def test_script_defaults():
ip = get_ipython()
for cmd in ['sh', 'bash', 'perl', 'ruby']:
try:
find_cmd(cmd)
except Exception:
pass
else:
nt.assert_in(cmd, ip.magics_manager.magics['cell'])
def test_script_defaults():
ip = get_ipython()
for cmd in ['sh', 'bash', 'perl', 'ruby']:
try:
find_cmd(cmd)
except Exception:
pass
else:
nt.assert_in(cmd, ip.magics_manager.magics['cell'])
def kpsewhich(filename):
"""Invoke kpsewhich command with an argument `filename`."""
try:
find_cmd("kpsewhich")
proc = subprocess.Popen(["kpsewhich", filename],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
(stdout, stderr) = proc.communicate()
return stdout.strip().decode('utf8', 'replace')
except FindCmdError:
pass
def test_exit_code_signal_csh(self):
SHELL = os.environ.get('SHELL', None)
os.environ['SHELL'] = find_cmd("csh")
try:
self.test_exit_code_signal()
finally:
if SHELL is not None:
os.environ['SHELL'] = SHELL
else:
del os.environ['SHELL']
def test_exit_code_signal_csh(self):
SHELL = os.environ.get('SHELL', None)
os.environ['SHELL'] = find_cmd("csh")
try:
self.test_exit_code_signal()
finally:
if SHELL is not None:
os.environ['SHELL'] = SHELL
else:
del os.environ['SHELL']
def latex_to_png_dvipng(s, wrap):
try:
find_cmd('latex')
find_cmd('dvipng')
except FindCmdError:
return None
try:
workdir = tempfile.mkdtemp()
tmpfile = os.path.join(workdir, "tmp.tex")
dvifile = os.path.join(workdir, "tmp.dvi")
outfile = os.path.join(workdir, "tmp.png")
with open(tmpfile, "w", encoding='utf8') as f:
f.writelines(genelatex(s, wrap))
with open(os.devnull, 'wb') as devnull:
subprocess.check_call([
"latex", "-halt-on-error", "-interaction", "batchmode", tmpfile
],
cwd=workdir,
stdout=devnull,
stderr=devnull)
subprocess.check_call([
"dvipng", "-T", "tight", "-x", "1500", "-z", "9", "-bg",
"transparent", "-o", outfile, dvifile
],
cwd=workdir,
stdout=devnull,
stderr=devnull)
with open(outfile, "rb") as f:
return f.read()
except subprocess.CalledProcessError:
return None
finally:
shutil.rmtree(workdir)
def test_find_cmd_pythonw():
"""Try to find pythonw on Windows."""
path = find_cmd('pythonw')
assert path.lower().endswith('pythonw.exe'), path
def test_find_cmd_ls():
"""Make sure we can find the full path to ls."""
path = find_cmd('ls')
nt.assert_true(path.endswith('ls'))