def get_definition(self, info):
"""Find a definition location using Rope"""
if self.project is None:
return
filename = info['filename']
source_code = info['source_code']
offset = info['position']
# TODO: test if this is working without any further change in
# Python 3 with a user account containing unicode characters
try:
resource = rope.base.libutils.path_to_resource(
self.project, filename)
except Exception as _error:
if DEBUG_EDITOR:
log_last_error(LOG_FILENAME, "path_to_resource: %r" % filename)
resource = None
try:
if DEBUG_EDITOR:
t0 = time.time()
resource, lineno = rope.contrib.codeassist.get_definition_location(
self.project, source_code, offset, resource, maxfixes=3)
if DEBUG_EDITOR:
log_dt(LOG_FILENAME, "get_definition_location", t0)
if resource is not None:
filename = resource.real_path
if filename and lineno:
return filename, lineno
except Exception as _error: #analysis:ignore
if DEBUG_EDITOR:
log_last_error(LOG_FILENAME, "get_definition_location")
def get_jedi_object(self, func_name, info, use_filename=True):
"""Call a desired function on a Jedi Script and return the result"""
if not jedi:
return
if DEBUG_EDITOR:
t0 = time.time()
# override IPython qt_loaders ImportDenier behavior
metas = sys.meta_path
for meta in metas:
if (meta.__class__.__name__ == 'ImportDenier'
and hasattr(meta, 'forbid')):
sys.meta_path.remove(meta)
if use_filename:
filename = info['filename']
else:
filename = None
try:
script = jedi.Script(info['source_code'], info['line_num'],
info['column'], filename)
func = getattr(script, func_name)
val = func()
except Exception as e:
val = None
debug_print('Jedi error (%s)' % func_name)
debug_print(str(e))
if DEBUG_EDITOR:
log_last_error(LOG_FILENAME, str(e))
if DEBUG_EDITOR:
log_dt(LOG_FILENAME, func_name, t0)
if not val and filename:
return self.get_jedi_object(func_name, info, False)
else:
return val
def get_completions(self, info):
"""Return a list of (completion, type) tuples"""
completions = self.get_jedi_object('completions', info)
if DEBUG_EDITOR:
log_last_error(LOG_FILENAME, str("comp: " + str(completions)[:100]))
completions = [(c.name, c.type) for c in completions]
debug_print(str(completions)[:100])
return completions
def run(self):
"""Start notification thread"""
while True:
if self.notify_socket is None:
continue
output = None
try:
try:
cdict = read_packet(self.notify_socket)
except:
# This except statement is intended to handle a struct.error
# (but when writing 'except struct.error', it doesn't work)
# Note: struct.error is raised when the communication has
# been interrupted and the received data is not a string
# of length 8 as required by struct.unpack (see read_packet)
break
if cdict is None:
# Another notification thread has just terminated and
# then wrote 'None' in the notification socket
# (see the 'finally' statement below)
continue
if not isinstance(cdict, dict):
raise TypeError("Invalid data type: %r" % cdict)
command = cdict['command']
data = cdict.get('data')
if command == 'pdb_step':
fname, lineno = data
self.sig_pdb.emit(fname, lineno)
self.refresh_namespace_browser.emit()
elif command == 'refresh':
self.refresh_namespace_browser.emit()
elif command == 'remote_view':
self.sig_process_remote_view.emit(data)
elif command == 'open_file':
fname, lineno = data
self.open_file.emit(fname, lineno)
else:
raise RuntimeError('Unsupported command: %r' % command)
if DEBUG_INTROSPECTION:
logging.debug("received command: %r" % command)
except:
log_last_error(LOG_FILENAME, "notification thread")
finally:
try:
write_packet(self.notify_socket, output)
except:
# The only reason why it should fail is that TRex is
# closing while this thread is still alive
break
def get_completions(self, info):
"""Get a list of (completion, type) tuples using Rope"""
if self.project is None:
return []
filename = info['filename']
source_code = info['source_code']
offset = info['position']
