diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/port_from_sqlite_to_postgres.py | 375 |
1 files changed, 174 insertions, 201 deletions
diff --git a/scripts/port_from_sqlite_to_postgres.py b/scripts/port_from_sqlite_to_postgres.py index 19e35bf806..845e3fcf3b 100644 --- a/scripts/port_from_sqlite_to_postgres.py +++ b/scripts/port_from_sqlite_to_postgres.py @@ -142,207 +142,6 @@ class Store(object): raise -class Progress(object): - """Used to report progress of the port - """ - def __init__(self): - self.tables = {} - - self.start_time = int(time.time()) - - def add_table(self, table, cur, size): - self.tables[table] = { - "start": cur, - "num_done": cur, - "total": size, - "perc": int(cur * 100 / size), - } - - def update(self, table, num_done): - data = self.tables[table] - data["num_done"] = num_done - data["perc"] = int(num_done * 100 / data["total"]) - - def done(self): - pass - - -class CursesProgress(Progress): - """Reports progress to a curses window - """ - def __init__(self, stdscr): - self.stdscr = stdscr - - curses.use_default_colors() - curses.curs_set(0) - - curses.init_pair(1, curses.COLOR_RED, -1) - curses.init_pair(2, curses.COLOR_GREEN, -1) - - self.last_update = 0 - - self.finished = False - - super(CursesProgress, self).__init__() - - def update(self, table, num_done): - super(CursesProgress, self).update(table, num_done) - - self.render() - - def render(self, force=False): - now = time.time() - - if not force and now - self.last_update < 0.2: - # reactor.callLater(1, self.render) - return - - self.stdscr.clear() - - rows, cols = self.stdscr.getmaxyx() - - duration = int(now) - int(self.start_time) - - minutes, seconds = divmod(duration, 60) - duration_str = '%02dm %02ds' % (minutes, seconds,) - - if self.finished: - status = "Time spent: %s (Done!)" % (duration_str,) - else: - min_perc = min( - (v["num_done"] - v["start"]) * 100. / (v["total"] - v["start"]) - if v["total"] - v["start"] else 100 - for v in self.tables.values() - ) - if min_perc > 0: - est_remaining = (int(now) - self.start_time) * 100 / min_perc - est_remaining_str = '%02dm %02ds remaining' % divmod(est_remaining, 60) - else: - est_remaining_str = "Unknown" - status = ( - "Time spent: %s (est. remaining: %s)" - % (duration_str, est_remaining_str,) - ) - - self.stdscr.addstr( - 0, 0, - status, - curses.A_BOLD, - ) - - max_len = max([len(t) for t in self.tables.keys()]) - - left_margin = 5 - middle_space = 1 - - items = self.tables.items() - items.sort( - key=lambda i: (i[1]["perc"], i[0]), - ) - - for i, (table, data) in enumerate(items): - if i + 2 >= rows: - break - - perc = data["perc"] - - color = curses.color_pair(2) if perc == 100 else curses.color_pair(1) - - self.stdscr.addstr( - i+2, left_margin + max_len - len(table), - table, - curses.A_BOLD | color, - ) - - size = 20 - - progress = "[%s%s]" % ( - "#" * int(perc*size/100), - " " * (size - int(perc*size/100)), - ) - - self.stdscr.addstr( - i+2, left_margin + max_len + middle_space, - "%s %3d%% (%d/%d)" % (progress, perc, data["num_done"], data["total"]), - ) - - if self.finished: - self.stdscr.addstr( - self.rows-1, 0, - "Press any key to exit...", - ) - - self.stdscr.refresh() - self.last_update = time.time() - - def done(self): - self.finished = True - self.render(True) - self.stdscr.getch() - - def on_prepare_sqlite(self): - self.stdscr.clear() - self.stdscr.addstr( - 0, 0, - "Preparing SQLite database...", - curses.A_BOLD, - ) - self.stdscr.refresh() - - def on_prepare_postgres(self): - self.stdscr.clear() - self.stdscr.addstr( - 0, 0, - "Preparing PostgreSQL database...", - curses.A_BOLD, - ) - self.stdscr.refresh() - - def fetching_tables(self): - self.stdscr.clear() - self.stdscr.addstr( - 0, 0, - "Fetching tables...", - curses.A_BOLD, - ) - self.stdscr.refresh() - - def preparing_tables(self): - self.stdscr.clear() - self.stdscr.addstr( - 0, 0, - "Preparing tables...", - curses.A_BOLD, - ) - self.stdscr.refresh() - - -class TerminalProgress(Progress): - """Just prints progress to the terminal - """ - def update(self, table, num_done): - super(TerminalProgress, self).update(table, num_done) - - data = self.tables[table] - - print "%s: %d%% (%d/%d)" % ( - table, data["perc"], - data["num_done"], data["total"], - ) - - def on_prepare_sqlite(self): - print "Preparing SQLite database..." - - def on_prepare_postgres(self): - print "Preparing PostgreSQL database..." - - def fetching_tables(self): - print "Fetching tables..." - - def preparing_tables(self): - print "Preparing tables..." - - class Porter(object): def __init__(self, **kwargs): self.