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'User constructor'
def __init__(self, content):
super(User, self).__init__(content=content)
'Constructor for OCUser'
def __init__(self, config, groups=None, verbose=False):
super(OCUser, self).__init__('default', config.kubeconfig) self.config = config self.groups = groups self._user = None
'property function user'
@property def user(self):
if (not self._user): self.get() return self._user
'setter function for user'
@user.setter def user(self, data):
self._user = data
'return whether a user exists'
def exists(self):
if self.user: return True return False
'return user information'
def get(self):
result = self._get(self.kind, self.config.username) if (result['returncode'] == 0): self.user = User(content=result['results'][0]) elif (('users "%s" not found' % self.config.username) in result['stderr']): result['returncode'] = 0 result['results'] = [{}] return result
'delete the object'
def delete(self):
return self._delete(self.kind, self.config.username)
'make entries for user to the provided group list'
def create_group_entries(self):
if (self.groups != None): for group in self.groups: cmd = ['groups', 'add-users', group, self.config.username] rval = self.openshift_cmd(cmd, oadm=True) if (rval['returncode'] != 0): return rval return rval return {'returncode': 0}
'create the object'
def create(self):
rval = self.create_group_entries() if (rval['returncode'] != 0): return rval return self._create_from_content(self.config.username, self.config.data)
'update group membership'
def group_update(self):
rval = {'returncode': 0} cmd = ['get', 'groups', '-o', 'json'] all_groups = self.openshift_cmd(cmd, output=True) for group in all_groups['results']['items']: if ((group['metadata']['name'] in self.groups) and ((group['users'] is None) or (self.config.username not in group['users']))): ...
'update the object'
def update(self):
rval = self.group_update() if (rval['returncode'] != 0): return rval return self._replace_content(self.kind, self.config.username, self.config.data, force=True)
'check if there are group membership changes'
def needs_group_update(self):
cmd = ['get', 'groups', '-o', 'json'] all_groups = self.openshift_cmd(cmd, output=True) for group in all_groups['results']['items']: if ((group['metadata']['name'] in self.groups) and ((group['users'] is None) or (self.config.username not in group['users']))): return True elif ((...
'verify an update is needed'
def needs_update(self):
skip = [] if self.needs_group_update(): return True return (not Utils.check_def_equal(self.config.data, self.user.yaml_dict, skip_keys=skip, debug=True))
'run the idempotent ansible code params comes from the ansible portion of this module check_mode: does the module support check mode. (module.check_mode)'
@staticmethod def run_ansible(params, check_mode=False):
uconfig = UserConfig(params['kubeconfig'], params['username'], params['full_name']) oc_user = OCUser(uconfig, params['groups'], verbose=params['debug']) state = params['state'] api_rval = oc_user.get() if (state == 'list'): return {'changed': False, 'results': api_rval['results'], 'state': '...
'getter method for separator'
@property def separator(self):
return self._separator
'setter method for separator'
@separator.setter def separator(self, inc_sep):
self._separator = inc_sep
'getter method for yaml_dict'
@property def yaml_dict(self):
return self.__yaml_dict
'setter method for yaml_dict'
@yaml_dict.setter def yaml_dict(self, value):
self.__yaml_dict = value
'parse the key allowing the appropriate separator'
@staticmethod def parse_key(key, sep='.'):
common_separators = list((Yedit.com_sep - set([sep]))) return re.findall(Yedit.re_key.format(''.join(common_separators)), key)
'validate the incoming key'
@staticmethod def valid_key(key, sep='.'):
common_separators = list((Yedit.com_sep - set([sep]))) if (not re.match(Yedit.re_valid_key.format(''.join(common_separators)), key)): return False return True
'remove data at location key'
@staticmethod def remove_entry(data, key, sep='.'):
if ((key == '') and isinstance(data, dict)): data.clear() return True elif ((key == '') and isinstance(data, list)): del data[:] return True if ((not (key and Yedit.valid_key(key, sep))) and isinstance(data, (list, dict))): return None key_indexes = Yedit.parse_ke...
'Get an item from a dictionary with key notation a.b.c d = {\'a\': {\'b\': \'c\'}}} key = a#b return c'
@staticmethod def add_entry(data, key, item=None, sep='.'):
if (key == ''): pass elif ((not (key and Yedit.valid_key(key, sep))) and isinstance(data, (list, dict))): return None key_indexes = Yedit.parse_key(key, sep) for (arr_ind, dict_key) in key_indexes[:(-1)]: if dict_key: if (isinstance(data, dict) and (dict_key in data) ...
