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
|
###########################################################################
#
# TextIndexNG The next generation TextIndex for Zope
#
# This software is governed by a license. See
# LICENSE.txt for the terms of this license.
#
###########################################################################
import os, tempfile
from interfaces import IConverter
class BaseConverterError(Exception): pass
class TmpFile:
def __init__(self, data):
self.fname = tempfile.mktemp()
open(self.fname,'w+b').write(data)
def __str__(self): return self.fname
__repr__ = __str__
def __del__(self):
os.unlink(self.fname)
class BaseConverter:
""" Base class for all converters """
content_type = None
content_description = None
__implements__ = IConverter.ConverterInterface
def __init__(self):
if not self.content_type:
raise BaseConverterError,'content_type undefinied'
if not self.content_description:
raise BaseConverterError,'content_description undefinied'
def execute(self,com):
try:
import win32pipe
return win32pipe.popen(com).read()
except ImportError:
return os.popen(com).read()
def saveFile(self, data):
return TmpFile(data)
def getDescription(self): return self.content_description
def getType(self): return self.content_type
def getDependency(self): return getattr(self,'depends_on','')
def __call__(self, s): return self.convert(s)
|
