Mercurial > repos > guerler > springsuite

comparison spring_package/DBKit.py @ 39:172398348efd draft

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"planemo upload commit 26b4018c88041ee0ca7c2976e0a012015173d7b6-dirty"
author guerler
date Fri, 22 Jan 2021 15:50:27 +0000
parents 0be0af9e695d
children
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38:80a4b98121b6 39:172398348efd
1 def createFile(identifier, databaseIndex, database, outputName): 1 from os.path import isfile
2 start = -1 2
3 size = 0 3
4 with open(databaseIndex) as file: 4 class DBKit:
5 for line in file: 5 def __init__(self, indexFile, databaseFile):
6 cols = line.split() 6 if not isfile(indexFile):
7 if identifier == cols[0]: 7 raise Exception("Index file not found: %s." % indexFile)
8 start = int(cols[1]) 8 if not isfile(databaseFile):
9 size = int(cols[2]) 9 raise Exception("Database file not found: %s." % databaseFile)
10 break 10 self.databaseFile = databaseFile
11 if start != -1 and size > 0: 11 self.index = dict()
12 with open(database) as file: 12 with open(indexFile) as file:
13 file.seek(start) 13 for line in file:
14 content = file.read(size) 14 cols = line.split()
15 outputFile = open(outputName, "w") 15 try:
16 outputFile.write(content) 16 identifier = cols[0]
17 outputFile.close() 17 start = int(cols[1])
18 return True 18 size = int(cols[2])
19 else: 19 self.index[identifier] = [start, size]
20 return False 20 except Exception:
21 raise Exception("Invalid DBKit Index file format: %s." % line)
22
23 def createFile(self, identifier, outputName):
24 if identifier in self.index:
25 entry = self.index[identifier]
26 start = entry[0]
27 size = entry[1]
28 with open(self.databaseFile) as file:
29 file.seek(start)
30 content = file.read(size)
31 outputFile = open(outputName, "w")
32 outputFile.write(content)
33 outputFile.close()
34 return True
35 else:
36 return False