コード例 #1
0
ファイル: folder.py プロジェクト: adsorensen/girder
    def clean(self, folder, progress=None, **kwargs):
        """
        Delete all contents underneath a folder recursively, but leave the
        folder itself.

        :param folder: The folder document to delete.
        :type folder: dict
        :param progress: A progress context to record progress on.
        :type progress: girder.utility.progress.ProgressContext or None.
        """
        setResponseTimeLimit()
        # Delete all child items
        items = self.model('item').find({
            'folderId': folder['_id']
        })
        for item in items:
            setResponseTimeLimit()
            self.model('item').remove(item, progress=progress, **kwargs)
            if progress:
                progress.update(increment=1, message='Deleted item %s' %
                                item['name'])
        # subsequent operations take a long time, so free the cursor's resources
        items.close()

        # Delete all child folders
        folders = self.find({
            'parentId': folder['_id'],
            'parentCollection': 'folder'
        })
        for subfolder in folders:
            self.remove(subfolder, progress=progress, **kwargs)
        folders.close()
コード例 #2
0
    def copyFolderComponents(self,
                             srcFolder,
                             newFolder,
                             creator,
                             progress,
                             firstFolder=None):
        """
        Copy the items, subfolders, and extended data of a folder that was just
        copied.

        :param srcFolder: the original folder.
        :type srcFolder: dict
        :param newFolder: the new folder.
        :type newFolder: dict
        :param creator: user representing the creator of the new folder.
        :type creator: dict
        :param progress: a progress context to record process on.
        :type progress: girder.utility.progress.ProgressContext or None.
        :param firstFolder: if not None, the first folder copied in a tree of
                            folders.
        :returns: the new folder document.
        """
        from .item import Item

        # copy metadata and other extension values
        if 'meta' in srcFolder:
            newFolder['meta'] = copy.deepcopy(srcFolder['meta'])
        filteredFolder = self.filter(newFolder, creator)
        for key in srcFolder:
            if key not in filteredFolder and key not in newFolder:
                newFolder[key] = copy.deepcopy(srcFolder[key])
        newFolder = self.save(newFolder, triggerEvents=False)
        # Give listeners a chance to change things
        events.trigger('model.folder.copy.prepare', (srcFolder, newFolder))
        # copy items
        itemModel = Item()
        for item in self.childItems(folder=srcFolder):
            setResponseTimeLimit()
            itemModel.copyItem(item, creator, folder=newFolder)
            if progress:
                progress.update(increment=1,
                                message='Copied item ' + item['name'])
        # copy subfolders
        for sub in self.childFolders(parentType='folder',
                                     parent=srcFolder,
                                     user=creator):
            if firstFolder and firstFolder['_id'] == sub['_id']:
                continue
            self.copyFolder(sub,
                            parent=newFolder,
                            parentType='folder',
                            creator=creator,
                            progress=progress)
        events.trigger('model.folder.copy.after', newFolder)
        if progress:
            progress.update(increment=1,
                            message='Copied folder ' + newFolder['name'])

        # Reload to get updated size value
        return self.load(newFolder['_id'], force=True)
コード例 #3
0
    def clean(self, folder, progress=None, **kwargs):
        """
        Delete all contents underneath a folder recursively, but leave the
        folder itself.

        :param folder: The folder document to delete.
        :type folder: dict
        :param progress: A progress context to record progress on.
        :type progress: girder.utility.progress.ProgressContext or None.
        """
        from .item import Item

        setResponseTimeLimit()
        # Delete all child items
        itemModel = Item()
        items = itemModel.find({'folderId': folder['_id']})
        for item in items:
            setResponseTimeLimit()
            itemModel.remove(item, progress=progress, **kwargs)
            if progress:
                progress.update(increment=1,
                                message='Deleted item %s' % item['name'])
        # subsequent operations take a long time, so free the cursor's resources
        items.close()

