| |
|
|
| from flask import Markup |
| import xlrd |
|
|
| COPY_XLS = 'data/copy.xls' |
|
|
| class CopyException(Exception): |
| pass |
|
|
| class Row(object): |
| """ |
| Wraps a row of copy for error handling. |
| """ |
| _sheet = None |
| _row = {} |
| _index = 0 |
|
|
| def __init__(self, sheet, data, index): |
| self._sheet = sheet |
| self._row = data |
| self._index = index |
|
|
| def __getattr__(self, name): |
| if not self._row: |
| return 'COPY.%s.%i (row does not exist)' % (self._sheet.name, self._index) |
|
|
| if name not in self._row: |
| return 'COPY.%s.%i.%s [column does not exist]' % (self._sheet.name, self._index, name) |
|
|
| return Markup(self._row[name]) |
|
|
| def __getitem__(self, i): |
| return self._row[i] |
|
|
| def __iter__(self): |
| return iter(self._row) |
|
|
| def __len__(self): |
| return len(self._row) |
|
|
| class Sheet(object): |
| """ |
| Wrap copy text, for a single worksheet, for error handling. |
| """ |
| name = None |
| _sheet = [] |
| _columns = [] |
|
|
| def __init__(self, name, data, columns): |
| self.name = name |
| self._sheet = [Row(self, row, i) for i, row in enumerate(data)] |
| self._columns = columns |
|
|
| def __getitem__(self, i): |
| if i > len(self._sheet): |
| return Row(self, {}, i) |
|
|
| return self._sheet[i] |
|
|
| def __getattr__(self, name): |
| if not self._sheet: |
| return 'COPY.%s.%s [sheet does not exist]' % (self.name, name) |
|
|
| if 'key' not in self._columns: |
| return 'COPY.%s.%s [no key column]' % (self.name, name) |
|
|
| for row in self._sheet: |
| if row['key'] == name: |
| return Markup(row['value']) |
|
|
| return 'COPY.%s.%s [key does not exist]' % (self.name, name) |
|
|
| def __iter__(self): |
| return iter(self._sheet) |
|
|
| def __len__(self): |
| return len(self._sheet) |
|
|
| class Copy(object): |
| """ |
| Wraps copy text, for multiple worksheets, for error handling. |
| """ |
| _copy = {} |
|
|
| def __init__(self): |
| self.load() |
|
|
| def __getattr__(self, name): |
| try: |
| return self._copy[name] |
| except KeyError: |
| return Sheet(name, {}, []) |
|
|
| def load(self): |
| """ |
| Parses the downloaded .xls file and writes it as JSON. |
| """ |
| try: |
| book = xlrd.open_workbook(COPY_XLS) |
| except IOError: |
| raise CopyException('"%s" does not exist. Have you run "fab update_copy"?' % COPY_XLS) |
|
|
| for sheet in book.sheets(): |
| columns = sheet.row_values(0) |
| rows = [] |
|
|
| for n in range(1, sheet.nrows): |
| |
| rows.append(dict(zip(columns, sheet.row_values(n)))) |
|
|
| self._copy[sheet.name] = Sheet(sheet.name, rows, columns) |
|
|
|
|
