mirror of
https://github.com/kforney/pentest-distro-builder.git
synced 2024-11-29 11:41:59 -07:00
652 lines
25 KiB
Python
652 lines
25 KiB
Python
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import os
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import io
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import re
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import sys
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import json
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import traceback
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import platform
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jediPreview = False
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class RedirectStdout(object):
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def __init__(self, new_stdout=None):
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"""If stdout is None, redirect to /dev/null"""
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self._new_stdout = new_stdout or open(os.devnull, 'w')
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def __enter__(self):
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sys.stdout.flush()
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self.oldstdout_fno = os.dup(sys.stdout.fileno())
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os.dup2(self._new_stdout.fileno(), 1)
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def __exit__(self, exc_type, exc_value, traceback):
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self._new_stdout.flush()
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os.dup2(self.oldstdout_fno, 1)
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os.close(self.oldstdout_fno)
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class JediCompletion(object):
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basic_types = {
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'module': 'import',
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'instance': 'variable',
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'statement': 'value',
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'param': 'variable',
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}
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def __init__(self):
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self.default_sys_path = sys.path
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self.environment = jedi.api.environment.Environment(sys.prefix, sys.executable)
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self._input = io.open(sys.stdin.fileno(), encoding='utf-8')
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if (os.path.sep == '/') and (platform.uname()[2].find('Microsoft') > -1):
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# WSL; does not support UNC paths
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self.drive_mount = '/mnt/'
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elif sys.platform == 'cygwin':
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# cygwin
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self.drive_mount = '/cygdrive/'
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else:
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# Do no normalization, e.g. Windows build of Python.
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# Could add additional test: ((os.path.sep == '/') and os.path.isdir('/mnt/c'))
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# However, this may have more false positives trying to identify Windows/*nix hybrids
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self.drive_mount = ''
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def _get_definition_type(self, definition):
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# if definition.type not in ['import', 'keyword'] and is_built_in():
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# return 'builtin'
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try:
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if definition.type in ['statement'] and definition.name.isupper():
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return 'constant'
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return self.basic_types.get(definition.type, definition.type)
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except Exception:
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return 'builtin'
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def _additional_info(self, completion):
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"""Provide additional information about the completion object."""
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if not hasattr(completion, '_definition') or completion._definition is None:
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return ''
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if completion.type == 'statement':
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nodes_to_display = ['InstanceElement', 'String', 'Node', 'Lambda',
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'Number']
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return ''.join(c.get_code() for c in
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completion._definition.children if type(c).__name__
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in nodes_to_display).replace('\n', '')
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return ''
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@classmethod
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def _get_top_level_module(cls, path):
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"""Recursively walk through directories looking for top level module.
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Jedi will use current filepath to look for another modules at same
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path, but it will not be able to see modules **above**, so our goal
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is to find the higher python module available from filepath.
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"""
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_path, _ = os.path.split(path)
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if os.path.isfile(os.path.join(_path, '__init__.py')):
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return cls._get_top_level_module(_path)
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return path
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def _generate_signature(self, completion):
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"""Generate signature with function arguments.
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"""
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if completion.type in ['module'] or not hasattr(completion, 'params'):
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return ''
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return '%s(%s)' % (
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completion.name,
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', '.join(p.description[6:] for p in completion.params if p))
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def _get_call_signatures(self, script):
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"""Extract call signatures from jedi.api.Script object in failsafe way.
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Returns:
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Tuple with original signature object, name and value.
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"""
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_signatures = []
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try:
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call_signatures = script.call_signatures()
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except KeyError:
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call_signatures = []
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except :
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call_signatures = []
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for signature in call_signatures:
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for pos, param in enumerate(signature.params):
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if not param.name:
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continue
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name = self._get_param_name(param)
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if param.name == 'self' and pos == 0:
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continue
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if name.startswith('*'):
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continue
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value = self._get_param_value(param)
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_signatures.append((signature, name, value))
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return _signatures
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def _get_param_name(self, p):
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if(p.name.startswith('param ')):
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return p.name[6:] # drop leading 'param '
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return p.name
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def _get_param_value(self, p):
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pair = p.description.split('=')
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if(len(pair) > 1):
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return pair[1]
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return None
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def _get_call_signatures_with_args(self, script):
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"""Extract call signatures from jedi.api.Script object in failsafe way.
