def install(self, source, dest=None, checksum=None, hash_type='sha1'):
"""
Download and install an archive file, with optional checksum validation.
The checksum can also be given on the `source` URL's fragment.
For example::
handler.install('http://example.com/file.tgz#sha1=deadbeef')
:param str source: URL pointing to an archive file.
:param str dest: Local destination path to install to. If not given,
installs to `$CHARM_DIR/archives/archive_file_name`.
:param str checksum: If given, validate the archive file after download.
:param str hash_type: Algorithm used to generate `checksum`.
Can be any hash alrgorithm supported by :mod:`hashlib`,
such as md5, sha1, sha256, sha512, etc.
"""
url_parts = self.parse_url(source)
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), 'fetched')
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
dld_file = os.path.join(dest_dir, os.path.basename(url_parts.path))
try:
self.download(source, dld_file)
except URLError as e:
raise UnhandledSource(e.reason)
except OSError as e:
raise UnhandledSource(e.strerror)
options = parse_qs(url_parts.fragment)
for key, value in options.items():
if not six.PY3:
algorithms = hashlib.algorithms
else:
algorithms = hashlib.algorithms_available
if key in algorithms:
if len(value) != 1:
raise TypeError(
"Expected 1 hash value, not %d" % len(value))
expected = value[0]
check_hash(dld_file, expected, key)
if checksum:
check_hash(dld_file, checksum, hash_type)
return extract(dld_file, dest)
python类algorithms()的实例源码
def install(self, source, dest=None, checksum=None, hash_type='sha1'):
"""
Download and install an archive file, with optional checksum validation.
The checksum can also be given on the `source` URL's fragment.
For example::
handler.install('http://example.com/file.tgz#sha1=deadbeef')
:param str source: URL pointing to an archive file.
:param str dest: Local destination path to install to. If not given,
installs to `$CHARM_DIR/archives/archive_file_name`.
:param str checksum: If given, validate the archive file after download.
:param str hash_type: Algorithm used to generate `checksum`.
Can be any hash alrgorithm supported by :mod:`hashlib`,
such as md5, sha1, sha256, sha512, etc.
"""
url_parts = self.parse_url(source)
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), 'fetched')
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
dld_file = os.path.join(dest_dir, os.path.basename(url_parts.path))
try:
self.download(source, dld_file)
except URLError as e:
raise UnhandledSource(e.reason)
except OSError as e:
raise UnhandledSource(e.strerror)
options = parse_qs(url_parts.fragment)
for key, value in options.items():
if not six.PY3:
algorithms = hashlib.algorithms
else:
algorithms = hashlib.algorithms_available
if key in algorithms:
if len(value) != 1:
raise TypeError(
"Expected 1 hash value, not %d" % len(value))
expected = value[0]
check_hash(dld_file, expected, key)
if checksum:
check_hash(dld_file, checksum, hash_type)
return extract(dld_file, dest)
def install(self, source, dest=None, checksum=None, hash_type='sha1'):
"""
Download and install an archive file, with optional checksum validation.
The checksum can also be given on the `source` URL's fragment.
For example::
handler.install('http://example.com/file.tgz#sha1=deadbeef')
:param str source: URL pointing to an archive file.
:param str dest: Local destination path to install to. If not given,
installs to `$CHARM_DIR/archives/archive_file_name`.
:param str checksum: If given, validate the archive file after download.
:param str hash_type: Algorithm used to generate `checksum`.
Can be any hash alrgorithm supported by :mod:`hashlib`,
such as md5, sha1, sha256, sha512, etc.
"""
url_parts = self.parse_url(source)
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), 'fetched')
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
dld_file = os.path.join(dest_dir, os.path.basename(url_parts.path))
try:
self.download(source, dld_file)
except URLError as e:
raise UnhandledSource(e.reason)
except OSError as e:
raise UnhandledSource(e.strerror)
options = parse_qs(url_parts.fragment)
for key, value in options.items():
if not six.PY3:
algorithms = hashlib.algorithms
else:
algorithms = hashlib.algorithms_available
if key in algorithms:
if len(value) != 1:
raise TypeError(
"Expected 1 hash value, not %d" % len(value))
expected = value[0]
check_hash(dld_file, expected, key)
if checksum:
check_hash(dld_file, checksum, hash_type)
return extract(dld_file, dest)
def install(self, source, dest=None, checksum=None, hash_type='sha1'):
"""
Download and install an archive file, with optional checksum validation.
