X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/61c3753c6e0c567ccbb11115c787da22218ab5f6..c63cb9e4a92378f9a630f95faa3d4d167e7aa8ec:/apps/compress/versioning/hash/__init__.py diff --git a/apps/compress/versioning/hash/__init__.py b/apps/compress/versioning/hash/__init__.py index 74721fe0..a298961c 100644 --- a/apps/compress/versioning/hash/__init__.py +++ b/apps/compress/versioning/hash/__init__.py @@ -6,30 +6,32 @@ from compress.conf import settings from compress.utils import concat, get_output_filename from compress.versioning.base import VersioningBase + class HashVersioningBase(VersioningBase): + def __init__(self, hash_method): self.hash_method = hash_method - + def needs_update(self, output_file, source_files, version): output_file_name = get_output_filename(output_file, version) ph = settings.COMPRESS_VERSION_PLACEHOLDER of = output_file try: phi = of.index(ph) - old_version = output_file_name[phi:phi+len(ph)-len(of)] + old_version = output_file_name[phi:phi + len(ph) - len(of)] return (version != old_version), version except ValueError: # no placeholder found, do not update, manual update if needed return False, version - + def get_version(self, source_files): buf = concat(source_files) s = cStringIO.StringIO(buf) version = self.get_hash(s) s.close() - return version - - def get_hash(self, f, CHUNK=2**16): + return version + + def get_hash(self, f, CHUNK=2 ** 16): m = self.hash_method() while 1: chunk = f.read(CHUNK) @@ -38,10 +40,14 @@ class HashVersioningBase(VersioningBase): m.update(chunk) return m.hexdigest() + class MD5Versioning(HashVersioningBase): + def __init__(self): super(MD5Versioning, self).__init__(md5) + class SHA1Versioning(HashVersioningBase): + def __init__(self): - super(SHA1Versioning, self).__init__(sha1) \ No newline at end of file + super(SHA1Versioning, self).__init__(sha1)