def test_set(self):
from logilab.common.compat import set
s1 = set(range(5))
s2 = set(range(2, 6))
self.assertEquals(len(s1), 5)
self.assertEquals(s1 & s2, set([2, 3, 4]))
self.assertEquals(s1 | s2, set(range(6)))
def add_checker(self, checker):
hasvdefault = False
vcids = set()
hasldefault = False
lcids = set()
for member in dir(checker):
if member.startswith('visit_'):
cid = member[6:]
if cid != 'default':
cbs = self.visit_events.setdefault(cid, [])
cbs.append(getattr(checker, member))
vcids.add(cid)
else:
hasvdefault = getattr(checker, member)
elif member.startswith('leave_'):
cid = member[6:]
if cid != 'default':
cbs = self.leave_events.setdefault(cid, [])
cbs.append(getattr(checker, member))
lcids.add(cid)
else:
hasldefault = getattr(checker, member)
if hasvdefault:
for cls in nodes.ALL_NODE_CLASSES:
cid = cls.__name__.lower()
if cid not in vcids:
cbs = self.visit_events.setdefault(cid, [])
cbs.append(hasvdefault)
if hasldefault:
for cls in nodes.ALL_NODE_CLASSES:
cid = cls.__name__.lower()
if cid not in lcids:
cbs = self.leave_events.setdefault(cid, [])
cbs.append(hasldefault)
def test_set(self):
from logilab.common.compat import set
s1 = set(range(5))
s2 = set(range(2, 6))
self.assertEquals(len(s1), 5)
self.assertEquals(s1 & s2, set([2, 3, 4]))
self.assertEquals(s1 | s2, set(range(6)))
def test_set(self):
if sys.version_info >= (3, 0):
self.skip("don't test 2.4 compat 'set' on >= 3.0")
from logilab.common.compat import set
s1 = set(range(5))
s2 = set(range(2, 6))
self.assertEqual(len(s1), 5)
self.assertEqual(s1 & s2, set([2, 3, 4]))
self.assertEqual(s1 | s2, set(range(6)))
def test_knownValues_get_modules_1(self): # XXXFIXME: TOWRITE
"""given a directory return a list of all available python modules, even
in subdirectories
"""
import data.find_test as data
mod_path = ("data", 'find_test')
modules = modutils.get_modules(path.join(*mod_path), data.__path__[0])
modules.sort()
self.assertSetEquals(set(modules),
set([ '.'.join(mod_path + (mod, )) for mod in 'module', 'module2',
'noendingnewline', 'nonregr']))
def optik_option(self, provider, opt_name, opt_dict):
"""get our personal option definition and return a suitable form for
use with optik/optparse
"""
opt_dict = copy(opt_dict)
if 'action' in opt_dict:
self._nocallback_options[provider] = opt_name
else:
opt_dict['action'] = 'callback'
opt_dict['callback'] = self.cb_set_provider_option
# default is handled here and *must not* be given to optik if you
# want the whole machinery to work
if 'default' in opt_dict:
if (opt.OPTPARSE_FORMAT_DEFAULT and 'help' in opt_dict and
opt_dict.get('default') is not None and
not opt_dict['action'] in ('store_true', 'store_false')):
opt_dict['help'] += ' [current: %default]'
del opt_dict['default']
args = ['--' + opt_name]
if 'short' in opt_dict:
self._short_options[opt_dict['short']] = opt_name
args.append('-' + opt_dict['short'])
del opt_dict['short']
available_keys = set(self._optik_parser.option_class.ATTRS)
# cleanup option definition dict before giving it to optik
for key in opt_dict.keys():
if not key in available_keys:
opt_dict.pop(key)
return args, opt_dict
def reset_parsers(self, usage='', version=None):
# configuration file parser
self.cfgfile_parser = ConfigParser()
# command line parser
self.cmdline_parser = optparse.OptionParser(usage=usage, version=version)
self.cmdline_parser.options_manager = self
self._optik_option_attrs = set(self.cmdline_parser.option_class.ATTRS)
def _repr_tree(node, result, indent='', _done=None, ids=False):
"""built a tree representation of a node as a list of lines"""
if _done is None:
_done = set()
if not hasattr(node, '_astng_fields'): # not a astng node
return
if node in _done:
result.append( indent + 'loop in tree: %s' % node )
return
_done.add(node)
node_str = str(node)
if ids:
node_str += ' . \t%x' % id(node)
result.append( indent + node_str )
indent += INDENT
for field in node._astng_fields:
value = getattr(node, field)
if isinstance(value, (list, tuple) ):
result.append( indent + field + " = [" )
for child in value:
if isinstance(child, (list, tuple) ):
# special case for Dict # FIXME
_repr_tree(child[0], result, indent, _done, ids)
