diff options
Diffstat (limited to 'jython-tosca-parser/src/main/resources/Lib/site-packages/cliff-2.4.0-py2.7.egg/cliff/formatters/table.py')
| -rw-r--r-- | jython-tosca-parser/src/main/resources/Lib/site-packages/cliff-2.4.0-py2.7.egg/cliff/formatters/table.py | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/cliff-2.4.0-py2.7.egg/cliff/formatters/table.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/cliff-2.4.0-py2.7.egg/cliff/formatters/table.py deleted file mode 100644 index df4616b..0000000 --- a/jython-tosca-parser/src/main/resources/Lib/site-packages/cliff-2.4.0-py2.7.egg/cliff/formatters/table.py +++ /dev/null @@ -1,203 +0,0 @@ -# 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 -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT -# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the -# License for the specific language governing permissions and limitations -# under the License. - -"""Output formatters using prettytable. -""" - -import prettytable -import six -import os - -from cliff import utils -from . import base -from cliff import columns - - -def _format_row(row): - new_row = [] - for r in row: - if isinstance(r, columns.FormattableColumn): - r = r.human_readable() - if isinstance(r, six.string_types): - r = r.replace('\r\n', '\n').replace('\r', ' ') - new_row.append(r) - return new_row - - -class TableFormatter(base.ListFormatter, base.SingleFormatter): - - ALIGNMENTS = { - int: 'r', - str: 'l', - float: 'r', - } - try: - ALIGNMENTS[unicode] = 'l' - except NameError: - pass - - def add_argument_group(self, parser): - group = parser.add_argument_group('table formatter') - group.add_argument( - '--max-width', - metavar='<integer>', - default=int(os.environ.get('CLIFF_MAX_TERM_WIDTH', 0)), - type=int, - help=('Maximum display width, <1 to disable. You can also ' - 'use the CLIFF_MAX_TERM_WIDTH environment variable, ' - 'but the parameter takes precedence.'), - ) - group.add_argument( - '--print-empty', - action='store_true', - help='Print empty table if there is no data to show.', - ) - - def add_rows(self, table, column_names, data): - # Figure out the types of the columns in the - # first row and set the alignment of the - # output accordingly. - data_iter = iter(data) - try: - first_row = next(data_iter) - except StopIteration: - pass - else: - for value, name in zip(first_row, column_names): - alignment = self.ALIGNMENTS.get(type(value), 'l') - table.align[name] = alignment - # Now iterate over the data and add the rows. - table.add_row(_format_row(first_row)) - for row in data_iter: - table.add_row(_format_row(row)) - - def emit_list(self, column_names, data, stdout, parsed_args): - x = prettytable.PrettyTable( - column_names, - print_empty=parsed_args.print_empty, - ) - x.padding_width = 1 - - # Add rows if data is provided - if data: - self.add_rows(x, column_names, data) - - # Choose a reasonable min_width to better handle many columns on a - # narrow console. The table will overflow the console width in - # preference to wrapping columns smaller than 8 characters. - min_width = 8 - self._assign_max_widths( - stdout, x, int(parsed_args.max_width), min_width) - - formatted = x.get_string() - stdout.write(formatted) - stdout.write('\n') - return - - def emit_one(self, column_names, data, stdout, parsed_args): - x = prettytable.PrettyTable(field_names=('Field', 'Value'), - print_empty=False) - x.padding_width = 1 - # Align all columns left because the values are - # not all the same type. - x.align['Field'] = 'l' - x.align['Value'] = 'l' - for name, value in zip(column_names, data): - x.add_row(_format_row((name, value))) - - # Choose a reasonable min_width to better handle a narrow - # console. The table will overflow the console width in preference - # to wrapping columns smaller than 16 characters in an attempt to keep - # the Field column readable. - min_width = 16 - self._assign_max_widths( - stdout, x, int(parsed_args.max_width), min_width) - - formatted = x.get_string() - stdout.write(formatted) - stdout.write('\n') - return - - @staticmethod - def _field_widths(field_names, first_line): - - # use the first line +----+-------+ to infer column widths - # accounting for padding and dividers - widths = [max(0, len(i) - 2) for i in first_line.split('+')[1:-1]] - return dict(zip(field_names, widths)) - - @staticmethod - def _width_info(term_width, field_count): - # remove padding and dividers for width available to actual content - usable_total_width = max(0, term_width - 1 - 3 * field_count) - - # calculate width per column if all columns were equal - if field_count == 0: - optimal_width = 0 - else: - optimal_width = max(0, usable_total_width // field_count) - - return usable_total_width, optimal_width - - @staticmethod - def _build_shrink_fields(usable_total_width, optimal_width, - field_widths, field_names): - shrink_fields = [] - shrink_remaining = usable_total_width - for field in field_names: - w = field_widths[field] - if w <= optimal_width: - # leave alone columns which are smaller than the optimal width - shrink_remaining -= w - else: - shrink_fields.append(field) - - return shrink_fields, shrink_remaining - - @staticmethod - def _assign_max_widths(stdout, x, max_width, min_width=0): - if min_width: - x.min_width = min_width - - if max_width > 0: - term_width = max_width - else: - term_width = utils.terminal_width(stdout) - if not term_width: - # not a tty, so do not set any max widths - return - field_count = len(x.field_names) - - try: - first_line = x.get_string().splitlines()[0] - if len(first_line) <= term_width: - return - except IndexError: - return - - usable_total_width, optimal_width = TableFormatter._width_info( - term_width, field_count) - - field_widths = TableFormatter._field_widths(x.field_names, first_line) - - shrink_fields, shrink_remaining = TableFormatter._build_shrink_fields( - usable_total_width, optimal_width, field_widths, x.field_names) - - shrink_to = shrink_remaining // len(shrink_fields) - # make all shrinkable fields size shrink_to apart from the last one - for field in shrink_fields[:-1]: - x.max_width[field] = max(min_width, shrink_to) - shrink_remaining -= shrink_to - - # give the last shrinkable column shrink_to plus any remaining - field = shrink_fields[-1] - x.max_width[field] = max(min_width, shrink_remaining) |