def show_diffs(appl_file, ref_file, askconfirm=True):
"""interactivly replace the old file with the new file according to
user decision
"""
import shutil
pipe = subprocess.Popen(['diff', '-u', appl_file, ref_file], stdout=subprocess.PIPE)
diffs = pipe.stdout.read().decode('utf-8')
if diffs:
if askconfirm:
print()
print(diffs)
action = ASK.ask('Replace ?', ('Y', 'n', 'q'), 'Y').lower()
else:
action = 'y'
if action == 'y':
try:
shutil.copyfile(ref_file, appl_file)
except IOError:
os.system('chmod a+w %s' % appl_file)
shutil.copyfile(ref_file, appl_file)
print('replaced')
elif action == 'q':
sys.exit(0)
else:
copy_file = appl_file + '.default'
copy = open(copy_file, 'w')
copy.write(open(ref_file).read())
copy.close()
print('keep current version, the new file has been written to', copy_file)
else:
print('no diff between %s and %s' % (appl_file, ref_file))
def _ask_for_dependencies(self):
from logilab.common.shellutils import ASK
from logilab.common.textutils import splitstrip
depcubes = []
for cube in ServerConfiguration.available_cubes():
answer = ASK.ask("Depends on cube %s? " % cube,
('N', 'y', 'skip', 'type'), 'N')
if answer == 'y':
depcubes.append(cube)
if answer == 'type':
depcubes = splitstrip(input('type dependencies: '))
break
elif answer == 'skip':
break
return dict(
('cubicweb-' + cube, ServerConfiguration.cube_version(cube))
for cube in depcubes)
def confirm(
self,
question, # pylint: disable=E0202
shell=True,
abort=True,
retry=False,
pdb=False,
default='y',
traceback=None):
"""ask for confirmation and return true on positive answer
if `retry` is true the r[etry] answer may return 2
"""
possibleanswers = ['y', 'n']
if abort:
possibleanswers.append('abort')
if pdb:
possibleanswers.append('pdb')
if shell:
possibleanswers.append('shell')
if retry:
possibleanswers.append('retry')
try:
answer = ASK.ask(question, possibleanswers, default)
except (EOFError, KeyboardInterrupt):
answer = 'abort'
if answer == 'n':
return False
if answer == 'retry':
return 2
if answer == 'abort':
raise SystemExit(1)
if answer == 'shell':
self.interactive_shell()
return self.confirm(question, shell, abort, retry, pdb, default,
traceback)
if answer == 'pdb':
pdb = utils.get_pdb()
if traceback:
pdb.post_mortem(traceback)
else:
pdb.set_trace()
return self.confirm(question, shell, abort, retry, pdb, default,
traceback)
return True
def execscript_confirm(scriptpath):
"""asks for confirmation before executing a script and provides the
ability to show the script's content
"""
while True:
answer = ASK.ask('Execute %r ?' % scriptpath,
('Y', 'n', 'show', 'abort'), 'Y')
if answer == 'abort':
raise SystemExit(1)
elif answer == 'n':
return False
elif answer == 'show':
stream = open(scriptpath)
scriptcontent = stream.read()
stream.close()
print()
print(scriptcontent)
print()
else:
return True