def run_cli(self):
pgexecute = self.pgexecute
logger = self.logger
original_less_opts = self.adjust_less_opts()
completer = self.completer
self.refresh_completions()
def set_vi_mode(value):
self.vi_mode = value
key_binding_manager = pgcli_bindings(
get_vi_mode_enabled=lambda: self.vi_mode,
set_vi_mode_enabled=set_vi_mode)
print('Version:', __version__)
print('Chat: https://gitter.im/dbcli/pgcli')
print('Mail: https://groups.google.com/forum/#!forum/pgcli')
print('Home: http://pgcli.com')
def prompt_tokens(cli):
return [(Token.Prompt, '%s> ' % pgexecute.dbname)]
get_toolbar_tokens = create_toolbar_tokens_func(lambda: self.vi_mode)
layout = create_default_layout(
lexer=PostgresLexer,
reserve_space_for_menu=True,
get_prompt_tokens=prompt_tokens,
get_bottom_toolbar_tokens=get_toolbar_tokens,
extra_input_processors=[
# Highlight matching brackets while editing.
ConditionalProcessor(
processor=HighlightMatchingBracketProcessor(
chars='[](){}'),
filter=HasFocus(DEFAULT_BUFFER) & ~IsDone()),
])
history_file = self.config['main']['history_file']
buf = PGBuffer(always_multiline=self.multi_line,
completer=completer,
history=FileHistory(os.path.expanduser(history_file)),
complete_while_typing=Always())
application = Application(
style=style_factory(self.syntax_style),
layout=layout,
buffer=buf,
key_bindings_registry=key_binding_manager.registry,
on_exit=AbortAction.RAISE_EXCEPTION)
cli = CommandLineInterface(application=application,
eventloop=create_eventloop())
try:
while True:
document = cli.run()
# The reason we check here instead of inside the pgexecute is
# because we want to raise the Exit exception which will be
# caught by the try/except block that wraps the pgexecute.run()
# statement.
if quit_command(document.text):
raise EOFError
try:
document = self.handle_editor_command(cli, document)
except RuntimeError as e:
logger.error("sql: %r, error: %r", document.text, e)
logger.error("traceback: %r", traceback.format_exc())
click.secho(str(e), err=True, fg='red')
continue
# 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', document.text)
successful = False
# Initialized to [] because res might never get initialized
# if an exception occurs in pgexecute.run(). Which causes
# finally clause to fail.
res = []
start = time()
# Run the query.
res = pgexecute.run(document.text, self.pgspecial)
duration = time() - start
successful = True
output = []
total = 0
for title, cur, headers, status in res:
logger.debug("headers: %r", headers)
logger.debug("rows: %r", cur)
logger.debug("status: %r", status)
start = time()
threshold = 1000
if (is_select(status) and cur
and cur.rowcount > threshold):
click.secho(
'The result set has more than %s rows.' %
threshold,
fg='red')
if not click.confirm('Do you want to continue?'):
click.secho("Aborted!", err=True, fg='red')
break
formatted = format_output(
title, cur, headers, status, self.table_format,
self.pgspecial.expanded_output)
output.extend(formatted)
end = time()
total += end - start
mutating = mutating or is_mutating(status)
except KeyboardInterrupt:
# Restart connection to the database
pgexecute.connect()
logger.debug("cancelled query, sql: %r", document.text)
click.secho("cancelled query", err=True, fg='red')
except NotImplementedError:
click.secho('Not Yet Implemented.', fg="yellow")
except OperationalError as e:
reconnect = True
if ('server closed the connection'
in utf8tounicode(e.args[0])):
reconnect = click.prompt(
'Connection reset. Reconnect (Y/n)',
show_default=False,
type=bool,
default=True)
if reconnect:
try:
pgexecute.connect()
click.secho(
'Reconnected!\nTry the command again.',
fg='green')
except OperationalError as e:
click.secho(str(e), err=True, fg='red')
else:
logger.error("sql: %r, error: %r", document.text, e)
logger.error("traceback: %r", traceback.format_exc())
click.secho(str(e), err=True, fg='red')
except Exception as e:
logger.error("sql: %r, error: %r", document.text, e)
logger.error("traceback: %r", traceback.format_exc())
click.secho(str(e), err=True, fg='red')
else:
click.echo_via_pager('\n'.join(output))
if self.pgspecial.timing_enabled:
print('Command Time: %0.03fs' % duration)
print('Format Time: %0.03fs' % total)
# Refresh the table names and column names if necessary.
if need_completion_refresh(document.text):
self.refresh_completions()
# Refresh search_path to set default schema.
if need_search_path_refresh(document.text):
logger.debug('Refreshing search path')
completer.set_search_path(pgexecute.search_path())
logger.debug('Search path: %r', completer.search_path)
query = Query(document.text, successful, mutating)
self.query_history.append(query)
except EOFError:
print('Goodbye!')
finally: # Reset the less opts back to original.
logger.debug('Restoring env var LESS to %r.', original_less_opts)
os.environ['LESS'] = original_less_opts
def _build_cli(self, history):
def set_vi_mode(value):
self.vi_mode = value
key_binding_manager = pgcli_bindings(
get_vi_mode_enabled=lambda: self.vi_mode,
set_vi_mode_enabled=set_vi_mode)
def prompt_tokens(_):
if self.dsn_alias and self.prompt_dsn_format is not None:
prompt_format = self.prompt_dsn_format
else:
prompt_format = self.prompt_format
prompt = self.get_prompt(prompt_format)
if (prompt_format == self.default_prompt and
len(prompt) > self.max_len_prompt):
prompt = self.get_prompt('\\d> ')
return [(Token.Prompt, prompt)]
def get_continuation_tokens(cli, width):
continuation=self.multiline_continuation_char * (width - 1) + ' '
return [(Token.Continuation, continuation)]
get_toolbar_tokens = create_toolbar_tokens_func(
lambda: self.vi_mode, self.completion_refresher.is_refreshing,
self.pgexecute.failed_transaction,
self.pgexecute.valid_transaction)