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Returns:
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Array with dictionary
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"""
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_signatures = []
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try:
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call_signatures = script.call_signatures()
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except KeyError:
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call_signatures = []
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for signature in call_signatures:
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sig = {"name": "", "description": "", "docstring": "",
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"paramindex": 0, "params": [], "bracketstart": []}
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sig["description"] = signature.description
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try:
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sig["docstring"] = signature.docstring()
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sig["raw_docstring"] = signature.docstring(raw=True)
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except Exception:
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sig["docstring"] = ''
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sig["raw_docstring"] = ''
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sig["name"] = signature.name
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sig["paramindex"] = signature.index
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sig["bracketstart"].append(signature.index)
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_signatures.append(sig)
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for pos, param in enumerate(signature.params):
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if not param.name:
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continue
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name = self._get_param_name(param)
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if param.name == 'self' and pos == 0:
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continue
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value = self._get_param_value(param)
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paramDocstring = ''
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try:
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paramDocstring = param.docstring()
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except Exception:
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paramDocstring = ''
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sig["params"].append({"name": name, "value": value, "docstring": paramDocstring, "description": param.description})
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return _signatures
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def _serialize_completions(self, script, identifier=None, prefix=''):
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"""Serialize response to be read from VSCode.
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Args:
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script: Instance of jedi.api.Script object.
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identifier: Unique completion identifier to pass back to VSCode.
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prefix: String with prefix to filter function arguments.
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Used only when fuzzy matcher turned off.
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Returns:
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Serialized string to send to VSCode.
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"""
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_completions = []
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for signature, name, value in self._get_call_signatures(script):
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if not self.fuzzy_matcher and not name.lower().startswith(
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prefix.lower()):
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continue
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_completion = {
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'type': 'property',
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'raw_type': '',
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'rightLabel': self._additional_info(signature)
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}
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_completion['description'] = ''
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_completion['raw_docstring'] = ''
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# we pass 'text' here only for fuzzy matcher
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if value:
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_completion['snippet'] = '%s=${1:%s}$0' % (name, value)
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_completion['text'] = '%s=' % (name)
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else:
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_completion['snippet'] = '%s=$1$0' % name
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_completion['text'] = name
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_completion['displayText'] = name
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_completions.append(_completion)
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try:
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completions = script.completions()
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except KeyError:
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completions = []
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except :
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completions = []
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for completion in completions:
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try:
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_completion = {
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'text': completion.name,
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'type': self._get_definition_type(completion),
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'raw_type': completion.type,
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'rightLabel': self._additional_info(completion)
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}
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except Exception:
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continue
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for c in _completions:
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if c['text'] == _completion['text']:
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c['type'] = _completion['type']
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c['raw_type'] = _completion['raw_type']
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if any([c['text'].split('=')[0] == _completion['text']
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for c in _completions]):
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# ignore function arguments we already have
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continue
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_completions.append(_completion)
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return json.dumps({'id': identifier, 'results': _completions})
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def _serialize_methods(self, script, identifier=None, prefix=''):
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_methods = []
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try:
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completions = script.completions()
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except KeyError:
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return []
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for completion in completions:
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if completion.name == '__autocomplete_python':
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instance = completion.parent().name
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break
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else:
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instance = 'self.__class__'
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for completion in completions:
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params = []
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if hasattr(completion, 'params'):
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params = [p.description for p in completion.params if p]
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if completion.parent().type == 'class':
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_methods.append({
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'parent': completion.parent().name,
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'instance': instance,
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'name': completion.name,
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'params': params,
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'moduleName': completion.module_name,
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'fileName': completion.module_path,
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'line': completion.line,
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'column': completion.column,
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})
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return json.dumps({'id': identifier, 'results': _methods})
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def _serialize_arguments(self, script, identifier=None):
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"""Serialize response to be read from VSCode.