_repr_tree(child[1], result, indent, _done, ids)
result.append(indent + ',')
else:
_repr_tree(child, result, indent, _done, ids)
result.append( indent + "]" )
else:
result.append( indent + field + " = " )
_repr_tree(value, result, indent, _done, ids)
def native_repr_tree(node, indent='', _done=None):
"""enhanced compiler.ast tree representation"""
if _done is None:
_done = set()
if node in _done:
print('loop in tree: %r (%s)' % (node, getattr(node, 'lineno', None)))
return
_done.add(node)
print indent + "<%s>" % node.__class__
indent += ' '
if not hasattr(node, "__dict__"): # XXX
return
for field, attr in node.__dict__.items():
if attr is None or field == "_proxied":
continue
if type(attr) is list:
if not attr: continue
print indent + field + ' ['
for elt in attr:
if type(elt) is tuple:
for val in elt:
native_repr_tree(val, indent, _done)
else:
native_repr_tree(elt, indent, _done)
print indent + ']'
continue
if isinstance(attr, Node):
print indent + field
native_repr_tree(attr, indent, _done)
else:
print indent + field, repr(attr)
def check_types(self, node, name, inferednodes, vtype):
"""check types assigned to a name (vtype is a string telling if it's a
local or attribute
node is the starting node (function or class node usually)
infered the infered value for the name
"""
types = set()
hasnone = False
for infered in inferednodes:
if infered is astng.YES:
continue
# skip None
if isinstance(infered, astng.Const) and infered.value is None:
hasnone = True
continue
types.add(infered.pytype())
if len(types) > 1:
self.add_message('E1210', node=node, args=(vtype, name))
elif hasnone and types:
ptype = types.pop()
# XXX long ? they should not been supported but this is not handled
# do that in visit_const ?
if ptype in ('__builtin__.int', '__builtin__.float'):
ptype = ptype.split('.')[1]
self.add_message('E1211', node=node, args=(ptype, vtype, name))
def _repr_tree(node, result, indent='', _done=None, ids=False):
"""built a tree representation of a node as a list of lines"""
if _done is None:
_done = set()
if not hasattr(node, '_astng_fields'): # not a astng node
return
if node in _done:
result.append( indent + 'loop in tree: %s' % node )
return
_done.add(node)
node_str = str(node)
if ids:
node_str += ' . \t%x' % id(node)
result.append( indent + node_str )
indent += INDENT
for field in node._astng_fields:
value = getattr(node, field)
if isinstance(value, (list, tuple) ):
result.append( indent + field + " = [" )
for child in value:
if isinstance(child, (list, tuple) ):
# special case for Dict # FIXME
_repr_tree(child[0], result, indent, _done, ids)
_repr_tree(child[1], result, indent, _done, ids)
result.append(indent + ',')
else:
_repr_tree(child, result, indent, _done, ids)
result.append( indent + "]" )
else:
result.append( indent + field + " = " )
_repr_tree(value, result, indent, _done, ids)
def native_repr_tree(node, indent='', _done=None):
"""enhanced compiler.ast tree representation"""
if _done is None:
_done = set()
if node in _done:
print ('loop in tree: %r (%s)' % (node, getattr(node, 'lineno', None)))
return
_done.add(node)
print indent + "<%s>" % node.__class__
indent += ' '
if not hasattr(node, "__dict__"): # XXX
return
for field, attr in node.__dict__.items():
if attr is None or field == "_proxied":
continue
if type(attr) is list:
if not attr: continue
print indent + field + ' ['
for elt in attr:
if type(elt) is tuple:
for val in elt:
native_repr_tree(val, indent, _done)
else:
native_repr_tree(elt, indent, _done)
print indent + ']'
continue
if isinstance(attr, Node):
print indent + field
native_repr_tree(attr, indent, _done)
else:
print indent + field, repr(attr)
def reset_parsers(self, usage='', version=None):
# configuration file parser
self.cfgfile_parser = ConfigParser()
# command line parser
self.cmdline_parser = optparse.OptionParser(usage=usage,
version=version)
self.cmdline_parser.options_manager = self
self._optik_option_attrs = set(self.cmdline_parser.option_class.ATTRS)
def _add_imported_module(self, node, importedmodname):
"""notify an imported module, used to analyze dependencies"""
context_name = node.root().name
if context_name == importedmodname:
