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Copy pathpython_jedi.py
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160 lines (133 loc) · 4.21 KB
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# -*- coding: utf-8 -*-
from __future__ import print_function
import argparse
import json
import contextlib
import logging
import os.path
import sys
log_file = os.path.join(os.path.dirname(__file__), 'completor_python.log')
logger = logging.getLogger('python-jedi')
handler = logging.FileHandler(log_file, delay=1)
handler.setLevel(logging.INFO)
handler.setFormatter(
logging.Formatter('%(asctime)s [%(levelname)s][%(module)s] %(message)s'))
logger.addHandler(handler)
def write(msg):
print(msg)
sys.stdout.flush()
class JediProcessor(object):
def __init__(self, jedi):
self.jedi = jedi
self.script = None
@contextlib.contextmanager
def jedi_context(self, args):
self.script = self.jedi.Script(code=args['content'],
path=args['filename'])
try:
yield
finally:
self.script = None
def ignore(self, args):
script = self.script
pos = args['line']+1, args['col']
try:
node = script._module_node.get_leaf_for_position(pos)
return not node or node.type in ('string', 'number')
except Exception as e:
logger.exception(e)
return False
def process(self, args):
action = args.get('action')
func = getattr(self, 'on_{}'.format(action), None)
if not func:
return []
with self.jedi_context(args):
if self.ignore(args):
return []
return list(func(args))
def _statement(self, c, args):
if c.type == 'statement':
assignments = c.goto()
if assignments:
return assignments[-1]
return c
def on_complete(self, args):
for c in self.script.complete(args['line']+1, args['col'], fuzzy=True):
statement_c = self._statement(c, args)
try:
yield {
'word': c.name,
'abbr': c.name_with_symbols,
'menu': statement_c.description,
'info': statement_c.docstring(),
}
except Exception as e:
logger.exception(e)
continue
def on_definition(self, args):
for d in self.script.goto(args['line']+1, args['col'],
follow_imports=True):
item = {'text': d.description}
if d.in_builtin_module():
item['text'] = 'Builtin {}'.format(item['text'])
else:
item.update({
'filename': str(d.module_path),
'lnum': d.line,
'col': d.column + 1,
'name': d.name,
})
yield item
def on_doc(self, args):
for d in self.script.goto(args['line']+1, args['col'],
follow_imports=True):
yield d.docstring(fast=False).strip()
def on_signature(self, args):
for s in self.script.get_signatures(args['line']+1, args['col']):
params = [p.description.replace('\n', '')[6:] for p in s.params]
yield {
'params': params,
'func': s.name,
'index': s.index or 0
}
def run(jedi):
"""
input data:
{
"line": <int>,
"col": <int>,
"filename": <string>,
"content": <string>,
}
"""
processor = JediProcessor(jedi)
while True:
data = sys.stdin.readline()
logger.info(data)
try:
args = json.loads(data)
except Exception as e:
logger.exception(e)
continue
try:
ret = processor.process(args)
except Exception as e:
logger.exception(e)
ret = []
write(json.dumps(ret))
def main():
try:
import jedi
except ImportError:
exit(1)
parser = argparse.ArgumentParser()
parser.add_argument('-v', '--verbose', action='store_true')
args = parser.parse_args()
class Filter(object):
def filter(self, record):
return args.verbose
logger.addFilter(Filter())
run(jedi)
if __name__ == '__main__':
main()