layout = create_prompt_layout(
lexer=PygmentsLexer(PostgresLexer),
reserve_space_for_menu=self.min_num_menu_lines,
get_prompt_tokens=prompt_tokens,
get_continuation_tokens=get_continuation_tokens,
get_bottom_toolbar_tokens=get_toolbar_tokens,
display_completions_in_columns=self.wider_completion_menu,
multiline=True,
extra_input_processors=[
# Highlight matching brackets while editing.
ConditionalProcessor(
processor=HighlightMatchingBracketProcessor(chars='[](){}'),
filter=HasFocus(DEFAULT_BUFFER) & ~IsDone()),
])
with self._completer_lock:
buf = PGBuffer(
auto_suggest=AutoSuggestFromHistory(),
always_multiline=self.multi_line,
multiline_mode=self.multiline_mode,
completer=self.completer,
history=history,
complete_while_typing=Always(),
accept_action=AcceptAction.RETURN_DOCUMENT)
editing_mode = EditingMode.VI if self.vi_mode else EditingMode.EMACS
application = Application(
style=style_factory(self.syntax_style, self.cli_style),
layout=layout,
buffer=buf,
key_bindings_registry=key_binding_manager.registry,
on_exit=AbortAction.RAISE_EXCEPTION,
on_abort=AbortAction.RETRY,
ignore_case=True,
editing_mode=editing_mode)
cli = CommandLineInterface(application=application,
eventloop=self.eventloop)
return cli
def run_cli(self):
iterations = 0
sqlexecute = self.sqlexecute
logger = self.logger
self.configure_pager()
if self.smart_completion:
self.refresh_completions()
author_file = os.path.join(PACKAGE_ROOT, 'AUTHORS')
sponsor_file = os.path.join(PACKAGE_ROOT, 'SPONSORS')
key_binding_manager = mycli_bindings()
if not self.less_chatty:
print('Version:', __version__)
print('Chat: https://gitter.im/dbcli/mycli')
print('Mail: https://groups.google.com/forum/#!forum/mycli-users')
print('Home: http://mycli.net')
print('Thanks to the contributor -',
thanks_picker([author_file, sponsor_file]))
def prompt_tokens(cli):
prompt = self.get_prompt(self.prompt_format)
if self.prompt_format == self.default_prompt and len(
prompt) > self.max_len_prompt:
prompt = self.get_prompt('\\d> ')
return [(Token.Prompt, prompt)]
def get_continuation_tokens(cli, width):
continuation_prompt = self.get_prompt(
self.prompt_continuation_format)
return [(Token.Continuation, ' ' *
(width - len(continuation_prompt)) + continuation_prompt)]
def show_suggestion_tip():
return iterations < 2
def one_iteration(document=None):
if document is None:
document = self.cli.run()
special.set_expanded_output(False)
try:
document = self.handle_editor_command(self.cli, document)
except RuntimeError as e:
logger.error("sql: %r, error: %r", document.text, e)
logger.error("traceback: %r", traceback.format_exc())
self.echo(str(e), err=True, fg='red')
return
if not document.text.strip():
return
if self.destructive_warning:
destroy = confirm_destructive_query(document.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', document.text)
special.write_tee(
self.get_prompt(self.prompt_format) + document.text)
if self.logfile:
self.logfile.write('\n# %s\n' % datetime.now())
self.logfile.write(document.text)
self.logfile.write('\n')
successful = False
start = time()
res = sqlexecute.run(document.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 click.confirm('Do you want to continue?'):
self.echo("Aborted!", err=True, fg='red')
break
if self.auto_vertical_output:
max_width = self.cli.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
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:
# 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, document.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(document)
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", document.text, e)
logger.error("traceback: %r", traceback.format_exc())
self.echo(str(e), err=True, fg='red')
except Exception as e:
logger.error("sql: %r, error: %r", document.text, e)
logger.error("traceback: %r", traceback.format_exc())
self.echo(str(e), err=True, fg='red')
else:
if is_dropping_database(document.text, self.sqlexecute.dbname):
self.sqlexecute.dbname = None
self.sqlexecute.connect()
# Refresh the table names and column names if necessary.
if need_completion_refresh(document.text):
self.refresh_completions(
reset=need_completion_reset(document.text))
finally:
if self.logfile is False:
self.echo("Warning: This query was not logged.",
err=True,
fg='red')
query = Query(document.text, successful, mutating)
self.query_history.append(query)
get_toolbar_tokens = create_toolbar_tokens_func(
self.completion_refresher.is_refreshing, show_suggestion_tip)
layout = create_prompt_layout(
lexer=MyCliLexer,
multiline=True,
get_prompt_tokens=prompt_tokens,
get_continuation_tokens=get_continuation_tokens,
get_bottom_toolbar_tokens=get_toolbar_tokens,
display_completions_in_columns=self.wider_completion_menu,
extra_input_processors=[
ConditionalProcessor(
processor=HighlightMatchingBracketProcessor(
chars='[](){}'),
filter=HasFocus(DEFAULT_BUFFER) & ~IsDone())
],
reserve_space_for_menu=self.get_reserved_space())
with self._completer_lock:
buf = CLIBuffer(always_multiline=self.multi_line,
completer=self.completer,
history=FileHistory(
os.path.expanduser(
os.environ.get('MYCLI_HISTFILE',
'~/.mycli-history'))),
auto_suggest=AutoSuggestFromHistory(),
complete_while_typing=Always(),
accept_action=AcceptAction.RETURN_DOCUMENT)
if self.key_bindings == 'vi':
editing_mode = EditingMode.VI
else:
editing_mode = EditingMode.EMACS
application = Application(
style=style_from_pygments(style_cls=self.output_style),
layout=layout,
buffer=buf,
key_bindings_registry=key_binding_manager.registry,
on_exit=AbortAction.RAISE_EXCEPTION,
on_abort=AbortAction.RETRY,
editing_mode=editing_mode,
ignore_case=True)
self.cli = CommandLineInterface(application=application,
eventloop=create_eventloop())
try:
while True:
one_iteration()
iterations += 1
except EOFError:
special.close_tee()
if not self.less_chatty:
self.echo('Goodbye!')
