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contrib/linearize: split block files based on year-month, not just year

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This commit is contained in:
Jeff Garzik 2014-08-24 01:40:40 -04:00
parent 75400a2a41
commit 8f5a423344
1 changed files with 15 additions and 14 deletions
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29
contrib/linearize/linearize-data.py
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@ -58,10 +58,11 @@ def calc_hash_str(blk_hdr):
hash_str = hash.encode('hex')
return hash_str
def get_blk_year(blk_hdr):
def get_blk_dt(blk_hdr):
members = struct.unpack("<I", blk_hdr[68:68+4])
dt = datetime.datetime.fromtimestamp(members[0])
return dt.year
dt_ym = datetime.datetime(dt.year, dt.month, 1)
return dt_ym
def get_block_hashes(settings):
blkindex = []
@ -88,14 +89,14 @@ def copydata(settings, blkindex, blkset):
outF = None
blkCount = 0
lastYear = 0
splitYear = False
lastDate = datetime.datetime(2000, 1, 1)
timestampSplit = False
fileOutput = True
maxOutSz = settings['max_out_sz']
if 'output' in settings:
fileOutput = False
if settings['split_year'] != 0:
splitYear = True
if settings['split_timestamp'] != 0:
timestampSplit = True
while True:
if not inF:
@ -137,11 +138,11 @@ def copydata(settings, blkindex, blkset):
outFn = outFn + 1
outsz = 0
if splitYear:
blkYear = get_blk_year(blk_hdr)
if blkYear > lastYear:
print("New year " + str(blkYear) + " @ " + hash_str)
lastYear = blkYear
if timestampSplit:
blkDate = get_blk_dt(blk_hdr)
if blkDate > lastDate:
print("New month " + blkDate.strftime("%Y-%m") + " @ " + hash_str)
lastDate = blkDate
if outF:
outF.close()
outF = None
@ -190,13 +191,13 @@ if __name__ == '__main__':
settings['input'] = 'input'
if 'hashlist' not in settings:
settings['hashlist'] = 'hashlist.txt'
if 'split_year' not in settings:
settings['split_year'] = 0
if 'split_timestamp' not in settings:
settings['split_timestamp'] = 0
if 'max_out_sz' not in settings:
settings['max_out_sz'] = 1000L * 1000 * 1000
settings['max_out_sz'] = long(settings['max_out_sz'])
settings['split_year'] = int(settings['split_year'])
settings['split_timestamp'] = int(settings['split_timestamp'])
settings['netmagic'] = settings['netmagic'].decode('hex')
if 'output_file' not in settings and 'output' not in settings: