Exemplo n.º 1
0
    def __get_res_connector(self, temp_filename):

        if use_ado:
            is64bit_python = check64bit(current_system="python")
            if is64bit_python:
                constr = 'Provider=Microsoft.ACE.OLEDB.12.0; Data Source=%s' % temp_filename
            else:
                constr = 'Provider=Microsoft.Jet.OLEDB.4.0; Data Source=%s' % temp_filename
            return constr

        if SEARCH_FOR_ODBC_DRIVERS:
            logging.debug("Searching for odbc drivers")
            try:
                drivers = [driver for driver in dbloader.drivers() if 'Microsoft Access Driver' in driver]
                logging.debug(f"Found these: {drivers}")
                driver = drivers[0]

            except IndexError as e:
                logging.debug("Unfortunately, it seems the "
                              "list of drivers is emtpy.")
                logging.debug("Use driver-name from config (if existing).")
                driver = driver_dll
                if is_macos:
                    driver = "/usr/local/lib/libmdbodbc.dylib"
                else:
                    if not driver:
                        print("\nCould not find any odbc-drivers suitable "
                              "for .res-type files. "
                              "Check out the homepage of pydobc for info on "
                              "installing drivers")
                        print("One solution that might work is downloading "
                              "the Microsoft Access database engine (in correct"
                              " bytes (32 or 64)) "
                              "from:\n"
                              "https://www.microsoft.com/en-us/download/"
                              "details.aspx?id=13255")
                        print("Or install mdbtools and set it up "
                              "(check the cellpy docs for help)")
                        print("\n")
                    else:
                        logging.debug("Using driver dll from config file")
                        logging.debug(f"driver dll: {driver}")

            self.logger.debug(f"odbc constr: {driver}")

        else:
            is64bit_python = check64bit(current_system="python")
            if is64bit_python:
                driver = '{Microsoft Access Driver (*.mdb, *.accdb)}'
            else:
                driver = 'Microsoft Access Driver (*.mdb)'
            self.logger.debug("odbc constr: {}".format(driver))
        constr = 'Driver=%s;Dbq=%s' % (driver, temp_filename)

        logging.debug(f"constr: {constr}")

        return constr
Exemplo n.º 2
0
def _check_import_pyodbc():
    from cellpy.parameters import prms
    import platform

    ODBC = prms._odbc
    SEARCH_FOR_ODBC_DRIVERS = prms._search_for_odbc_driver

    use_subprocess = prms.Instruments.Arbin.use_subprocess
    detect_subprocess_need = prms.Instruments.Arbin.detect_subprocess_need
    click.echo()
    click.echo(f" reading prms")
    click.echo(f" - ODBC: {ODBC}")
    click.echo(f" - SEARCH_FOR_ODBC_DRIVERS: {SEARCH_FOR_ODBC_DRIVERS}")
    click.echo(f" - use_subprocess: {use_subprocess}")
    click.echo(f" - detect_subprocess_need: {detect_subprocess_need}")
    click.echo(
        f" - stated office version: {prms.Instruments.Arbin.office_version}")

    click.echo(" checking system")
    is_posix = False
    is_macos = False
    if os.name == "posix":
        is_posix = True
        click.echo(f" - running on posix")
    current_platform = platform.system()
    if current_platform == "Darwin":
        is_macos = True
        click.echo(f" - running on a mac")

    python_version, os_version = platform.architecture()
    click.echo(f" - python version: {python_version}")
    click.echo(f" - os version: {os_version}")

    if not is_posix:
        if not prms.Instruments.Arbin.sub_process_path:
            sub_process_path = str(prms._sub_process_path)
        else:
            sub_process_path = str(prms.Instruments.Arbin.sub_process_path)
        click.echo(f" stated path to sub-process: {sub_process_path}")
        if not os.path.isfile(sub_process_path):
            click.echo(f" - OBS! missing")

    if is_posix:
        click.echo(" checking existence of mdb-export")
        sub_process_path = "mdb-export"
        from subprocess import PIPE, run

        command = ["command", "-v", sub_process_path]

        try:
            result = run(command,
                         stdout=PIPE,
                         stderr=PIPE,
                         universal_newlines=True)
            if result.returncode == 0:
                click.echo(f" - found it: {result.stdout}")
            else:
                click.echo(f" - failed finding it")

            if is_macos:
                driver = "/usr/local/lib/libmdbodbc.dylib"
                click.echo(
                    f" looks like you are on a mac (driver set to\n {driver})")
                if not os.path.isfile(driver):
                    click.echo(" - but cannot find it!")
                    return False
            return True

        except AssertionError:
            click.echo(" - not found")
            return False

    # not posix - checking for odbc drivers
    # 1) checking if you have defined one
    try:
        driver = prms.Instruments.Arbin.odbc_driver
        if not driver:
            raise AttributeError
        click.echo("You have defined an odbc driver in your conifg file")
        click.echo(f"driver: {driver}")
    except AttributeError:
        click.echo("FYI: you have not defined any odbc_driver(s)")
        click.echo(
            "(The name of the driver from the configuration file is "
            "used as a backup when cellpy cannot locate a driver by itself)")

    use_ado = False

    if ODBC == "ado":
        use_ado = True
        click.echo(" you stated that you prefer the ado loader")
        click.echo(" checking if adodbapi is installed")
        try:
            import adodbapi as dbloader
        except ImportError:
            use_ado = False
            click.echo(" Failed! Try setting pyodbc as your loader or install")
            click.echo(" adodbapi (http://adodbapi.sourceforge.net/)")

    if not use_ado:
        if ODBC == "pyodbc":
            click.echo(" you stated that you prefer the pyodbc loader")
            try:
                import pyodbc as dbloader
            except ImportError:
                click.echo(" Failed! Could not import it.")
                click.echo(" Try 'pip install pyodbc'")
                dbloader = None

        elif ODBC == "pypyodbc":
            click.echo(" you stated that you prefer the pypyodbc loader")
            try:
                import pypyodbc as dbloader
            except ImportError:
                click.echo(" Failed! Could not import it.")
                click.echo(" try 'pip install pypyodbc'")
                click.echo(" or set pyodbc as your loader in your prm file")
                click.echo(" (and install it)")
                dbloader = None

    click.echo(" searching for odbc drivers")
    try:
        drivers = [
            driver for driver in dbloader.drivers()
            if "Microsoft Access Driver" in driver
        ]
        click.echo(f"Found these: {drivers}")
        driver = drivers[0]
        click.echo(f"odbc driver: {driver}")
        return True

    except IndexError as e:
        logging.debug("Unfortunately, it seems the list of drivers is emtpy.")
        click.echo(
            "\nCould not find any odbc-drivers suitable for .res-type files. "
            "Check out the homepage of pydobc for info on installing drivers")
        click.echo(
            "One solution that might work is downloading "
            "the Microsoft Access database engine "
            "(in correct bytes (32 or 64)) "
            "from:\n"
            "https://www.microsoft.com/en-us/download/details.aspx?id=13255")
        click.echo("Or install mdbtools and set it up "
                   "(check the cellpy docs for help)")
        click.echo("\n")
        return False