def run_cli(self):
sqlexecute = self.sqlexecute
logger = self.logger
original_less_opts = self.adjust_less_opts()
self.set_pager_from_config()
self.initialize_completions()
completer = self.completer
def set_key_bindings(value):
if value not in ('emacs', 'vi'):
value = 'emacs'
self.key_bindings = value
project_root = os.path.dirname(PACKAGE_ROOT)
author_file = os.path.join(project_root, 'AUTHORS')
sponsor_file = os.path.join(project_root, 'SPONSORS')
key_binding_manager = mycli_bindings(
get_key_bindings=lambda: self.key_bindings,
set_key_bindings=set_key_bindings)
print('Version:', __version__)
print('Chat: https://gitter.im/dbcli/mycli')
print('Mail: https://groups.google.com/forum/#!forum/mycli-users')
print('Home: http://mycli.net')
print('Thanks to the contributor -',
thanks_picker([author_file, sponsor_file]))
def prompt_tokens(cli):
return [(Token.Prompt, self.get_prompt(self.prompt_format))]
get_toolbar_tokens = create_toolbar_tokens_func(
lambda: self.key_bindings)
layout = create_default_layout(
lexer=MyCliLexer,
reserve_space_for_menu=True,
multiline=True,
get_prompt_tokens=prompt_tokens,
get_bottom_toolbar_tokens=get_toolbar_tokens,
display_completions_in_columns=self.wider_completion_menu,
extra_input_processors=[
ConditionalProcessor(
processor=HighlightMatchingBracketProcessor(
chars='[](){}'),
filter=HasFocus(DEFAULT_BUFFER) & ~IsDone()),
])
buf = CLIBuffer(always_multiline=self.multi_line,
completer=completer,
history=FileHistory(
os.path.expanduser('~/.mycli-history')),
complete_while_typing=Always())
application = Application(
style=style_factory(self.syntax_style, self.cli_style),
layout=layout,
buffer=buf,
key_bindings_registry=key_binding_manager.registry,
on_exit=AbortAction.RAISE_EXCEPTION,
ignore_case=True)
cli = CommandLineInterface(application=application,
eventloop=create_eventloop())
try:
while True:
document = cli.run()
special.set_expanded_output(False)
# The reason we check here instead of inside the sqlexecute is
# because we want to raise the Exit exception which will be
# caught by the try/except block that wraps the
# sqlexecute.run() statement.
if quit_command(document.text):
raise EOFError
try:
document = self.handle_editor_command(cli, document)
except RuntimeError as e:
logger.error("sql: %r, error: %r", document.text, e)
logger.error("traceback: %r", traceback.format_exc())
self.output(str(e), err=True, fg='red')
continue
if self.destructive_warning:
destroy = confirm_destructive_query(document.text)
if destroy is None:
pass # Query was not destructive. Nothing to do here.
elif destroy is True:
self.output('Your call!')
else:
self.output('Wise choice!')
continue
# 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', document.text)
if self.logfile:
self.logfile.write('\n# %s\n' % datetime.now())
self.logfile.write(document.text)
self.logfile.write('\n')
successful = False
start = time()
res = sqlexecute.run(document.text)
duration = time() - start
successful = True
output = []
total = 0
for title, cur, headers, status in res:
logger.debug("headers: %r", headers)
logger.debug("rows: %r", cur)
logger.debug("status: %r", status)
start = time()
threshold = 1000
if (is_select(status) and cur
and cur.rowcount > threshold):
self.output(
'The result set has more than %s rows.' %
threshold,
fg='red')
if not click.confirm('Do you want to continue?'):
self.output("Aborted!", err=True, fg='red')
break
output.extend(
format_output(title, cur, headers, status,
self.table_format))
end = time()
total += end - start
mutating = mutating or is_mutating(status)
except KeyboardInterrupt:
# Restart connection to the database
sqlexecute.connect()
logger.debug("cancelled query, sql: %r", document.text)
self.output("cancelled query", err=True, fg='red')
except NotImplementedError:
self.output('Not Yet Implemented.', fg="yellow")
except OperationalError as e:
logger.debug("Exception: %r", e)
reconnect = True
if (e.args[0] in (2003, 2006, 2013)):
reconnect = click.prompt(
'Connection reset. Reconnect (Y/n)',
show_default=False,
type=bool,
default=True)
if reconnect:
logger.debug('Attempting to reconnect.')
try:
sqlexecute.connect()
logger.debug('Reconnected successfully.')
self.output(
'Reconnected!\nTry the command again.',
fg='green')
except OperationalError as e:
logger.debug('Reconnect failed. e: %r', e)
self.output(str(e), err=True, fg='red')
continue # If reconnection failed, don't proceed further.
else: # If user chooses not to reconnect, don't proceed further.
continue
else:
logger.error("sql: %r, error: %r", document.text, e)
logger.error("traceback: %r", traceback.format_exc())
self.output(str(e), err=True, fg='red')
except Exception as e:
logger.error("sql: %r, error: %r", document.text, e)
logger.error("traceback: %r", traceback.format_exc())
self.output(str(e), err=True, fg='red')
else:
try:
self.output_via_pager('\n'.join(output))
except KeyboardInterrupt:
pass
if special.is_timing_enabled():
self.output('Command Time: %0.03fs' % duration)
self.output('Format Time: %0.03fs' % total)
# Refresh the table names and column names if necessary.
if need_completion_refresh(document.text):
self.refresh_dynamic_completions()
query = Query(document.text, successful, mutating)
self.query_history.append(query)
except EOFError:
self.output('Goodbye!')
finally: # Reset the less opts back to original.
