def test_get_script_header_jython_workaround(self, tmpdir):
# Create a mock sys.executable that uses a shebang line
header = DALS("""
#!/usr/bin/python
# -*- coding: utf-8 -*-
""")
exe = tmpdir / 'exe.py'
with exe.open('w') as f:
f.write(header)
exe = str(exe)
header = ScriptWriter.get_script_header('#!/usr/local/bin/python',
executable=exe)
assert header == '#!/usr/bin/env %s\n' % exe
expect_out = 'stdout' if sys.version_info < (2,7) else 'stderr'
with contexts.quiet() as (stdout, stderr):
# When options are included, generate a broken shebang line
# with a warning emitted
candidate = ScriptWriter.get_script_header('#!/usr/bin/python -x',
executable=exe)
assert candidate == '#!%s -x\n' % exe
output = locals()[expect_out]
assert 'Unable to adapt shebang line' in output.getvalue()
with contexts.quiet() as (stdout, stderr):
candidate = ScriptWriter.get_script_header('#!/usr/bin/python',
executable=self.non_ascii_exe)
assert candidate == '#!%s -x\n' % self.non_ascii_exe
output = locals()[expect_out]
assert 'Unable to adapt shebang line' in output.getvalue()
def test_get_script_header_jython_workaround(self, tmpdir):
# Create a mock sys.executable that uses a shebang line
header = DALS("""
#!/usr/bin/python
# -*- coding: utf-8 -*-
""")
exe = tmpdir / 'exe.py'
with exe.open('w') as f:
f.write(header)
exe = str(exe)
header = ScriptWriter.get_script_header('#!/usr/local/bin/python',
executable=exe)
assert header == '#!/usr/bin/env %s\n' % exe
expect_out = 'stdout' if sys.version_info < (2,7) else 'stderr'
with contexts.quiet() as (stdout, stderr):
# When options are included, generate a broken shebang line
# with a warning emitted
candidate = ScriptWriter.get_script_header('#!/usr/bin/python -x',
executable=exe)
assert candidate == '#!%s -x\n' % exe
output = locals()[expect_out]
assert 'Unable to adapt shebang line' in output.getvalue()
with contexts.quiet() as (stdout, stderr):
candidate = ScriptWriter.get_script_header('#!/usr/bin/python',
executable=self.non_ascii_exe)
assert candidate == '#!%s -x\n' % self.non_ascii_exe
output = locals()[expect_out]
assert 'Unable to adapt shebang line' in output.getvalue()
def test_get_script_args(self):
dist = FakeDist()
args = next(ScriptWriter.get_args(dist))
name, script = itertools.islice(args, 2)
assert script == WANTED
def test_get_script_args(self):
dist = FakeDist()
args = next(ScriptWriter.get_args(dist))
name, script = itertools.islice(args, 2)
assert script == WANTED
def test_sys_executable(self):
"""
CommandSpec.from_string(sys.executable) should contain just that param.
"""
writer = ScriptWriter.best()
cmd = writer.command_spec_class.from_string(sys.executable)
assert len(cmd) == 1
assert cmd[0] == sys.executable
def test_get_script_header(self):
expected = '#!%s\n' % nt_quote_arg(os.path.normpath(sys.executable))
actual = ScriptWriter.get_script_header('#!/usr/local/bin/python')
assert actual == expected
expected = '#!%s -x\n' % nt_quote_arg(os.path.normpath(sys.executable))
actual = ScriptWriter.get_script_header('#!/usr/bin/python -x')
assert actual == expected
actual = ScriptWriter.get_script_header('#!/usr/bin/python',
executable=self.non_ascii_exe)
expected = '#!%s -x\n' % self.non_ascii_exe
assert actual == expected
actual = ScriptWriter.get_script_header('#!/usr/bin/python',
executable='"'+self.exe_with_spaces+'"')
expected = '#!"%s"\n' % self.exe_with_spaces
assert actual == expected
def install_py3_cmd(installer):
"""Attempt to overwrite /bin/py3-cmd with efficient version"""
py_cmd = ScriptWriter.get_header()
script_text = PY3_CMD_SCRIPT_TEXT.format(py_cmd)
try:
installer.write_script('py3-cmd', _to_ascii(script_text), 'b')
except AttributeError:
# building wheel etc
pass
def install_py3_cmd(installer):
"""Attempt to overwrite /bin/py3-cmd with efficient version"""
py_cmd = ScriptWriter.get_header()
script_text = PY3_CMD_SCRIPT_TEXT.format(py_cmd)
try:
installer.write_script('py3-cmd', _to_ascii(script_text), 'b')
except AttributeError:
# building wheel etc
pass
def test_get_script_header(self):
expected = '#!%s\n' % nt_quote_arg(os.path.normpath(sys.executable))
actual = ScriptWriter.get_script_header('#!/usr/local/bin/python')
assert actual == expected
expected = '#!%s -x\n' % nt_quote_arg(os.path.normpath(sys.executable))
actual = ScriptWriter.get_script_header('#!/usr/bin/python -x')
assert actual == expected
actual = ScriptWriter.get_script_header('#!/usr/bin/python',
executable=self.non_ascii_exe)
expected = '#!%s -x\n' % self.non_ascii_exe
assert actual == expected
actual = ScriptWriter.get_script_header('#!/usr/bin/python',
executable='"'+self.exe_with_spaces+'"')
expected = '#!"%s"\n' % self.exe_with_spaces
assert actual == expected
def test_dist_get_writer_deprecated(self):
with pytest.warns(EasyInstallDeprecationWarning):
ScriptWriter.get_writer(None)