'Get an item from a dictionary with key notation a.b.c d = {\'a\': {\'b\': \'c\'}}} key = a.b return c'
@staticmethod def get_entry(data, key, sep='.'):
if (key == ''): pass elif ((not (key and Yedit.valid_key(key, sep))) and isinstance(data, (list, dict))): return None key_indexes = Yedit.parse_key(key, sep) for (arr_ind, dict_key) in key_indexes: if (dict_key and isinstance(data, dict)): data = data.get(dict_key) ...
'Actually write the file contents to disk. This helps with mocking.'
@staticmethod def _write(filename, contents):
tmp_filename = (filename + '.yedit') with open(tmp_filename, 'w') as yfd: yfd.write(contents) os.rename(tmp_filename, filename)
'write to file'
def write(self):
if (not self.filename): raise YeditException('Please specify a filename.') if (self.backup and self.file_exists()): shutil.copy(self.filename, (self.filename + '.orig')) try: self.yaml_dict.fa.set_block_style() except AttributeError: pass try: Yedit._...
'read from file'
def read(self):
if ((self.filename is None) or (not self.file_exists())): return None contents = None with open(self.filename) as yfd: contents = yfd.read() return contents
'return whether file exists'
def file_exists(self):
if os.path.exists(self.filename): return True return False
'return yaml file'
def load(self, content_type='yaml'):
contents = self.read() if ((not contents) and (not self.content)): return None if self.content: if isinstance(self.content, dict): self.yaml_dict = self.content return self.yaml_dict elif isinstance(self.content, str): contents = self.content t...
'get a specified key'
def get(self, key):
try: entry = Yedit.get_entry(self.yaml_dict, key, self.separator) except KeyError: entry = None return entry
'remove a key, value pair from a dict or an item for a list'
def pop(self, path, key_or_item):
try: entry = Yedit.get_entry(self.yaml_dict, path, self.separator) except KeyError: entry = None if (entry is None): return (False, self.yaml_dict) if isinstance(entry, dict): if (key_or_item in entry): entry.pop(key_or_item) return (True, self.yam...
'remove path from a dict'
def delete(self, path):
try: entry = Yedit.get_entry(self.yaml_dict, path, self.separator) except KeyError: entry = None if (entry is None): return (False, self.yaml_dict) result = Yedit.remove_entry(self.yaml_dict, path, self.separator) if (not result): return (False, self.yaml_dict) re...
'check if value exists at path'
def exists(self, path, value):
try: entry = Yedit.get_entry(self.yaml_dict, path, self.separator) except KeyError: entry = None if isinstance(entry, list): if (value in entry): return True return False elif isinstance(entry, dict): if isinstance(value, dict): rval = Fals...
'append value to a list'
def append(self, path, value):
try: entry = Yedit.get_entry(self.yaml_dict, path, self.separator) except KeyError: entry = None if (entry is None): self.put(path, []) entry = Yedit.get_entry(self.yaml_dict, path, self.separator) if (not isinstance(entry, list)): return (False, self.yaml_dict) ...
'put path, value into a dict'
def update(self, path, value, index=None, curr_value=None):
try: entry = Yedit.get_entry(self.yaml_dict, path, self.separator) except KeyError: entry = None if isinstance(entry, dict): if (not isinstance(value, dict)): raise YeditException(('Cannot replace key, value entry in dict with non-dict type. ...
'put path, value into a dict'
def put(self, path, value):
try: entry = Yedit.get_entry(self.yaml_dict, path, self.separator) except KeyError: entry = None if (entry == value): return (False, self.yaml_dict) try: tmp_copy = yaml.load(yaml.round_trip_dump(self.yaml_dict, default_flow_style=False), yaml.RoundTripLoader) except ...
'create a yaml file'
def create(self, path, value):
if (not self.file_exists()): try: tmp_copy = yaml.load(yaml.round_trip_dump(self.yaml_dict, default_flow_style=False), yaml.RoundTripLoader) except AttributeError: tmp_copy = copy.deepcopy(self.yaml_dict) try: tmp_copy.fa.set_block_style() except A...
