def test_resolve_one_level(self): tmp1 = self.make_temp_file(suffix = '-one') tmp2 = self.make_temp_file(suffix = '-two') file_util.remove(tmp2) os.symlink(tmp1, tmp2) self.assertEqual( tmp1, file_symlink.resolve(tmp1) ) self.assertEqual( tmp1, file_symlink.resolve(tmp2) )
def test_resolve_cyclic_error(self):
tmp1 = self.make_temp_file(suffix = '-one')
tmp2 = self.make_temp_file(suffix = '-two')
file_util.remove(tmp2)
os.symlink(tmp1, tmp2)
file_util.remove(tmp1)
os.symlink(tmp2, tmp1)
with self.assertRaises(IOError) as ctx:
file_symlink.resolve(tmp1)
self.assertTrue( 'Cyclic error' in str(ctx.exception) )
def test_resolve_two_levels(self): tmp1 = self.make_temp_file() tmp2 = self.make_temp_file() tmp3 = self.make_temp_file() file_util.remove(tmp2) file_util.remove(tmp3) os.symlink(tmp1, tmp2) os.symlink(tmp2, tmp3) self.assertEqual( tmp1, file_symlink.resolve(tmp1) ) self.assertEqual( tmp1, file_symlink.resolve(tmp2) ) self.assertEqual( tmp1, file_symlink.resolve(tmp3) )
def _source_is_brew(clazz, exe):
'Return True if python executable is from brew'
# First check the exe itself to see if its in the brew "cellar"
actual_exe = file_symlink.resolve(exe)
if 'cellar' in actual_exe.lower():
return True
# Next check the exe prefix standard to brew to check if that is in the brew "cellar"
if actual_exe.startswith('/usr/local/opt/python@'):
parts = file_path.split(actual_exe)
prefix = file_path.join(parts[0:5])
actual_prefix = file_symlink.resolve(prefix)
if 'cellar' in actual_prefix.lower():
return True
return False
def _make_info(clazz, exe):
main_exe, exe_links = clazz._determine_main_exe_and_links(exe)
from .python_installation import python_installation
piv = python_installation(main_exe)
sys_executable = python_script.sys_executable(main_exe)
real_executable = file_symlink.resolve(sys_executable)
source = python_source.exe_source(main_exe)
version = clazz.version(main_exe)
full_version = clazz.full_version(main_exe)
return python_exe_info(main_exe, full_version, source, sys_executable,
real_executable, exe_links, piv.pip_exe)
def _make_read_only_temp_file(self):
from bes.fs.file_util import file_util
tmp = self._make_temp_file('this is foo\n')
print('B4: tmp={} mode={}'.format(tmp, file_util.mode(tmp)))
import os
# os.chmod(tmp, stat.S_IREAD)
os.chmod(tmp, 0o0400)
print('AF: tmp={} mode={}'.format(tmp, file_util.mode(tmp)))
return tmp
if host.is_unix():
return file_symlink.resolve('/bin/sh')
elif host.is_windows():
return r'C:\Windows\System32\cmd.exe'
else:
host.raise_unsupported_system()
def test_is_binary_unix(self):
self.assertTrue(file_mime.is_binary(file_symlink.resolve('/bin/sh')))