1 """
2 Supplies a Python-2.3 Object Craft csv module work-alike to the extent
3 needed by Roundup using the Python 2.3 csv module.
5 """
7 from roundup.i18n import _
8 error = """Sorry, you need a module compatible with the csv module.
9 Either upgrade your Python to 2.3 or later, or get and install
10 the csv module from:
11 http://www.object-craft.com.au/projects/csv/
13 These two csv modules are different but Roundup can use either.
14 """
15 try:
16 import csv
17 try:
18 reader = csv.reader
19 writer = csv.writer
20 excel = csv.excel
21 error = ''
22 except AttributeError:
23 # fake it all up using the Object-Craft CSV module
24 class excel:
25 pass
26 if hasattr(csv, 'parser'):
27 error = ''
28 def reader(fileobj, dialect=excel):
29 # note real readers take an iterable but 2.1 doesn't
30 # support iterable access to file objects.
31 result = []
32 p = csv.parser(field_sep=dialect.delimiter)
34 while 1:
35 line = fileobj.readline()
36 if not line: break
38 # parse lines until we get a complete entry
39 while 1:
40 fields = p.parse(line)
41 if fields: break
42 line = fileobj.readline()
43 if not line:
44 raise ValueError, "Unexpected EOF during CSV parse"
45 result.append(fields)
46 return result
47 class writer:
48 def __init__(self, fileobj, dialect=excel):
49 self.fileobj = fileobj
50 self.p = csv.parser(field_sep = dialect.delimiter)
51 def writerow(self, fields):
52 print >>self.fileobj, self.p.join(fields)
53 def writerows(self, rows):
54 for fields in rows:
55 print >>self.fileobj, self.p.join(fields)
57 except ImportError:
58 class excel:
59 pass
61 class colon_separated(excel):
62 delimiter = ':'
63 class comma_separated(excel):
64 delimiter = ','
67 if __name__ == "__main__":
68 f=open('testme.txt', 'r')
69 r = reader(f, colon_separated)
70 remember = []
71 for record in r:
72 print record
73 remember.append(record)
74 f.close()
75 import sys
76 w = writer(sys.stdout, colon_separated)
77 w.writerows(remember)