'return the current value'
@staticmethod def get_curr_value(invalue, val_type):
if (invalue is None): return None curr_value = invalue if (val_type == 'yaml'): curr_value = yaml.load(invalue) elif (val_type == 'json'): curr_value = json.loads(invalue) return curr_value
'determine value type passed'
@staticmethod def parse_value(inc_value, vtype=''):
true_bools = ['y', 'Y', 'yes', 'Yes', 'YES', 'true', 'True', 'TRUE', 'on', 'On', 'ON'] false_bools = ['n', 'N', 'no', 'No', 'NO', 'false', 'False', 'FALSE', 'off', 'Off', 'OFF'] if (isinstance(inc_value, str) and ('bool' in vtype)): if ((inc_value not in true_bools) and (inc_value not in false_bools...
'run through a list of edits and process them one-by-one'
@staticmethod def process_edits(edits, yamlfile):
results = [] for edit in edits: value = Yedit.parse_value(edit['value'], edit.get('value_type', '')) if (edit.get('action') == 'update'): curr_value = Yedit.get_curr_value(Yedit.parse_value(edit.get('curr_value')), edit.get('curr_value_format')) rval = yamlfile.update(edi...
'perform the idempotent crud operations'
@staticmethod def run_ansible(params):
yamlfile = Yedit(filename=params['src'], backup=params['backup'], separator=params['separator']) state = params['state'] if params['src']: rval = yamlfile.load() if ((yamlfile.yaml_dict is None) and (state != 'present')): return {'failed': True, 'msg': ('Error opening file ...
'Constructor for OpenshiftCLI'
def __init__(self, namespace, kubeconfig='/etc/origin/master/admin.kubeconfig', verbose=False, all_namespaces=False):
self.namespace = namespace self.verbose = verbose self.kubeconfig = Utils.create_tmpfile_copy(kubeconfig) self.all_namespaces = all_namespaces self.oc_binary = locate_oc_binary()
'replace the current object with the content'
def _replace_content(self, resource, rname, content, force=False, sep='.'):
res = self._get(resource, rname) if (not res['results']): return res fname = Utils.create_tmpfile((rname + '-')) yed = Yedit(fname, res['results'][0], separator=sep) changes = [] for (key, value) in content.items(): changes.append(yed.put(key, value)) if any([change[0] for ch...
'replace the current object with oc replace'
def _replace(self, fname, force=False):
yed = Yedit(fname) results = yed.delete('metadata.resourceVersion') if results[0]: yed.write() cmd = ['replace', '-f', fname] if force: cmd.append('--force') return self.openshift_cmd(cmd)
'create a temporary file and then call oc create on it'
def _create_from_content(self, rname, content):
fname = Utils.create_tmpfile((rname + '-')) yed = Yedit(fname, content=content) yed.write() atexit.register(Utils.cleanup, [fname]) return self._create(fname)
'call oc create on a filename'
def _create(self, fname):
return self.openshift_cmd(['create', '-f', fname])
'call oc delete on a resource'
def _delete(self, resource, name=None, selector=None):
cmd = ['delete', resource] if (selector is not None): cmd.append('--selector={}'.format(selector)) elif (name is not None): cmd.append(name) else: raise OpenShiftCLIError('Either name or selector is required when calling delete.') return self.openshift...
'process a template template_name: the name of the template to process create: whether to send to oc create after processing params: the parameters for the template template_data: the incoming template\'s data; instead of a file'
def _process(self, template_name, create=False, params=None, template_data=None):
cmd = ['process'] if template_data: cmd.extend(['-f', '-']) else: cmd.append(template_name) if params: param_str = ['{}={}'.format(key, str(value).replace("'", '"')) for (key, value) in params.items()] cmd.append('-v') cmd.extend(param_str) results = self.open...
'return a resource by name'
def _get(self, resource, name=None, selector=None):
cmd = ['get', resource] if (selector is not None): cmd.append('--selector={}'.format(selector)) elif (name is not None): cmd.append(name) cmd.extend(['-o', 'json']) rval = self.openshift_cmd(cmd, output=True) if ('items' in rval): rval['results'] = rval['items'] elif ...
'perform oadm manage-node scheduable'
def _schedulable(self, node=None, selector=None, schedulable=True):
cmd = ['manage-node'] if node: cmd.extend(node) else: cmd.append('--selector={}'.format(selector)) cmd.append('--schedulable={}'.format(schedulable)) return self.openshift_cmd(cmd, oadm=True, output=True, output_type='raw')
'perform oadm list pods node: the node in which to list pods selector: the label selector filter if provided pod_selector: the pod selector filter if provided'
def _list_pods(self, node=None, selector=None, pod_selector=None):
cmd = ['manage-node'] if node: cmd.extend(node) else: cmd.append('--selector={}'.format(selector)) if pod_selector: cmd.append('--pod-selector={}'.format(pod_selector)) cmd.extend(['--list-pods', '-o', 'json']) return self.openshift_cmd(cmd, oadm=True, output=True, output...