        # Delete all child folders
        folders = self.find({
            'parentId': folder['_id'],
            'parentCollection': 'folder'
        })
        for subfolder in folders:
            self.remove(subfolder, progress=progress, **kwargs)
        folders.close()
コード例 #4
0
ファイル: annotation.py プロジェクト: p829911/large_image
 def updateAnnotation(self, annotation, params):
     # Set the response time limit to a very long value
     setResponseTimeLimit(86400)
     user = self.getCurrentUser()
     item = Item().load(annotation.get('itemId'), force=True)
     if item is not None:
         Item().requireAccess(item, user=user, level=AccessType.WRITE)
     # If we have a content length, then we have replacement JSON.  If
     # elements are not included, don't replace them
     returnElements = True
     if cherrypy.request.body.length:
         oldElements = annotation.get('annotation', {}).get('elements')
         annotation['annotation'] = self.getBodyJson()
         if 'elements' not in annotation['annotation'] and oldElements:
             annotation['annotation']['elements'] = oldElements
             returnElements = False
     if params.get('itemId'):
         newitem = Item().load(params['itemId'], force=True)
         Item().requireAccess(newitem, user=user, level=AccessType.WRITE)
         annotation['itemId'] = newitem['_id']
     try:
         annotation = Annotation().updateAnnotation(annotation,
                                                    updateUser=user)
     except ValidationException as exc:
         logger.exception('Failed to validate annotation')
         raise RestException(
             "Validation Error: JSON doesn't follow schema (%r)." %
             (exc.args, ))
     if not returnElements and 'elements' in annotation['annotation']:
         del annotation['annotation']['elements']
     return annotation
コード例 #5
0
ファイル: __init__.py プロジェクト: girder/girder
    def makeDicomItem(self, item):
        """
        Try to convert an existing item into a "DICOM item", which contains a
        "dicomMeta" field with DICOM metadata that is common to all DICOM files.
        """
        metadataReference = None
        dicomFiles = []

        for file in Item().childFiles(item):
            dicomMeta = _parseFile(file)
            if dicomMeta is None:
                continue
            dicomFiles.append(_extractFileData(file, dicomMeta))

            metadataReference = (
                dicomMeta
                if metadataReference is None else
                _removeUniqueMetadata(metadataReference, dicomMeta)
            )

            setResponseTimeLimit()

        if dicomFiles:
            # Sort the dicom files
            dicomFiles.sort(key=_getDicomFileSortKey)
            # Store in the item
            item['dicom'] = {
                'meta': metadataReference,
                'files': dicomFiles
            }
            # Save the item
            Item().save(item)
コード例 #6
0
    def makeDicomItem(self, item):
        """
        Try to convert an existing item into a "DICOM item", which contains a
        "dicomMeta" field with DICOM metadata that is common to all DICOM files.
        """
        metadataReference = None
        dicomFiles = []

        for file in Item().childFiles(item):
            dicomMeta = _parseFile(file)
            if dicomMeta is None:
                continue
            dicomFiles.append(_extractFileData(file, dicomMeta))

            metadataReference = (dicomMeta if metadataReference is None
                                 else _removeUniqueMetadata(
                                     metadataReference, dicomMeta))

            setResponseTimeLimit()

        if dicomFiles:
            # Sort the dicom files
            dicomFiles.sort(key=_getDicomFileSortKey)
            # Store in the item
            item['dicom'] = {'meta': metadataReference, 'files': dicomFiles}
            # Save the item
            Item().save(item)
コード例 #7
0
ファイル: folder.py プロジェクト: adsorensen/girder
    def copyFolder(self, srcFolder, parent=None, name=None, description=None,
                   parentType=None, public=None, creator=None, progress=None,
                   firstFolder=None):
        """
        Copy a folder, including all child items and child folders.