logger.debug('Restoring env var LESS to %r.', original_less_opts)
os.environ['LESS'] = original_less_opts
os.environ['PAGER'] = special.get_original_pager()
def init_prompt_toolkit_cli(self):
if self.simple_prompt or ('JUPYTER_CONSOLE_TEST' in os.environ):
# Simple restricted interface for tests so we can find prompts with
# pexpect. Multi-line input not supported.
@asyncio.coroutine
def prompt():
prompt = 'In [%d]: ' % self.execution_count
raw = yield from async_input(prompt)
return raw
self.prompt_for_code = prompt
self.print_out_prompt = \
lambda: print('Out[%d]: ' % self.execution_count, end='')
return
kb = KeyBindings()
insert_mode = vi_insert_mode | emacs_insert_mode
@kb.add("enter",
filter=(has_focus(DEFAULT_BUFFER)
& ~has_selection
& insert_mode))
def _(event):
b = event.current_buffer
d = b.document
if not (d.on_last_line or d.cursor_position_row >=
d.line_count - d.empty_line_count_at_the_end()):
b.newline()
return
# Pressing enter flushes any pending display. This also ensures
# the displayed execution_count is correct.
self.handle_iopub()
more, indent = self.check_complete(d.text)
if (not more) and b.accept_handler:
b.validate_and_handle()
else:
b.insert_text('\n' + indent)
@kb.add("c-c", filter=has_focus(DEFAULT_BUFFER))
def _(event):
event.current_buffer.reset()
@kb.add("c-\\", filter=has_focus(DEFAULT_BUFFER))
def _(event):
raise EOFError
@kb.add("c-z",
filter=Condition(lambda: suspend_to_background_supported()))
def _(event):
event.cli.suspend_to_background()
# Pre-populate history from IPython's history database
history = InMemoryHistory()
last_cell = u""
for _, _, cell in self.history_manager.get_tail(
self.history_load_length, include_latest=True):
# Ignore blank lines and consecutive duplicates
cell = cell.rstrip()
if cell and (cell != last_cell):
history.append_string(cell)
style_overrides = {
Token.Prompt: '#009900',
Token.PromptNum: '#00ff00 bold',
Token.OutPrompt: '#ff2200',
Token.OutPromptNum: '#ff0000 bold',
Token.RemotePrompt: '#999900',
}
if self.highlighting_style:
style_cls = get_style_by_name(self.highlighting_style)
else:
style_cls = get_style_by_name('default')
# The default theme needs to be visible on both a dark background
# and a light background, because we can't tell what the terminal
# looks like. These tweaks to the default theme help with that.
style_overrides.update({
Token.Number: '#007700',
Token.Operator: 'noinherit',
Token.String: '#BB6622',
Token.Name.Function: '#2080D0',
Token.Name.Class: 'bold #2080D0',
Token.Name.Namespace: 'bold #2080D0',
})
style_overrides.update(self.highlighting_style_overrides)
style = merge_styles([
style_from_pygments_cls(style_cls),
style_from_pygments_dict(style_overrides),
])
editing_mode = getattr(EditingMode, self.editing_mode.upper())
langinfo = self.kernel_info.get('language_info', {})
lexer = langinfo.get('pygments_lexer', langinfo.get('name', 'text'))
# If enabled in the settings, highlight matching brackets
# when the DEFAULT_BUFFER has the focus
input_processors = [
ConditionalProcessor(
processor=HighlightMatchingBracketProcessor(chars='[](){}'),
filter=has_focus(DEFAULT_BUFFER) & ~is_done
& Condition(lambda: self.highlight_matching_brackets))
]
# Tell prompt_toolkit to use the asyncio event loop.
# Obsolete in prompt_toolkit.v3
if not PTK3:
use_asyncio_event_loop()
self.pt_cli = PromptSession(
message=(lambda: PygmentsTokens(self.get_prompt_tokens())),
multiline=True,
editing_mode=editing_mode,
lexer=PygmentsLexer(get_pygments_lexer(lexer)),
prompt_continuation=(
lambda width, lineno, is_soft_wrap: PygmentsTokens(
self.get_continuation_tokens(width))),
key_bindings=kb,
history=history,
completer=JupyterPTCompleter(self.Completer),
enable_history_search=True,
style=style,
input_processors=input_processors,
color_depth=(ColorDepth.TRUE_COLOR if self.true_color else None),
)
def run_cli(self):
iterations = 0
sqlexecute = self.sqlexecute
logger = self.logger
self.configure_pager()
self.refresh_completions()
history_file = config_location() + "history"
if dir_path_exists(history_file):
history = FileHistory(history_file)
else:
history = None
self.echo(
'Error: Unable to open the history file "{}". '
"Your query history will not be saved.".format(history_file),
err=True,
fg="red",
)
key_bindings = cli_bindings(self)
if not self.less_chatty:
print("Version:", __version__)
print(
"Mail: https://groups.google.com/forum/#!forum/litecli-users")
print("Github: https://github.com/dbcli/litecli")
# print("Home: https://litecli.com")
def get_message():
prompt = self.get_prompt(self.prompt_format)
if (self.prompt_format == self.default_prompt
and len(prompt) > self.max_len_prompt):
prompt = self.get_prompt("\\d> ")
return [("class:prompt", prompt)]
def get_continuation(width, line_number, is_soft_wrap):
continuation = " " * (width - 1) + " "
return [("class:continuation", continuation)]
def show_suggestion_tip():
return iterations < 2
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.echo(str(e), err=True, fg="red")
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)
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.echo(str(e), err=True, fg="red")
except Exception as e:
logger.error("sql: %r, error: %r", text, e)
logger.error("traceback: %r", traceback.format_exc())
self.echo(str(e), err=True, fg="red")
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)
get_toolbar_tokens = create_toolbar_tokens_func(
self, show_suggestion_tip)
if self.wider_completion_menu:
complete_style = CompleteStyle.MULTI_COLUMN
else:
complete_style = CompleteStyle.COLUMN
with self._completer_lock:
if self.key_bindings == "vi":
editing_mode = EditingMode.VI
else:
editing_mode = EditingMode.EMACS
self.prompt_app = PromptSession(
lexer=PygmentsLexer(LiteCliLexer),
reserve_space_for_menu=self.get_reserved_space(),
message=get_message,
prompt_continuation=get_continuation,
bottom_toolbar=get_toolbar_tokens,
complete_style=complete_style,
input_processors=[
ConditionalProcessor(
processor=HighlightMatchingBracketProcessor(
chars="[](){}"),
filter=HasFocus(DEFAULT_BUFFER) & ~IsDone(),
)
],
tempfile_suffix=".sql",
completer=DynamicCompleter(lambda: self.completer),
history=history,
auto_suggest=AutoSuggestFromHistory(),
complete_while_typing=True,
multiline=cli_is_multiline(self),
style=style_factory(self.syntax_style, self.cli_style),
include_default_pygments_style=False,
key_bindings=key_bindings,
enable_open_in_editor=True,
enable_system_prompt=True,
enable_suspend=True,
editing_mode=editing_mode,
search_ignore_case=True,
)
try:
while True:
one_iteration()
iterations += 1
except EOFError:
special.close_tee()
if not self.less_chatty:
self.echo("Goodbye!")