The checksum can also be given on the `source` URL's fragment.
For example::
handler.install('http://example.com/file.tgz#sha1=deadbeef')
:param str source: URL pointing to an archive file.
:param str dest: Local destination path to install to. If not given,
installs to `$CHARM_DIR/archives/archive_file_name`.
:param str checksum: If given, validate the archive file after download.
:param str hash_type: Algorithm used to generate `checksum`.
Can be any hash alrgorithm supported by :mod:`hashlib`,
such as md5, sha1, sha256, sha512, etc.
"""
url_parts = self.parse_url(source)
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), 'fetched')
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
dld_file = os.path.join(dest_dir, os.path.basename(url_parts.path))
try:
self.download(source, dld_file)
except URLError as e:
raise UnhandledSource(e.reason)
except OSError as e:
raise UnhandledSource(e.strerror)
options = parse_qs(url_parts.fragment)
for key, value in options.items():
if not six.PY3:
algorithms = hashlib.algorithms
else:
algorithms = hashlib.algorithms_available
if key in algorithms:
if len(value) != 1:
raise TypeError(
"Expected 1 hash value, not %d" % len(value))
expected = value[0]
check_hash(dld_file, expected, key)
if checksum:
check_hash(dld_file, checksum, hash_type)
return extract(dld_file, dest)
def install(self, source, dest=None, checksum=None, hash_type='sha1'):
"""
Download and install an archive file, with optional checksum validation.
The checksum can also be given on the `source` URL's fragment.
For example::
handler.install('http://example.com/file.tgz#sha1=deadbeef')
:param str source: URL pointing to an archive file.
:param str dest: Local destination path to install to. If not given,
installs to `$CHARM_DIR/archives/archive_file_name`.
:param str checksum: If given, validate the archive file after download.
:param str hash_type: Algorithm used to generate `checksum`.
Can be any hash alrgorithm supported by :mod:`hashlib`,
such as md5, sha1, sha256, sha512, etc.
"""
url_parts = self.parse_url(source)
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), 'fetched')
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
dld_file = os.path.join(dest_dir, os.path.basename(url_parts.path))
try:
self.download(source, dld_file)
except URLError as e:
raise UnhandledSource(e.reason)
except OSError as e:
raise UnhandledSource(e.strerror)
options = parse_qs(url_parts.fragment)
for key, value in options.items():
if not six.PY3:
algorithms = hashlib.algorithms
else:
algorithms = hashlib.algorithms_available
if key in algorithms:
if len(value) != 1:
raise TypeError(
"Expected 1 hash value, not %d" % len(value))
expected = value[0]
check_hash(dld_file, expected, key)
if checksum:
check_hash(dld_file, checksum, hash_type)
return extract(dld_file, dest)
def install(self, source, dest=None, checksum=None, hash_type='sha1'):
"""
Download and install an archive file, with optional checksum validation.
The checksum can also be given on the `source` URL's fragment.
For example::
handler.install('http://example.com/file.tgz#sha1=deadbeef')
:param str source: URL pointing to an archive file.
:param str dest: Local destination path to install to. If not given,
installs to `$CHARM_DIR/archives/archive_file_name`.
:param str checksum: If given, validate the archive file after download.
:param str hash_type: Algorithm used to generate `checksum`.
Can be any hash alrgorithm supported by :mod:`hashlib`,
such as md5, sha1, sha256, sha512, etc.
"""
url_parts = self.parse_url(source)
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), 'fetched')
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
dld_file = os.path.join(dest_dir, os.path.basename(url_parts.path))
try:
self.download(source, dld_file)
except URLError as e:
raise UnhandledSource(e.reason)
except OSError as e:
raise UnhandledSource(e.strerror)
options = parse_qs(url_parts.fragment)
for key, value in options.items():
if not six.PY3:
algorithms = hashlib.algorithms
else:
algorithms = hashlib.algorithms_available
if key in algorithms:
if len(value) != 1:
raise TypeError(
"Expected 1 hash value, not %d" % len(value))
expected = value[0]
check_hash(dld_file, expected, key)
if checksum:
check_hash(dld_file, checksum, hash_type)
return extract(dld_file, dest)
def install(self, source, dest=None, checksum=None, hash_type='sha1'):
"""
Download and install an archive file, with optional checksum validation.
