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Scientific Catalog Tools

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Scicat Dataset Ingestor

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The scingestor python package provides a support for scripts which ingest Datasets and OrigDatablocks into the SciCat metadata server.

scicat_dataset_ingestor

SciCat Dataset ingestor server ingests scan metadata just after a scan is finished. It can be executed by

scicat_dataset_ingestor -c ~/.scingestor.yaml

Configuration variables

The configuration written in YAML can contain the following variables

  • scicat_url (str) , default: "http://localhost:3000/api/v3"
  • ingestor_credential_file (str) , default: None
  • beamtime_dirs (list<str>) , default: []
  • beamtime_base_dir (str) , default: ""
  • ingestor_var_dir (str) , default: ""
  • ingestor_username (str) , default: "ingestor"
  • dataset_pid_prefix (str) , default: ""
  • dataset_update_strategy ("no", "patch", "create", "mixed") , default: "patch"
  • relative_path_in_datablock (bool) , default: False
  • scandir_blacklist (list<str>) , default: ["/gpfs/current/scratch_bl", "/gpfs/current/processed", "/gpfs/current/shared"]
  • beamtimeid_blacklist_file (str) , default: None
  • beamtime_type_blacklist (list<str>) , default: ["P"]
  • chmod_json_files (str) , default: None
  • max_scandir_depth (int), default: -1
  • oned_in_metadata (bool) , default: False
  • max_oned_size (int) , default: None
  • scan_metadata_postfix (str) , default: ".scan.json"
  • datablock_metadata_postfix (str) , default: ".origdatablock.json"
  • attachment_metadata_postfix (str) , default: ".attachment.json"
  • metadata_in_var_dir (bool) , default: False
  • use_corepath_as_scandir (bool) , default: False
  • beamtime_filename_postfix (str) , default: "beamtime-metadata-"
  • beamtime_filename_prefix (str) , default: ".json"
  • datasets_filename_pattern (str) , default: "scicat-datasets-{beamtimeid}.lst"
  • ingested_datasets_filename_pattern (str) , default: "scicat-ingested-datasets-{beamtimeid}.lst"
  • file_dataset_metadata_generator (str) , default: "nxsfileinfo metadata -k4 -o {metapath}/{scanname}{scanpostfix} -b {beamtimefile} -p {beamtimeid}/{scanname} -w {ownergroup} -c {accessgroups} {mastefile}"
  • dataset_metadata_generator (str) , default: "nxsfileinfo metadata -k4 -o {metapath}/{scanname}{scanpostfix} -c {accessgroups} -w {ownergroup} -b {beamtimefile} -p {beamtimeid}/{scanname}"
  • datablock_metadata_generator (str) , default: "nxsfileinfo origdatablock -s *.pyc,*{datablockpostfix},*{scanpostfix},*~ -p {pidprefix}{beamtimeid}/{scanname} -w {ownergroup} -c {accessgroups} -o {metapath}/{scanname}{datablockpostfix} "
  • datablock_metadata_stream_generator (str) , default: "nxsfileinfo origdatablock -s *.pyc,*{datablockpostfix},*{scanpostfix},*~ -w {ownergroup} -c {accessgroups} -p {pidprefix}{beamtimeid}/{scanname} "
  • datablock_metadata_generator_scanpath_postfix (str) , default: " {scanpath}/{scanname} "
  • attachment_metadata_generator (str) , default: "nxsfileinfo attachment -w {ownergroup} -c {accessgroups} -o {metapath}/{scanname}{attachmentpostfix} {plotfile} "
  • metadata_generated_callback (str) , default: "nxsfileinfo groupmetadata {lastmeasurement} -m {metapath}/{scanname}{scanpostfix} -d {metapath}/{scanname}{datablockpostfix} -a {metapath}/{scanname}{attachmentpostfix} -p {beamtimeid}/{lastmeasurement} -f -k4 "
  • metadata_group_map_file (str) , default: ""
  • raw_metadata_callback (bool) , default: False
  • skip_multi_datablock_ingestion (bool) , default: False
  • skip_multi_attachment_ingestion (bool) , default: False
  • skip_scan_dataset_ingestion (bool) , default: False
  • call_metadata_generated_callback (bool) , default: False
  • metadata_group_map_file_generator_switch (str) , default: " --group-map-file {groupmapfile} "
  • raw_metadata_callback_switch (str) , default: " --raw "
  • execute_commands (bool) , default: False
  • plot_file_extension_list (list<str>) , default: ["png", "nxs", "h5", "ndf", "nx", "fio"]
  • master_file_extension_list (list<str>) , default: ["nxs", "h5", "ndf", "nx", "fio"]
  • chmod_generator_switch (str) , default: " -x {chmod} "
  • relative_path_generator_switch (str) , default: " -r {relpath} "
  • oned_dataset_generator_switch (str) , default: " --oned "
  • max_oned_dataset_generator_switch (str) , default: " --max-oned-size {maxonedsize} "
  • override_attachment_signals_generator_switch (bool) , default: " --override "
  • hidden_attributes_generator_switch (str) , default: " -n {hiddenattributes} "
  • hidden_attributes (str) , default: "nexdatas_source,nexdatas_strategy,units"
  • attachment_signals_generator_switch (str) , default: " -s {signals} "
  • attachment_axes_generator_switch (str) , default: " -e {axes} "
  • attachment_frame_generator_switch (str) , default: " -m {frame} "
  • attachment_signal_names (str) , default: ""
  • attachment_axes_names (str) , default: ""
  • attachment_image_frame_number (str) , default: ""
  • ingest_dataset_attachment (bool) , default: False
  • override_attachment_signals (bool) , default:False
  • retry_failed_dataset_ingestion (bool) , default:False
  • retry_failed_attachement_ingestion (bool) , default:False
  • log_generator_commands (bool) , default: False
  • add_empty_units_generator_switch (str) , default: " --add-empty-units "
  • add_empty_units (bool) , default: True
  • metadata_copy_map_file (str) , default: None
  • metadata_copy_map_file_generator_switch (str) , default: " --copy-map-file {copymapfile} "
  • inotify_timeout (float) , default: 0.1
  • get_event_timeout (float) , default: 0.01
  • ingestion_delay_time (float) , default: 5.0
  • max_request_tries_number (int) , default: 100
  • recheck_dataset_list_interval (int) , default: 1000
  • recheck_beamtime_file_interval (int) , default: 1000
  • request_headers (dict<str,str>) , default: {"Content-Type": "application/json", "Accept": "application/json"}
  • scicat_datasets_path (str) , default: "Datasets"
  • scicat_proposals_path (str) , default: "Proposals"
  • scicat_datablocks_path (str), default: "OrigDatablocks"
  • scicat_attachments_path (str), default: "Datasets/{pid}/Attachments"
  • scicat_users_login_path (str), default: "Users/login"
  • owner_access_groups_from_proposal (bool), default: False
  • metadata_keywords_without_checks (list<str>), default: ["techniques", "classification", "createdBy", "updatedBy", "datasetlifecycle", "numberOfFiles", "size", "createdAt", "updatedAt", "history", "creationTime", "version", "scientificMetadata", "endTime"]