'perform oadm manage-node evacuate'
def _evacuate(self, node=None, selector=None, pod_selector=None, dry_run=False, grace_period=None, force=False):
cmd = ['manage-node'] if node: cmd.extend(node) else: cmd.append('--selector={}'.format(selector)) if dry_run: cmd.append('--dry-run') if pod_selector: cmd.append('--pod-selector={}'.format(pod_selector)) if grace_period: cmd.append('--grace-period={}'.for...
'return the openshift version'
def _version(self):
return self.openshift_cmd(['version'], output=True, output_type='raw')
'perform image import'
def _import_image(self, url=None, name=None, tag=None):
cmd = ['import-image'] image = '{0}'.format(name) if tag: image += ':{0}'.format(tag) cmd.append(image) if url: cmd.append('--from={0}/{1}'.format(url, image)) cmd.append('-n{0}'.format(self.namespace)) cmd.append('--confirm') return self.openshift_cmd(cmd)
'Actually executes the command. This makes mocking easier.'
def _run(self, cmds, input_data):
curr_env = os.environ.copy() curr_env.update({'KUBECONFIG': self.kubeconfig}) proc = subprocess.Popen(cmds, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=curr_env) (stdout, stderr) = proc.communicate(input_data) return (proc.returncode, stdout.decode('utf-8'), stderr.dec...
'Base command for oc'
def openshift_cmd(self, cmd, oadm=False, output=False, output_type='json', input_data=None):
cmds = [self.oc_binary] if oadm: cmds.append('adm') cmds.extend(cmd) if self.all_namespaces: cmds.extend(['--all-namespaces']) elif ((self.namespace is not None) and (self.namespace.lower() not in ['none', 'emtpy'])): cmds.extend(['-n', self.namespace]) if self.verbose: ...
'Actually write the file contents to disk. This helps with mocking.'
@staticmethod def _write(filename, contents):
with open(filename, 'w') as sfd: sfd.write(contents)
'create a file in tmp with name and contents'
@staticmethod def create_tmp_file_from_contents(rname, data, ftype='yaml'):
tmp = Utils.create_tmpfile(prefix=rname) if (ftype == 'yaml'): if hasattr(yaml, 'RoundTripDumper'): Utils._write(tmp, yaml.dump(data, Dumper=yaml.RoundTripDumper)) else: Utils._write(tmp, yaml.safe_dump(data, default_flow_style=False)) elif (ftype == 'json'): ...
'create a temporary copy of a file'
@staticmethod def create_tmpfile_copy(inc_file):
tmpfile = Utils.create_tmpfile('lib_openshift-') Utils._write(tmpfile, open(inc_file).read()) atexit.register(Utils.cleanup, [tmpfile]) return tmpfile
'Generates and returns a temporary file name'
@staticmethod def create_tmpfile(prefix='tmp'):
with tempfile.NamedTemporaryFile(prefix=prefix, delete=False) as tmp: return tmp.name
'Turn an array of dict: filename, content into a files array'
@staticmethod def create_tmp_files_from_contents(content, content_type=None):
if (not isinstance(content, list)): content = [content] files = [] for item in content: path = Utils.create_tmp_file_from_contents((item['path'] + '-'), item['data'], ftype=content_type) files.append({'name': os.path.basename(item['path']), 'path': path}) return files
'Clean up on exit'
@staticmethod def cleanup(files):
for sfile in files: if os.path.exists(sfile): if os.path.isdir(sfile): shutil.rmtree(sfile) elif os.path.isfile(sfile): os.remove(sfile)
'Check to see if the results include the name'
@staticmethod def exists(results, _name):
if (not results): return False if Utils.find_result(results, _name): return True return False
'Find the specified result by name'
@staticmethod def find_result(results, _name):
rval = None for result in results: if (('metadata' in result) and (result['metadata']['name'] == _name)): rval = result break return rval
'return the service file'
@staticmethod def get_resource_file(sfile, sfile_type='yaml'):
contents = None with open(sfile) as sfd: contents = sfd.read() if (sfile_type == 'yaml'): if hasattr(yaml, 'RoundTripLoader'): contents = yaml.load(contents, yaml.RoundTripLoader) else: contents = yaml.safe_load(contents) elif (sfile_type == 'json'): ...