def loop(cmd, history_file):
def session_toolbar(cli):
return _get_toolbar_tokens(cmd.is_conn_available, cmd.username,
cmd.connection.client.active_servers)
key_binding_manager = KeyBindingManager(
enable_search=True,
enable_abort_and_exit_bindings=True,
enable_system_bindings=True,
enable_open_in_editor=True)
bind_keys(key_binding_manager.registry)
layout = create_layout(
message='cr> ',
multiline=True,
lexer=SqlLexer,
extra_input_processors=[
ConditionalProcessor(
processor=HighlightMatchingBracketProcessor(chars='[](){}'),
filter=HasFocus(DEFAULT_BUFFER) & ~IsDone())
],
get_bottom_toolbar_tokens=session_toolbar)
application = Application(
layout=layout,
buffer=create_buffer(cmd, history_file),
style=PygmentsStyle.from_defaults(pygments_style_cls=CrateStyle),
key_bindings_registry=key_binding_manager.registry,
editing_mode=_get_editing_mode(),
on_exit=AbortAction.RAISE_EXCEPTION,
on_abort=AbortAction.RETRY,
)
eventloop = create_eventloop()
output = create_output()
cli = CommandLineInterface(application=application,
eventloop=eventloop,
output=output)
def get_num_columns_override():
return output.get_size().columns
cmd.get_num_columns = get_num_columns_override
while True:
try:
doc = cli.run(reset_current_buffer=True)
if doc:
cmd.process(doc.text)
except ProgrammingError as e:
if '401' in e.message:
username = cmd.username
password = cmd.password
cmd.username = input('Username: '******'Bye!')
return
def _build_cli(self, history):
key_binding_manager = cli_bindings()
def prompt_tokens(cli):
prompt = self.get_prompt(self.prompt)
if len(prompt) > self.MAX_LEN_PROMPT:
prompt = self.get_prompt('\\r:\\d> ')
return [(Token.Prompt, prompt)]
def get_continuation_tokens(cli, width):
prompt = self.get_prompt(self.prompt_continuation_format)
token = (Token.Continuation, ' ' * (width - len(prompt)) + prompt)
return [token]
def show_suggestion_tip():
return self.iterations < 2
get_toolbar_tokens = create_toolbar_tokens_func(
self.completion_refresher.is_refreshing, show_suggestion_tip)
layout = create_prompt_layout(
lexer=Lexer,
multiline=True,
get_prompt_tokens=prompt_tokens,
get_continuation_tokens=get_continuation_tokens,
get_bottom_toolbar_tokens=get_toolbar_tokens,
display_completions_in_columns=False,
extra_input_processors=[
ConditionalProcessor(
processor=HighlightMatchingBracketProcessor(
chars='[](){}'),
filter=HasFocus(DEFAULT_BUFFER) & ~IsDone())
],
reserve_space_for_menu=self.get_reserved_space())
with self._completer_lock:
buf = CLIBuffer(always_multiline=self.multi_line,
completer=self.completer,
history=history,
auto_suggest=AutoSuggestFromHistory(),
complete_while_typing=Always(),
accept_action=AcceptAction.RETURN_DOCUMENT)
if self.key_bindings == 'vi':
editing_mode = EditingMode.VI
else:
editing_mode = EditingMode.EMACS
application = Application(
style=style_from_pygments(style_cls=self.output_style),
layout=layout,
buffer=buf,
key_bindings_registry=key_binding_manager.registry,
on_exit=AbortAction.RAISE_EXCEPTION,
on_abort=AbortAction.RETRY,
editing_mode=editing_mode,
ignore_case=True)
cli = CommandLineInterface(application=application,
eventloop=create_eventloop())
return cli
def _build_cli(self, history):
key_bindings = pgcli_bindings(self)
def get_message():
if self.dsn_alias and self.prompt_dsn_format is not None:
prompt_format = self.prompt_dsn_format
else:
prompt_format = self.prompt_format
prompt = self.get_prompt(prompt_format)
if (
prompt_format == self.default_prompt
and len(prompt) > self.max_len_prompt
):
prompt = self.get_prompt("\\d> ")
return [("class:prompt", prompt)]
def get_continuation(width, line_number, is_soft_wrap):
continuation = self.multiline_continuation_char * (width - 1) + " "
return [("class:continuation", continuation)]
get_toolbar_tokens = create_toolbar_tokens_func(self)
if self.wider_completion_menu:
complete_style = CompleteStyle.MULTI_COLUMN
else:
complete_style = CompleteStyle.COLUMN
with self._completer_lock:
prompt_app = PromptSession(
lexer=PygmentsLexer(PostgresLexer),
reserve_space_for_menu=self.min_num_menu_lines,
message=get_message,
prompt_continuation=get_continuation,
bottom_toolbar=get_toolbar_tokens,
complete_style=complete_style,
input_processors=[
# Highlight matching brackets while editing.
ConditionalProcessor(
processor=HighlightMatchingBracketProcessor(chars="[](){}"),
filter=HasFocus(DEFAULT_BUFFER) & ~IsDone(),
),
# Render \t as 4 spaces instead of "^I"
TabsProcessor(char1=" ", char2=" "),
],
auto_suggest=AutoSuggestFromHistory(),
tempfile_suffix=".sql",
# N.b. pgcli's multi-line mode controls submit-on-Enter (which
# overrides the default behaviour of prompt_toolkit) and is
# distinct from prompt_toolkit's multiline mode here, which
# controls layout/display of the prompt/buffer
multiline=True,
history=history,
completer=ThreadedCompleter(DynamicCompleter(lambda: self.completer)),
complete_while_typing=True,
style=style_factory(self.syntax_style, self.cli_style),
include_default_pygments_style=False,
key_bindings=key_bindings,
enable_open_in_editor=True,
enable_system_prompt=True,
enable_suspend=True,
editing_mode=EditingMode.VI if self.vi_mode else EditingMode.EMACS,
search_ignore_case=True,
)
return prompt_app
def run_cli(self):
sqlexecute = self.sqlexecute
logger = self.logger
self.configure_pager()
self.refresh_completions()
project_root = os.path.dirname(PACKAGE_ROOT)
author_file = os.path.join(project_root, 'AUTHORS')
sponsor_file = os.path.join(project_root, 'SPONSORS')
key_binding_manager = mycli_bindings()
if not self.less_chatty:
print('Version:', __version__)
print('Chat: https://gitter.im/dbcli/mycli')
print('Mail: https://groups.google.com/forum/#!forum/mycli-users')
print('Home: http://mycli.net')
print('Thanks to the contributor -',
thanks_picker([author_file, sponsor_file]))
def prompt_tokens(cli):
return [(Token.Prompt, self.get_prompt(self.prompt_format))]
def get_continuation_tokens(cli, width):
continuation_prompt = self.get_prompt(
self.prompt_continuation_format)
return [(Token.Continuation, ' ' *
(width - len(continuation_prompt)) + continuation_prompt)]
def one_iteration(document=None):
if document is None:
document = self.cli.run(reset_current_buffer=True)
special.set_expanded_output(False)
