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common_dandi.py

DandiPath

Bases: SpyglassMixin, Manual

Source code in src/spyglass/common/common_dandi.py 
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@schema
class DandiPath(SpyglassMixin, dj.Manual):
    definition = """
    -> Export.File
    ---
    dandiset_id: varchar(16)
    filename: varchar(255)
    dandi_path: varchar(255)
    dandi_instance = "dandi": varchar(32)
    """

    def fetch_file_from_dandi(self, key: dict):
        dandiset_id, dandi_path, dandi_instance = (self & key).fetch1(
            "dandiset_id", "dandi_path", "dandi_instance"
        )
        dandiset_id = str(dandiset_id)
        # get the s3 url from Dandi
        with DandiAPIClient(
            dandi_instance=known_instances[dandi_instance],
        ) as client:
            asset = client.get_dandiset(dandiset_id).get_asset_by_path(
                dandi_path
            )
            s3_url = asset.get_content_url(follow_redirects=1, strip_query=True)

        # stream the file from s3
        # first, create a virtual filesystem based on the http protocol
        fs = fsspec.filesystem("http")

        # create a cache to save downloaded data to disk (optional)
        fsspec_file = CachingFileSystem(
            fs=fs,
            cache_storage=f"{export_dir}/nwb-cache",  # Local folder for the cache
        )

        # Open and return the file
        fs_file = fsspec_file.open(s3_url, "rb")
        io = pynwb.NWBHDF5IO(file=h5py.File(fs_file))
        nwbfile = io.read()
        return (io, nwbfile)

    def compile_dandiset(
        self,
        key: dict,
        dandiset_id: str,
        dandi_api_key: str = None,
        dandi_instance: str = "dandi",
    ):
        """Compile a Dandiset from the export.
        Parameters
        ----------
        key : dict
            ExportSelection key
        dandiset_id : str
            Dandiset ID generated by the user on the dadndi server
        dandi_api_key : str, optional
            API key for the dandi server. Optional if the environment variable
            DANDI_API_KEY is set.
        dandi_instance : What instance of Dandi the dandiset is on. Defaults to the dev server
        """
        key = (Export & key).fetch1("KEY")
        paper_id = (Export & key).fetch1("paper_id")
        if self & key:
            raise ValueError(
                "Adding new files to an existing dandiset is not permitted. "
                + f"Please rerun after deleting existing entries for {key}"
            )

        # make a temp dir with symbolic links to the export files
        source_files = (Export.File() & key).fetch("file_path")
        paper_dir = f"{export_dir}/{paper_id}"
        os.makedirs(paper_dir, exist_ok=True)
        destination_dir = f"{paper_dir}/dandiset_{paper_id}"
        dandiset_dir = f"{paper_dir}/{dandiset_id}"

        # check if pre-existing directories for dandi export exist. Remove if so to continue
        for dandi_dir in destination_dir, dandiset_dir:
            if os.path.exists(dandi_dir):
                from datajoint.utils import user_choice

                if (
                    user_choice(
                        "Pre-existing dandi export dir exist."
                        + f"Delete existing export folder: {dandi_dir}",
                        default="no",
                    )
                    == "yes"
                ):
                    shutil.rmtree(dandi_dir)
                    continue
                raise RuntimeError(
                    f"Directory must be removed prior to dandi export to ensure dandi-compatability: {dandi_dir}"
                )

        os.makedirs(destination_dir, exist_ok=False)
        for file in source_files:
            if not os.path.exists(
                f"{destination_dir}/{os.path.basename(file)}"
            ):
                os.symlink(file, f"{destination_dir}/{os.path.basename(file)}")

        # validate the dandiset
        validate_dandiset(destination_dir, ignore_external_files=True)

        # given dandiset_id, download the dandiset to the export_dir
        url = f"{known_instances[dandi_instance].gui}/dandiset/{dandiset_id}/draft"
        dandi.download.download(url, output_dir=paper_dir)

        # organize the files in the dandiset directory
        dandi.organize.organize(
            destination_dir, dandiset_dir, invalid=OrganizeInvalid.WARN
        )

        # get the dandi name translations
        translations = translate_name_to_dandi(destination_dir)

        # upload the dandiset to the dandi server
        if dandi_api_key:
            os.environ["DANDI_API_KEY"] = dandi_api_key
        dandi.upload.upload(
            [dandiset_dir],
            dandi_instance=dandi_instance,
        )
        logger.info(f"Dandiset {dandiset_id} uploaded")
        # insert the translations into the dandi table
        translations = [
            {
                **(
                    Export.File() & key & f"file_path LIKE '%{t['filename']}'"
                ).fetch1(),
                **t,
                "dandiset_id": dandiset_id,
                "dandi_instance": dandi_instance,
            }
            for t in translations
        ]
        self.insert(translations, ignore_extra_fields=True)

compile_dandiset(key, dandiset_id, dandi_api_key=None, dandi_instance='dandi')

Compile a Dandiset from the export.

Parameters:

Name Type Description Default
key dict

ExportSelection key

 required
dandiset_id str

Dandiset ID generated by the user on the dadndi server

 required
dandi_api_key str

API key for the dandi server. Optional if the environment variable DANDI_API_KEY is set.

