Exemplo n.º 1
0
 def __init__(self, *args, **kwargs):
     super(TestUVData, self).__init__(*args, **kwargs)
     self.dbi = pdbi.DataBaseInterface()
     self.uv_file = os.path.join(ppdata.root_dir, 'data/test',
                                 'zen.2456617.22257.yx.uvcRRE')
     self.npz_file = os.path.join(ppdata.root_dir, 'data/test',
                                  'zen.2455906.53332.uvcRE.npz')
Exemplo n.º 2
0
def restore_db(backup_file=None, table=None):
    '''
    loads backups from json into database

    Parameters
    ----------
    backup_file | str: name of backup file --defaults to None
    table | str: table name --defaults to None
    '''
    if table is None:
        return
    if backup_file is None:
        backup_list = sorted(glob.glob('/data4/paper/paperdata_backup/[0-9]*'),
                             reverse=True)
        timestamp = int(backup_list[0].split('/')[-1])
        backup_file = '/data4/paper/paperdata_backup/{timestamp}/{table}_{timestamp}.json'.format(
            table=table, timestamp=timestamp)

    dbi = pdbi.DataBaseInterface()
    meta = pdbi.Base.metadata
    load_table = meta.tables[table]

    with dbi.session_scope() as s, open(backup_file, 'r') as backup_db:
        entry_list = json.load(backup_db)
        for entry_dict in entry_list:
            print(entry_dict.items())
            try:
                s.add(load_table(**entry_dict))
            except KeyboardInterrupt:
                raise
            except:
                print('Failed to load in entry')
Exemplo n.º 3
0
def refresh_db(username=None):
    '''
    refreshes database by checking md5sums, paths, obsnums
    connects observations to files
    '''
    dbi = pdbi.DataBaseInterface()
    with dbi.session_scope() as s:
        update_sources(s, username=username)
        update_md5(s)
        update_obsnums(s)
        connect_observations(s)
Exemplo n.º 4
0
 def __init__(self, *args, **kwargs):
     super(TestDBI, self).__init__(*args, **kwargs)
     self.host = 'pot4.physics.upenn.edu'
     self.base_path = '/data5/final/2456617'
     self.filename = 'zen.2456617.22257.yx.uv'
     self.source = os.path.join(':'.join((self.host, self.base_path)),
                                self.filename)
     self.jd = 2456617.22941
     self.pol = 'yx'
     self.obsnum = 8595911205
     self.dbi = pdbi.DataBaseInterface()
     self.obs_table = pdbi.Observation
     self.file_table = pdbi.File
     self.log_table = pdbi.Log
Exemplo n.º 5
0
def db_objs():
    '''
    outputs database objects

    Returns
    -------
    tuple:
        object: database interface object
        object: observation table object
        object: file table object
    '''
    dbi = pdbi.DataBaseInterface()
    obs_table = pdbi.Observation
    file_table = pdbi.File

    return dbi, obs_table, file_table
Exemplo n.º 6
0
def add_files(source_host, source_paths):
    '''
    generates list of input files, check for duplicates, add information to database

    Parameters
    ----------
    source_host | str: host of files
    source_paths | list[str]: list of paths of uv* files
    '''
    dbi = pdbi.DataBaseInterface()
    with dbi.session_scope() as s:
        source_paths = sorted(
            dupe_check(s, source_host, source_paths, verbose=True))

        #uv_paths = [uv_path for uv_path in source_paths if not uv_path.endswith('.npz')]
        uv_paths = [
            uv_path for uv_path in source_paths if uv_path.endswith('.uv')
        ]
        npz_paths = [
            npz_path for npz_path in source_paths if npz_path.endswith('.npz')
        ]
        add_files_to_db(s, source_host, uv_paths, verbose=True)
Exemplo n.º 7
0
'''
scripts.paperdata.load_tapes

loads files into tapes and updates their tape_index

author | Immanuel Washington
'''
from __future__ import print_function
import argparse
import glob
from paper.data import dbi as pdbi, add

if __name__ == '__main__':
    dbi = pdbi.DataBaseInterface()
    file_table = pdbi.File
    with dbi.session_scope() as s:
        FILEs = s.query(file_table)\
        		 .filter(file_table.tape_index != None)
        		 .all()

        #for FILE in FILEs:
        	#tape_index = load_into_tape(FILE)
        	#FILE.tape_index = tape_index
Exemplo n.º 8
0
def script_test():
    '''
    runs tests of scripts
    '''
    parser = argparse.ArgumentParser(description='Move files, update database')
    parser.add_argument('-u', '--uname', type=str, help='host username')
    parser.add_argument('-p', '--pword', type=str, help='host password')

    args = parser.parse_args()

    try:
        username = args.uname
        password = args.pword
    except AttributeError as e:
        raise  #'Include all arguments'

    print('instantiating database interface object...')
    dbi = pdbi.DataBaseInterface(
        configfile=os.path.expanduser('~/paperdata/test.cfg'))

    print('creating db...')
    dbi.create_db()

    print('finding files to test...')
    test_paths_str = os.path.expanduser('~/test_data/zen*.uv*')
    test_paths = glob.glob(test_paths_str)

    print('adding files to db...')
    source_host = 'folio'

    add_files.add_files(dbi, source_host, test_paths)
    add_files.update_obsnums(dbi)
    add_files.connect_observations(dbi)

    print('backing up db...')
    backup_db.paperbackup(dbi, db='papertest')

    print('dropping db...')
    dbi.drop_db(pdbi.Base)

    print('creating db again...')
    dbi.create_db()

    print('loading db...')
    restore_db(dbi, table='File')
    restore_db(dbi, table='Observation')
    add_files.update_obsnums(dbi)
    add_files.connect_observations(dbi)

    print('moving files...')
    #copy files first?
    dest_host = 'node16'
    dest_path = os.path.expanduser('~/test_data/')
    move_files.move_files(dbi, source_host, source_paths, dest_host, dest_path,
                          username, password)

    print('deleting files...')
    source_host = dest_host
    dest_host = 'folio'
    del_dir = os.path.expanduser('~/test_data_2/')
    os.mkdir(dest_path)
    source_paths = delete_files.delete_check(source_host)
    delete_files.delete_files(dbi, source_host, source_paths, dest_host,
                              del_dir)

    print('dropping db again...')
    dbi.drop_db()

    print('deleting backup file...')
    backup_list = sorted(glob.glob('/data4/paper/paperdata_backup/[0-9]*'),
                         reverse=True)
    timestamp = int(backup_list[0].split('/')[-1])
    backup_file = '/data4/paper/paperdata_backup/{timestamp}/{table}_{timestamp}.json'.format(
        table=table, timestamp=timestamp)
    os.remove(backup_file)

    print('deleting copied files...')
    shutil.rmtree(del_dir)

    print('Script test Complete!')