util_mem.py

import pickle as pickle

def load_mem():
    try:
        with open("./Save-Projects/PyDEF_memory.pyv", "rb") as f:
            return pickle.load(f)
    except EOFError as e :
        print('Warning! PyDEF memory file found but is empty. ')
        return {}
    except IOError as e:
        print('Warning! No PyDEF memory found. ')
        return {}

def load_project(pid):
    try:
        projectpath = projects_mem[pid]['path']
        if projectpath.split('.')[-1] != 'pyv':
            print('Warning! Are you sure this project was saved correctly? The file\'s extension is not *.pyv.')
        with open(projectpath, "rb") as f:    
            projects[pid] = pickle.load(f)
        print('Project ' + projects[pid].name + ' loaded successfully!')
    except IOError:
        print('No *.pyv file found for Project ' + pid + '! Project deleted.')
        if pid in list(projects.keys()):
            projects.pop(pid)
    except KeyError:
        printerror('Sorry! I do not remember any path to a *.pyv save file for this project.')
    except EOFError:
        if init:
            printerror('Error while reading saved *.pyv file.')
        else:
            print('!!!Error!!! Error while reading saved *.pyv file.\a')
            
projects_mem = load_mem()
projects = {}
for pid in list(projects_mem.keys()):
    if pid not in ['last_import_dir', 'last_export_dir']:
        name = projects_mem[pid]['name']
        path = projects_mem[pid]['path']
        load_project(pid)
        print(name + ' ' + path)
        try:
            print('project.hostcellid ' + str(projects[pid].hostcellid))
            print('\n\n\n')
        except KeyError:
            pass
        
print('Done')

try:
    last_import_dir = projects_mem['last_import_dir']
    last_export_dir = projects_mem['last_export_dir']
except KeyError:
    pass
    
for project in list(projects.values()):
    print('\n')
    try:
        print(project.name + ' host : ' + str(project.cells[project.hostcellid]))
    except KeyError:
        print(project.name + ' hostcellid : ' + project.hostcellid)
        
# with open("./Save-Projects/PyDEF_memory.pyv", "wb") as f:
#    pickle.dump(projects_mem, f, pickle.HIGHEST_PROTOCOL)