        :param srcFolder: the folder to copy.
        :type srcFolder: dict
        :param parent: The parent document.  Must be a folder, user, or
                       collection.
        :type parent: dict
        :param name: The name of the new folder.  None to copy the original
                     name.
        :type name: str
        :param description: Description for the new folder.  None to copy the
                            original description.
        :type description: str
        :param parentType: What type the parent is:
                           ('folder' | 'user' | 'collection')
        :type parentType: str
        :param public: Public read access flag.  None to inherit from parent,
                       'original' to inherit from original folder.
        :type public: bool, None, or 'original'.
        :param creator: user representing the creator of the new folder.
        :type creator: dict
        :param progress: a progress context to record process on.
        :type progress: girder.utility.progress.ProgressContext or None.
        :param firstFolder: if not None, the first folder copied in a tree of
                            folders.
        :returns: the new folder document.
        """
        setResponseTimeLimit()
        if parentType is None:
            parentType = srcFolder['parentCollection']
        parentType = parentType.lower()
        if parentType not in ('folder', 'user', 'collection'):
            raise ValidationException('The parentType must be folder, '
                                      'collection, or user.')
        if parent is None:
            parent = self.model(parentType).load(srcFolder['parentId'],
                                                 force=True)
        if name is None:
            name = srcFolder['name']
        if description is None:
            description = srcFolder['description']
        if public is not None and isinstance(public, six.string_types):
            if public == 'original':
                public = srcFolder.get('public', None)
            else:
                public = public == 'true'
        newFolder = self.createFolder(
            parentType=parentType, parent=parent, name=name,
            description=description, public=public, creator=creator,
            allowRename=True)
        if firstFolder is None:
            firstFolder = newFolder
        return self.copyFolderComponents(
            srcFolder, newFolder, creator, progress, firstFolder)
コード例 #8
0
ファイル: annotation.py プロジェクト: girder/large_image
 def deleteAnnotation(self, annotation, params):
     # Ensure that we have write access to the parent item
     item = Item().load(annotation.get('itemId'), force=True)
     if item is not None:
         Item().requireAccess(item,
                              user=self.getCurrentUser(),
                              level=AccessType.WRITE)
     setResponseTimeLimit(86400)
     Annotation().remove(annotation)
コード例 #9
0
ファイル: folder.py プロジェクト: ShenQianwithC/girder-pv
    def copyFolder(self, srcFolder, parent=None, name=None, description=None,
                   parentType=None, public=None, creator=None, progress=None,
                   firstFolder=None):
        """
        Copy a folder, including all child items and child folders.

        :param srcFolder: the folder to copy.
        :type srcFolder: dict
        :param parent: The parent document.  Must be a folder, user, or
                       collection.
        :type parent: dict
        :param name: The name of the new folder.  None to copy the original
                     name.
        :type name: str
        :param description: Description for the new folder.  None to copy the
                            original description.
        :type description: str
        :param parentType: What type the parent is:
                           ('folder' | 'user' | 'collection')
        :type parentType: str
        :param public: Public read access flag.  None to inherit from parent,
                       'original' to inherit from original folder.
        :type public: bool, None, or 'original'.
        :param creator: user representing the creator of the new folder.
        :type creator: dict
        :param progress: a progress context to record process on.
        :type progress: girder.utility.progress.ProgressContext or None.
        :param firstFolder: if not None, the first folder copied in a tree of
                            folders.
        :returns: the new folder document.
        """
        setResponseTimeLimit()
        if parentType is None:
            parentType = srcFolder['parentCollection']
        parentType = parentType.lower()
        if parentType not in ('folder', 'user', 'collection'):
            raise ValidationException('The parentType must be folder, '
                                      'collection, or user.')
        if parent is None:
            parent = self.model(parentType).load(srcFolder['parentId'], force=True)
        if name is None:
            name = srcFolder['name']
        if description is None:
            description = srcFolder['description']
        if public is not None and isinstance(public, six.string_types):
            if public == 'original':
                public = srcFolder.get('public', None)
            else:
                public = public == 'true'
        newFolder = self.createFolder(
            parentType=parentType, parent=parent, name=name,
            description=description, public=public, creator=creator,
            allowRename=True)
        if firstFolder is None:
            firstFolder = newFolder
        return self.copyFolderComponents(
            srcFolder, newFolder, creator, progress, firstFolder)
コード例 #10
0
ファイル: annotation.py プロジェクト: girder/large_image
 def revertAnnotationHistory(self, id, version):
     setResponseTimeLimit(86400)
     annotation = Annotation().revertVersion(id, version,
                                             self.getCurrentUser())
     if not annotation:
         raise RestException('Annotation history version not found.')
     # Don't return the elements -- it can be too verbose
     if 'elements' in annotation['annotation']:
         del annotation['annotation']['elements']
     return annotation
コード例 #11
0
ファイル: folder.py プロジェクト: girder/girder
    def copyFolderComponents(self, srcFolder, newFolder, creator, progress,
                             firstFolder=None):
        """
        Copy the items, subfolders, and extended data of a folder that was just
        copied.

