def test_teleport(self):
"""Test draw teleport circuit."""
filename = self._get_resource_path('test_teleport.tex')
qr = qiskit.QuantumRegister(3, 'q')
cr = qiskit.ClassicalRegister(3, 'c')
qc = qiskit.QuantumCircuit(qr, cr)
# Prepare an initial state
qc.u3(0.3, 0.2, 0.1, qr[0])
# Prepare a Bell pair
qc.h(qr[1])
qc.cx(qr[1], qr[2])
# Barrier following state preparation
qc.barrier(qr)
# Measure in the Bell basis
qc.cx(qr[0], qr[1])
qc.h(qr[0])
qc.measure(qr[0], cr[0])
qc.measure(qr[1], cr[1])
# Apply a correction
qc.z(qr[2]).c_if(cr, 1)
qc.x(qr[2]).c_if(cr, 2)
qc.measure(qr[2], cr[2])
try:
generate_latex_source(qc, filename)
self.assertNotEqual(os.path.exists(filename), False)
finally:
if os.path.exists(filename):
os.remove(filename)
def test_normal_circuit(self):
filename = self._get_resource_path('test_normal.tex')
qc = self.random_circuit(5, 5, 3)
try:
generate_latex_source(qc, filename)
self.assertNotEqual(os.path.exists(filename), False)
finally:
if os.path.exists(filename):
os.remove(filename)
def test_wide_circuit(self):
"""Test draw wide circuit."""
filename = self._get_resource_path('test_wide.tex')
qc = self.random_circuit(100, 1, 1)
try:
generate_latex_source(qc, filename)
self.assertNotEqual(os.path.exists(filename), False)
finally:
if os.path.exists(filename):
os.remove(filename)
def circuit_drawer(circuit, filename, directory=None):
"""Saves circuit to pdf
Parameters:
circuit (QuantumCircuit, DAGCircuit, Qasm): input circuit, better in Qasm format
filename (str): filename to write pdf, file extension not needed
directory (str): directory where the circuit will be saved
"""
if isinstance(circuit, DAGCircuit):
circuit = load_qasm_string(circuit.qasm())
elif isinstance(circuit, str):
circuit = load_qasm_string(circuit)
elif isinstance(circuit, Qasm):
circuit = load_qasm_string(circuit.parse())
if directory is None:
directory = ''
generate_latex_source(circuit,
directory + filename + '.tex',
basis="id,u0,u1,u2,u3,x,y,z,h,s,sdg,t,tdg,rx,ry,rz,"
"cx,cy,cz,ch,crz,cu1,cu3,swap,ccx,cswap",
scale=0.8)
if directory == '':
cmd = ['pdflatex', '-interaction', 'nonstopmode', '%s.tex' % filename]
else:
cmd = [
'pdflatex', '-interaction', 'nonstopmode', '-output-directory',
directory,
'%s.tex' % filename
]
proc = subprocess.Popen(cmd, stdout=subprocess.DEVNULL)
proc.communicate()
retcode = proc.returncode
if not retcode == 0:
raise ValueError('Error {} executing command: {}'.format(
retcode, ' '.join(cmd)))
os.unlink('%s.log' % (directory + filename))
os.unlink('%s.toc' % (directory + filename))
os.unlink('%s.snm' % (directory + filename))
os.unlink('%s.nav' % (directory + filename))
os.unlink('%s.aux' % (directory + filename))