私はpythonを使用して、zlib圧縮およびcPickled辞書をファイルに書き込みます。動作しているように見えますが、ファイルを読み戻す方法がわかりません。
私が試したいくつかのこと (および関連するエラー メッセージ) を含む次のコードを含めます。私はどこにも行きません。
import sys
import cPickle as pickle
import zlib
testDict = { 'entry1':1.0, 'entry2':2.0 }
with open('test.gz', 'wb') as fp:
fp.write(zlib.compress(pickle.dumps(testDict, pickle.HIGHEST_PROTOCOL),9))
attempt = 0
try:
attempt += 1
with open('test.gz', 'rb') as fp:
step1 = zlib.decompress(fp)
successDict = pickle.load(step1)
except Exception, e:
print "Failed attempt:", attempt, e
try:
attempt += 1
with open('test.gz', 'rb').read() as fp:
step1 = zlib.decompress(fp)
successDict = pickle.load(step1)
except Exception, e:
print "Failed attempt:", attempt, e
try:
attempt += 1
with open('test.gz', 'rb') as fp:
step1 = zlib.decompress(fp.read())
successDict = pickle.load(step1)
except Exception, e:
print "Failed attempt:", attempt, e
try:
attempt += 1
with open('test.gz', 'rb') as fp:
d = zlib.decompressobj()
step1 = fp.read()
step2 = d.decompress(step1)
step3 = pickle.load(step2)
except Exception ,e:
print "Failed attempt:", attempt, e
try:
attempt += 1
with open('test.gz', 'rb') as fp:
d = zlib.decompressobj()
step1 = fp.read()
step2 = d.decompress(step1)
step3 = pickle.load(step2)
except Exception ,e:
print "Failed attempt:", attempt, e
次のエラーが表示されます。
Failed attempt: 1 must be string or read-only buffer, not file
Failed attempt: 2 __exit__
Failed attempt: 3 argument must have 'read' and 'readline' attributes
Failed attempt: 4 argument must have 'read' and 'readline' attributes
Failed attempt: 5 argument must have 'read' and 'readline' attributes
うまくいけば、これは私が見逃している明らかな(他の誰かにとっての)修正です。ご協力いただきありがとうございます!