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Args:
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script: Instance of jedi.api.Script object.
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identifier: Unique completion identifier to pass back to VSCode.
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Returns:
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Serialized string to send to VSCode.
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"""
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return json.dumps({"id": identifier, "results": self._get_call_signatures_with_args(script)})
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def _top_definition(self, definition):
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for d in definition.goto_assignments():
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if d == definition:
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continue
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if d.type == 'import':
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return self._top_definition(d)
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else:
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return d
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return definition
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def _extract_range_jedi_0_11_1(self, definition):
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from parso.utils import split_lines
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# get the scope range
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try:
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if definition.type in ['class', 'function']:
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tree_name = definition._name.tree_name
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scope = tree_name.get_definition()
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start_line = scope.start_pos[0] - 1
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start_column = scope.start_pos[1]
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# get the lines
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code = scope.get_code(include_prefix=False)
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lines = split_lines(code)
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# trim the lines
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lines = '\n'.join(lines).rstrip().split('\n')
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end_line = start_line + len(lines) - 1
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end_column = len(lines[-1]) - 1
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else:
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symbol = definition._name.tree_name
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start_line = symbol.start_pos[0] - 1
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start_column = symbol.start_pos[1]
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end_line = symbol.end_pos[0] - 1
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end_column = symbol.end_pos[1]
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return {
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'start_line': start_line,
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'start_column': start_column,
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'end_line': end_line,
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'end_column': end_column
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}
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except Exception as e:
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return {
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'start_line': definition.line - 1,
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'start_column': definition.column,
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'end_line': definition.line - 1,
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'end_column': definition.column
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}
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def _extract_range(self, definition):
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"""Provides the definition range of a given definition
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For regular symbols it returns the start and end location of the
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characters making up the symbol.
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For scoped containers it will return the entire definition of the
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scope.
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The scope that jedi provides ends with the first character of the next
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scope so it's not ideal. For vscode we need the scope to end with the
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last character of actual code. That's why we extract the lines that
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make up our scope and trim the trailing whitespace.
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"""
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return self._extract_range_jedi_0_11_1(definition)
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def _get_definitionsx(self, definitions, identifier=None, ignoreNoModulePath=False):
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"""Serialize response to be read from VSCode.
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Args:
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definitions: List of jedi.api.classes.Definition objects.
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identifier: Unique completion identifier to pass back to VSCode.
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Returns:
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Serialized string to send to VSCode.
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"""
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_definitions = []
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for definition in definitions:
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try:
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if definition.type == 'import':
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definition = self._top_definition(definition)
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definitionRange = {
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'start_line': 0,
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'start_column': 0,
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'end_line': 0,
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'end_column': 0
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}
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module_path = ''
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if hasattr(definition, 'module_path') and definition.module_path:
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module_path = definition.module_path
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definitionRange = self._extract_range(definition)
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else:
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if not ignoreNoModulePath:
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continue
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try:
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parent = definition.parent()
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container = parent.name if parent.type != 'module' else ''
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except Exception:
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container = ''
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try:
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docstring = definition.docstring()
|
||
|
|
rawdocstring = definition.docstring(raw=True)
|
||
|
|
except Exception:
|
||
|
|
docstring = ''
|
||
|
|
rawdocstring = ''
|
||
|
|
_definition = {
|
||
|
|
'text': definition.name,
|
||
|
|
'type': self._get_definition_type(definition),
|
||
|
|
'raw_type': definition.type,
|
||
|
|
'fileName': module_path,
|
||
|
|
'container': container,
|
||
|
|
'range': definitionRange,
|
||
|
|
'description': definition.description,
|
||
|
|
'docstring': docstring,
|
||
|
|
'raw_docstring': rawdocstring,
|
||
|
|
'signature': self._generate_signature(definition)
|
||
|
|
}
|
||
|
|
_definitions.append(_definition)
|
||
|
|
except Exception as e:
|
||
|
|
pass
|
||
|
|
return _definitions
|
||
|
|
|
||
|
|
def _serialize_definitions(self, definitions, identifier=None):
|
||
|
|
"""Serialize response to be read from VSCode.
