def rename(subject_id, new_subject_id):
with commit_wrap():
subj = p.load(subject_id)
if subj:
try:
os.rename(p.subject_dir(subject_id),
p.subject_dir(new_subject_id))
except OSError:
nl.notify('Error: filesystem reported error moving %s to %s' %
(subject_id, new_subject_id),
level=nl.level.error)
else:
subj._subject_id = new_subject_id
subj.save()
if os.path.exists(p.subject_json(subj)):
try:
os.remove(
os.path.join(
p.subject_dir(subj),
os.path.basename(p.subject_json(subject_id))))
except OSError:
pass
try:
del (p.subject._all_subjects[str(subject_id)])
except KeyError:
pass
p.subject._index_one_subject(new_subject_id)
def save(self,json_file=None):
''' save current state to JSON file '''
if json_file==None:
json_file = p.subject_json(self._subject_id)
save_dict = self.__dict__()
with open(json_file,'w') as f:
f.write(json.dumps(save_dict, sort_keys=True, indent=2))
def _index_all_subjects(load_all=False):
global _all_subjects
if os.path.exists(p.data_dir):
for subject_id in os.listdir(p.data_dir):
if os.path.exists(p.subject_json(subject_id)):
if subject_id not in _all_subjects:
_all_subjects[subject_id] = None
if load_all and _all_subjects[subject_id]==None:
_index_one_subject(subject_id)
if load_all:
_indexed_and_loaded_all_subjects = True
def rename(subject_id,new_subject_id):
with commit_wrap():
subj = p.load(subject_id)
if subj:
try:
os.rename(p.subject_dir(subject_id),p.subject_dir(new_subject_id))
except OSError:
nl.notify('Error: filesystem reported error moving %s to %s' % (subject_id,new_subject_id),level=nl.level.error)
else:
subj._subject_id = new_subject_id
subj.save()
if os.path.exists(p.subject_json(subj)):
try:
os.remove(os.path.join(p.subject_dir(subj),os.path.basename(p.subject_json(subject_id))))
except OSError:
pass
try:
del(p.subject._all_subjects[str(subject_id)])
except KeyError:
pass
p.subject._index_one_subject(new_subject_id)
def create_subject(subject_id):
''' creates a new subject (loads old JSON if present and valid) '''
with commit_wrap():
subj = None
if os.path.exists(p.subject_json(subject_id)):
subj = p.Subject.load(subject_id)
if subj == None:
subj = p.Subject(subject_id)
else:
subj = p.Subject(subject_id)
subj.init_directories()
subj.save()
return subj
def create_subject(subject_id):
''' creates a new subject (loads old JSON if present and valid) '''
with commit_wrap():
subj = None
if os.path.exists(p.subject_json(subject_id)):
subj = p.Subject.load(subject_id)
if subj==None:
subj = p.Subject(subject_id)
else:
subj = p.Subject(subject_id)
subj.init_directories()
subj.save()
return subj
def load(cls,subject_id):
''' returns a subject object initialized using JSON file
If no subject can be loaded, will print an error and return ``None``
This method is imported to the root-level, and can be called as :meth:``padre.load``'''
subject_id = str(subject_id).rstrip('/')
json_file = p.subject_json(subject_id)
try:
with open(json_file) as f:
return Subject(subject_id,json.loads(f.read()))
except (ValueError,IOError):
p.error('Could not load valid JSON file for subject %s' % subject_id)
return None
def subject_exists(subj_id):
return os.path.exists(p.subject_json(subj_id))