def testMixed(self):
d = {'a':'b', 'c':'d'}
l = ['e', 'f', 'g', 'h']
s = set(['i', 'j', 'k'])
# mixed types in a dictionary
md = {'d': d, 'l': l, 's': s, 'str': 'hello'}
jmd = to_java(md)
self.assertEqual(len(md), jmd.size())
for k, v in md.items():
jk = to_java(k)
self.assertTrue(jmd.containsKey(jk))
self.assertEqual(v, to_python(jmd.get(jk)))
pmd = to_python(jmd)
self.assertEqual(md, pmd)
self.assertEqual(str(md), str(pmd))
# mixed types in a list
ml = [d, l, s, 'hello']
jml = to_java(ml)
for e, a in zip(ml, jml):
self.assertEqual(e, to_python(a))
pml = to_python(jml)
self.assertEqual(ml, pml)
self.assertEqual(str(ml), str(pml))
def testDict(self):
d = {
'access_log': [
{'stored_proc': 'getsomething'},
{'uses': [
{'usedin': 'some->bread->crumb'},
{'usedin': 'something else here'},
{'stored_proc': 'anothersp'}
]},
{'uses': [
{'usedin': 'blahblah'}
]}
],
'reporting': [
{'stored_proc': 'reportingsp'},
{'uses': [{'usedin': 'breadcrumb'}]}
]
}
jd = to_java(d)
self.assertEqual(len(d), jd.size())
for k, v in d.items():
jk = to_java(k)
self.assertTrue(jd.containsKey(jk))
self.assertEqual(v, to_python(jd.get(jk)))
pd = to_python(jd)
self.assertEqual(d, pd)
self.assertEqual(str(d), str(pd))
def testList(self):
l = 'The quick brown fox jumps over the lazy dogs'.split()
jl = to_java(l)
for e, a in zip(l, jl):
self.assertEqual(e, to_python(a))
pl = to_python(jl)
self.assertEqual(l, pl)
self.assertEqual(str(l), str(pl))
self.assertEqual(pl[1], 'quick')
pl[7] = 'silly'
self.assertEqual('The quick brown fox jumps over the silly dogs', ' '.join(pl))
def testBoolean(self):
jt = to_java(True)
self.assertEqual(True, jt.booleanValue())
pt = to_python(jt)
self.assertEqual(True, pt)
self.assertEqual('True', str(pt))
jf = to_java(False)
self.assertEqual(False, jf.booleanValue())
pf = to_python(jf)
self.assertEqual(False, pf)
self.assertEqual('False', str(pf))
def testGentle(self):
Object = jimport('java.lang.Object')
unknown_thing = Object()
converted_thing = to_python(unknown_thing, gentle=True)
assert type(converted_thing) == Object
bad_conversion = None
try:
bad_conversion = to_python(unknown_thing)
except:
# NB: Failure is expected here.
pass
self.assertIsNone(bad_conversion)
def testBigInteger(self):
bi = 9879999999999999789
jbi = to_java(bi)
self.assertEqual(bi, int(str(jbi.toString())))
pbi = to_python(jbi)
self.assertEqual(bi, pbi)
self.assertEqual(str(bi), str(pbi))
def testLong(self):
l = 4000000001
jl = to_java(l)
self.assertEqual(l, jl.longValue())
pl = to_python(jl)
self.assertEqual(l, pl)
self.assertEqual(str(l), str(pl))
def testInteger(self):
i = 5
ji = to_java(i)
self.assertEqual(i, ji.intValue())
pi = to_python(ji)
self.assertEqual(i, pi)
self.assertEqual(str(i), str(pi))
def testString(self):
s = 'Hello world!'
js = to_java(s)
for e, a in zip(s, js.toCharArray()):
self.assertEqual(e, a)
ps = to_python(js)
self.assertEqual(s, ps)
self.assertEqual(str(s), str(ps))
def testSet(self):
s = set(['orange', 'apple', 'pineapple', 'plum'])
js = to_java(s)
self.assertEqual(len(s), js.size())
for e in s:
self.assertTrue(js.contains(to_java(e)))
ps = to_python(js)
self.assertEqual(s, ps)
self.assertEqual(str(s), str(ps))
def testNone(self):
d = {'key':None, None:'value', 'foo':'bar'}
jd = to_java(d)
self.assertEqual(3, jd.size())
self.assertEqual(None, jd.get('key'))
self.assertEqual('value', jd.get(None))
self.assertEqual('bar', jd.get('foo'))
pd = to_python(jd)
self.assertEqual(d, pd)
def from_java(self, data):
"""
Converts the data into a python equivalent
"""
if not isjava(data): return data
if self._ij.convert().supports(data, Dataset):
