Exemple #1
0
    def output(self, output, status=None):
        """Output text to stdout or a pager command.

		The status text is not outputted to pager or files.

		The message will be logged in the audit log, if enabled. The
		message will be written to the tee file, if enabled. The
		message will be written to the output file, if enabled.

		"""
        if output:
            size = self.prompt_app.output.get_size()

            margin = self.get_output_margin(status)

            fits = True
            buf = []
            output_via_pager = self.explicit_pager and special.is_pager_enabled(
            )
            for i, line in enumerate(output, 1):
                self.log_output(line)
                special.write_tee(line)
                special.write_once(line)

                if fits or output_via_pager:
                    # buffering
                    buf.append(line)
                    if len(line) > size.columns or i > (size.rows - margin):
                        fits = False
                        if not self.explicit_pager and special.is_pager_enabled(
                        ):
                            # doesn't fit, use pager
                            output_via_pager = True

                        if not output_via_pager:
                            # doesn't fit, flush buffer
                            for line in buf:
                                click.secho(line)
                            buf = []
                else:
                    click.secho(line)

            if buf:
                if output_via_pager:
                    # sadly click.echo_via_pager doesn't accept generators
                    click.echo_via_pager("\n".join(buf))
                else:
                    for line in buf:
                        click.secho(line)

        if status:
            self.log_output(status)
            click.secho(status)
Exemple #2
0
        def one_iteration(text=None):

            if text is None:
                try:
                    text = self.prompt_app.prompt()

                except KeyboardInterrupt:
                    return

                special.set_expanded_output(False)

                try:
                    text = self.handle_editor_command(text)
                except RuntimeError as e:
                    #logger.error("sql: %r, error: %r", text, e)
                    #logger.error("traceback: %r", traceback.format_exc())
                    self.showerr(e)
                    return

            if not text.strip():
                return

            if self.destructive_warning:
                destroy = confirm_destructive_query(text)
                if destroy is None:
                    pass  # Query was not destructive. Nothing to do here.
                elif destroy is True:
                    self.echo("Your call!")
                else:
                    self.echo("Wise choice!")
                    return

            # Keep track of whether or not the query is mutating. In case
            # of a multi-statement query, the overall query is considered
            # mutating if any one of the component statements is mutating
            mutating = False

            try:
                logger.debug("sql: %r", text)

                special.write_tee(self.get_prompt(self.prompt_format) + text)
                if self.logfile:
                    self.logfile.write("\n# %s\n" % datetime.now())
                    self.logfile.write(text)
                    self.logfile.write("\n")

                successful = False
                start = time()
                res = sqlexecute.run(text, DBNAME)
                self.formatter.query = text
                successful = True
                result_count = 0
                for title, cur, headers, status in res:
                    logger.debug("headers: %r", headers)
                    logger.debug("rows: %r", cur)
                    logger.debug("status: %r", status)
                    threshold = 1000
                    if is_select(status) and cur and cur.rowcount > threshold:
                        self.echo(
                            "The result set has more than {} rows.".format(
                                threshold),
                            fg="red",
                        )
                        if not confirm("Do you want to continue?"):
                            self.echo("Aborted!", err=True, fg="red")
                            break

                    if self.auto_vertical_output:
                        max_width = self.prompt_app.output.get_size().columns
                    else:
                        max_width = None

                    formatted = self.format_output(
                        title, cur, headers, special.is_expanded_output(),
                        max_width)

                    t = time() - start
                    try:
                        if result_count > 0:
                            self.echo("")
                        try:
                            self.output(formatted, status)
                        except KeyboardInterrupt:
                            pass
                        self.echo("Time: %0.03fs" % t)
                    except KeyboardInterrupt:
                        pass