# Prevent Rope from returning import completions because
# it can't handle them. Only Jedi can do it!
lines = sourcecode.split_source(source_code[:offset])
last_line = lines[-1].lstrip()
if (last_line.startswith('import ') or last_line.startswith('from ')) \
and not ';' in last_line:
return []
# TODO: test if this is working without any further change in
# Python 3 with a user account containing unicode characters
try:
resource = rope.base.libutils.path_to_resource(
self.project, filename)
except Exception as _error:
if DEBUG_EDITOR:
log_last_error(LOG_FILENAME, "path_to_resource: %r" % filename)
resource = None
try:
if DEBUG_EDITOR:
t0 = time.time()
proposals = rope.contrib.codeassist.code_assist(self.project,
source_code,
offset,
resource,
maxfixes=3)
proposals = rope.contrib.codeassist.sorted_proposals(proposals)
if DEBUG_EDITOR:
log_dt(LOG_FILENAME, "code_assist/sorted_proposals", t0)
return [(proposal.name, proposal.type) for proposal in proposals]
except Exception as _error: #analysis:ignore
if DEBUG_EDITOR:
log_last_error(LOG_FILENAME, "get_completion_list")
return []
def create_rope_project(self, root_path):
"""Create a Rope project on a desired path"""
# TODO: test if this is working without any further change in
# Python 3 with a user account containing unicode characters
try:
import rope.base.project
self.project = rope.base.project.Project(root_path, **ROPE_PREFS)
except ImportError:
print >> STDERR, 'project error'
self.project = None
if DEBUG_EDITOR:
log_last_error(LOG_FILENAME,
"create_rope_project: %r" % root_path)
except TypeError:
self.project = None
if DEBUG_EDITOR:
log_last_error(LOG_FILENAME,
"create_rope_project: %r" % root_path)
self.validate()
def get_definition_info(defn):
"""Extract definition information from the Jedi definition object"""
try:
module_path = defn.module_path
name = defn.name
if hasattr(defn, 'line_nr'):
line_nr = defn.line_nr
else:
line_nr = defn.line
description = defn.description
in_builtin = defn.in_builtin_module()
except Exception as e:
if DEBUG_EDITOR:
log_last_error(LOG_FILENAME, 'Get Defintion: %s' % e)
return None
pattern = 'class\s+{0}|def\s+{0}|self.{0}\s*=|{0}\s*='.format(name)
if not re.match(pattern, description):
goto_next = True
else:
goto_next = False
return dict(module_path=module_path, line_nr=line_nr,
description=description, name=name, in_builtin=in_builtin,
goto_next=goto_next)
def get_info(self, info):
"""Get a formatted calltip and docstring from Rope"""
if self.project is None:
return
filename = info['filename']
source_code = info['source_code']
offset = info['position']
# TODO: test if this is working without any further change in
# Python 3 with a user account containing unicode characters
try:
resource = rope.base.libutils.path_to_resource(
self.project, filename)
except Exception as _error:
if DEBUG_EDITOR:
log_last_error(LOG_FILENAME, "path_to_resource: %r" % filename)
resource = None
try:
if DEBUG_EDITOR:
t0 = time.time()
cts = rope.contrib.codeassist.get_calltip(self.project,
source_code,
offset,
resource,
ignore_unknown=False,
remove_self=True,
maxfixes=3)
if DEBUG_EDITOR:
log_dt(LOG_FILENAME, "get_calltip", t0)
if cts is not None:
while '..' in cts:
cts = cts.replace('..', '.')
if '(.)' in cts:
cts = cts.replace('(.)', '(...)')
try:
doc_text = rope.contrib.codeassist.get_doc(self.project,
source_code,
offset,
resource,
maxfixes=3)
if DEBUG_EDITOR:
log_dt(LOG_FILENAME, "get_doc", t0)
except Exception as _error:
doc_text = ''
if DEBUG_EDITOR:
log_last_error(LOG_FILENAME, "get_doc")
return self.handle_info(cts, doc_text, source_code, offset)
except Exception as _error: #analysis:ignore
if DEBUG_EDITOR:
log_last_error(LOG_FILENAME, "get_calltip_text")
def run(self):
while True:
output = pickle.dumps(None, PICKLE_HIGHEST_PROTOCOL)
glbs = self.mglobals()
try:
if DEBUG_MONITOR:
logging.debug("****** Introspection request /Begin ******")
command = PACKET_NOT_RECEIVED
try:
timeout = self.timeout if self.auto_refresh else None
command = read_packet(self.i_request, timeout=timeout)
if command is None:
continue
timed_out = False
except socket.timeout:
timed_out = True
except struct.error:
# This should mean that TRex GUI has crashed
if DEBUG_MONITOR:
logging.debug("struct.error -> quitting monitor")
break
if timed_out:
if DEBUG_MONITOR:
logging.debug(
"connection timed out -> updating remote view")
self.update_remote_view()
if DEBUG_MONITOR:
logging.debug(
"****** Introspection request /End ******")
continue
if DEBUG_MONITOR:
logging.debug("command: %r" % command)
lcls = self.mlocals()
result = eval(command, glbs, lcls)
if DEBUG_MONITOR:
logging.debug(" result: %r" % result)
if self.pdb_obj is None:
lcls["_"] = result
# old com implementation: (see solution (1) in Issue 434)
output = pickle.dumps(result, PICKLE_HIGHEST_PROTOCOL)
# # new com implementation: (see solution (2) in Issue 434)
# output = pickle.dumps((command, result),
# PICKLE_HIGHEST_PROTOCOL)
except SystemExit:
break
except:
if DEBUG_MONITOR:
logging.debug("error!")
log_last_error(LOG_FILENAME, command)
finally:
try:
if DEBUG_MONITOR:
logging.debug("updating remote view")
if self.refresh_after_eval:
self.update_remote_view()
self.refresh_after_eval = False
if DEBUG_MONITOR:
logging.debug("sending result")
logging.debug(
"****** Introspection request /End ******")
if command is not PACKET_NOT_RECEIVED:
if write_packet is None:
# This may happen during interpreter shutdown
break
else:
write_packet(self.i_request,
output,
already_pickled=True)
except AttributeError as error:
if "'NoneType' object has no attribute" in str(error):
# This may happen during interpreter shutdown
break
else:
raise
except TypeError as error:
if "'NoneType' object is not subscriptable" in str(error):
# This may happen during interpreter shutdown
break
else:
raise
self.i_request.close()
self.n_request.close()