Regain Python 3.2 support

This commit is contained in:
Darko Poljak 2020-06-11 09:22:06 +02:00
parent 74e5d7182a
commit 151aa80ebd
11 changed files with 89 additions and 24 deletions

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@ -129,7 +129,8 @@ class Config(object):
@staticmethod
def hosts(source):
try:
yield from cdist.hostsource.HostSource(source)()
for x in cdist.hostsource.HostSource(source)():
yield x
except (IOError, OSError, UnicodeError) as e:
raise cdist.Error(
"Error reading hosts from \'{}\': {}".format(

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@ -28,6 +28,11 @@ import cdist.core
from cdist.util import fsproperty
# FileNotFoundError is added in 3.3.
if not hasattr(__builtins__, 'FileNotFoundError'):
FileNotFoundError = (OSError, IOError, )
class IllegalObjectIdError(cdist.Error):
def __init__(self, object_id, message=None):
self.object_id = object_id

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@ -26,6 +26,11 @@ import cdist.core
import logging
# FileNotFoundError is added in 3.3.
if not hasattr(__builtins__, 'FileNotFoundError'):
FileNotFoundError = (OSError, IOError, )
class InvalidTypeError(cdist.Error):
def __init__(self, name, type_path, type_absolute_path):
self.name = name

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@ -26,6 +26,12 @@ import os
import cdist
from . import util
# FileNotFoundError is added in 3.3.
if not hasattr(__builtins__, 'FileNotFoundError'):
FileNotFoundError = (OSError, IOError, )
'''
common:
runs only locally, does not need remote

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@ -32,6 +32,11 @@ from cdist import flock
from cdist.core.manifest import Manifest
# FileNotFoundError is added in 3.3.
if not hasattr(__builtins__, 'FileNotFoundError'):
FileNotFoundError = (OSError, IOError, )
class MissingRequiredEnvironmentVariableError(cdist.Error):
def __init__(self, name):
self.name = name

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@ -191,9 +191,14 @@ class Local(object):
close_stdout = False
close_stderr = False
stderr_special_devnull = False
stdout_special_devnull = False
if quiet:
stderr = subprocess.DEVNULL
stdout = subprocess.DEVNULL
stderr, close_stderr = util._get_devnull()
stderr_special_devnull = not close_stderr
stdout, close_stdout = util._get_devnull()
stdout_special_devnull = not close_stdout
elif do_save_output:
if not return_output and stdout is None:
stdout = util.get_std_fd(self.stdout_base_path, 'local')
@ -228,8 +233,10 @@ class Local(object):
output = None
if do_save_output:
util.log_std_fd(self.log, command, stderr, 'Local stderr')
util.log_std_fd(self.log, command, stdout, 'Local stdout')
if not stderr_special_devnull:
util.log_std_fd(self.log, command, stderr, 'Local stderr')
if not stdout_special_devnull:
util.log_std_fd(self.log, command, stdout, 'Local stdout')
return output
except (OSError, subprocess.CalledProcessError) as error:
raise cdist.Error(" ".join(command) + ": " + str(error.args[1]))
@ -237,9 +244,15 @@ class Local(object):
if message_prefix:
message.merge_messages()
if close_stdout:
stdout.close()
if isinstance(stdout, int):
os.close(stdout)
else:
stdout.close()
if close_stderr:
stderr.close()
if isinstance(stderr, int):
os.close(stderr)
else:
stderr.close()
def run_script(self, script, env=None, return_output=False,
message_prefix=None, stdout=None, stderr=None):

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@ -24,12 +24,10 @@ import os
import glob
import subprocess
import logging
import multiprocessing
import cdist
import cdist.exec.util as util
import cdist.util.ipaddr as ipaddr
from cdist.mputil import mp_pool_run
def _wrap_addr(addr):
@ -298,10 +296,11 @@ class Remote(object):
os_environ['__target_fqdn'] = self.target_host[2]
self.log.trace("Remote run: %s", command)
special_devnull = False
try:
if self.quiet_mode:
stderr = subprocess.DEVNULL
close_stderr = False
stderr, close_stderr = util._get_devnull()
special_devnull = not close_stderr
if return_output:
output = subprocess.check_output(command, env=os_environ,
stderr=stderr).decode()
@ -311,7 +310,8 @@ class Remote(object):
output = None
if self.save_output_streams:
util.log_std_fd(self.log, command, stderr, 'Remote stderr')
if not special_devnull:
util.log_std_fd(self.log, command, stderr, 'Remote stderr')
util.log_std_fd(self.log, command, stdout, 'Remote stdout')
return output
@ -323,4 +323,7 @@ class Remote(object):
if close_stdout:
stdout.close()
if close_stderr:
stderr.close()
if isinstance(stderr, int):
os.close(stderr)
else:
stderr.close()

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@ -172,11 +172,19 @@ def get_std_fd(base_path, name):
return stdfd
def log_std_fd(log, command, stdfd, prefix):
if stdfd is not None and stdfd != subprocess.DEVNULL:
stdfd.seek(0, 0)
log.trace("Command: {}; {}: {}".format(
command, prefix, stdfd.read().decode()))
# subprocess.DEVNULL is added in 3.3.
if hasattr(subprocess, 'DEVNULL'):
def log_std_fd(log, command, stdfd, prefix):
if stdfd is not None and stdfd != subprocess.DEVNULL:
stdfd.seek(0, 0)
log.trace("Command: {}; {}: {}".format(command, prefix,
stdfd.read().decode()))
else:
def log_std_fd(log, command, stdfd, prefix):
if stdfd is not None and not isinstance(stdfd, int):
stdfd.seek(0, 0)
log.trace("Command: {}; {}: {}".format(command, prefix,
stdfd.read().decode()))
def dist_conf_dir():
@ -210,3 +218,11 @@ def resolve_conf_dirs_from_config_and_args(args):
cfg = cdist.configuration.Configuration(args)
configuration = cfg.get_config(section='GLOBAL')
return resolve_conf_dirs(configuration, args.conf_dir)
# subprocess.DEVNULL is added in 3.3.
def _get_devnull():
if hasattr(subprocess, 'DEVNULL'):
return (subprocess.DEVNULL, False)
else:
return (os.open(os.devnull, os.O_RDWR), True)

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@ -24,6 +24,11 @@ import logging
import os
# FileNotFoundError is added in 3.3.
if not hasattr(__builtins__, 'FileNotFoundError'):
FileNotFoundError = (OSError, IOError, )
log = logging.getLogger('cdist-flock')

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@ -68,9 +68,12 @@ class HostSource(object):
return
if isinstance(self.source, str):
yield from self._hosts_from_file()
for x in self._hosts_from_file():
yield x
else:
yield from self._hosts_from_sequence()
for x in self._hosts_from_sequence():
yield x
def __call__(self):
yield from self.hosts()
for x in self.hosts():
yield x

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@ -43,18 +43,21 @@ def scan_preos_dir_plugins(dir):
module_name = fname
try:
module = __import__(module_name)
yield from preos_plugin(module)
for x in preos_plugin(module):
yield x
clsmembers = inspect.getmembers(module, inspect.isclass)
for cm in clsmembers:
c = cm[1]
yield from preos_plugin(c)
for x in preos_plugin(c):
yield x
except ImportError as e:
log.warning("Cannot import '{}': {}".format(module_name, e))
def find_preos_plugins():
for dir in _PLUGINS_PATH:
yield from scan_preos_dir_plugins(dir)
for x in scan_preos_dir_plugins(dir):
yield x
def find_preoses():