def _execute(self, args, log=True):
"""Executes the given command inside the environment and returns the output."""
if not self._ready:
self.open_or_create()
output = ''
error = ''
try:
if args[0] == 'pip':
args += ['--disable-pip-version-check']
proc = subprocess.Popen(args, cwd=self.path, env=self.env, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
output, error = proc.communicate()
returncode = proc.returncode
if returncode:
raise subprocess.CalledProcessError(returncode, proc, (output, error))
return to_text(output)
except OSError as e:
# raise a more meaningful error with the program name
prog = args[0]
if prog[0] != os.sep:
prog = os.path.join(self.path, prog)
raise OSError('%s: %s' % (prog, six.u(e)))
except subprocess.CalledProcessError as e:
output, error = e.output
e.output = output
raise e
finally:
if log:
try:
self._write_to_log(to_text(output))
self._write_to_error(to_text(error))
except NameError:
pass # We tried
def _execute(self, args, log=True):
"""Executes the given command inside the environment and returns the output."""
if not self._ready:
self.open_or_create()
output = ''
error = ''
try:
proc = subprocess.Popen(args, cwd=self.path, env=self.env, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
output, error = proc.communicate()
returncode = proc.returncode
if returncode:
raise subprocess.CalledProcessError(returncode, proc, (output, error))
return to_text(output)
except OSError as e:
# raise a more meaningful error with the program name
prog = args[0]
if prog[0] != os.sep:
prog = os.path.join(self.path, prog)
raise OSError('%s: %s' % (prog, six.u(str(e))))
except subprocess.CalledProcessError as e:
output, error = e.output
e.output = output
raise e
finally:
if log:
try:
self._write_to_log(to_text(output))
self._write_to_error(to_text(error))
except NameError:
pass # We tried
def _write_to_error(self, s, truncate=False):
"""Writes the given output to the error file, appending unless `truncate` is True."""
# if truncate is True, set write mode to truncate
with open(self._errorfile, 'w' if truncate else 'a') as fp:
fp.writelines((to_text(s)), )
def _write_to_error(self, s, truncate=False):
"""Writes the given output to the error file, appending unless `truncate` is True."""
# if truncate is True, set write mode to truncate
with open(self._errorfile, 'w' if truncate else 'a') as fp:
fp.writelines((to_text(s)), )