# module importing itself !
self.add_message('W0406', node=node)
elif not is_standard_module(importedmodname):
# handle dependencies
importedmodnames = self.stats['dependencies'].setdefault(
importedmodname, set())
if not context_name in importedmodnames:
importedmodnames.add(context_name)
if is_standard_module(importedmodname, (self.package_dir(), )):
# update import graph
mgraph = self.import_graph.setdefault(context_name, set())
if not importedmodname in mgraph:
mgraph.add(importedmodname)
def tryOtherProviders(self, error, nodeConfig, filename, words, host, port,
docId, qid):
"""starts to explore the list of other providers"""
providers = self.querier.getProvidersFor(docId, qid)
self.providerSet = set(providers)
self.providerSet.remove((host, int(port)))
return self.retryWithOtherProvider('...', nodeConfig, words, docId,
filename)
def __init__(self, path=None):
if path is None:
self.path = set()
else:
self.path = path
self.lookupname = None
self.callcontext = None
self.boundnode = None
def __init__(self, path=None):
if path is None:
self.path = set()
else:
self.path = path
self.lookupname = None
self.callcontext = None
self.boundnode = None
def _add_imported_module(self, node, importedmodname):
"""notify an imported module, used to analyze dependencies"""
context_name = node.root().name
if context_name == importedmodname:
# module importing itself !
self.add_message('W0406', node=node)
elif not is_standard_module(importedmodname):
# handle dependencies
importedmodnames = self.stats['dependencies'].setdefault(
importedmodname, set())
if not context_name in importedmodnames:
importedmodnames.add(context_name)
if is_standard_module( importedmodname, (self.package_dir(),) ):
# update import graph
mgraph = self.import_graph.setdefault(context_name, set())
if not importedmodname in mgraph:
mgraph.add(importedmodname)
def visit_dict(self, node):
"""check duplicate key in dictionary"""
keys = set()
for k, v in node.items:
if isinstance(k, astng.Const):
key = k.value
if key in keys:
self.add_message('W0109', node=node, args=key)
keys.add(key)
def visit_dict(self, node):
"""check duplicate key in dictionary"""
keys = set()
for k, v in node.items:
if isinstance(k, astng.Const):
key = k.value
if key in keys:
self.add_message('W0109', node=node, args=key)
keys.add(key)
def runIndexer(self, isPrivate=True):
existingFiles = set()
state = docState(isPrivate)
for filename in self.getFileIterator(isPrivate):
existingFiles.add(filename)
try:
self.indexFile(filename, isPrivate)
except FileIndexationFailure, fif: # should be catch-all
print fif
continue
def runIndexer(self, isPrivate=True):
existingFiles = set()
state = docState(isPrivate)
for filename in self.getFileIterator(isPrivate):
existingFiles.add(filename)
try:
self.indexFile(filename, isPrivate)
except FileIndexationFailure, fif: # should be catch-all
print fif
continue
def test_basic_set(self):
from logilab.common.compat import set
s = set('abc')
self.assertEquals(len(s), 3)
s.remove('a')
self.assertEquals(len(s), 2)
s.add('a')
self.assertEquals(len(s), 3)
s.add('a')
self.assertEquals(len(s), 3)
self.assertRaises(KeyError, s.remove, 'd')
def decoratornames(self):
"""return a list of decorator qualified names"""
result = set()
decoratornodes = []
if self.decorators is not None:
decoratornodes += self.decorators.nodes
decoratornodes += getattr(self, 'extra_decorators', [])
for decnode in decoratornodes:
for infnode in decnode.infer():
result.add(infnode.qname())
return result
def test_basic_set(self):
from logilab.common.compat import set
s = set('abc')
self.assertEquals(len(s), 3)
s.remove('a')
self.assertEquals(len(s), 2)
s.add('a')
self.assertEquals(len(s), 3)
s.add('a')
self.assertEquals(len(s), 3)
self.assertRaises(KeyError, s.remove, 'd')
def decoratornames(self):
"""return a list of decorator qualified names"""
result = set()
decoratornodes = []
if self.decorators is not None:
decoratornodes += self.decorators.nodes
decoratornodes += getattr(self, 'extra_decorators', [])
for decnode in decoratornodes:
for infnode in decnode.infer():
result.add(infnode.qname())
return result
def runIndexer(self, isPrivate=True):
existingFiles = set()
state = docState(isPrivate)
for filename in self.getFileIterator(isPrivate):
existingFiles.add(filename)
try:
self.indexFile(filename, isPrivate)
# FIXME: a UnicodeError may be raised and is not catched.
# except FileIndexationFailure, fif: # should be catch-all
except Exception, fif:
print fif
continue
def __init__(self, usage, config_file=None, version=None, quiet=0):
self.config_file = config_file
self.reset_parsers(usage, version=version)
# list of registered options providers
self.options_providers = []
# dictionary associating option name to checker
self._all_options = {}
self._short_options = {}
self._nocallback_options = {}
self._mygroups = set()
# verbosity
self.quiet = quiet
def sort_checkers(self, checkers=None):
if checkers is None:
checkers = [checker for checkers in self._checkers.values() for checker in checkers]
graph = {}
cls_instance = {}
for checker in checkers:
graph[checker.__class__] = set(checker.needs_checkers)
cls_instance[checker.__class__] = checker
checkers = [cls_instance.get(cls) for cls in ordered_nodes(graph)]
checkers.remove(self)
checkers.insert(0, self)
return checkers
def visit_getattr(self, node):
"""check that the accessed attribute exists
to avoid to much false positives for now, we'll consider the code as
correct if a single of the infered nodes has the accessed attribute.
function/method, super call and metaclasses are ignored
"""
if node.attrname in self.config.generated_members:
# attribute is marked as generated, stop here
return
try:
infered = list(node.expr.infer())
except astng.InferenceError:
return
# list of (node, nodename) which are missing the attribute
missingattr = set()
ignoremim = self.config.ignore_mixin_members
inference_failure = False
for owner in infered:
# skip yes object
if owner is astng.YES:
inference_failure = True
continue
# skip None anyway
if isinstance(owner, astng.Const) and owner.value is None:
continue
# XXX "super" / metaclass call
if is_super(owner) or getattr(owner, 'type', None) == 'metaclass':
continue
name = getattr(owner, 'name', 'None')
if name in self.config.ignored_classes:
continue
if ignoremim and name[-5:].lower() == 'mixin':
continue
try:
owner.getattr(node.attrname)
except AttributeError:
# XXX method / function
continue
except astng.NotFoundError, ex:
if isinstance(owner, astng.Instance) \
and owner.has_dynamic_getattr():
continue
# explicit skipping of optparse'Values class
if owner.name == 'Values' and \
owner.root().name in ('optik', 'optparse'):
continue
missingattr.add((owner, name))
continue
# stop on the first found
break
def test_knownValues_get_modules_1(self): # XXXFIXME: TOWRITE
"""given a directory return a list of all available python modules, even
in subdirectories
"""
import data.find_test as data
mod_path = ("data", 'find_test')
modules = modutils.get_modules(path.join(*mod_path), data.__path__[0])
modules.sort()
self.assertSetEquals(
set(modules),
set([
'.'.join(mod_path + (mod, ))
for mod in 'module', 'module2', 'noendingnewline', 'nonregr'
]))
def _get_checkers(self):
# compute checkers needed according to activated messages and reports
neededcheckers = set()
for checkers in self._checkers.values():
for checker in checkers:
for msgid in checker.msgs:
if self._msgs_state.get(msgid, True):
neededcheckers.add(checker)
break
else:
for reportid, _, _ in checker.reports:
if self.is_report_enabled(reportid):
neededcheckers.add(checker)
break
return self.sort_checkers(neededcheckers)
def wrapped(node, context=None, _func=func, **kwargs):
"""wrapper function handling context"""
if context is None:
context = InferenceContext()
context.push(node)
yielded = set()
for res in _func(node, context, **kwargs):
