except gmPG2.dbapi.OperationalError, e:
_log.error(u"login attempt failed: %s", e)
msg = _(
"Unable to connect to database:\n\n"
"%s\n\n"
"Please retry another backend / user / password combination !\n"
) % gmPG2.extract_msg_from_pg_exception(e)
msg = regex.sub(r'password=[^\s]+',
u'password=%s' % gmTools.u_replacement_character,
msg)
gmGuiHelpersWeb.gm_show_error(msg, _('Connecting to backend'))
del e
continue
# connect was successful
gmPG2.set_default_login(login=login)
#gmPG2.set_default_client_encoding(encoding = dlg.panel.backend_profile.encoding)
# compatible = gmPG2.database_schema_compatible(version = expected_version)
# if compatible or not require_version:
#dlg.panel.save_state()
# continue
# if not compatible:
# connected_db_version = gmPG2.get_schema_version()
# msg = msg_generic % (
# client_version,
# connected_db_version,
# expected_version,
# gmTools.coalesce(login.host, '<localhost>'),
# login.database,
from Gnumed.pycommon import gmPG2
print "testing psycopg2 date/time parsing via GNUmed code"
class login:
pass
l = login()
l.database = 'gnumed_v9'
l.host = 'publicdb.gnumed.de'
l.port = '5432'
l.user = '******'
l.password = '******'
gmPG2.set_default_login(l)
gmPG2.set_default_client_timezone(timezone = 'Asia/Colombo')
gmPG2.set_default_client_timezone(timezone = 'Asia/Calcutta')
conn = gmPG2.get_connection()
cmd = """select * from dem.v_staff where db_user = CURRENT_USER"""
try:
rows, idx = gmPG2.run_ro_queries(queries = [{'cmd': cmd}], verbose = True)
for row in rows:
_log.info(row)
print rows
print "==> success"
except:
def connect_to_database(max_attempts=3,
expected_version=None,
require_version=True):
"""Display the login dialog and try to log into the backend.
- up to max_attempts times
- returns True/False
"""
# force programmer to set a valid expected_version
expected_hash = gmPG2.known_schema_hashes[expected_version]
client_version = _cfg.get(option='client_version')
global current_db_name
current_db_name = 'gnumed_v%s' % expected_version
attempt = 0
dlg = cLoginDialog(None, -1, client_version=client_version)
dlg.Centre(wx.BOTH)
while attempt < max_attempts:
_log.debug('login attempt %s of %s', (attempt + 1), max_attempts)
connected = False
dlg.ShowModal()
login = dlg.panel.GetLoginInfo()
if login is None:
_log.info("user cancelled login dialog")
break
gmLog2.add_word2hide(login.password)
# try getting a connection to verify the DSN works
dsn = gmPG2.make_psycopg2_dsn(database=login.database,
host=login.host,
port=login.port,
user=login.user,
password=login.password)
try:
conn = gmPG2.get_raw_connection(dsn=dsn,
verbose=True,
readonly=True)
connected = True
except gmPG2.cAuthenticationError as e:
attempt += 1
_log.error("login attempt failed: %s", e)
if attempt < max_attempts:
if ('host=127.0.0.1' in ('%s' % e)) or ('host='
not in ('%s' % e)):
msg = _(
'Unable to connect to database:\n\n'
'%s\n\n'
"Are you sure you have got a local database installed ?\n"
'\n'
"Please retry with proper credentials or cancel.\n"
'\n'
' (for the public and any new GNUmed data-\n'
' bases the default user name and password\n'
' are {any-doc, any-doc})\n'
'\n'
'You may also need to check the PostgreSQL client\n'
'authentication configuration in pg_hba.conf. For\n'
'details see:\n'
'\n'
'wiki.gnumed.de/bin/view/Gnumed/ConfigurePostgreSQL')
else:
msg = _(
"Unable to connect to database:\n\n"
"%s\n\n"
"Please retry with proper credentials or cancel.\n"
"\n"
"For the public and any new GNUmed databases the\n"
"default user name and password are {any-doc, any-doc}.\n"
"\n"
'You may also need to check the PostgreSQL client\n'
'authentication configuration in pg_hba.conf. For\n'
'details see:\n'
'\n'
'wiki.gnumed.de/bin/view/Gnumed/ConfigurePostgreSQL')
msg = msg % e
msg = regex.sub(
r'password=[^\s]+',
'password=%s' % gmTools.u_replacement_character, msg)
gmGuiHelpers.gm_show_error(msg, _('Connecting to backend'))
del e
continue
except gmPG2.dbapi.OperationalError as exc:
_log.exception('login attempt failed')
gmPG2.log_pg_exception_details(exc)
msg = _(
"Unable to connect to database:\n\n"
"%s\n\n"
"Please retry another backend / user / password combination !\n"
"\n"
" (for the public and any new GNUmed databases\n"
" the default user name and password are\n"
" {any-doc, any-doc})\n"
"\n") % exc
msg = regex.sub(r'password=[^\s]+',
'password=%s' % gmTools.u_replacement_character,
msg)
gmGuiHelpers.gm_show_error(msg, _('Connecting to backend'))
del exc
continue
conn.close()
# connect was successful
gmPG2.set_default_login(login=login)
gmPG2.set_default_client_encoding(
encoding=dlg.panel.backend_profile.encoding)
seems_bootstrapped = gmPG2.schema_exists(schema='gm')
if not seems_bootstrapped:
_log.error(
'schema [gm] does not exist - database not bootstrapped ?')