The checksum can also be given on the `source` URL's fragment.
For example::
handler.install('http://example.com/file.tgz#sha1=deadbeef')
:param str source: URL pointing to an archive file.
:param str dest: Local destination path to install to. If not given,
installs to `$CHARM_DIR/archives/archive_file_name`.
:param str checksum: If given, validate the archive file after download.
:param str hash_type: Algorithm used to generate `checksum`.
Can be any hash alrgorithm supported by :mod:`hashlib`,
such as md5, sha1, sha256, sha512, etc.
"""
url_parts = self.parse_url(source)
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), 'fetched')
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
dld_file = os.path.join(dest_dir, os.path.basename(url_parts.path))
try:
self.download(source, dld_file)
except URLError as e:
raise UnhandledSource(e.reason)
except OSError as e:
raise UnhandledSource(e.strerror)
options = parse_qs(url_parts.fragment)
for key, value in options.items():
if not six.PY3:
algorithms = hashlib.algorithms
else:
algorithms = hashlib.algorithms_available
if key in algorithms:
if len(value) != 1:
raise TypeError(
"Expected 1 hash value, not %d" % len(value))
expected = value[0]
check_hash(dld_file, expected, key)
if checksum:
check_hash(dld_file, checksum, hash_type)
return extract(dld_file, dest)
def install(self, source, dest=None, checksum=None, hash_type='sha1'):
"""
Download and install an archive file, with optional checksum validation.
The checksum can also be given on the `source` URL's fragment.
For example::
handler.install('http://example.com/file.tgz#sha1=deadbeef')
:param str source: URL pointing to an archive file.
:param str dest: Local destination path to install to. If not given,
installs to `$CHARM_DIR/archives/archive_file_name`.
:param str checksum: If given, validate the archive file after download.
:param str hash_type: Algorithm used to generate `checksum`.
Can be any hash alrgorithm supported by :mod:`hashlib`,
such as md5, sha1, sha256, sha512, etc.
"""
url_parts = self.parse_url(source)
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), 'fetched')
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
dld_file = os.path.join(dest_dir, os.path.basename(url_parts.path))
try:
self.download(source, dld_file)
except URLError as e:
raise UnhandledSource(e.reason)
except OSError as e:
raise UnhandledSource(e.strerror)
options = parse_qs(url_parts.fragment)
for key, value in options.items():
if not six.PY3:
algorithms = hashlib.algorithms
else:
algorithms = hashlib.algorithms_available
if key in algorithms:
if len(value) != 1:
raise TypeError(
"Expected 1 hash value, not %d" % len(value))
expected = value[0]
check_hash(dld_file, expected, key)
if checksum:
check_hash(dld_file, checksum, hash_type)
return extract(dld_file, dest)
def get_hash(infile, algorithm='md5', BLOCKSIZE=65536):
"""Generate file hash without reading in the entire file at once.
Original code licensed under MIT. Source:
http://pythoncentral.io/hashing-files-with-python/
Parameters
----------
infile : str
File of interest (including the path).
algorithm : str (optional)
Hash algorithm of choice. Defaults to 'md5'.
BLOCKSIZE : int (optional)
How much data in bytes to read in at once.
Returns
-------
hash : str
The hash of the file.
Examples
--------
>>> import yt.funcs as funcs
>>> funcs.get_hash('/path/to/test.png')
'd38da04859093d430fa4084fd605de60'
"""
import hashlib
try:
hasher = getattr(hashlib, algorithm)()
except:
raise NotImplementedError("'%s' not available! Available algorithms: %s" %
(algorithm, hashlib.algorithms))
filesize = os.path.getsize(infile)
iterations = int(float(filesize)/float(BLOCKSIZE))
pbar = get_pbar('Generating %s hash' % algorithm, iterations)
iter = 0
with open(infile,'rb') as f:
buf = f.read(BLOCKSIZE)
while len(buf) > 0:
hasher.update(buf)
buf = f.read(BLOCKSIZE)
iter += 1
pbar.update(iter)
pbar.finish()
return hasher.hexdigest()
def __init__(self, *args, **kwargs):
algorithms = set()
for algorithm in self.supported_hash_names:
algorithms.add(algorithm.lower())
self.constructors_to_test = {}
for algorithm in algorithms:
self.constructors_to_test[algorithm] = set()