# HACK: Converter exists for ImagePlus -> Dataset, but not ImagePlus -> RAI.
data = self._ij.convert().convert(data, Dataset)
if (self._ij.convert().supports(data, RandomAccessibleInterval)):
rai = self._ij.convert().convert(data, RandomAccessibleInterval)
return self.rai_to_numpy(rai)
return to_python(data)
def from_java(self, data):
"""
Converts the data into a python equivalent
"""
# todo: convert a datset to xarray
if not isjava(data): return data
try:
if self._ij.convert().supports(data, Dataset):
# HACK: Converter exists for ImagePlus -> Dataset, but not ImagePlus -> RAI.
data = self._ij.convert().convert(data, Dataset)
return self._dataset_to_xarray(data)
if self._ij.convert().supports(data, RandomAccessibleInterval):
rai = self._ij.convert().convert(data,
RandomAccessibleInterval)
return self.rai_to_numpy(rai)
except Exception as exc:
_dump_exception(exc)
raise exc
return to_python(data)
def testStructureWithSomeUnsupportedItems(self):
# Create Java data structure with some challenging items.
Object = jimport('java.lang.Object')
jmap = to_java({
'list': ['a', Object(), 1],
'set': {'x', Object(), 2},
'object': Object(),
'foo': 'bar'
})
self.assertEqual('java.util.LinkedHashMap', jclass(jmap).getName())
# Convert it back to Python.
pdict = to_python(jmap)
l = pdict['list']
self.assertEqual(pdict['list'][0], 'a')
assert type(pdict['list'][1]) == Object
assert pdict['list'][2] == 1
assert 'x' in pdict['set']
assert 2 in pdict['set']
assert len(pdict['set']) == 3
assert type(pdict['object']) == Object
self.assertEqual(pdict['foo'], 'bar')
def _parser(self) -> None:
""""A method to parse imagej ops help and extract imagej op information.
This method utilizes the python re module to parse the imagej instance
ops help. The method then instantiates class Op and class Plugin
objects to store information about the ops and methods. Finally relevant
information about the ops and methods is written to the log file.
Args:
None
Returns:
None
Raises:
None
"""
# Get list of all available ops to be converted to plugins
plugins = scyjava.to_python(self._ij.op().ops().iterator())
# Complile the regular expression search pattern for op overloading
# methods
re_path = re.compile(r'\t(?P<path>.*\.)(?P<name>.*)(?=\()')
# Coompile the regular expression search pattern for the input data
# types and title
re_inputs = re.compile(r'(?<=\t\t)(.*?)\s(.*)(?=,|\))')
# Complile the regular expression search pattern for the outputs
re_output = re.compile(r'^\((.*?)\s(.*)\)')
# Create a counter for number of ops parsed
ops_count = 0
# Iterate over all ops
for plugin in plugins:
# Add the plugin to the dictionary
self._plugins[plugin] = Plugin(plugin)
# Get the help info about the plugin/op
op_docs = scyjava.to_python(self._ij.op().help(plugin))
# Split the help string into seperate ops
split_ops = re.split(r'\t(?=\()', op_docs)
# Iterate over all op methods in the plugin/op
for op_doc in split_ops[1:]:
# Increment the ops parsed count
ops_count += 1
# Search for op path and name
op_path = re_path.search(op_doc).groupdict()
# Save op name and full path
name = op_path['name']
full_path = op_path['path'] + name
# Find all inputs
inputs = re_inputs.findall(op_doc)
# Search for output
output = re_output.findall(op_doc)[0]
# Create an Op object to store the op data
op = Op(plugin, name, full_path, inputs, output)
# Check if the op is supported
if op.partial_support:
support_msg = True
else:
support_msg = op.support_msg
# Log the plugin info to the main log
self._logger.info(
self._msg.format(counter=ops_count,
plugin=plugin,
name=name,
full_path=full_path,
inputs=op._inputs,
output=op._output,
support=support_msg))
# Add the overlaoding method to the plugin/op
self._plugins[plugin].add_op(op)