        :param srcFolder: the original folder.
        :type srcFolder: dict
        :param newFolder: the new folder.
        :type newFolder: dict
        :param creator: user representing the creator of the new folder.
        :type creator: dict
        :param progress: a progress context to record process on.
        :type progress: girder.utility.progress.ProgressContext or None.
        :param firstFolder: if not None, the first folder copied in a tree of
                            folders.
        :returns: the new folder document.
        """
        from .item import Item

        # copy metadata and other extension values
        updated = False
        if srcFolder['meta']:
            newFolder['meta'] = copy.deepcopy(srcFolder['meta'])
            updated = True

        filteredFolder = self.filter(newFolder, creator)
        for key in srcFolder:
            if key not in filteredFolder and key not in newFolder:
                newFolder[key] = copy.deepcopy(srcFolder[key])
                updated = True
        if updated:
            newFolder = self.save(newFolder, triggerEvents=False)
        # Give listeners a chance to change things
        events.trigger('model.folder.copy.prepare', (srcFolder, newFolder))
        # copy items
        itemModel = Item()
        for item in self.childItems(folder=srcFolder):
            setResponseTimeLimit()
            itemModel.copyItem(item, creator, folder=newFolder)
            if progress:
                progress.update(increment=1, message='Copied item ' + item['name'])
        # copy subfolders
        for sub in self.childFolders(parentType='folder', parent=srcFolder, user=creator):
            if firstFolder and firstFolder['_id'] == sub['_id']:
                continue
            self.copyFolder(sub, parent=newFolder, parentType='folder',
                            creator=creator, progress=progress)
        events.trigger('model.folder.copy.after', newFolder)
        if progress:
            progress.update(increment=1, message='Copied folder ' + newFolder['name'])

        # Reload to get updated size value
        return self.load(newFolder['_id'], force=True)
コード例 #12
0
ファイル: annotation.py プロジェクト: girder/large_image
    def deleteItemAnnotations(self, item):
        setResponseTimeLimit(86400)
        user = self.getCurrentUser()
        query = {'_active': {'$ne': False}, 'itemId': item['_id']}

        count = 0
        for annotation in Annotation().find(query, limit=0, sort=[('_id', 1)]):
            annot = Annotation().load(annotation['_id'],
                                      user=user,
                                      getElements=False)
            if annot:
                Annotation().remove(annot)
                count += 1
        return count
コード例 #13
0
ファイル: folder.py プロジェクト: chrismattmann/girder
    def remove(self, folder, progress=None, **kwargs):
        """
        Delete a folder recursively.

        :param folder: The folder document to delete.
        :type folder: dict
        :param progress: A progress context to record progress on.
        :type progress: girder.utility.progress.ProgressContext or None.
        """
        setResponseTimeLimit()
        # Delete all child items
        items = self.model('item').find({
            'folderId': folder['_id']
        })
        for item in items:
            setResponseTimeLimit()
            self.model('item').remove(item, progress=progress, **kwargs)
            if progress:
                progress.update(increment=1, message='Deleted item ' +
                                item['name'])
        # subsequent operations take a long time, so free the cursor's resources
        items.close()

        # Delete all child folders
        folders = self.find({
            'parentId': folder['_id'],
            'parentCollection': 'folder'
        })
        for subfolder in folders:
            self.remove(subfolder, progress=progress, **kwargs)
        folders.close()