# For each algorithm, test the direct constructor and the use
# of hashlib.new given the algorithm name.
for algorithm, constructors in self.constructors_to_test.items():
constructors.add(getattr(hashlib, algorithm))
def _test_algorithm_via_hashlib_new(data=None, _alg=algorithm):
if data is None:
return hashlib.new(_alg)
return hashlib.new(_alg, data)
constructors.add(_test_algorithm_via_hashlib_new)
_hashlib = self._conditional_import_module('_hashlib')
if _hashlib:
# These two algorithms should always be present when this module
# is compiled. If not, something was compiled wrong.
assert hasattr(_hashlib, 'openssl_md5')
assert hasattr(_hashlib, 'openssl_sha1')
for algorithm, constructors in self.constructors_to_test.items():
constructor = getattr(_hashlib, 'openssl_'+algorithm, None)
if constructor:
constructors.add(constructor)
_md5 = self._conditional_import_module('_md5')
if _md5:
self.constructors_to_test['md5'].add(_md5.new)
_sha = self._conditional_import_module('_sha')
if _sha:
self.constructors_to_test['sha1'].add(_sha.new)
_sha256 = self._conditional_import_module('_sha256')
if _sha256:
self.constructors_to_test['sha224'].add(_sha256.sha224)
self.constructors_to_test['sha256'].add(_sha256.sha256)
_sha512 = self._conditional_import_module('_sha512')
if _sha512:
self.constructors_to_test['sha384'].add(_sha512.sha384)
self.constructors_to_test['sha512'].add(_sha512.sha512)
super(HashLibTestCase, self).__init__(*args, **kwargs)
def __init__(self, *args, **kwargs):
algorithms = set()
for algorithm in self.supported_hash_names:
algorithms.add(algorithm.lower())
self.constructors_to_test = {}
for algorithm in algorithms:
self.constructors_to_test[algorithm] = set()
# For each algorithm, test the direct constructor and the use
# of hashlib.new given the algorithm name.
for algorithm, constructors in self.constructors_to_test.items():
constructors.add(getattr(hashlib, algorithm))
def _test_algorithm_via_hashlib_new(data=None, _alg=algorithm):
if data is None:
return hashlib.new(_alg)
return hashlib.new(_alg, data)
constructors.add(_test_algorithm_via_hashlib_new)
_hashlib = self._conditional_import_module('_hashlib')
if _hashlib:
# These two algorithms should always be present when this module
# is compiled. If not, something was compiled wrong.
assert hasattr(_hashlib, 'openssl_md5')
assert hasattr(_hashlib, 'openssl_sha1')
for algorithm, constructors in self.constructors_to_test.items():
constructor = getattr(_hashlib, 'openssl_'+algorithm, None)
if constructor:
constructors.add(constructor)
_md5 = self._conditional_import_module('_md5')
if _md5:
self.constructors_to_test['md5'].add(_md5.new)
_sha = self._conditional_import_module('_sha')
if _sha:
self.constructors_to_test['sha1'].add(_sha.new)
_sha256 = self._conditional_import_module('_sha256')
if _sha256:
self.constructors_to_test['sha224'].add(_sha256.sha224)
self.constructors_to_test['sha256'].add(_sha256.sha256)
_sha512 = self._conditional_import_module('_sha512')
if _sha512:
self.constructors_to_test['sha384'].add(_sha512.sha384)
self.constructors_to_test['sha512'].add(_sha512.sha512)
super(HashLibTestCase, self).__init__(*args, **kwargs)
def install(self, source, dest=None, checksum=None, hash_type='sha1'):
"""
Download and install an archive file, with optional checksum validation.
The checksum can also be given on the `source` URL's fragment.
For example::
handler.install('http://example.com/file.tgz#sha1=deadbeef')
:param str source: URL pointing to an archive file.
