/src/robot/parsing/datarow.py
Python | 107 lines | 86 code | 7 blank | 14 comment | 7 complexity | 9296a54635a0f59222b570a9f0aeb64e MD5 | raw file
Possible License(s): Apache-2.0
- # Copyright 2008-2014 Nokia Solutions and Networks
- #
- # 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.
- import re
- class DataRow(object):
- _row_continuation_marker = '...'
- _whitespace_regexp = re.compile('\s+')
- _ye_olde_metadata_prefix = 'meta:'
- def __init__(self, cells):
- self.cells, self.comments = self._parse(cells)
- def _parse(self, row):
- data = []
- comments = []
- for cell in row:
- cell = self._collapse_whitespace(cell)
- if cell.startswith('#') or comments:
- comments.append(cell)
- else:
- data.append(cell)
- return self._purge_empty_cells(data), self._purge_empty_cells(comments)
- def _collapse_whitespace(self, cell):
- return self._whitespace_regexp.sub(' ', cell).strip()
- def _purge_empty_cells(self, row):
- while row and not row[-1]:
- row.pop()
- # Cells with only a single backslash are considered empty
- return [cell if cell != '\\' else '' for cell in row]
- @property
- def head(self):
- return self.cells[0] if self.cells else ''
- @property
- def tail(self):
- return self.cells[1:]
- @property
- def all(self):
- return self.cells
- @property
- def data(self):
- if self.is_continuing():
- index = self.cells.index(self._row_continuation_marker) + 1
- return self.cells[index:]
- return self.cells
- def dedent(self):
- datarow = DataRow([])
- datarow.cells = self.tail
- datarow.comments = self.comments
- return datarow
- def handle_old_style_metadata(self):
- if self._is_metadata_with_olde_prefix(self.head):
- self.cells = self._convert_to_new_style_metadata()
- def _is_metadata_with_olde_prefix(self, value):
- return value.lower().startswith(self._ye_olde_metadata_prefix)
- def _convert_to_new_style_metadata(self):
- return ['Metadata'] + [self.head.split(':', 1)[1].strip()] + self.tail
- def starts_for_loop(self):
- if self.head and self.head.startswith(':'):
- return self.head.replace(':', '').replace(' ', '').upper() == 'FOR'
- return False
- def starts_test_or_user_keyword_setting(self):
- head = self.head
- return head and head[0] == '[' and head[-1] == ']'
- def test_or_user_keyword_setting_name(self):
- return self.head[1:-1].strip()
- def is_indented(self):
- return self.head == ''
- def is_continuing(self):
- for cell in self.cells:
- if cell == self._row_continuation_marker:
- return True
- if cell:
- return False
- def is_commented(self):
- return bool(not self.cells and self.comments)
- def __nonzero__(self):
- return bool(self.cells or self.comments)