb"): # convert pdb to cif using maxit program log = self._log fromPDBToCIF(originStructPath, destinyStructPath, log) try: # convert cif to mmCIF by using maxit program fromCIFTommCIF(destinyStructPath, destinyStructPath, log) except Exception as e: pass # if cif convert to mmcif using maxit elif originStructPath.endswith(".cif"): # convert cif to mmCIF by using maxit program log = self._log try: fromCIFTommCIF(originStructPath, destinyStructPath, log) except Exception as e: pass
[docs] def exportImageStep(self): imageBaseFileName = os.path.basename(self.exportPicture.get()) outputFile = os.path.join(self.dirName, imageBaseFileName) copyFile(self.exportPicture.get(), outputFile)
# --------------------------- INFO functions ------------------------------ def _validate(self): message = [] fnPath = self.filesPath.get() if fnPath == "" or fnPath is None: message.append("You must set a path to export.") return message def _summary(self): message = "Data Available at : *%s*" % self.filesPath.get() return [message] def _methods(self): return [] # --------------------------- UTILS functions ---------------------------------
[docs] def getFnPath(self, label='volume'): return os.path.join(self.filesPath.get(), self._getFileName(label))