|
||
|
|
|
||
|
|
Args:
|
||
|
|
definitions: List of jedi.api.classes.Definition objects.
|
||
|
|
identifier: Unique completion identifier to pass back to VSCode.
|
||
|
|
|
||
|
|
Returns:
|
||
|
|
Serialized string to send to VSCode.
|
||
|
|
"""
|
||
|
|
_definitions = []
|
||
|
|
for definition in definitions:
|
||
|
|
try:
|
||
|
|
if definition.module_path:
|
||
|
|
if definition.type == 'import':
|
||
|
|
definition = self._top_definition(definition)
|
||
|
|
if not definition.module_path:
|
||
|
|
continue
|
||
|
|
try:
|
||
|
|
parent = definition.parent()
|
||
|
|
container = parent.name if parent.type != 'module' else ''
|
||
|
|
except Exception:
|
||
|
|
container = ''
|
||
|
|
|
||
|
|
try:
|
||
|
|
docstring = definition.docstring()
|
||
|
|
rawdocstring = definition.docstring(raw=True)
|
||
|
|
except Exception:
|
||
|
|
docstring = ''
|
||
|
|
rawdocstring = ''
|
||
|
|
_definition = {
|
||
|
|
'text': definition.name,
|
||
|
|
'type': self._get_definition_type(definition),
|
||
|
|
'raw_type': definition.type,
|
||
|
|
'fileName': definition.module_path,
|
||
|
|
'container': container,
|
||
|
|
'range': self._extract_range(definition),
|
||
|
|
'description': definition.description,
|
||
|
|
'docstring': docstring,
|
||
|
|
'raw_docstring': rawdocstring
|
||
|
|
}
|
||
|
|
_definitions.append(_definition)
|
||
|
|
except Exception as e:
|
||
|
|
pass
|
||
|
|
return json.dumps({'id': identifier, 'results': _definitions})
|
||
|
|
|
||
|
|
def _serialize_tooltip(self, definitions, identifier=None):
|
||
|
|
_definitions = []
|
||
|
|
for definition in definitions:
|
||
|
|
signature = definition.name
|
||
|
|
description = None
|
||
|
|
if definition.type in ['class', 'function']:
|
||
|
|
signature = self._generate_signature(definition)
|
||
|
|
try:
|
||
|
|
description = definition.docstring(raw=True).strip()
|
||
|
|
except Exception:
|
||
|
|
description = ''
|
||
|
|
if not description and not hasattr(definition, 'get_line_code'):
|
||
|
|
# jedi returns an empty string for compiled objects
|
||
|
|
description = definition.docstring().strip()
|
||
|
|
if definition.type == 'module':
|
||
|
|
signature = definition.full_name
|
||
|
|
try:
|
||
|
|
description = definition.docstring(raw=True).strip()
|
||
|
|
except Exception:
|
||
|
|
description = ''
|
||
|
|
if not description and hasattr(definition, 'get_line_code'):
|
||
|
|
# jedi returns an empty string for compiled objects
|
||
|
|
description = definition.docstring().strip()
|
||
|
|
_definition = {
|
||
|
|
'type': self._get_definition_type(definition),
|
||
|
|
'text': definition.name,
|
||
|
|
'description': description,
|
||
|
|
'docstring': description,
|
||
|
|
'signature': signature
|
||
|
|
}
|
||
|
|
_definitions.append(_definition)
|
||
|
|
return json.dumps({'id': identifier, 'results': _definitions})
|
||
|
|
|
||
|
|
def _serialize_usages(self, usages, identifier=None):
|
||
|
|
_usages = []
|
||
|
|
for usage in usages:
|
||
|
|
_usages.append({
|
||
|
|
'name': usage.name,
|
||
|
|
'moduleName': usage.module_name,
|
||
|
|
'fileName': usage.module_path,
|
||
|
|
'line': usage.line,
|
||
|
|
'column': usage.column,
|
||
|
|
})
|
||
|
|
return json.dumps({'id': identifier, 'results': _usages})
|
||
|
|
|
||
|
|
def _deserialize(self, request):
|
||
|
|
"""Deserialize request from VSCode.