__dict__.update(kwargs) @@ -630,6 +429,180 @@ class Porter(object): reactor.stop() +############################################## +###### The following is simply UI stuff ###### +############################################## + + +class Progress(object): + """Used to report progress of the port + """ + def __init__(self): + self.tables = {} + + self.start_time = int(time.time()) + + def add_table(self, table, cur, size): + self.tables[table] = { + "start": cur, + "num_done": cur, + "total": size, + "perc": int(cur * 100 / size), + } + + def update(self, table, num_done): + data = self.tables[table] + data["num_done"] = num_done + data["perc"] = int(num_done * 100 / data["total"]) + + def done(self): + pass + + +class CursesProgress(Progress): + """Reports progress to a curses window + """ + def __init__(self, stdscr): + self.stdscr = stdscr + + curses.use_default_colors() + curses.curs_set(0) + + curses.init_pair(1, curses.COLOR_RED, -1) + curses.init_pair(2, curses.COLOR_GREEN, -1) + + self.last_update = 0 + + self.finished = False + + super(CursesProgress, self).__init__() + + def update(self, table, num_done): + super(CursesProgress, self).update(table, num_done) + + self.render() + + def render(self, force=False): + now = time.time() + + if not force and now - self.last_update < 0.2: + # reactor.callLater(1, self.render) + return + + self.stdscr.clear() + + rows, cols = self.stdscr.getmaxyx() + + duration = int(now) - int(self.start_time) + + minutes, seconds = divmod(duration, 60) + duration_str = '%02dm %02ds' % (minutes, seconds,) + + if self.finished: + status = "Time spent: %s (Done!)" % (duration_str,) + else: + min_perc = min( + (v["num_done"] - v["start"]) * 100. / (v["total"] - v["start"]) + if v["total"] - v["start"] else 100 + for v in self.tables.values() + ) + if min_perc > 0: + est_remaining = (int(now) - self.start_time) * 100 / min_perc + est_remaining_str = '%02dm %02ds remaining' % divmod(est_remaining, 60) + else: + est_remaining_str = "Unknown" + status = ( + "Time spent: %s (est. remaining: %s)" + % (duration_str, est_remaining_str,) + ) + + self.stdscr.addstr( + 0, 0, + status, + curses.A_BOLD, + ) + + max_len = max([len(t) for t in self.tables.keys()]) + + left_margin = 5 + middle_space = 1 + + items = self.tables.items() + items.sort( + key=lambda i: (i[1]["perc"], i[0]), + ) + + for i, (table, data) in enumerate(items): + if i + 2 >= rows: + break + + perc = data["perc"] + + color = curses.color_pair(2) if perc == 100 else curses.color_pair(1) + + self.stdscr.addstr( + i+2, left_margin + max_len - len(table), + table, + curses.A_BOLD | color, + ) + + size = 20 + + progress = "[%s%s]" % ( + "#" * int(perc*size/100), + " " * (size - int(perc*size/100)), + ) + + self.stdscr.addstr( + i+2, left_margin + max_len + middle_space, + "%s %3d%% (%d/%d)" % (progress, perc, data["num_done"], data["total"]), + ) + + if self.finished: + self.stdscr.addstr( + self.rows-1, 0, + "Press any key to exit...", + ) + + self.stdscr.refresh() + self.last_update = time.time() + + def done(self): + self.finished = True + self.render(True) + self.stdscr.getch() + + def set_state(self, state): + self.stdscr.clear() + self.stdscr.addstr( + 0, 0, + state + "...", + curses.A_BOLD, + ) + self.stdscr.refresh() + + +class TerminalProgress(Progress): + """Just prints progress to the terminal + """ + def update(self, table, num_done): + super(TerminalProgress, self).update(table, num_done) + + data = self.tables[table] + + print "%s: %d%% (%d/%d)" % ( + table, data["perc"], + data["num_done"], data["total"], + ) + + def set_state(self, state): + print state + "..." + + +############################################## +############################################## + + if __name__ == "__main__": parser = argparse.ArgumentParser() parser.add_argument("-v", action='store_true') |