def __str__(self):
from conans.util.files import exception_message_safe
msg = super(ConanException, self).__str__()
if self.remote:
return "{}.{}".format(exception_message_safe(msg), self.remote_message())
return exception_message_safe(msg)
def _download_file(self, url, auth, headers, file_path):
t1 = time.time()
try:
response = self.requester.get(url,
stream=True,
verify=self.verify,
auth=auth,
headers=headers)
except Exception as exc:
raise ConanException("Error downloading file %s: '%s'" %
(url, exception_message_safe(exc)))
if not response.ok:
if response.status_code == 404:
raise NotFoundException("Not found: %s" % url)
elif response.status_code == 401:
raise AuthenticationException()
raise ConanException("Error %d downloading file %s" %
(response.status_code, url))
try:
data = self._download_data(response, file_path)
duration = time.time() - t1
log_download(url, duration)
return data
except Exception as e:
logger.debug(e.__class__)
logger.debug(traceback.format_exc())
# If this part failed, it means problems with the connection to server
raise ConanConnectionError(
"Download failed, check server, possibly try again\n%s" %
str(e))
def _download_file(self, url, auth):
try:
response = self.requester.get(url, stream=True, verify=self.verify, auth=auth)
except Exception as exc:
raise ConanException("Error downloading file %s: '%s'" % (url, exception_message_safe(exc)))
return response
def _upload_file(self, url, data, headers, auth):
try:
response = self.requester.put(url, data=data, verify=self.verify,
headers=headers, auth=auth)
except Exception as exc:
raise ConanException(exception_message_safe(exc))
return response
def call_with_retry(out, retry, retry_wait, method, *args, **kwargs):
for counter in range(retry):
try:
return method(*args, **kwargs)
except ConanException as exc:
if counter == (retry - 1):
raise
else:
msg = exception_message_safe(exc)
out.error(msg)
out.info("Waiting %d seconds to retry..." % retry_wait)
time.sleep(retry_wait)
def _call_remote(self, remote, method, *argc, **argv):
self._auth_manager.remote = remote
try:
return getattr(self._auth_manager, method)(*argc, **argv)
except ConnectionError as exc:
raise ConanConnectionError("%s\n\nUnable to connect to %s=%s"
% (str(exc), remote.name, remote.url))
except ConanException as exc:
raise exc.__class__("%s. [Remote: %s]" % (exception_message_safe(exc), remote.name))
except Exception as exc:
logger.error(traceback.format_exc())
raise ConanException(exc)
def _call_remote(self, remote, method, *argc, **argv):
self._auth_manager.remote = remote
try:
return getattr(self._auth_manager, method)(*argc, **argv)
except ConnectionError as exc:
raise ConanConnectionError("%s\n\nUnable to connect to %s=%s"
% (str(exc), remote.name, remote.url))
except ConanException as exc:
raise exc.__class__("%s. [Remote: %s]" % (exception_message_safe(exc), remote.name))
except Exception as exc:
logger.error(traceback.format_exc())
raise ConanException(exc)
def wrapper(*args, **kwargs):
the_self = args[0]
try:
log_command(f.__name__, kwargs)
with tools.environment_append(the_self._client_cache.conan_config.env_vars):
# Patch the globals in tools
return f(*args, **kwargs)
except Exception as exc:
msg = exception_message_safe(exc)
try:
log_exception(exc, msg)
except:
pass
raise
def wrapper(*args, **kwargs):
the_self = args[0]
try:
log_command(f.__name__, kwargs)
with tools.environment_append(the_self._client_cache.conan_config.env_vars):
# Patch the globals in tools
return f(*args, **kwargs)
except Exception as exc:
msg = exception_message_safe(exc)
try:
log_exception(exc, msg)
except:
pass
raise
def run(self, *args):
"""HIDDEN: entry point for executing commands, dispatcher to class
methods
"""
errors = False
try:
try:
command = args[0][0]
commands = self._commands()
method = commands[command]
except KeyError as exc:
if command in ["-v", "--version"]:
self._user_io.out.success("Conan version %s" % CLIENT_VERSION)
return False
self._show_help()
if command in ["-h", "--help"]:
return False
raise ConanException("Unknown command %s" % str(exc))
except IndexError as exc: # No parameters
self._show_help()
return False
method(args[0][1:])
except (KeyboardInterrupt, SystemExit) as exc:
logger.error(exc)
errors = True
except ConanException as exc:
errors = True
msg = exception_message_safe(exc)
self._user_io.out.error(msg)
except Exception as exc:
import traceback
print(traceback.format_exc())
msg = exception_message_safe(exc)
self._user_io.out.error(msg)
return errors
def wrapper(api, *args, **kwargs):
try: # getcwd can fail if Conan runs on an unexisting folder
old_curdir = os.getcwd()
except EnvironmentError:
old_curdir = None
try:
# TODO: Removing ConanApp creation, should we make it different for 2.0?
# Also removing the logger call, maybe conan_command can handle it
cache = ClientCache(api.cache_folder, api.out)
with environment_append(cache.config.env_vars):
return f(api, *args, **kwargs)
except Exception as exc:
msg = exception_message_safe(exc)
try:
api.out.error("{} ({})".format(str(exc.__class__.__name__), msg))
except BaseException:
pass
raise
finally:
if old_curdir:
os.chdir(old_curdir)
def main(args):
""" main entry point of the conan application, using a Command to
parse parameters
Exit codes for conan command:
0: Success (done)
1: General ConanException error (done)
2: Migration error
3: Ctrl+C
4: Ctrl+Break
5: SIGTERM
6: Invalid configuration (done)
"""
try:
conan_api, _, _ = Conan.factory() # FIXME: Conan factory will be removed in Conan 2.0
except ConanMigrationError: # Error migrating
sys.exit(ERROR_MIGRATION)
except ConanException as e:
sys.stderr.write("Error in Conan initialization: {}".format(e))
sys.exit(ERROR_GENERAL)
def ctrl_c_handler(_, __):
print('You pressed Ctrl+C!')
sys.exit(USER_CTRL_C)
def sigterm_handler(_, __):
print('Received SIGTERM!')
sys.exit(ERROR_SIGTERM)
def ctrl_break_handler(_, __):
print('You pressed Ctrl+Break!')
sys.exit(USER_CTRL_BREAK)
signal.signal(signal.SIGINT, ctrl_c_handler)
signal.signal(signal.SIGTERM, sigterm_handler)
if sys.platform == 'win32':
signal.signal(signal.SIGBREAK, ctrl_break_handler)
try:
cli = Cli(conan_api)
exit_error = cli.run(args)
except SystemExit as exc:
if exc.code != 0:
logger.error(exc)
conan_api.out.error("Exiting with code: %d" % exc.code)
exit_error = exc.code
except ConanInvalidConfiguration as exc:
exit_error = ERROR_INVALID_CONFIGURATION
conan_api.out.error(exc)
except ConanException as exc:
exit_error = ERROR_GENERAL
conan_api.out.error(exc)
except Exception as exc:
import traceback
print(traceback.format_exc())
exit_error = ERROR_GENERAL
msg = exception_message_safe(exc)
conan_api.out.error(msg)
sys.exit(exit_error)