        # Delete pending uploads into this folder
        uploads = self.model('upload').find({
            'parentId': folder['_id'],
            'parentType': 'folder'
        })
        for upload in uploads:
            self.model('upload').remove(upload, progress=progress, **kwargs)
        uploads.close()

        # Delete this folder
        AccessControlledModel.remove(self, folder, progress=progress, **kwargs)
        if progress:
            progress.update(increment=1, message='Deleted folder ' +
                            folder['name'])
コード例 #14
0
def makeDicomItem(self, item):
    """
    Try to convert an existing item into a "DICOM item", which contains a
    "dicomMeta" field with DICOM metadata that is common to all DICOM files.
    """
    metadataReference = None
    dicomFiles = []

    lastFile = None
    for file in Item().childFiles(item):
        lastFile = file
        dicomMeta = _parseFile(file)
        if dicomMeta:
            dicomFiles.append(_extractFileData(file, dicomMeta))
            metadataReference = (dicomMeta if metadataReference is None
                                 else _removeUniqueMetadata(
                                     metadataReference, dicomMeta))
        setResponseTimeLimit()

    if not dicomFiles and lastFile is not None and hasattr(
            File(), 'archiveList'):
        try:
            for path in File().archiveList(lastFile)['names']:
                dicomMeta = _parseFile(lastFile, path)
                if dicomMeta:
                    dicomFiles.append(
                        _extractFileData(lastFile, dicomMeta, path))
                    metadataReference = (dicomMeta if metadataReference is None
                                         else _removeUniqueMetadata(
                                             metadataReference, dicomMeta))
                setResponseTimeLimit()
        except GirderException:
            pass

    if dicomFiles:
        # Sort the dicom files
        dicomFiles.sort(key=_getDicomFileSortKey)
        # Store in the item
        item['dicom'] = {'meta': metadataReference, 'files': dicomFiles}
        # Save the item
        Item().save(item)
コード例 #15
0
ファイル: __init__.py プロジェクト: girder/demo_site
    def deleteExpired(self):
        cursor = Folder().find({'isPhotomorph': True})
        now = datetime.datetime.utcnow()
        emailExp = datetime.timedelta(days=DAYS_UNTIL_EMAIL)
        dataExp = datetime.timedelta(days=DAYS_UNTIL_DELETION)

        for folder in cursor:
            setResponseTimeLimit()
            if folder['created'] + dataExp < now:
                logger.info('Delete timelapse %s (uid=%s)' %
                            (folder['name'], folder['creatorId']))
                Folder().remove(folder)
            elif not folder.get('timelapseEmailSent'
                                ) and folder['created'] + emailExp < now:
                try:
                    user = User().load(folder['creatorId'],
                                       force=True,
                                       exc=True)
                    text = renderTemplate(
                        'timelapse.deletePending.mako',
                        params={
                            'folder':
                            folder,
                            'days':
                            DAYS_UNTIL_DELETION,
                            'url':
                            getEmailUrlPrefix() + '#timelapse',
                            'deletionDate':
                            (folder['created'] + dataExp).strftime(DATE_FMT)
                        })
                    sendMail(DELETE_SUBJECT, text, [user['email']])
                    Folder().update({'_id': folder['_id']},
                                    {'$set': {
                                        'timelapseEmailSent': True
                                    }},
                                    multi=False)
                except Exception:
                    logger.exception('Error sending email for folder: %s' %
                                     folder['_id'])
コード例 #16
0
ファイル: item.py プロジェクト: vovythevov/girder
    def checkConsistency(self, stage, progress=None):
        """
        Check all of the items and make sure they are valid.  This operates in
        stages, since some actions should be done before other models that rely
        on items and some need to be done after.  The stages are:
        * count - count how many items need to be checked.
        * remove - remove lost items
        * verify - verify and fix existing items