:param str dest: Local destination path to install to. If not given,
installs to `$CHARM_DIR/archives/archive_file_name`.
:param str checksum: If given, validate the archive file after download.
:param str hash_type: Algorithm used to generate `checksum`.
Can be any hash alrgorithm supported by :mod:`hashlib`,
such as md5, sha1, sha256, sha512, etc.
"""
url_parts = self.parse_url(source)
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), 'fetched')
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
dld_file = os.path.join(dest_dir, os.path.basename(url_parts.path))
try:
self.download(source, dld_file)
except URLError as e:
raise UnhandledSource(e.reason)
except OSError as e:
raise UnhandledSource(e.strerror)
options = parse_qs(url_parts.fragment)
for key, value in options.items():
if not six.PY3:
algorithms = hashlib.algorithms
else:
algorithms = hashlib.algorithms_available
if key in algorithms:
if len(value) != 1:
raise TypeError(
"Expected 1 hash value, not %d" % len(value))
expected = value[0]
check_hash(dld_file, expected, key)
if checksum:
check_hash(dld_file, checksum, hash_type)
return extract(dld_file, dest)
def install(self, source, dest=None, checksum=None, hash_type='sha1'):
"""
Download and install an archive file, with optional checksum validation.
The checksum can also be given on the `source` URL's fragment.
For example::
handler.install('http://example.com/file.tgz#sha1=deadbeef')
:param str source: URL pointing to an archive file.
:param str dest: Local destination path to install to. If not given,
installs to `$CHARM_DIR/archives/archive_file_name`.
:param str checksum: If given, validate the archive file after download.
:param str hash_type: Algorithm used to generate `checksum`.
Can be any hash alrgorithm supported by :mod:`hashlib`,
such as md5, sha1, sha256, sha512, etc.
"""
url_parts = self.parse_url(source)
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), 'fetched')
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
dld_file = os.path.join(dest_dir, os.path.basename(url_parts.path))
try:
self.download(source, dld_file)
except URLError as e:
raise UnhandledSource(e.reason)
except OSError as e:
raise UnhandledSource(e.strerror)
options = parse_qs(url_parts.fragment)
for key, value in options.items():
if not six.PY3:
algorithms = hashlib.algorithms
else:
algorithms = hashlib.algorithms_available
if key in algorithms:
if len(value) != 1:
raise TypeError(
"Expected 1 hash value, not %d" % len(value))
expected = value[0]
check_hash(dld_file, expected, key)
if checksum:
check_hash(dld_file, checksum, hash_type)
return extract(dld_file, dest)
def install(self, source, dest=None, checksum=None, hash_type='sha1'):
"""
Download and install an archive file, with optional checksum validation.
The checksum can also be given on the `source` URL's fragment.
For example::
handler.install('http://example.com/file.tgz#sha1=deadbeef')
:param str source: URL pointing to an archive file.
:param str dest: Local destination path to install to. If not given,
installs to `$CHARM_DIR/archives/archive_file_name`.
:param str checksum: If given, validate the archive file after download.
:param str hash_type: Algorithm used to generate `checksum`.
Can be any hash alrgorithm supported by :mod:`hashlib`,
such as md5, sha1, sha256, sha512, etc.
"""
url_parts = self.parse_url(source)
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), 'fetched')
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
dld_file = os.path.join(dest_dir, os.path.basename(url_parts.path))
try:
self.download(source, dld_file)
except URLError as e:
raise UnhandledSource(e.reason)
except OSError as e:
raise UnhandledSource(e.strerror)
options = parse_qs(url_parts.fragment)
for key, value in options.items():
if not six.PY3:
algorithms = hashlib.algorithms
else:
algorithms = hashlib.algorithms_available
if key in algorithms:
if len(value) != 1:
raise TypeError(
"Expected 1 hash value, not %d" % len(value))
expected = value[0]
check_hash(dld_file, expected, key)
if checksum:
check_hash(dld_file, checksum, hash_type)
return extract(dld_file, dest)
def install(self, source, dest=None, checksum=None, hash_type='sha1'):
"""
Download and install an archive file, with optional checksum validation.
The checksum can also be given on the `source` URL's fragment.