# unproxy only true instance, not const, tuple, dict...
if res.__class__ is Instance:
ares = res._proxied
else:
ares = res
if not ares in yielded:
yield res
yielded.add(ares)
def sort_checkers(self, checkers=None):
if checkers is None:
checkers = [
checker for checkers in self._checkers.values()
for checker in checkers
]
graph = {}
cls_instance = {}
for checker in checkers:
graph[checker.__class__] = set(checker.needs_checkers)
cls_instance[checker.__class__] = checker
checkers = [cls_instance.get(cls) for cls in ordered_nodes(graph)]
checkers.remove(self)
checkers.insert(0, self)
return checkers
def wrapped(node, context=None, _func=func, **kwargs):
"""wrapper function handling context"""
if context is None:
context = InferenceContext()
context.push(node)
yielded = set()
for res in _func(node, context, **kwargs):
# unproxy only true instance, not const, tuple, dict...
if res.__class__ is Instance:
ares = res._proxied
else:
ares = res
if not ares in yielded:
yield res
yielded.add(ares)
def _get_checkers(self):
# compute checkers needed according to activated messages and reports
neededcheckers = set()
for checkers in self._checkers.values():
for checker in checkers:
for msgid in checker.msgs:
if self._msgs_state.get(msgid, True):
neededcheckers.add(checker)
break
else:
for reportid, _, _ in checker.reports:
if self.is_report_enabled(reportid):
neededcheckers.add(checker)
break
return self.sort_checkers(neededcheckers)
def _compute_sims(self):
"""compute similarities in appended files"""
no_duplicates = {}
for num, lineset1, idx1, lineset2, idx2 in self._iter_sims():
duplicate = no_duplicates.setdefault(num, [])
for couples in duplicate:
if (lineset1, idx1) in couples or (lineset2, idx2) in couples:
couples.add( (lineset1, idx1) )
couples.add( (lineset2, idx2) )
break
else:
duplicate.append( set([(lineset1, idx1), (lineset2, idx2)]) )
sims = []
for num, ensembles in no_duplicates.iteritems():
for couples in ensembles:
sims.append( (num, couples) )
sims.sort()
sims.reverse()
return sims
def _compute_sims(self):
"""compute similarities in appended files"""
no_duplicates = {}
for num, lineset1, idx1, lineset2, idx2 in self._iter_sims():
duplicate = no_duplicates.setdefault(num, [])
for couples in duplicate:
if (lineset1, idx1) in couples or (lineset2, idx2) in couples:
couples.add((lineset1, idx1))
couples.add((lineset2, idx2))
break
else:
duplicate.append(set([(lineset1, idx1), (lineset2, idx2)]))
sims = []
for num, ensembles in no_duplicates.iteritems():
for couples in ensembles:
sims.append((num, couples))
sims.sort()
sims.reverse()
return sims
def interfaces(self, herited=True, handler_func=_iface_hdlr):
"""return an iterator on interfaces implemented by the given
class node
"""