        :param stage: which stage of the check to run.  See above.
        :param progress: an optional progress context to update.
        :returns: numItems: number of items to check or processed,
                  numChanged: number of items changed.
        """
        if stage == 'count':
            numItems = self.find(limit=1).count()
            return numItems, 0
        elif stage == 'remove':
            # Check that all items are in existing folders.  Any that are not
            # can be deleted.  Perhaps we should put them in a lost+found
            # instead
            folderIds = self.model('folder').collection.distinct('_id')
            lostItems = self.find({
                '$or': [{'folderId': {'$nin': folderIds}},
                        {'folderId': {'$exists': False}}]})
            numItems = itemsLeft = lostItems.count()
            if numItems:
                if progress is not None:
                    progress.update(message='Removing orphaned items')
                for item in lostItems:
                    setResponseTimeLimit()
                    self.collection.delete_one({'_id': item['_id']})
                    if progress is not None:
                        itemsLeft -= 1
                        progress.update(increment=1, message='Removing '
                                        'orphaned items (%d left)' % itemsLeft)
            return numItems, numItems
        elif stage == 'verify':
            # Check items sizes
            items = self.find()
            numItems = itemsLeft = items.count()
            itemsCorrected = 0
            if progress is not None:
                progress.update(message='Checking items')
            for item in items:
                itemCorrected = False
                setResponseTimeLimit()
                oldSize = item.get('size', 0)
                newSize = self.recalculateSize(item)
                if newSize != oldSize:
                    itemCorrected = True
                newBaseParent = self.parentsToRoot(item, force=True)[0]
                if item['baseParentType'] != newBaseParent['type'] or \
                   item['baseParentId'] != newBaseParent['object']['_id']:
                    self.update(
                        {'_id': item['_id']}, update={'$set': {
                            'baseParentType': newBaseParent['type'],
                            'baseParentId': newBaseParent['object']['_id']
                        }})
                    itemCorrected = True
                if itemCorrected:
                    itemsCorrected += 1
                if progress is not None:
                    itemsLeft -= 1
                    progress.update(increment=1, message='Checking items (%d '
                                    'left)' % itemsLeft)
            return numItems, itemsCorrected
コード例 #17
0
ファイル: tiles.py プロジェクト: abcsFrederick/larger_image
    def getTilesRegion(self, item, params):

        _adjustParams(params)
        params = self._parseParams(params, True, [
            ('left', float, 'region', 'left'),
            ('top', float, 'region', 'top'),
            ('right', float, 'region', 'right'),
            ('bottom', float, 'region', 'bottom'),
            ('regionWidth', float, 'region', 'width'),
            ('regionHeight', float, 'region', 'height'),
            ('units', str, 'region', 'units'),
            ('unitsWH', str, 'region', 'unitsWH'),
            ('width', int, 'output', 'maxWidth'),
            ('height', int, 'output', 'maxHeight'),
            ('fill', str),
            ('magnification', float, 'scale', 'magnification'),
            ('mm_x', float, 'scale', 'mm_x'),
            ('mm_y', float, 'scale', 'mm_y'),
            ('exact', bool, 'scale', 'exact'),
            ('frame', int),
            ('encoding', str),
            ('jpegQuality', int),
            ('jpegSubsampling', int),
            ('tiffCompression', str),
            ('style', str),
            ('resample', 'boolOrInt'),
            ('contentDisposition', str),
            ('contentDispositionFileName', str)
        ])
        _handleETag('getTilesRegion', item, params)
        setResponseTimeLimit(86400)
        try:
            regionData, regionMime = self.imageItemModel.getRegion(
                item, **params)
        except TileGeneralException as e:
            raise RestException(e.args[0])
        except ValueError as e:
            raise RestException('Value Error: %s' % e.args[0])

        subname = str(int(params.get('region')['left'])) + ',' + str(int(params.get('region')['top']))

        self._setContentDisposition(
            item, params.get('contentDisposition'), regionMime, subname,
            params.get('contentDispositionFilename'))
        setResponseHeader('Content-Type', regionMime)

        if isinstance(regionData, pathlib.Path):
            BUF_SIZE = 65536

            def stream():
                try:
                    with regionData.open('rb') as f:
                        while True:
                            data = f.read(BUF_SIZE)
                            if not data:
                                break
                            yield data
                finally:
                    regionData.unlink()
            return stream
        setRawResponse()
        return regionData
コード例 #18
0
ファイル: annotation.py プロジェクト: p829911/large_image
    def _getAnnotation(self, user, id, params):
        """
        Get a generator function that will yield the json of an annotation.