 None
dandi_instance What instance of Dandi the dandiset is on. Defaults to the dev server
'dandi'
Source code in src/spyglass/common/common_dandi.py 
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def compile_dandiset(
    self,
    key: dict,
    dandiset_id: str,
    dandi_api_key: str = None,
    dandi_instance: str = "dandi",
):
    """Compile a Dandiset from the export.
    Parameters
    ----------
    key : dict
        ExportSelection key
    dandiset_id : str
        Dandiset ID generated by the user on the dadndi server
    dandi_api_key : str, optional
        API key for the dandi server. Optional if the environment variable
        DANDI_API_KEY is set.
    dandi_instance : What instance of Dandi the dandiset is on. Defaults to the dev server
    """
    key = (Export & key).fetch1("KEY")
    paper_id = (Export & key).fetch1("paper_id")
    if self & key:
        raise ValueError(
            "Adding new files to an existing dandiset is not permitted. "
            + f"Please rerun after deleting existing entries for {key}"
        )

    # make a temp dir with symbolic links to the export files
    source_files = (Export.File() & key).fetch("file_path")
    paper_dir = f"{export_dir}/{paper_id}"
    os.makedirs(paper_dir, exist_ok=True)
    destination_dir = f"{paper_dir}/dandiset_{paper_id}"
    dandiset_dir = f"{paper_dir}/{dandiset_id}"

    # check if pre-existing directories for dandi export exist. Remove if so to continue
    for dandi_dir in destination_dir, dandiset_dir:
        if os.path.exists(dandi_dir):
            from datajoint.utils import user_choice

            if (
                user_choice(
                    "Pre-existing dandi export dir exist."
                    + f"Delete existing export folder: {dandi_dir}",
                    default="no",
                )
                == "yes"
            ):
                shutil.rmtree(dandi_dir)
                continue
            raise RuntimeError(
                f"Directory must be removed prior to dandi export to ensure dandi-compatability: {dandi_dir}"
            )

    os.makedirs(destination_dir, exist_ok=False)
    for file in source_files:
        if not os.path.exists(
            f"{destination_dir}/{os.path.basename(file)}"
        ):
            os.symlink(file, f"{destination_dir}/{os.path.basename(file)}")

    # validate the dandiset
    validate_dandiset(destination_dir, ignore_external_files=True)

    # given dandiset_id, download the dandiset to the export_dir
    url = f"{known_instances[dandi_instance].gui}/dandiset/{dandiset_id}/draft"
    dandi.download.download(url, output_dir=paper_dir)

    # organize the files in the dandiset directory
    dandi.organize.organize(
        destination_dir, dandiset_dir, invalid=OrganizeInvalid.WARN
    )

    # get the dandi name translations
    translations = translate_name_to_dandi(destination_dir)

    # upload the dandiset to the dandi server
    if dandi_api_key:
        os.environ["DANDI_API_KEY"] = dandi_api_key
    dandi.upload.upload(
        [dandiset_dir],
        dandi_instance=dandi_instance,
    )
    logger.info(f"Dandiset {dandiset_id} uploaded")
    # insert the translations into the dandi table
    translations = [
        {
            **(
                Export.File() & key & f"file_path LIKE '%{t['filename']}'"
            ).fetch1(),
            **t,
            "dandiset_id": dandiset_id,
            "dandi_instance": dandi_instance,
        }
        for t in translations
    ]
    self.insert(translations, ignore_extra_fields=True)

translate_name_to_dandi(folder)

Uses dandi.organize to translate filenames to dandi paths

Note The name for a given file is dependent on that of all files in the folder

Parameters:

Name Type Description Default
folder str

location of files to be translated

 required

Returns:

Type Description
dict

dictionary of filename to dandi_path translations
Source code in src/spyglass/common/common_dandi.py 
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def translate_name_to_dandi(folder):
    """Uses dandi.organize to translate filenames to dandi paths

    *Note* The name for a given file is dependent on that of all files in the folder

    Parameters
    ----------
    folder : str
        location of files to be translated

    Returns
    -------
    dict
        dictionary of filename to dandi_path translations
    """
    files = Path(folder).glob("*")
    metadata = list(map(_get_metadata, files))
    metadata, skip_invalid = dandi.organize.filter_invalid_metadata_rows(
        metadata
    )
    metadata = dandi.organize.create_unique_filenames_from_metadata(
        metadata, required_fields=None
    )
    return [
        {"filename": Path(file["path"]).name, "dandi_path": file["dandi_path"]}
        for file in metadata
    ]

validate_dandiset(folder, min_severity='ERROR', ignore_external_files=False)

Validate the dandiset directory

Parameters:

Name Type Description Default
folder str

location of dandiset to be validated

 required
min_severity str

minimum severity level for errors to be reported, threshold for failed Dandi upload is "ERROR"

 'ERROR'
ignore_external_files bool

whether to ignore external file errors. Used if validating before the organize step

 False
Source code in src/spyglass/common/common_dandi.py 
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def validate_dandiset(
    folder, min_severity="ERROR", ignore_external_files=False
):
    """Validate the dandiset directory

    Parameters
    ----------
    folder : str
        location of dandiset to be validated
    min_severity : str
        minimum severity level for errors to be reported, threshold for failed Dandi upload is "ERROR"
    ignore_external_files : bool
        whether to ignore external file errors. Used if validating
        before the organize step
    """
    validator_result = dandi.validate.validate(folder)
    min_severity_value = Severity[min_severity].value

    filtered_results = [
        i
        for i in validator_result
        if i.severity is not None and i.severity.value >= min_severity_value
    ]

    if ignore_external_files:
        # ignore external file errors. will be resolved during organize step
        filtered_results = [
            i
            for i in filtered_results
            if not i.message.startswith("Path is not inside")
        ]

    if filtered_results:
        raise ValueError(
            "Validation failed\n\t"
            + "\n\t".join(
                [
                    f"{result.severity}: {result.message} in {result.path}"
                    for result in filtered_results
                ]
            )
        )