For example::
handler.install('http://example.com/file.tgz#sha1=deadbeef')
:param str source: URL pointing to an archive file.
:param str dest: Local destination path to install to. If not given,
installs to `$CHARM_DIR/archives/archive_file_name`.
:param str checksum: If given, validate the archive file after download.
:param str hash_type: Algorithm used to generate `checksum`.
Can be any hash alrgorithm supported by :mod:`hashlib`,
such as md5, sha1, sha256, sha512, etc.
"""
url_parts = self.parse_url(source)
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), 'fetched')
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
dld_file = os.path.join(dest_dir, os.path.basename(url_parts.path))
try:
self.download(source, dld_file)
except URLError as e:
raise UnhandledSource(e.reason)
except OSError as e:
raise UnhandledSource(e.strerror)
options = parse_qs(url_parts.fragment)
for key, value in options.items():
if not six.PY3:
algorithms = hashlib.algorithms
else:
algorithms = hashlib.algorithms_available
if key in algorithms:
if len(value) != 1:
raise TypeError(
"Expected 1 hash value, not %d" % len(value))
expected = value[0]
check_hash(dld_file, expected, key)
if checksum:
check_hash(dld_file, checksum, hash_type)
return extract(dld_file, dest)
def install(self, source, dest=None, checksum=None, hash_type='sha1'):
"""
Download and install an archive file, with optional checksum validation.
The checksum can also be given on the `source` URL's fragment.
For example::
handler.install('http://example.com/file.tgz#sha1=deadbeef')
:param str source: URL pointing to an archive file.
:param str dest: Local destination path to install to. If not given,
installs to `$CHARM_DIR/archives/archive_file_name`.
:param str checksum: If given, validate the archive file after download.
:param str hash_type: Algorithm used to generate `checksum`.
Can be any hash alrgorithm supported by :mod:`hashlib`,
such as md5, sha1, sha256, sha512, etc.
"""
url_parts = self.parse_url(source)
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), 'fetched')
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
dld_file = os.path.join(dest_dir, os.path.basename(url_parts.path))
try:
self.download(source, dld_file)
except URLError as e:
raise UnhandledSource(e.reason)
except OSError as e:
raise UnhandledSource(e.strerror)
options = parse_qs(url_parts.fragment)
for key, value in options.items():
if not six.PY3:
algorithms = hashlib.algorithms
else:
algorithms = hashlib.algorithms_available
if key in algorithms:
if len(value) != 1:
raise TypeError(
"Expected 1 hash value, not %d" % len(value))
expected = value[0]
check_hash(dld_file, expected, key)
if checksum:
check_hash(dld_file, checksum, hash_type)
return extract(dld_file, dest)
def install(self, source, dest=None, checksum=None, hash_type='sha1'):
"""
Download and install an archive file, with optional checksum validation.
The checksum can also be given on the `source` URL's fragment.
For example::
handler.install('http://example.com/file.tgz#sha1=deadbeef')
:param str source: URL pointing to an archive file.
:param str dest: Local destination path to install to. If not given,
installs to `$CHARM_DIR/archives/archive_file_name`.
:param str checksum: If given, validate the archive file after download.
:param str hash_type: Algorithm used to generate `checksum`.
Can be any hash alrgorithm supported by :mod:`hashlib`,
such as md5, sha1, sha256, sha512, etc.
"""
url_parts = self.parse_url(source)
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), 'fetched')
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
dld_file = os.path.join(dest_dir, os.path.basename(url_parts.path))
try:
self.download(source, dld_file)
except URLError as e:
raise UnhandledSource(e.reason)
except OSError as e:
raise UnhandledSource(e.strerror)
options = parse_qs(url_parts.fragment)
for key, value in options.items():
if not six.PY3:
algorithms = hashlib.algorithms
else:
algorithms = hashlib.algorithms_available
if key in algorithms:
if len(value) != 1:
raise TypeError(
"Expected 1 hash value, not %d" % len(value))
expected = value[0]
check_hash(dld_file, expected, key)
if checksum:
check_hash(dld_file, checksum, hash_type)
return extract(dld_file, dest)
def install(self, source, dest=None, checksum=None, hash_type='sha1'):
"""
Download and install an archive file, with optional checksum validation.