        :param user: the user that needs read access on the annoation and its
            parent item.
        :param id: the annotation id.
        :param params: paging and region parameters for the annotation.
        :returns: a function that will return a generator.
        """
        # Set the response time limit to a very long value
        setResponseTimeLimit(86400)
        annotation = Annotation().load(id,
                                       region=params,
                                       user=user,
                                       level=AccessType.READ,
                                       getElements=False)
        if annotation is None:
            raise RestException('Annotation not found', 404)
        # Ensure that we have read access to the parent item.  We could fail
        # faster when there are permissions issues if we didn't load the
        # annotation elements before checking the item access permissions.
        #  This had been done via the filtermodel decorator, but that doesn't
        # work with yielding the elements one at a time.
        annotation = Annotation().filter(annotation, self.getCurrentUser())

        annotation['annotation']['elements'] = []
        breakStr = b'"elements": ['
        base = json.dumps(annotation,
                          sort_keys=True,
                          allow_nan=False,
                          cls=JsonEncoder).encode('utf8').split(breakStr)
        centroids = str(params.get('centroids')).lower() == 'true'

        def generateResult():
            info = {}
            idx = 0
            yield base[0]
            yield breakStr
            collect = []
            if centroids:
                # Add a null byte to indicate the start of the binary data
                yield b'\x00'
            for element in Annotationelement().yieldElements(
                    annotation, params, info):
                # The json conversion is fastest if we use defaults as much as
                # possible.  The only value in an annotation element that needs
                # special handling is the id, so cast that ourselves and then
                # use a json encoder in the most compact form.
                if isinstance(element, dict):
                    element['id'] = str(element['id'])
                else:
                    element = struct.pack('>QL', int(element[0][:16], 16),
                                          int(element[0][16:24],
                                              16)) + struct.pack(
                                                  '<fffl', *element[1:])
                # Use ujson; it is much faster.  The standard json library
                # could be used in its most default mode instead like so:
                #   result = json.dumps(element, separators=(',', ':'))
                # Collect multiple elements before emitting them.  This
                # balances using less memoryand streaming right away with
                # efficiency in dumping the json.  Experimentally, 100 is
                # significantly faster than 10 and not much slower than 1000.
                collect.append(element)
                if len(collect) >= 100:
                    if isinstance(collect[0], dict):
                        yield (b',' if idx else
                               b'') + ujson.dumps(collect).encode('utf8')[1:-1]
                    else:
                        yield b''.join(collect)
                    idx += 1
                    collect = []
            if len(collect):
                if isinstance(collect[0], dict):
                    yield (b',' if idx else
                           b'') + ujson.dumps(collect).encode('utf8')[1:-1]
                else:
                    yield b''.join(collect)
            if centroids:
                # Add a final null byte to indicate the end of the binary data
                yield b'\x00'
            yield base[1].rstrip().rstrip(b'}')
            yield b', "_elementQuery": '
            yield json.dumps(info,
                             sort_keys=True,
                             allow_nan=False,
                             cls=JsonEncoder).encode('utf8')
            yield b'}'

        if centroids:
            setResponseHeader('Content-Type', 'application/octet-stream')
        else:
            setResponseHeader('Content-Type', 'application/json')
        return generateResult
コード例 #19
0
ファイル: annotation.py プロジェクト: p829911/large_image
 def deleteOldAnnotations(self, age, versions):
     setResponseTimeLimit(86400)
     return Annotation().removeOldAnnotations(True, age, versions)
コード例 #20
0
ファイル: annotation.py プロジェクト: p829911/large_image
 def getOldAnnotations(self, age, versions):
     setResponseTimeLimit(86400)
     return Annotation().removeOldAnnotations(False, age, versions)