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import os
import sys
from . import core
from .i18n import N_
class Interaction:
"""Prompts the user and answers questions"""
VERBOSE = bool(os.getenv('GIT_COLA_VERBOSE'))
@classmethod
def command(cls, title, cmd, status, out, err):
"""Log a command and display error messages on failure"""
cls.log_status(status, out, err)
if status != 0:
cls.command_error(title, cmd, status, out, err)
@classmethod
def command_error(cls, title, cmd, status, out, err):
"""Display an error message for a failed command"""
core.print_stderr(title)
core.print_stderr('-' * len(title))
core.print_stderr(cls.format_command_status(cmd, status))
core.print_stdout('')
if out:
core.print_stdout(out)
if err:
core.print_stderr(err)
@staticmethod
def format_command_status(cmd, status):
return N_('"%(command)s" returned exit status %(status)d') % {
'command': cmd,
'status': status,
}
@staticmethod
def format_out_err(out, err):
"""Format stdout and stderr into a single string"""
details = out or ''
if err:
if details and not details.endswith('\n'):
details += '\n'
details += err
return details
@staticmethod
def information(title, message=None, details=None, informative_text=None):
if message is None:
message = title
scope = {}
scope['title'] = title
scope['title_dashes'] = '-' * len(title)
scope['message'] = message
scope['details'] = ('\n' + details) if details else ''
scope['informative_text'] = (
('\n' + informative_text) if informative_text else ''
)
sys.stdout.write(
"""
%(title)s
%(title_dashes)s
%(message)s%(informative_text)s%(details)s\n"""
% scope
)
sys.stdout.flush()
@classmethod
def critical(cls, title, message=None, details=None):
"""Show a warning with the provided title and message."""
cls.information(title, message=message, details=details)
@classmethod
def confirm(
cls,
title,
text,
informative_text,
ok_text,
icon=None,
default=True,
cancel_text=None,
):
cancel_text = cancel_text or 'Cancel'
icon = icon or '?'
cls.information(title, message=text, informative_text=informative_text)
if default:
prompt = '%s? [Y/n] ' % ok_text
else:
prompt = '%s? [y/N] ' % ok_text
sys.stdout.write(prompt)
sys.stdout.flush()
answer = sys.stdin.readline().strip()
if answer:
result = answer.lower().startswith('y')
else:
result = default
return result
@classmethod
def question(cls, title, message, default=True):
return cls.confirm(title, message, '', ok_text=N_('Continue'), default=default)
@classmethod
def run_command(cls, title, cmd):
cls.log('# ' + title)
cls.log('$ ' + core.list2cmdline(cmd))
status, out, err = core.run_command(cmd)
cls.log_status(status, out, err)
return status, out, err
@classmethod
def confirm_config_action(cls, _context, name, _opts):
return cls.confirm(
N_('Run %s?') % name,
N_('Run the "%s" command?') % name,
'',
ok_text=N_('Run'),
)
@classmethod
def log_status(cls, status, out, err=None):
msg = ((out + '\n') if out else '') + ((err + '\n') if err else '')
cls.log(msg)
cls.log('exit status %s' % status)
@classmethod
def log(cls, message):
if cls.VERBOSE:
core.print_stdout(message)
@classmethod
def save_as(cls, filename, title):
if cls.confirm(title, 'Save as %s?' % filename, '', ok_text='Save'):
return filename
return None
@staticmethod
def async_command(title, command, runtask):
pass
@classmethod
def choose_ref(cls, _context, title, button_text, default=None, icon=None):
icon = icon or '?'
cls.information(title, button_text)
return sys.stdin.readline().strip() or default
|