# The reason we check here instead of inside the sqlexecute is
# because we want to raise the Exit exception which will be
# caught by the try/except block that wraps the
# sqlexecute.run() statement.
if quit_command(document.text):
raise EOFError
try:
document = self.handle_editor_command(self.cli, document)
except RuntimeError as e:
logger.error("sql: %r, error: %r", document.text, e)
logger.error("traceback: %r", traceback.format_exc())
self.output(str(e), err=True, fg='red')
return
if self.destructive_warning:
destroy = confirm_destructive_query(document.text)
if destroy is None:
pass # Query was not destructive. Nothing to do here.
elif destroy is True:
self.output('Your call!')
else:
self.output('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', document.text)
if self.logfile:
self.logfile.write('\n# %s\n' % datetime.now())
self.logfile.write(document.text)
self.logfile.write('\n')
successful = False
start = time()
res = sqlexecute.run(document.text)
successful = True
output = []
total = 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.output('The result set has more than %s rows.' %
threshold,
fg='red')
if not click.confirm('Do you want to continue?'):
self.output("Aborted!", err=True, fg='red')
break
if self.auto_vertical_output:
max_width = self.cli.output.get_size().columns
else:
max_width = None
formatted = format_output(title, cur, headers, status,
self.table_format,
special.is_expanded_output(),
max_width)
output.extend(formatted)
end = time()
total += end - start
mutating = mutating or is_mutating(status)
except UnicodeDecodeError as e:
import pymysql
if pymysql.VERSION < (0, 6, 7):
message = (
'You are running an older version of pymysql.\n'
'Please upgrade to 0.6.7 or above to view binary data.\n'
'Try \'pip install -U pymysql\'.')
self.output(message)
else:
raise e
except KeyboardInterrupt:
# Restart connection to the database
sqlexecute.connect()
logger.debug("cancelled query, sql: %r", document.text)
self.output("cancelled query", err=True, fg='red')
except NotImplementedError:
self.output('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.output('Reconnecting...', fg='yellow')
try:
sqlexecute.connect()
logger.debug('Reconnected successfully.')
one_iteration(document)
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.output(str(e), err=True, fg='red')
return # If reconnection failed, don't proceed further.
else:
logger.error("sql: %r, error: %r", document.text, e)
logger.error("traceback: %r", traceback.format_exc())
self.output(str(e), err=True, fg='red')
except Exception as e:
logger.error("sql: %r, error: %r", document.text, e)
logger.error("traceback: %r", traceback.format_exc())
self.output(str(e), err=True, fg='red')
else:
try:
if special.is_pager_enabled():
self.output_via_pager('\n'.join(output))
else:
self.output('\n'.join(output))
except KeyboardInterrupt:
pass
if special.is_timing_enabled():
self.output('Time: %0.03fs' % total)
# Refresh the table names and column names if necessary.
if need_completion_refresh(document.text):
self.refresh_completions(
reset=need_completion_reset(document.text))
finally:
if self.logfile is False:
self.output("Warning: This query was not logged.",
err=True,
fg='red')
query = Query(document.text, successful, mutating)
self.query_history.append(query)
get_toolbar_tokens = create_toolbar_tokens_func(
self.completion_refresher.is_refreshing)
layout = create_prompt_layout(
lexer=MyCliLexer,
multiline=True,
get_prompt_tokens=prompt_tokens,
get_continuation_tokens=get_continuation_tokens,
get_bottom_toolbar_tokens=get_toolbar_tokens,
display_completions_in_columns=self.wider_completion_menu,
extra_input_processors=[
ConditionalProcessor(
processor=HighlightMatchingBracketProcessor(
chars='[](){}'),
filter=HasFocus(DEFAULT_BUFFER) & ~IsDone()),
])
with self._completer_lock:
buf = CLIBuffer(always_multiline=self.multi_line,
completer=self.completer,
history=FileHistory(
os.path.expanduser(
os.environ.get('MYCLI_HISTFILE',
'~/.mycli-history'))),
complete_while_typing=Always(),
accept_action=AcceptAction.RETURN_DOCUMENT)
if self.key_bindings == 'vi':
editing_mode = EditingMode.VI
else:
editing_mode = EditingMode.EMACS
application = Application(
style=style_factory(self.syntax_style, self.cli_style),
layout=layout,
buffer=buf,
key_bindings_registry=key_binding_manager.registry,
on_exit=AbortAction.RAISE_EXCEPTION,
on_abort=AbortAction.RETRY,
editing_mode=editing_mode,
ignore_case=True)
self.cli = CommandLineInterface(application=application,
eventloop=create_eventloop())
try:
while True:
one_iteration()
except EOFError:
if not self.less_chatty:
self.output('Goodbye!')
