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@ -217,8 +217,29 @@ def main():
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dest_is_dir = os.path.isdir(dest)
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last_mod_time = None
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# Remove any non-alphanumeric characters, including the infamous
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# Unicode zero-width space
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stripped_sha256sum = re.sub(r'\W+', '', sha256sum)
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# Fail early if sha256 is not supported
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if sha256sum != '' and not HAS_HASHLIB:
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module.fail_json(msg="The sha256sum parameter requires hashlib, which is available in Python 2.5 and higher")
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if not dest_is_dir and os.path.exists(dest):
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if not force:
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checksum_mismatch = False
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# If the download is not forced and there is a checksum, allow
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# checksum match to skip the download.
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if not force and sha256sum != '':
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destination_checksum = module.sha256(dest)
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if stripped_sha256sum.lower() == destination_checksum:
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module.exit_json(msg="file already exists", dest=dest, url=url, changed=False)
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checksum_mismatch = True
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# Not forcing redownload, unless sha256sum has already failed
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if not force and not checksum_mismatch:
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module.exit_json(msg="file already exists", dest=dest, url=url, changed=False)
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# If the file already exists, prepare the last modified time for the
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@ -281,14 +302,6 @@ def main():
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# Check the digest of the destination file and ensure that it matches the
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# sha256sum parameter if it is present
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if sha256sum != '':
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# Remove any non-alphanumeric characters, including the infamous
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# Unicode zero-width space
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stripped_sha256sum = re.sub(r'\W+', '', sha256sum)
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if not HAS_HASHLIB:
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os.remove(dest)
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module.fail_json(msg="The sha256sum parameter requires hashlib, which is available in Python 2.5 and higher")
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else:
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destination_checksum = module.sha256(dest)
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if stripped_sha256sum.lower() != destination_checksum:
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