import os

class GetProjects:
    available_projects = []
    current_projects = []
    new_projects = []
    repo_path = "/home/svn/"
    trac_path = "/usr/local/trac/env"

    def get_project_list(self):
        """gets the available projects and the current projects, and offers
           any new ones for addition to the trac setup"""

        print "Getting list of available projects..."
        available_projects = os.listdir(self.repo_path)
        current_projects = os.listdir(self.trac_path)

        print "AVAILABLE: ", available_projects
        #get the difference between project lists
        #new_projects = list(set(available_projects) - set(current_projects)) don't work with python 2.1
        for project in available_projects:
            if project not in current_projects:
                self.new_projects.append(project)

        for object in self.new_projects:
            if os.path.isfile(self.repo_path+object):
                print "ISFILE: ", self.repo_path+object
                self.new_projects.remove(object)
        return self.new_projects


if __name__=="__main__":
    getProjects = GetProjects()
    list_new_prjcts = getProjects.get_project_list()
    print "back in __init__ -", list_new_prjcts