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Merge remote-tracking branch 'kahrl/sectors2sqlite-fix'

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This commit is contained in:
Perttu Ahola 2011-09-26 20:01:46 +03:00
commit 520b470217
1 changed files with 17 additions and 8 deletions
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25
util/sectors2sqlite.py
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@ -3,7 +3,7 @@
# Loads block files from sectors folders into map.sqlite database. # Loads block files from sectors folders into map.sqlite database.
# The sectors folder should be safe to remove after this prints "Finished." # The sectors folder should be safe to remove after this prints "Finished."
import time, os import time, os, sys
try: try:
import sqlite3 import sqlite3
@ -23,10 +23,14 @@ if os.path.isdir(path + 'sectors/'):
if not paths: if not paths:
exit('Could not find sectors folder at ' + path + 'sectors2/ or ' + path + 'sectors/') exit('Could not find sectors folder at ' + path + 'sectors2/ or ' + path + 'sectors/')
def uint(u): def parseSigned12bit(u):
u = int('0x'+u, 16) u = int('0x'+u, 16)
return (u if u < 2**11 else u - 2**12) return (u if u < 2**11 else u - 2**12)
def parseSigned16bit(u):
u = int('0x'+u, 16)
return (u if u < 2**15 else u - 2**16)
def int64(u): def int64(u):
while u >= 2**63: while u >= 2**63:
u -= 2**64 u -= 2**64
@ -38,12 +42,12 @@ def int64(u):
def getSectorPos(dirname): def getSectorPos(dirname):
if len(dirname) == 8: if len(dirname) == 8:
# Old layout # Old layout
x = uint(dirname[:4]) x = parseSigned16bit(dirname[:4])
z = uint(dirname[4:]) z = parseSigned16bit(dirname[4:])
elif len(dirname) == 7: elif len(dirname) == 7:
# New layout # New layout
x = uint(dirname[:3]) x = parseSigned12bit(dirname[:3])
z = uint(dirname[4:]) z = parseSigned12bit(dirname[4:])
else: else:
print('Terrible sector at ' + dirname) print('Terrible sector at ' + dirname)
return return
@ -60,7 +64,7 @@ def getBlockPos(sectordir, blockfile):
if len(blockfile) != 4: if len(blockfile) != 4:
print("Invalid block filename: " + blockfile) print("Invalid block filename: " + blockfile)
y = uint(blockfile) y = parseSigned16bit(blockfile)
return p2d[0], y, p2d[1] return p2d[0], y, p2d[1]
@ -110,8 +114,13 @@ for base in paths:
continue continue
f = open(root+'/'+block, 'rb') f = open(root+'/'+block, 'rb')
cur.execute('INSERT OR IGNORE INTO `blocks` VALUES(?, ?)', (pos, f.read())) blob = f.read()
f.close() f.close()
if sys.version_info.major == 2:
blob = buffer(blob)
else:
blob = memoryview(blob)
cur.execute('INSERT OR IGNORE INTO `blocks` VALUES(?, ?)', (pos, blob))
count += 1 count += 1
if(time.time() - t > 3): if(time.time() - t > 3):