def run_cli(self):
"""
Run the main loop
"""
print('Version:', __version__)
print('Home: http://wharfee.com')
history = FileHistory(os.path.expanduser('~/.wharfee-history'))
toolbar_handler = create_toolbar_handler(self.get_long_options,
self.get_fuzzy_match)
layout = create_prompt_layout(
message='wharfee> ',
lexer=CommandLexer,
get_bottom_toolbar_tokens=toolbar_handler,
extra_input_processors=[
ConditionalProcessor(
processor=HighlightMatchingBracketProcessor(
chars='[](){}'),
filter=HasFocus(DEFAULT_BUFFER) & ~IsDone())
])
cli_buffer = Buffer(history=history,
completer=self.completer,
complete_while_typing=Always(),
accept_action=AcceptAction.RETURN_DOCUMENT)
manager = get_key_manager(self.set_long_options, self.get_long_options,
self.set_fuzzy_match, self.get_fuzzy_match)
application = Application(style=style_factory(self.theme),
layout=layout,
buffer=cli_buffer,
key_bindings_registry=manager.registry,
on_exit=AbortAction.RAISE_EXCEPTION,
on_abort=AbortAction.RETRY,
ignore_case=True)
eventloop = create_eventloop()
self.dcli = CommandLineInterface(application=application,
eventloop=eventloop)
while True:
try:
document = self.dcli.run(True)
self.handler.handle_input(document.text)
if isinstance(self.handler.output, GeneratorType):
output_stream(self.handler.command, self.handler.output,
self.handler.log)
elif self.handler.output is not None:
lines = format_data(self.handler.command,
self.handler.output)
click.echo_via_pager('\n'.join(lines))
if self.handler.after:
for line in self.handler.after():
click.echo(line)
if self.handler.exception:
# This was handled, just log it.
self.logger.warning('An error was handled: %r',
self.handler.exception)
self.refresh_completions()
except OptionError as ex:
self.logger.debug('Error: %r.', ex)
self.logger.error("traceback: %r", traceback.format_exc())
click.secho(ex.msg, fg='red')
except KeyboardInterrupt:
# user pressed Ctrl + C
if self.handler.after:
click.echo('')
for line in self.handler.after():
click.echo(line)
self.refresh_completions()
except DockerPermissionException as ex:
self.logger.debug('Permission exception: %r.', ex)
self.logger.error("traceback: %r", traceback.format_exc())
click.secho(str(ex), fg='red')
except EOFError:
# exit out of the CLI
break
# TODO: uncomment for release
except Exception as ex:
self.logger.debug('Exception: %r.', ex)
self.logger.error("traceback: %r", traceback.format_exc())
click.secho(str(ex), fg='red')
self.revert_less_opts()
self.write_config_file()
print('Goodbye!')
def create_radian_prompt_session(options, settings):
local_history_file = settings.local_history_file
global_history_file = settings.global_history_file
if options.no_history:
history = ModalInMemoryHistory()
elif not options.global_history and os.path.exists(local_history_file):
history = ModalFileHistory(os.path.abspath(local_history_file))
else:
history_file = os.path.join(os.path.expanduser(global_history_file))
history_file = os.path.expandvars(history_file)
history_file_dir = os.path.dirname(history_file)
if not os.path.exists(history_file_dir):
os.makedirs(history_file_dir, 0o700)
history = ModalFileHistory(history_file)
if is_windows():
output = None
else:
output = CustomOutput.from_pty(sys.stdout,
term=get_term_environment_variable())
def get_inputhook():
# make testing more robust
if "RADIAN_NO_INPUTHOOK" in os.environ:
return None
terminal_width = [None]
def _(context):
output_width = session.app.output.get_size().columns
if output_width and terminal_width[0] != output_width:
terminal_width[0] = output_width
setoption("width", max(terminal_width[0], 20))
while True:
if context.input_is_ready():
break
try:
if peek_event():
with session.app.input.detach():
with session.app.input.rare_mode():
process_events()
else:
polled_events()
except Exception:
pass
time.sleep(1.0 / 30)
return _
def vi_mode_prompt():
if session.editing_mode.lower(
) == "vi" and settings.show_vi_mode_prompt:
im = session.app.vi_state.input_mode
vi_mode_prompt = settings.vi_mode_prompt
if isinstance(vi_mode_prompt, string_types):
return vi_mode_prompt.format(str(im)[3:6])
else:
return vi_mode_prompt[str(im)[3:6]]
return ""
def message():
if hasattr(session.current_mode, "get_message"):
return ANSI(vi_mode_prompt() + session.current_mode.get_message())
elif hasattr(session.current_mode, "message"):
message = session.current_mode.message
if callable(message):
return ANSI(vi_mode_prompt() + message())
else:
return ANSI(vi_mode_prompt() + message)
else:
return ""
session = ModalPromptSession(
message=message,
color_depth=ColorDepth.default(term=os.environ.get("TERM")),
style=style_from_pygments_cls(get_style_by_name(
settings.color_scheme)),
editing_mode="VI"
if settings.editing_mode in ["vim", "vi"] else "EMACS",
history=history,
enable_history_search=True,
history_search_no_duplicates=settings.history_search_no_duplicates,
search_ignore_case=settings.history_search_ignore_case,
enable_suspend=True,
tempfile_suffix=".R",
input=CustomInput(sys.stdin),
output=output,
inputhook=get_inputhook(),
mode_class=RadianMode)
apply_settings(session, settings)
def browse_activator(session):
message = session.prompt_text
if BROWSE_PATTERN.match(message):
session.browse_level = BROWSE_PATTERN.match(message).group(1)
return True
else:
return False
def browse_on_pre_accept(session):
if session.default_buffer.text.strip() in [
"n", "s", "f", "c", "cont", "Q", "where", "help"
]:
session.add_history = False
def shell_process_text(session):
text = session.default_buffer.text
shell.run_command(text)
input_processors = []
if settings.highlight_matching_bracket:
input_processors.append(HighlightMatchingBracketProcessor())
session.register_mode(
"r",
activator=lambda session: session.prompt_text == settings.prompt,
insert_new_line=True,
history_share_with="browse",
get_message=lambda: settings.prompt,
multiline=settings.indent_lines,
complete_while_typing=settings.complete_while_typing,
lexer=PygmentsLexer(SLexer),
completer=RCompleter(timeout=settings.completion_timeout),
key_bindings=create_key_bindings(),
input_processors=input_processors,