# FIXME: what if __implements__ = (MyIFace, MyParent.__implements__)...
try:
implements = Instance(self).getattr('__implements__')[0]
except NotFoundError:
return
if not herited and not implements.frame() is self:
return
found = set()
for iface in unpack_infer(implements):
if iface is YES:
continue
if not iface in found and handler_func(iface):
found.add(iface)
yield iface
if not found:
raise InferenceError()
def visit_list(self, node):
"""check list contains homogeneous types"""
if not self._rpython:
return
types = set()
for node in node.nodes:
try:
# XXX use ifilter + filter to factorize filtering below
for infered in node.infer():
if infered is astng.YES:
continue
# XXX skip None ?
if isinstance(infered, astng.Const) and \
infered.value is None:
continue
types.add(str(infered))
except astng.InferenceError:
continue
if len(types) > 1:
self.add_message('E1212', node=node)
def interfaces(self, herited=True, handler_func=_iface_hdlr):
"""return an iterator on interfaces implemented by the given
class node
"""
# FIXME: what if __implements__ = (MyIFace, MyParent.__implements__)...
try:
implements = Instance(self).getattr('__implements__')[0]
except NotFoundError:
return
if not herited and not implements.frame() is self:
return
found = set()
for iface in unpack_infer(implements):
if iface is YES:
continue
if not iface in found and handler_func(iface):
found.add(iface)
yield iface
if not found:
raise InferenceError()
def walk(self, node, _done=None):
"""walk on the tree from <node>, getting callbacks from handler"""
if _done is None:
_done = set()
if node in _done:
raise AssertionError((id(node), node, node.parent))
_done.add(node)
try:
self.visit(node)
except IgnoreChild:
pass
else:
try:
for child_node in node.get_children():
self.handler.set_context(node, child_node)
assert child_node is not node
self.walk(child_node, _done)
except AttributeError:
print node.__class__, id(node.__class__)
raise
self.leave(node)
assert node.parent is not node
def walk(self, node, _done=None):
"""walk on the tree from <node>, getting callbacks from handler"""
if _done is None:
_done = set()
if node in _done:
raise AssertionError((id(node), node, node.parent))
_done.add(node)
try:
self.visit(node)
except IgnoreChild:
pass
else:
try:
for child_node in node.get_children():
self.handler.set_context(node, child_node)
assert child_node is not node
self.walk(child_node, _done)
except AttributeError:
print node.__class__, id(node.__class__)
raise
self.leave(node)
assert node.parent is not node
def __init__(self, sender, port, query, ttl=5, qid=None, host=None):
"""
:param sender: really a nodeId
:type sender: str
:param port: the originator rpc port
:type port: int
:param query: the query to wrap
:type query: `maay.query.Query`
:param qid: query identifier
:type qid: str
:param host: IP adress of sender
:type host: str
"""
if qid:
self.qid = qid
else:
self.qid = hashIt(sender)
self.sender = sender
self.port = port
self.ttl = ttl
self.query = query
self.documents_ids = set()
self.host = host
def __init__(self, sender, port, query, ttl=5, qid=None, host=None):
"""
:param sender: really a nodeId
:type sender: str
:param port: the originator rpc port
:type port: int
:param query: the query to wrap
:type query: `maay.query.Query`
:param qid: query identifier
:type qid: str
:param host: IP adress of sender
:type host: str
"""
if qid:
self.qid = qid
else:
self.qid = hashIt(sender)
self.sender = sender
self.port = port
self.ttl = ttl
self.query = query
self.documents_ids = set()
self.host = host
def __init__(self, sender, query, ttl=5,
client_host=None, client_port=None):
"""
:param sender: really a nodeId
:type sender: str
:param port: the originator rpc port
:type port: int
:param query: the query to wrap
:type query: `maay.query.Query`
:param qid: query identifier
:type qid: str
"""
self.sender = sender
#self.port = originator_port
self.ttl = ttl
