Geografic-Information-System/python/grass/pygrass/tests/set_mapset.py

"""
Created on Thu Aug 23 11:07:38 2012

@author: pietro

"""
from __future__ import (
    nested_scopes,
    generators,
    division,
    absolute_import,
    with_statement,
    print_function,
    unicode_literals,
)

import os
import subprocess
import optparse

from grass.script import core as grasscore


def read_gisrc(gisrcpath):
    gisrc = open(gisrcpath, "r")
    diz = {}
    for row in gisrc:
        key, val = row.split(":")
        diz[key.strip()] = val.strip()
    return diz


def main():
    # default option
    gisrc = read_gisrc(os.environ["GISRC"])
    user = os.environ["USER"]
    # start optparse
    usage = "usage: %prog [options]"
    parser = optparse.OptionParser(usage=usage)
    parser.add_option(
        "-U",
        "--user",
        dest="user",
        default=user,
        help="PostgreSQL user [default=%default]",
    )
    parser.add_option(
        "-P",
        "--password",
        dest="passwd",
        default=None,
        help="PostgreSQL password for user [default=%default]",
    )
    parser.add_option(
        "-D",
        "--database",
        dest="db",
        default="pygrassdb_doctest",
        help="PostgreSQL database name [default=%default]",
    )

    (opts, args) = parser.parse_args()
    #
    # Create DB
    #
    print("\n\nCreate a new DB: %s...\n" % opts.db)
    createdb = [
        "createdb",
        "--encoding=UTF-8",
        "--owner=%s" % opts.user,
        "--host=localhost",
        "--username=%s" % opts.user,
        opts.db,
    ]
    if opts.passwd:
        print(opts.passwd)
        createdb.append("--password=%s" % opts.passwd)
    else:
        createdb.append("--no-password")
    subprocess.Popen(createdb)

    #
    # set postgreSQL
    #
    print("\n\nSet Postgres connection...\n")
    grasscore.run_command(
        "db.connect", driver="pg", database="host=localhost,dbname=%s" % opts.db
    )

    grasscore.run_command("db.login", user=opts.user)
    print("\n\nCopy the map from PERMANENT to user1...\n")
    grasscore.run_command(
        "g.copy", vector="boundary_municp@PERMANENT,boundary_municp_pg", overwrite=True
    )
    print("\n\nBuild topology...\n")
    grasscore.run_command("v.build", map="boundary_municp_pg", overwrite=True)

    #
    # set sqlite
    #
    db = [gisrc["GISDBASE"], gisrc["LOCATION_NAME"], gisrc["MAPSET"], "sqlite.db"]
    print("\n\nSet Sqlite connection...\n")
    grasscore.run_command("db.connect", driver="sqlite", database=os.path.join(db))
    print("\n\nCopy the map from PERMANENT to user1...\n")
    grasscore.run_command(
        "g.copy",
        vector="boundary_municp@PERMANENT,boundary_municp_sqlite",
        overwrite=True,
    )
    print("\n\nBuild topology...\n")
    grasscore.run_command("v.build", map="boundary_municp_sqlite", overwrite=True)


if __name__ == "__main__":
    main()