prompt_key_bindings=create_r_key_bindings(prase_text_complete))
session.register_mode("shell",
on_post_accept=shell_process_text,
insert_new_line=True,
get_message=lambda: settings.shell_prompt,
multiline=settings.indent_lines,
complete_while_typing=settings.complete_while_typing,
lexer=None,
completer=SmartPathCompleter(),
prompt_key_bindings=create_shell_key_bindings())
session.register_mode(
"browse",
activator=browse_activator,
# on_pre_accept=browse_on_pre_accept, # disable
insert_new_line=True,
history_share_with="r",
get_message=lambda: settings.browse_prompt.format(session.browse_level
),
multiline=settings.indent_lines,
complete_while_typing=True,
lexer=PygmentsLexer(SLexer),
completer=RCompleter(timeout=settings.completion_timeout),
input_processors=input_processors,
prompt_key_bindings=create_r_key_bindings(prase_text_complete),
switchable_from=False,
switchable_to=False)
session.register_mode("unknown",
insert_new_line=False,
get_message=lambda: session.prompt_text,
complete_while_typing=False,
lexer=None,
completer=None,
prompt_key_bindings=None,
switchable_from=False,
switchable_to=False,
input_processors=[])
return session
def run_cli(self):
iterations = 0
sqlexecute = self.sqlexecute
logger = self.logger
self.configure_pager()
if self.smart_completion:
self.refresh_completions()
author_file = os.path.join(PACKAGE_ROOT, 'AUTHORS')
sponsor_file = os.path.join(PACKAGE_ROOT, 'SPONSORS')
history_file = os.path.expanduser(
os.environ.get('MYCLI_HISTFILE', '~/.mycli-history'))
if dir_path_exists(history_file):
history = FileHistory(history_file)
else:
history = None
self.echo(
'Error: Unable to open the history file "{}". '
'Your query history will not be saved.'.format(history_file),
err=True, fg='red')
key_bindings = mycli_bindings(self)
if not self.less_chatty:
print(' '.join(sqlexecute.server_type()))
print('mycli', __version__)
print('Chat: https://gitter.im/dbcli/mycli')
print('Mail: https://groups.google.com/forum/#!forum/mycli-users')
print('Home: http://mycli.net')
print('Thanks to the contributor -', thanks_picker([author_file, sponsor_file]))
def get_message():
prompt = self.get_prompt(self.prompt_format)
if self.prompt_format == self.default_prompt and len(prompt) > self.max_len_prompt:
prompt = self.get_prompt('\\d> ')
return [('class:prompt', prompt)]
def get_continuation(width, line_number, is_soft_wrap):
continuation = ' ' * (width - 1) + ' '
return [('class:continuation', continuation)]
def show_suggestion_tip():
return iterations < 2
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.echo(str(e), err=True, fg='red')
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)
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
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:
# 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.echo(str(e), err=True, fg='red')
except Exception as e:
logger.error("sql: %r, error: %r", text, e)
logger.error("traceback: %r", traceback.format_exc())
self.echo(str(e), err=True, fg='red')
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)
get_toolbar_tokens = create_toolbar_tokens_func(
self, show_suggestion_tip)
if self.wider_completion_menu:
complete_style = CompleteStyle.MULTI_COLUMN
else:
complete_style = CompleteStyle.COLUMN
with self._completer_lock:
if self.key_bindings == 'vi':
editing_mode = EditingMode.VI
else:
editing_mode = EditingMode.EMACS
self.prompt_app = PromptSession(
lexer=PygmentsLexer(MyCliLexer),
reserve_space_for_menu=self.get_reserved_space(),
message=get_message,
prompt_continuation=get_continuation,
bottom_toolbar=get_toolbar_tokens,
complete_style=complete_style,
input_processors=[ConditionalProcessor(
processor=HighlightMatchingBracketProcessor(
chars='[](){}'),
filter=HasFocus(DEFAULT_BUFFER) & ~IsDone()
)],
tempfile_suffix='.sql',
completer=DynamicCompleter(lambda: self.completer),
history=history,
auto_suggest=AutoSuggestFromHistory(),
complete_while_typing=True,
multiline=cli_is_multiline(self),
style=style_factory(self.syntax_style, self.cli_style),
include_default_pygments_style=False,
key_bindings=key_bindings,
enable_open_in_editor=True,
enable_system_prompt=True,
enable_suspend=True,
editing_mode=editing_mode,
search_ignore_case=True
)
try:
while True:
one_iteration()
iterations += 1
except EOFError:
special.close_tee()
if not self.less_chatty:
self.echo('Goodbye!')
def _build_cli(self, history):
"""
Builds prompt session.
NOTE: PROMPT-SESSION USES THIS AS DEPENDENCY.
"""
def get_message():
prompt = self.get_prompt(self.prompt_format)
return [(u'class:prompt', prompt)]
def get_continuation(width, line_number, is_soft_wrap):
"""
NOTE: updating parameters will cause prompt session to crash.
"""
# pylint: disable=unused-argument
continuation = self.multiline_continuation_char * (width - 1) + ' '
return [(u'class:continuation', continuation)]
get_toolbar_tokens = create_toolbar_tokens_func(self)
if self.wider_completion_menu:
complete_style = CompleteStyle.MULTI_COLUMN
else:
complete_style = CompleteStyle.COLUMN
with self._completer_lock:
self.prompt_session = PromptSession(
message=get_message,
style=style_factory(self.syntax_style, self.cli_style),
# Layout options.
lexer=PygmentsLexer(PostgresLexer),
prompt_continuation=get_continuation,
bottom_toolbar=get_toolbar_tokens,
complete_style=complete_style,
input_processors=[
ConditionalProcessor(
processor=HighlightMatchingBracketProcessor(
chars='[](){}'),
#pylint: disable=invalid-unary-operand-type
filter=HasFocus(DEFAULT_BUFFER) & ~IsDone()),
# Render \t as 4 spaces instead of "^I"
TabsProcessor(char1=u' ', char2=u' ')],
reserve_space_for_menu=self.min_num_menu_lines,
# Buffer options.
multiline=mssql_is_multiline(self),
completer=ThreadedCompleter(
DynamicCompleter(lambda: self.completer)),
history=history, auto_suggest=AutoSuggestFromHistory(),
complete_while_typing=True,
# Key bindings.
enable_system_prompt=True,
enable_open_in_editor=True,
# Other options.
key_bindings=mssqlcli_bindings(self),
editing_mode=EditingMode.VI if self.vi_mode else EditingMode.EMACS,
search_ignore_case=True)
return self.prompt_session
