Source code for renku.core.util.tabulate

# Copyright Swiss Data Science Center (SDSC). A partnership between
# École Polytechnique Fédérale de Lausanne (EPFL) and
# Eidgenössische Technische Hochschule Zürich (ETHZ).
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# See the License for the specific language governing permissions and
# limitations under the License.
"""Print a collection as a table."""

from datetime import datetime
from operator import attrgetter

[docs]def format_cell(cell, datetime_fmt=None): """Format a cell.""" if datetime_fmt and isinstance(cell, datetime): if cell.tzinfo: cell = cell.astimezone() return cell.strftime(datetime_fmt) elif isinstance(cell, bool): return "*" if cell else "" elif isinstance(cell, int): return f"{cell:,}" return cell
[docs]def tabulate(collection, headers, datetime_fmt="%Y-%m-%d %H:%M:%S", **kwargs): """Pretty-print a collection.""" from tabulate import tabulate as to_table if isinstance(headers, dict): attrs = headers.keys() # if mapping is not specified keep original names = [key if value is None else value for key, value in headers.items()] else: attrs = names = headers if collection and isinstance(collection[0], dict): return to_table(collection, headers="keys", **kwargs) # NOTE: Convert instance attributes to a collection of formatted cells. table = [ (format_cell(cell, datetime_fmt=datetime_fmt) for cell in _to_list(attrgetter(*attrs)(c))) for c in collection ] return to_table(table, headers=[h.upper() for h in names], **kwargs)
def _to_list(value): """Wrap value to a collection type.""" if isinstance(value, (list, tuple)): return value return [value]