Source Code for Module Ganga.GPIDev.Lib.File.FileBuffer'

 1  ################################################################################ 
 2  # Ganga Project. http://cern.ch/ganga 
 3  # 
 4  # $Id: FileBuffer.py,v 1.1 2008-07-17 16:40:53 moscicki Exp $ 
 5  ################################################################################ 
 6   
 7  import os 
 8 -class FileBuffer: 
 9      """ FileBuffer represents a file in memory which has not been yet created. 
10          This is a handy way of creating small wrapper scripts to be generated on the fly. 
11      """ 
12       
13      # Added a subdir (see File.py for comments) - AM 
14 -    def __init__(self,name,contents,subdir=os.curdir,executable=0): 
15          """ name is the name of the file to be created 
16              contents is the text with file contents or a file-object which will be read() 
17              executable indicates if a file is create()'ed with executable permissions 
18          """ 
19          self.name = name 
20          self._contents = contents 
21          self.subdir=subdir 
22          self.executable=executable 
23   
24 -    def getPathInSandbox(self): 
25          """return a relative location of a file in a sandbox: subdir/name""" 
26          from Ganga.Utility.files import real_basename        
27          return self.subdir+os.sep+real_basename(self.name) 
28       
29 -    def getContents(self): 
30          """return a string with the contents of the file buffer""" 
31          if type(self._contents) is type(''): 
32              return self._contents 
33          else: 
34              return self._contents.read() 
35   
36 -    def create(self,outname): 
37          """create a file in a local filesystem as 'outname' """ 
38          file(outname,'w').write(self.getContents()) 
39   
40          if self.executable: 
41              from Ganga.Utility.files import chmod_executable 
42              chmod_executable(outname) 
43   
44   
45 -    def isExecutable(self): 
46          """ return true if a file is create()'ed with executable permissions""" 
47          return self.executable 
48   
49   
50   
51  # 
52  # 
53  # 
54  # $Log: not supported by cvs2svn $ 
55  # Revision 1.5  2007/08/28 08:26:35  moscicki 
56  # fixed typo 
57  # 
58  # Revision 1.4  2005/08/23 17:07:23  moscicki 
59  # Added executable flag for FileBuffer. 
60  # Added create method for File and FileBuffer. 
61  # Added getPathInSandbox() method. 
62  # 
63  # Revision 1.3  2005/08/10 09:45:36  andrew 
64  # Added a subdir to File and FileBuffer objects. Changed the writefile method 
65  # in FileWorspace to use the subdirectory 
66  # 
67  # 
68  # 
69  # 
70