|
||
|
|
|
||
|
|
Args:
|
||
|
|
request: String with raw request from VSCode.
|
||
|
|
|
||
|
|
Returns:
|
||
|
|
Python dictionary with request data.
|
||
|
|
"""
|
||
|
|
return json.loads(request)
|
||
|
|
|
||
|
|
def _set_request_config(self, config):
|
||
|
|
"""Sets config values for current request.
|
||
|
|
|
||
|
|
This includes sys.path modifications which is getting restored to
|
||
|
|
default value on each request so each project should be isolated
|
||
|
|
from each other.
|
||
|
|
|
||
|
|
Args:
|
||
|
|
config: Dictionary with config values.
|
||
|
|
"""
|
||
|
|
sys.path = self.default_sys_path
|
||
|
|
self.use_snippets = config.get('useSnippets')
|
||
|
|
self.show_doc_strings = config.get('showDescriptions', True)
|
||
|
|
self.fuzzy_matcher = config.get('fuzzyMatcher', False)
|
||
|
|
jedi.settings.case_insensitive_completion = config.get(
|
||
|
|
'caseInsensitiveCompletion', True)
|
||
|
|
for path in config.get('extraPaths', []):
|
||
|
|
if path and path not in sys.path:
|
||
|
|
sys.path.insert(0, path)
|
||
|
|
|
||
|
|
def _normalize_request_path(self, request):
|
||
|
|
"""Normalize any Windows paths received by a *nix build of
|
||
|
|
Python. Does not alter the reverse os.path.sep=='\\',
|
||
|
|
i.e. *nix paths received by a Windows build of Python.
|
||
|
|
"""
|
||
|
|
if 'path' in request:
|
||
|
|
if not self.drive_mount:
|
||
|
|
return
|
||
|
|
newPath = request['path'].replace('\\', '/')
|
||
|
|
if newPath[0:1] == '/':
|
||
|
|
# is absolute path with no drive letter
|
||
|
|
request['path'] = newPath
|
||
|
|
elif newPath[1:2] == ':':
|
||
|
|
# is path with drive letter, only absolute can be mapped
|
||
|
|
request['path'] = self.drive_mount + newPath[0:1].lower() + newPath[2:]
|
||
|
|
else:
|
||
|
|
# is relative path
|
||
|
|
request['path'] = newPath
|
||
|
|
|
||
|
|
def _process_request(self, request):
|
||
|
|
"""Accept serialized request from VSCode and write response.