msg = _('The database you connected to does not seem\n'
'to have been boostrapped properly.\n'
'\n'
'Make sure you have run the GNUmed database\n'
'bootstrapper tool to create a new database.\n'
'\n'
'Further help can be found on the website at\n'
'\n'
' http://wiki.gnumed.de\n'
'\n'
'or on the GNUmed mailing list.')
gmGuiHelpers.gm_show_error(msg, _('Verifying database'))
connected = False
break
compatible = gmPG2.database_schema_compatible(version=expected_version)
if compatible or not require_version:
dlg.panel.save_state()
if not compatible:
connected_db_version = gmPG2.get_schema_version()
msg = msg_generic % (client_version, connected_db_version,
expected_version,
gmTools.coalesce(login.host, '<localhost>'),
login.database, login.user)
if require_version:
gmGuiHelpers.gm_show_error(msg + msg_fail,
_('Verifying database version'))
connected = False
continue
gmGuiHelpers.gm_show_info(msg + msg_override,
_('Verifying database version'))
# FIXME: make configurable
max_skew = 1 # minutes
if _cfg.get(option='debug'):
max_skew = 10
if not gmPG2.sanity_check_time_skew(tolerance=(max_skew * 60)):
if _cfg.get(option='debug'):
gmGuiHelpers.gm_show_warning(msg_time_skew_warn % max_skew,
_('Verifying database settings'))
else:
gmGuiHelpers.gm_show_error(msg_time_skew_fail % max_skew,
_('Verifying database settings'))
connected = False
continue
sanity_level, message = gmPG2.sanity_check_database_settings()
if sanity_level != 0:
gmGuiHelpers.gm_show_error((msg_insanity % message),
_('Verifying database settings'))
if sanity_level == 2:
connected = False
continue
gmExceptionHandlingWidgets.set_is_public_database(login.public_db)
gmExceptionHandlingWidgets.set_helpdesk(login.helpdesk)
conn = gmPG2.get_connection(
verbose=True,
connection_name='GNUmed-[DbListenerThread]',
pooled=False)
listener = gmBackendListener.gmBackendListener(conn=conn)
break
dlg.DestroyLater()
return connected
print "testing psycopg2 date/time parsing via GNUmed code"
class login:
pass
l = login()
l.database = 'gnumed_v9'
l.host = 'publicdb.gnumed.de'
l.port = '5432'
l.user = '******'
l.password = '******'
gmPG2.set_default_login(l)
gmPG2.set_default_client_timezone(timezone='Asia/Colombo')
gmPG2.set_default_client_timezone(timezone='Asia/Calcutta')
conn = gmPG2.get_connection()
cmd = """select * from dem.v_staff where db_user = CURRENT_USER"""
try:
rows, idx = gmPG2.run_ro_queries(queries=[{'cmd': cmd}], verbose=True)
for row in rows:
_log.info(row)
print rows
print "==> success"
except Exception:
"\n"
" (for the public and any new GNUmed databases\n"
" the default user name and password are\n"
" {any-doc, any-doc})\n"
"\n"
)
% exc.u_pgerror
)
# ) % gmPG2.extract_msg_from_pg_exception(e)
msg = regex.sub(r"password=[^\s]+", u"password=%s" % gmTools.u_replacement_character, msg)
gmGuiHelpers.gm_show_error(msg, _("Connecting to backend"))
del exc
continue
# connect was successful
gmPG2.set_default_login(login=login)
gmPG2.set_default_client_encoding(encoding=dlg.panel.backend_profile.encoding)
seems_bootstrapped = gmPG2.schema_exists(schema="gm")
if not seems_bootstrapped:
_log.error("schema [gm] does not exist - database not bootstrapped ?")
msg = _(
"The database you connected to does not seem\n"
"to have been boostrapped properly.\n"
"\n"
"Make sure you have run the GNUmed database\n"
"bootstrapper tool to create a new database.\n"
"\n"
"Further help can be found on the website at\n"
"\n"
" http://wiki.gnumed.de\n"
def connect_to_database(max_attempts=3, expected_version=None, require_version=True):
"""Display the login dialog and try to log into the backend.