self.query = query
# explicitly set the 'limit' attribute for P2P queries
self.query.limit = LIMIT
self.documents_ids = set()
# *** client_{host, port} belong to the immediate client
# *** default args are typically used from webapplication instantiation
# *** but NOT at rpc level, where we MUST use the transmited values
self.client_host = client_host or NODE_HOST
self.client_port = client_port or NODE_CONFIG.rpcserver_port
def _getIndexedFiles(self):
return set(self.querier.getIndexedFiles())
def _purgeEverything(self):
indexedFiles = set(self.querier.getIndexedFiles())
self.purgeFiles(indexedFiles)
def _getIndexedFiles(self):
return set(self.serverProxy.getIndexedFiles(self.cnxId))
def _purgeEverything(self):
indexedFiles = set(self.serverProxy.getIndexedFiles(self.cnxId))
self.purgeFiles(indexedFiles)
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
"""checker for use of Python logging
"""
from logilab import astng
from pylint import checkers
from pylint import interfaces
from logilab.common.compat import set
EAGER_STRING_INTERPOLATION = 'W6501'
CHECKED_CONVENIENCE_FUNCTIONS = set([
'critical', 'debug', 'error', 'exception', 'fatal', 'info', 'warn',
'warning'])
class LoggingChecker(checkers.BaseChecker):
"""Checks use of the logging module."""
__implements__ = interfaces.IASTNGChecker
name = 'logging'
msgs = {EAGER_STRING_INTERPOLATION:
('Specify string format arguments as logging function parameters',
'Used when a logging statement has a call form of '
'"logging.<logging method>(format_string % (format_args...))". '
'Such calls should leave string interpolation to the logging '
def read_old_config(newconfig, changes, configfile):
"""initialize newconfig from a deprecated configuration file
possible changes:
* ('renamed', oldname, newname)
* ('moved', option, oldgroup, newgroup)
* ('typechanged', option, oldtype, newvalue)
"""
# build an index of changes
changesindex = {}
for action in changes:
if action[0] == 'moved':
option, oldgroup, newgroup = action[1:]
changesindex.setdefault(option, []).append(
(action[0], oldgroup, newgroup))
continue
if action[0] == 'renamed':
oldname, newname = action[1:]
changesindex.setdefault(newname, []).append((action[0], oldname))
continue
if action[0] == 'typechanged':
option, oldtype, newvalue = action[1:]
changesindex.setdefault(option, []).append(
(action[0], oldtype, newvalue))
continue
if action[1] in ('added', 'removed'):
continue # nothing to do here
raise Exception('unknown change %s' % action[0])
# build a config object able to read the old config
options = []
for optname, optdef in newconfig.options:
for action in changesindex.pop(optname, ()):
if action[0] == 'moved':
oldgroup, newgroup = action[1:]
optdef = optdef.copy()
optdef['group'] = oldgroup
elif action[0] == 'renamed':
optname = action[1]
elif action[0] == 'typechanged':
oldtype = action[1]
optdef = optdef.copy()
optdef['type'] = oldtype
options.append((optname, optdef))
if changesindex:
raise Exception('unapplied changes: %s' % changesindex)
oldconfig = Configuration(options=options, name=newconfig.name)
# read the old config
oldconfig.load_file_configuration(configfile)
# apply values reverting changes
changes.reverse()
done = set()
for action in changes:
if action[0] == 'renamed':
oldname, newname = action[1:]
newconfig[newname] = oldconfig[oldname]
done.add(newname)
elif action[0] == 'typechanged':
optname, oldtype, newvalue = action[1:]
newconfig[optname] = newvalue
done.add(optname)
for optname, optdef in newconfig.options:
if optdef.get('type') and not optname in done:
newconfig.set_option(optname, oldconfig[optname], optdict=optdef)
def __eq__(self, other):
return isinstance(other, NoOverlap) and \
set(self._variables) == set(other._variables)
def get_column(self, col_index, distinct=False):
"""get a column by index"""
col = [row[col_index] for row in self.data]
if distinct:
col = list(set(col))
return col