|
||
|
|
"""
|
||
|
|
request = self._deserialize(request)
|
||
|
|
|
||
|
|
self._set_request_config(request.get('config', {}))
|
||
|
|
|
||
|
|
self._normalize_request_path(request)
|
||
|
|
path = self._get_top_level_module(request.get('path', ''))
|
||
|
|
if len(path) > 0 and path not in sys.path:
|
||
|
|
sys.path.insert(0, path)
|
||
|
|
lookup = request.get('lookup', 'completions')
|
||
|
|
|
||
|
|
if lookup == 'names':
|
||
|
|
return self._serialize_definitions(
|
||
|
|
jedi.api.names(
|
||
|
|
source=request.get('source', None),
|
||
|
|
path=request.get('path', ''),
|
||
|
|
all_scopes=True),
|
||
|
|
request['id'])
|
||
|
|
|
||
|
|
script = jedi.Script(
|
||
|
|
source=request.get('source', None), line=request['line'] + 1,
|
||
|
|
column=request['column'], path=request.get('path', ''),
|
||
|
|
sys_path=sys.path, environment=self.environment)
|
||
|
|
|
||
|
|
if lookup == 'definitions':
|
||
|
|
defs = self._get_definitionsx(script.goto_assignments(follow_imports=True), request['id'])
|
||
|
|
return json.dumps({'id': request['id'], 'results': defs})
|
||
|
|
if lookup == 'tooltip':
|
||
|
|
if jediPreview:
|
||
|
|
defs = []
|
||
|
|
try:
|
||
|
|
defs = self._get_definitionsx(script.goto_definitions(), request['id'], True)
|
||
|
|
except:
|
||
|
|
pass
|
||
|
|
try:
|
||
|
|
if len(defs) == 0:
|
||
|
|
defs = self._get_definitionsx(script.goto_assignments(), request['id'], True)
|
||
|
|
except:
|
||
|
|
pass
|
||
|
|
return json.dumps({'id': request['id'], 'results': defs})
|
||
|
|
else:
|
||
|
|
try:
|
||
|
|
return self._serialize_tooltip(script.goto_definitions(), request['id'])
|
||
|
|
except:
|
||
|
|
return json.dumps({'id': request['id'], 'results': []})
|
||
|
|
elif lookup == 'arguments':
|
||
|
|
return self._serialize_arguments(
|
||
|
|
script, request['id'])
|
||
|
|
elif lookup == 'usages':
|
||
|
|
return self._serialize_usages(
|
||
|
|
script.usages(), request['id'])
|
||
|
|
elif lookup == 'methods':
|
||
|
|
return self._serialize_methods(script, request['id'],
|
||
|
|
request.get('prefix', ''))
|
||
|
|
else:
|
||
|
|
return self._serialize_completions(script, request['id'],
|
||
|
|
request.get('prefix', ''))
|
||
|
|
|
||
|
|
def _write_response(self, response):
|
||
|
|
sys.stdout.write(response + '\n')
|
||
|
|
sys.stdout.flush()
|
||
|
|
|
||
|
|
def watch(self):
|
||
|
|
while True:
|
||
|
|
try:
|
||
|
|
rq = self._input.readline()
|
||
|
|
if len(rq) == 0:
|
||
|
|
# Reached EOF - indication our parent process is gone.
|
||
|
|
sys.stderr.write('Received EOF from the standard input,exiting' + '\n')
|
||
|
|
sys.stderr.flush()
|
||
|
|
return
|
||
|
|
with RedirectStdout():
|
||
|
|
response = self._process_request(rq)
|
||
|
|
self._write_response(response)
|
||
|
|
|
||
|
|
except Exception:
|
||
|
|
sys.stderr.write(traceback.format_exc() + '\n')
|
||
|
|
sys.stderr.flush()
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
cachePrefix = 'v'
|
||
|
|
modulesToLoad = ''
|
||
|
|
if len(sys.argv) > 2 and sys.argv[1] == 'custom':
|
||
|
|
jediPath = sys.argv[2]
|
||
|
|
jediPreview = True
|
||
|
|
cachePrefix = 'custom_v'
|
||
|
|
if len(sys.argv) > 3:
|
||
|
|
modulesToLoad = sys.argv[3]
|
||
|
|
else:
|
||
|
|
#release
|
||
|
|
jediPath = os.path.dirname(__file__)
|
||
|
|
if len(sys.argv) > 1:
|
||
|
|
modulesToLoad = sys.argv[1]
|
||
|
|
|
||
|
|
sys.path.insert(0, jediPath)
|
||
|
|
import jedi
|
||
|
|
if jediPreview:
|
||
|
|
jedi.settings.cache_directory = os.path.join(
|
||
|
|
jedi.settings.cache_directory, cachePrefix + jedi.__version__.replace('.', ''))
|
||
|
|
# remove jedi from path after we import it so it will not be completed
|
||
|
|
sys.path.pop(0)
|
||
|
|
if len(modulesToLoad) > 0:
|
||
|
|
jedi.preload_module(*modulesToLoad.split(','))
|
||
|
|
JediCompletion().watch()
|