The checksum can also be given on the `source` URL's fragment.
For example::
handler.install('http://example.com/file.tgz#sha1=deadbeef')
:param str source: URL pointing to an archive file.
:param str dest: Local destination path to install to. If not given,
installs to `$CHARM_DIR/archives/archive_file_name`.
:param str checksum: If given, validate the archive file after download.
:param str hash_type: Algorithm used to generate `checksum`.
Can be any hash alrgorithm supported by :mod:`hashlib`,
such as md5, sha1, sha256, sha512, etc.
"""
url_parts = self.parse_url(source)
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), 'fetched')
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
dld_file = os.path.join(dest_dir, os.path.basename(url_parts.path))
try:
self.download(source, dld_file)
except URLError as e:
raise UnhandledSource(e.reason)
except OSError as e:
raise UnhandledSource(e.strerror)
options = parse_qs(url_parts.fragment)
for key, value in options.items():
if not six.PY3:
algorithms = hashlib.algorithms
else:
algorithms = hashlib.algorithms_available
if key in algorithms:
if len(value) != 1:
raise TypeError(
"Expected 1 hash value, not %d" % len(value))
expected = value[0]
check_hash(dld_file, expected, key)
if checksum:
check_hash(dld_file, checksum, hash_type)
return extract(dld_file, dest)
def install(self, source, dest=None, checksum=None, hash_type='sha1'):
"""
Download and install an archive file, with optional checksum validation.
The checksum can also be given on the `source` URL's fragment.
For example::
handler.install('http://example.com/file.tgz#sha1=deadbeef')
:param str source: URL pointing to an archive file.
:param str dest: Local destination path to install to. If not given,
installs to `$CHARM_DIR/archives/archive_file_name`.
:param str checksum: If given, validate the archive file after download.
:param str hash_type: Algorithm used to generate `checksum`.
Can be any hash alrgorithm supported by :mod:`hashlib`,
such as md5, sha1, sha256, sha512, etc.
"""
url_parts = self.parse_url(source)
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), 'fetched')
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
dld_file = os.path.join(dest_dir, os.path.basename(url_parts.path))
try:
self.download(source, dld_file)
except URLError as e:
raise UnhandledSource(e.reason)
except OSError as e:
raise UnhandledSource(e.strerror)
options = parse_qs(url_parts.fragment)
for key, value in options.items():
if not six.PY3:
algorithms = hashlib.algorithms
else:
algorithms = hashlib.algorithms_available
if key in algorithms:
if len(value) != 1:
raise TypeError(
"Expected 1 hash value, not %d" % len(value))
expected = value[0]
check_hash(dld_file, expected, key)
if checksum:
check_hash(dld_file, checksum, hash_type)
return extract(dld_file, dest)
def install(self, source, dest=None, checksum=None, hash_type='sha1'):
"""
Download and install an archive file, with optional checksum validation.
The checksum can also be given on the `source` URL's fragment.
For example::
handler.install('http://example.com/file.tgz#sha1=deadbeef')
:param str source: URL pointing to an archive file.
:param str dest: Local destination path to install to. If not given,
installs to `$CHARM_DIR/archives/archive_file_name`.
:param str checksum: If given, validate the archive file after download.
:param str hash_type: Algorithm used to generate `checksum`.
Can be any hash alrgorithm supported by :mod:`hashlib`,
such as md5, sha1, sha256, sha512, etc.
"""
url_parts = self.parse_url(source)
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), 'fetched')
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
dld_file = os.path.join(dest_dir, os.path.basename(url_parts.path))
try:
self.download(source, dld_file)
except URLError as e:
raise UnhandledSource(e.reason)
except OSError as e:
raise UnhandledSource(e.strerror)
options = parse_qs(url_parts.fragment)
for key, value in options.items():
if not six.PY3:
algorithms = hashlib.algorithms
else:
algorithms = hashlib.algorithms_available
if key in algorithms:
if len(value) != 1:
raise TypeError(
"Expected 1 hash value, not %d" % len(value))
expected = value[0]
check_hash(dld_file, expected, key)
if checksum:
check_hash(dld_file, checksum, hash_type)
return extract(dld_file, dest)