def complete_token(timeout=0):
try:
reval(CompleteCode.format(
settimelimit="TRUE" if timeout > 0 else "FALSE",
timeout=str(timeout)),
envir=rcall("new.env"))
except Exception:
if timeout:
rcall(("base", "setTimeLimit"))
rcall(("base", "assign"),
"comps",
None,
env=reval("utils:::.CompletionEnv"))
def configure():
def _configure():
rcall(("base", "source"),
os.path.join(os.path.dirname(__file__), "config.R"), new_env())
if "reticulate" in rcopy(rcall(("base", "loadedNamespaces"))):
_configure()
else:
set_hook(package_event("reticulate", "onLoad"),
lambda x, y: _configure())
def get_completions(self, document, complete_event):
token = ""
text = document.current_line_before_cursor
completions = []
rcall(reval("utils:::.assignLinebuffer"), rstring(text))
rcall(reval("utils:::.assignEnd"), rint(len(text)))
token = rcopy(text_type, rcall(reval("utils:::.guessTokenFromLine")))
completion_requested = complete_event.completion_requested
completions = []
library_prefix = LIBRARY_PATTERN.match(text)
if (len(token) >= 3 and text[-1].isalnum()) or completion_requested:
orig_stderr = sys.stderr
sys.stderr = None
try:
reval("""
local(suppressWarnings({{tryCatch(
{{
if ({settimelimit}) base::setTimeLimit({timeout})
utils:::.completeToken()
if ({settimelimit}) base::setTimeLimit()
}},
error = function(e) {{
if ({settimelimit}) base::setTimeLimit()
assign("comps", NULL, env = utils:::.CompletionEnv)
}}
)}}))
""".format(
settimelimit="TRUE" if not completion_requested and self.timeout > 0 else "FALSE",
timeout=str(self.timeout)))
except Exception as e:
return
finally:
sys.stderr = orig_stderr
completions = rcopy(list, rcall(reval("utils:::.retrieveCompletions")))
if not completions:
completions = []
for c in completions:
if c.startswith(token):
yield Completion(c, -len(token))
if token and not library_prefix:
if (len(token) >= 3 and text[-1].isalnum()) or completion_requested:
packages = rcopy(list, reval("""
tryCatch(
base::rownames(utils::installed.packages()),
error = function(e) character(0)
)
"""))
for p in packages:
if p.startswith(token):
comp = p + "::"
if comp not in completions:
yield Completion(comp, -len(token))
def get_completions(self, document, complete_event):
token = ""
text = document.current_line_before_cursor
text_after = document.text_after_cursor
completions = []
rcall(reval("utils:::.assignLinebuffer"), rstring(text))
rcall(reval("utils:::.assignEnd"), rint(len(text)))
token = rcopy(text_type, rcall(reval("utils:::.guessTokenFromLine")))
completion_requested = complete_event.completion_requested
completions = []
if (len(token) >= 3 and text[-1].isalnum()) or completion_requested:
orig_stderr = sys.stderr
sys.stderr = None
try:
reval(
CompleteCode.format(
settimelimit="TRUE" if not completion_requested
and self.timeout > 0 else "FALSE",
timeout=str(self.timeout)))
except Exception:
return
finally:
sys.stderr = orig_stderr
completions = rcopy(list,
rcall(reval("utils:::.retrieveCompletions")))
if not completions:
completions = []
for c in completions:
if c.startswith(token):
if c.endswith("="):
c = c[:-1] + " = "
yield Completion(c, -len(token))
library_prefix = LIBRARY_PATTERN.match(text)
if token and not library_prefix:
if (len(token) >= 3
and text[-1].isalnum()) or completion_requested:
instring = text_after.startswith("'") or text_after.startswith(
'"')
packages = rcopy(
list,
reval("""
tryCatch(
base::rownames(utils::installed.packages()),
error = function(e) character(0)
)
"""))
for p in packages:
if p.startswith(token):
comp = p if instring else p + "::"
if comp not in completions:
yield Completion(comp, -len(token))
def assign_line_buffer(buf):
rcall(reval("utils:::.assignLinebuffer"), rstring(buf))
rcall(reval("utils:::.assignEnd"), rint(len(buf)))
token = rcopy(text_type, rcall(reval("utils:::.guessTokenFromLine")))
return token
def retrieve_completions():
completions = rcopy(list, rcall(reval("utils:::.retrieveCompletions")))
if not completions:
return []
else:
return completions
def _configure():
rcall(("base", "source"),
os.path.join(os.path.dirname(__file__), "config.R"),
rcall(("base", "new.env")))