'filter the oc version output'
@staticmethod def filter_versions(stdout):
version_dict = {} version_search = ['oc', 'openshift', 'kubernetes'] for line in stdout.strip().split('\n'): for term in version_search: if (not line): continue if line.startswith(term): version_dict[term] = line.split()[(-1)] if ('openshif...
'create custom versions strings'
@staticmethod def add_custom_versions(versions):
versions_dict = {} for (tech, version) in versions.items(): if ('-' in version): version = version.split('-')[0] if version.startswith('v'): versions_dict[(tech + '_numeric')] = version[1:].split('+')[0] versions_dict[(tech + '_short')] = version[1:4] retu...
'check if openshift is installed'
@staticmethod def openshift_installed():
import yum yum_base = yum.YumBase() if yum_base.rpmdb.searchNevra(name='atomic-openshift'): return True return False
'Given a user defined definition, compare it with the results given back by our query.'
@staticmethod def check_def_equal(user_def, result_def, skip_keys=None, debug=False):
skip = ['metadata', 'status'] if skip_keys: skip.extend(skip_keys) for (key, value) in result_def.items(): if (key in skip): continue if isinstance(value, list): if (key not in user_def): if debug: print(('User data do...
'return config options'
@property def config_options(self):
return self._options
'return all options as a string if ascommalist is set to the name of a key, and the value of that key is a dict, format the dict as a list of comma delimited key=value pairs'
def to_option_list(self, ascommalist=''):
return self.stringify(ascommalist)
'return the options hash as cli params in a string if ascommalist is set to the name of a key, and the value of that key is a dict, format the dict as a list of comma delimited key=value pairs'
def stringify(self, ascommalist=''):
rval = [] for key in sorted(self.config_options.keys()): data = self.config_options[key] if (data['include'] and (data['value'] or isinstance(data['value'], int))): if (key == ascommalist): val = ','.join(['{}={}'.format(kk, vv) for (kk, vv) in sorted(data['value'].it...
'Constructor for OCLabel'
def __init__(self, name, namespace, kind, kubeconfig, labels=None, selector=None, verbose=False):
super(OCLabel, self).__init__(namespace, kubeconfig=kubeconfig, verbose=verbose) self.name = name self.kind = kind self.labels = labels self._curr_labels = None self.selector = selector
'property for the current labels'
@property def current_labels(self):
if (self._curr_labels is None): results = self.get() self._curr_labels = results['labels'] return self._curr_labels
'property setter for current labels'
@current_labels.setter def current_labels(self, data):
self._curr_labels = data
'compare incoming labels against current labels'
def compare_labels(self, host_labels):
for label in self.labels: if ((label['key'] not in host_labels) or (label['value'] != host_labels[label['key']])): return False return True
'return whether all the labels already exist'
def all_user_labels_exist(self):
for current_host_labels in self.current_labels: rbool = self.compare_labels(current_host_labels) if (not rbool): return False return True
'return whether any single label already exists'
def any_label_exists(self):
for current_host_labels in self.current_labels: for label in self.labels: if (label['key'] in current_host_labels): return True return False
'go through list of user key:values and return all keys'
def get_user_keys(self):
user_keys = [] for label in self.labels: user_keys.append(label['key']) return user_keys
'collect all the current label keys'
def get_current_label_keys(self):
current_label_keys = [] for current_host_labels in self.current_labels: for key in current_host_labels.keys(): current_label_keys.append(key) return list(set(current_label_keys))
'return list of labels that are currently stored, but aren\'t in user-provided list'
def get_extra_current_labels(self):
extra_labels = [] user_label_keys = self.get_user_keys() current_label_keys = self.get_current_label_keys() for current_key in current_label_keys: if (current_key not in user_label_keys): extra_labels.append(current_key) return extra_labels
'return whether there are labels currently stored that user hasn\'t directly provided'
def extra_current_labels(self):
extra_labels = self.get_extra_current_labels() if (len(extra_labels) > 0): return True return False
'replace currently stored labels with user provided labels'
def replace(self):
cmd = self.cmd_template() extra_labels = self.get_extra_current_labels() if (len(extra_labels) > 0): for label in extra_labels: cmd.append('{}-'.format(label)) if (len(self.labels) > 0): for label in self.labels: cmd.append('{}={}'.format(label['key'], label['valu...