e.g.

beamtime_dirs:
  - "{homepath}/gpfs/current"
  - "{homepath}/gpfs/commissioning"
scicat_url: http://localhost:3000/api/v3
ingestor_credential_file: "{homepath}/gpfs/pwd"

Pattern keywords for configuration variables

The datasets_filename_pattern, ingested_datasets_filename_pattern and ingestor_var_dir can contain the {beamtimeid} and {hostname} keywords, e.g. "scicat-ingested-datasets-{beamtimeid}.lst" or "scicat-ingested-datasets-{hostname}-{beamtimeid}.lst" which is instantiated during the ingestor execution.

The beamtime_dirs, beamtime_base_dir, ingestor_var_dir, ingestor_credential_file, scandir_blacklist can contain the {homepath} keyword.

Similarly, file_dataset_metadata_generator, dataset_metadata_generator, datablock_metadata_generator, datablock_metadata_stream_generator, datablock_metadata_generator_scanpath_postfix, attachment_metadata_generator, chmod_generator_switch, relative_path_generator_switch can contain the following keywords: {beamtimeid} , {scanname}, {chmod}, {scanpath}, {metapath}, {relpath}, {beamtimeid}, {beamline}, {pidprefix}, {beamtimefile}, {scanpostfix}, {datablockpostfix}, {ownergroup}, {accessgroups}, {hostname}, {homepath}, {hiddenattributes}, {ext}, "{masterfile}", "{plotfile}"

The "{masterfile}" is either equal to "{scanpath}/{scanname}.{ext}" or "{scanpath}/{scanname}/{scanname}.{ext}". Also the "{plotfile}" is either equal to "{scanpath}/{scanname}.{plotext}" or "{scanpath}/{scanname}/{scanname}.{plotext}".

scicat_dataset_ingest

Re-ingestion script for SciCat Datasets and OrigDatablocks is usually launched at the end of the beamtime.

scicat_dataset_ingest -c ~/.scingestor.yaml

Its configuration written YAML like for scicat_dataset_ingestor

scicat_ingest

General ingestion script for SciCat Models could be used for manual scicat model ingestion, e.g. Sample, Instrument or DerivedDataset.

scicat_ingest  -m Samples  -c ~/.scingestor.yaml  ./metadata.json

Its configuration written YAML like for scicat_dataset_ingestor

Installation

Required packages

  • python3 >= 3.7
  • nxstools >= 3.38.0
  • inotifyx (python3 version)
  • requests
  • setuptools
  • pyyaml
  • pytest (to run tests)
  • sphinx (to build the documentation)

Install from sources

The code from https://github.com/jkotan/scingestor can be built with

python3 setup.py install

To build the documentation use

python3 setup.py build_sphinx

The resulting documentation can be found below build/sphinx/html in the root directory of the source distribution.

Finally, the package can be tested using

python3 -m pytest test

Install in conda or pip environment

The code can be installed in your conda environment by

conda create -n myenv python=3.9
conda activate myenv

pip install inotifyx-py3
pip install scingestor

or in your pip environment by

python3 -m venv myvenv
. myvenv/bin/activate

pip install inotifyx-py3
pip install scingestor

Debian and Ubuntu packages

Debian bookworm, bullseye, buster or Ubuntu lunar, jammy, focal packages can be found in the HDRI repository.

To install the debian packages, add the PGP repository key

sudo su
curl -s http://repos.pni-hdri.de/debian_repo.pub.gpg  | gpg --no-default-keyring --keyring gnupg-ring:/etc/apt/trusted.gpg.d/debian-hdri-repo.gpg --import
chmod 644 /etc/apt/trusted.gpg.d/debian-hdri-repo.gpg

and then download the corresponding source list, e.g. for bookworm

cd /etc/apt/sources.list.d
wget http://repos.pni-hdri.de/bookworm-pni-hdri.list

or jammy

cd /etc/apt/sources.list.d
wget http://repos.pni-hdri.de/jammy-pni-hdri.list

respectively.

Finally,

apt-get update
apt-get install python3-scingestor

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