File size: 2,806 Bytes
ce4b573 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | #!/usr/bin/env python
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):
# Sheet takes array of rows
rows.append(dict(zip(columns, sheet.row_values(n))))
self._copy[sheet.name] = Sheet(sheet.name, rows, columns)
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