                    start = time()
                    result_count += 1
                    mutating = mutating or is_mutating(status)
                special.unset_once_if_written()
            except EOFError as e:
                raise e
            except KeyboardInterrupt:
                # get last connection id
                connection_id_to_kill = sqlexecute.connection_id
                logger.debug("connection id to kill: %r",
                             connection_id_to_kill)
                # Restart connection to the database
                sqlexecute.connect()
                try:
                    for title, cur, headers, status in sqlexecute.run(
                            "kill %s" % connection_id_to_kill):
                        status_str = str(status).lower()
                        if status_str.find("ok") > -1:
                            logger.debug(
                                "cancelled query, connection id: %r, sql: %r",
                                connection_id_to_kill,
                                text,
                            )
                            self.echo("cancelled query", err=True, fg="red")
                except Exception as e:
                    self.echo(
                        "Encountered error while cancelling query: {}".format(
                            e),
                        err=True,
                        fg="red",
                    )
            except NotImplementedError:
                self.echo("Not Yet Implemented.", fg="yellow")
            except OperationalError as e:
                logger.debug("Exception: %r", e)
                if e.args[0] in (2003, 2006, 2013):
                    logger.debug("Attempting to reconnect.")
                    self.echo("Reconnecting...", fg="yellow")
                    try:
                        sqlexecute.connect()
                        logger.debug("Reconnected successfully.")
                        one_iteration(text)
                        return  # OK to just return, cuz the recursion call runs to the end.
                    except OperationalError as e:
                        logger.debug("Reconnect failed. e: %r", e)
                        self.echo(str(e), err=True, fg="red")
                        # If reconnection failed, don't proceed further.
                        return
                else:
                    #logger.error("sql: %r, error: %r", text, e)
                    #logger.error("traceback: %r", traceback.format_exc())
                    self.showerr(e)
            except Exception as e:
                #logger.error("sql: %r, error: %r", text, e)
                #logger.error("traceback: %r", traceback.format_exc())
                self.showerr(e)
            else:
                if is_dropping_database(text, self.sqlexecute.dbname):
                    self.sqlexecute.dbname = None
                    self.sqlexecute.connect()

                # Refresh the table names and column names if necessary.
                if need_completion_refresh(text):
                    self.refresh_completions(reset=need_completion_reset(text))
            finally:
                if self.logfile is False:
                    self.echo("Warning: This query was not logged.",
                              err=True,
                              fg="red")
            query = Query(text, successful, mutating)
            self.query_history.append(query)
Exemple #3
0
        def one_iteration():
            document = self.cli.run()
            special.set_expanded_output(False)

            try:
                document = self.handle_editor_command(self.cli, document)
            except RuntimeError as e:
                self.echo(str(e), err=True, fg='red')
                return

            if not document.text.strip():
                return

            mutating = False

            try:
                special.write_tee(self.get_prompt(self.prompt) + document.text)
                successful = False
                start = time()
                res = self.sqlexecute.run(document.text)
                successful = True
                threshold = 1000
                result_count = 0

                for title, cur, headers, status in res:
                    if (is_select(status) and cur
                            and cur.rowcount > threshold):
                        self.echo(
                            'The result set has more than {} rows.'.forma(
                                threshold),
                            fg='red')
                        if not confirm('Do you want to continue?'):
                            self.echo('Aborted!', err=True, fg='red')
                            break

                    formatted = self.format_output(
                        title, cur, headers, special.is_expanded_output(),
                        None)

                    t = time() - start
                    try:
                        if result_count > 0:
                            self.echo('')
                        try:
                            self.output(formatted, status)
                        except KeyboardInterrupt:
                            pass

                        if special.is_timing_enabled():
                            self.echo('Time: %0.03fs' % t)
                    except KeyboardInterrupt:
                        pass

                    start = time()
                    result_count += 1
                    mutating = mutating or is_mutating(status)
                special.unset_once_if_written()
            except EOFError as e:
                raise e
            except KeyboardInterrupt:
                pass
            except NotImplementedError:
                self.echo('Not Yet Implemented.', fg="yellow")

            query = Query(document.text, successful, mutating)