'return label information'
def get(self):
result_dict = {} label_list = [] if self.name: result = self._get(resource=self.kind, name=self.name, selector=self.selector) if (result['results'][0] and ('labels' in result['results'][0]['metadata'])): label_list.append(result['results'][0]['metadata']['labels']) else: ...
'boilerplate oc command for modifying lables on this object'
def cmd_template(self):
cmd = ['label', self.kind] if self.selector: cmd.extend(['--selector', self.selector]) elif self.name: cmd.extend([self.name]) return cmd
'add labels'
def add(self):
cmd = self.cmd_template() for label in self.labels: cmd.append('{}={}'.format(label['key'], label['value'])) cmd.append('--overwrite') return self.openshift_cmd(cmd)
'delete the labels'
def delete(self):
cmd = self.cmd_template() for label in self.labels: cmd.append('{}-'.format(label['key'])) return self.openshift_cmd(cmd)
'run the idempotent ansible code prams comes from the ansible portion of this module check_mode: does the module support check mode. (module.check_mode)'
@staticmethod def run_ansible(params, check_mode=False):
oc_label = OCLabel(params['name'], params['namespace'], params['kind'], params['kubeconfig'], params['labels'], params['selector'], verbose=params['debug']) state = params['state'] name = params['name'] selector = params['selector'] api_rval = oc_label.get() if (state == 'list'): return ...
'getter method for separator'
@property def separator(self):
return self._separator
'setter method for separator'
@separator.setter def separator(self, inc_sep):
self._separator = inc_sep
'getter method for yaml_dict'
@property def yaml_dict(self):
return self.__yaml_dict
'setter method for yaml_dict'
@yaml_dict.setter def yaml_dict(self, value):
self.__yaml_dict = value
'parse the key allowing the appropriate separator'
@staticmethod def parse_key(key, sep='.'):
common_separators = list((Yedit.com_sep - set([sep]))) return re.findall(Yedit.re_key.format(''.join(common_separators)), key)
'validate the incoming key'
@staticmethod def valid_key(key, sep='.'):
common_separators = list((Yedit.com_sep - set([sep]))) if (not re.match(Yedit.re_valid_key.format(''.join(common_separators)), key)): return False return True
'remove data at location key'
@staticmethod def remove_entry(data, key, sep='.'):
if ((key == '') and isinstance(data, dict)): data.clear() return True elif ((key == '') and isinstance(data, list)): del data[:] return True if ((not (key and Yedit.valid_key(key, sep))) and isinstance(data, (list, dict))): return None key_indexes = Yedit.parse_ke...
'Get an item from a dictionary with key notation a.b.c d = {\'a\': {\'b\': \'c\'}}} key = a#b return c'
@staticmethod def add_entry(data, key, item=None, sep='.'):
if (key == ''): pass elif ((not (key and Yedit.valid_key(key, sep))) and isinstance(data, (list, dict))): return None key_indexes = Yedit.parse_key(key, sep) for (arr_ind, dict_key) in key_indexes[:(-1)]: if dict_key: if (isinstance(data, dict) and (dict_key in data) ...
'Get an item from a dictionary with key notation a.b.c d = {\'a\': {\'b\': \'c\'}}} key = a.b return c'
@staticmethod def get_entry(data, key, sep='.'):
if (key == ''): pass elif ((not (key and Yedit.valid_key(key, sep))) and isinstance(data, (list, dict))): return None key_indexes = Yedit.parse_key(key, sep) for (arr_ind, dict_key) in key_indexes: if (dict_key and isinstance(data, dict)): data = data.get(dict_key) ...
'Actually write the file contents to disk. This helps with mocking.'
@staticmethod def _write(filename, contents):
tmp_filename = (filename + '.yedit') with open(tmp_filename, 'w') as yfd: yfd.write(contents) os.rename(tmp_filename, filename)
'write to file'
def write(self):
if (not self.filename): raise YeditException('Please specify a filename.') if (self.backup and self.file_exists()): shutil.copy(self.filename, (self.filename + '.orig')) try: self.yaml_dict.fa.set_block_style() except AttributeError: pass try: Yedit._...
'read from file'
def read(self):
if ((self.filename is None) or (not self.file_exists())): return None contents = None with open(self.filename) as yfd: contents = yfd.read() return contents
'return whether file exists'
def file_exists(self):
if os.path.exists(self.filename): return True return False