Use iterative MD5 hashing.
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parent
b1b0e45413
commit
b11f23750f
3 changed files with 45 additions and 38 deletions
27
assemble
27
assemble
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@ -30,14 +30,10 @@ import syslog
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import tempfile
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try:
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import hashlib
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HAVE_HASHLIB=True
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from hashlib import md5 as _md5
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except ImportError:
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import md5
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HAVE_HASHLIB=False
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from md5 import md5 as _md5
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# Since hashlib is only available in 2.5 and onwards, this module
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# uses md5 which is available in 2.4.
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# ===========================================
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# Support methods
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@ -66,13 +62,18 @@ def write_temp_file(data):
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return path
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def md5(filename):
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''' compute md5sum, return None if file is not present '''
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if not os.path.exists(filename):
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return None
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if HAVE_HASHLIB:
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return hashlib.md5(file(filename).read()).hexdigest()
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else:
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return md5.new(file(filename).read()).hexdigest()
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''' Return MD5 hex digest of local file, or None if file is not present. '''
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if not os.path.exists(filename):
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return None
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digest = _md5()
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blocksize = 64 * 1024
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infile = open(filename, 'rb')
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block = infile.read(blocksize)
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while block:
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digest.update(block)
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block = infile.read(blocksize)
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infile.close()
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return digest.hexdigest()
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# ===========================================
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25
copy
25
copy
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@ -25,11 +25,9 @@ import shutil
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import syslog
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try:
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import hashlib
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HAVE_HASHLIB=True
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from hashlib import md5 as _md5
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except ImportError:
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import md5
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HAVE_HASHLIB=False
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from md5 import md5 as _md5
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# ===========================================
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# convert arguments of form a=b c=d
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@ -46,13 +44,18 @@ def exit_kv(rc=0, **kwargs):
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sys.exit(rc)
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def md5(filename):
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''' compute md5sum, return None if file is not present '''
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if not os.path.exists(filename):
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return None
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if HAVE_HASHLIB:
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return hashlib.md5(file(filename).read()).hexdigest()
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else:
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return md5.new(file(filename).read()).hexdigest()
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''' Return MD5 hex digest of local file, or None if file is not present. '''
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if not os.path.exists(filename):
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return None
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digest = _md5()
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blocksize = 64 * 1024
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infile = open(filename, 'rb')
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block = infile.read(blocksize)
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while block:
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digest.update(block)
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block = infile.read(blocksize)
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infile.close()
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return digest.hexdigest()
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# ===========================================
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25
setup
25
setup
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@ -34,11 +34,9 @@ import traceback
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import syslog
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try:
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import hashlib
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HAVE_HASHLIB=True
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from hashlib import md5 as _md5
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except ImportError:
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import md5
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HAVE_HASHLIB=False
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from md5 import md5 as _md5
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try:
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import selinux
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@ -319,13 +317,18 @@ def ansible_facts():
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return facts
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def md5(filename):
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''' compute md5sum, return None if file is not present '''
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if not os.path.exists(filename):
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return None
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if HAVE_HASHLIB:
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return hashlib.md5(file(filename).read()).hexdigest()
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else:
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return md5.new(file(filename).read()).hexdigest()
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''' Return MD5 hex digest of local file, or None if file is not present. '''
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if not os.path.exists(filename):
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return None
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digest = _md5()
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blocksize = 64 * 1024
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infile = open(filename, 'rb')
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block = infile.read(blocksize)
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while block:
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digest.update(block)
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block = infile.read(blocksize)
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infile.close()
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return digest.hexdigest()
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# ===========================================
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