- up to max_attempts times
- returns True/False
"""
# force programmer to set a valid expected_version
expected_hash = gmPG2.known_schema_hashes[expected_version]
client_version = _cfg.get(option = 'client_version')
global current_db_name
current_db_name = 'gnumed_v%s' % expected_version
attempt = 0
dlg = cLoginDialog(None, -1, client_version = client_version)
dlg.Centre(wx.BOTH)
while attempt < max_attempts:
_log.debug('login attempt %s of %s', (attempt+1), max_attempts)
connected = False
dlg.ShowModal()
login = dlg.panel.GetLoginInfo()
if login is None:
_log.info("user cancelled login dialog")
break
gmLog2.add_word2hide(login.password)
# try getting a connection to verify the DSN works
dsn = gmPG2.make_psycopg2_dsn (
database = login.database,
host = login.host,
port = login.port,
user = login.user,
password = login.password
)
try:
conn = gmPG2.get_raw_connection(dsn = dsn, verbose = True, readonly = True)
connected = True
except gmPG2.cAuthenticationError as e:
attempt += 1
_log.error("login attempt failed: %s", e)
if attempt < max_attempts:
if ('host=127.0.0.1' in ('%s' % e)) or ('host=' not in ('%s' % e)):
msg = _(
'Unable to connect to database:\n\n'
'%s\n\n'
"Are you sure you have got a local database installed ?\n"
'\n'
"Please retry with proper credentials or cancel.\n"
'\n'
' (for the public and any new GNUmed data-\n'
' bases the default user name and password\n'
' are {any-doc, any-doc})\n'
'\n'
'You may also need to check the PostgreSQL client\n'
'authentication configuration in pg_hba.conf. For\n'
'details see:\n'
'\n'
'wiki.gnumed.de/bin/view/Gnumed/ConfigurePostgreSQL'
)
else:
msg = _(
"Unable to connect to database:\n\n"
"%s\n\n"
"Please retry with proper credentials or cancel.\n"
"\n"
"For the public and any new GNUmed databases the\n"
"default user name and password are {any-doc, any-doc}.\n"
"\n"
'You may also need to check the PostgreSQL client\n'
'authentication configuration in pg_hba.conf. For\n'
'details see:\n'
'\n'
'wiki.gnumed.de/bin/view/Gnumed/ConfigurePostgreSQL'
)
msg = msg % e
msg = regex.sub(r'password=[^\s]+', 'password=%s' % gmTools.u_replacement_character, msg)
gmGuiHelpers.gm_show_error (
msg,
_('Connecting to backend')
)
del e
continue
except gmPG2.dbapi.OperationalError as exc:
_log.exception('login attempt failed')
gmPG2.log_pg_exception_details(exc)
msg = _(
"Unable to connect to database:\n\n"
"%s\n\n"
"Please retry another backend / user / password combination !\n"
"\n"
" (for the public and any new GNUmed databases\n"
" the default user name and password are\n"
" {any-doc, any-doc})\n"
"\n"
) % exc
msg = regex.sub(r'password=[^\s]+', 'password=%s' % gmTools.u_replacement_character, msg)
gmGuiHelpers.gm_show_error(msg, _('Connecting to backend'))
del exc
continue
conn.close()
# connect was successful
gmPG2.set_default_login(login = login)
gmPG2.set_default_client_encoding(encoding = dlg.panel.backend_profile.encoding)
seems_bootstrapped = gmPG2.schema_exists(schema = 'gm')
if not seems_bootstrapped:
_log.error('schema [gm] does not exist - database not bootstrapped ?')
msg = _(
'The database you connected to does not seem\n'
'to have been boostrapped properly.\n'
'\n'
'Make sure you have run the GNUmed database\n'
'bootstrapper tool to create a new database.\n'
'\n'
'Further help can be found on the website at\n'
'\n'
' http://wiki.gnumed.de\n'
'\n'
'or on the GNUmed mailing list.'
)
gmGuiHelpers.gm_show_error(msg, _('Verifying database'))
connected = False
break
compatible = gmPG2.database_schema_compatible(version = expected_version)
if compatible or not require_version:
dlg.panel.save_state()
if not compatible:
connected_db_version = gmPG2.get_schema_version()
msg = msg_generic % (
client_version,
connected_db_version,
expected_version,
gmTools.coalesce(login.host, '<localhost>'),
login.database,
login.user
)
if require_version:
gmGuiHelpers.gm_show_error(msg + msg_fail, _('Verifying database version'))
connected = False
continue
gmGuiHelpers.gm_show_info(msg + msg_override, _('Verifying database version'))
# FIXME: make configurable
max_skew = 1 # minutes
if _cfg.get(option = 'debug'):
max_skew = 10
if not gmPG2.sanity_check_time_skew(tolerance = (max_skew * 60)):
if _cfg.get(option = 'debug'):
gmGuiHelpers.gm_show_warning(msg_time_skew_warn % max_skew, _('Verifying database settings'))
else:
gmGuiHelpers.gm_show_error(msg_time_skew_fail % max_skew, _('Verifying database settings'))
connected = False
continue
sanity_level, message = gmPG2.sanity_check_database_settings()
if sanity_level != 0:
gmGuiHelpers.gm_show_error((msg_insanity % message), _('Verifying database settings'))
if sanity_level == 2:
connected = False
continue
gmExceptionHandlingWidgets.set_is_public_database(login.public_db)
gmExceptionHandlingWidgets.set_helpdesk(login.helpdesk)
conn = gmPG2.get_connection(verbose = True, connection_name = 'GNUmed-[DbListenerThread]', pooled = False)
listener = gmBackendListener.gmBackendListener(conn = conn)
break
dlg.DestroyLater()
return connected
