116 lines
3.7 KiB
Python
116 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
|
|
"""
|
|
wakatime.languages.python
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
Parse dependencies from Python code.
|
|
|
|
:copyright: (c) 2013 Alan Hamlett.
|
|
:license: BSD, see LICENSE for more details.
|
|
"""
|
|
|
|
from . import TokenParser
|
|
from ..compat import u
|
|
|
|
|
|
class PythonParser(TokenParser):
|
|
state = None
|
|
parens = 0
|
|
nonpackage = False
|
|
|
|
def parse(self, tokens=[]):
|
|
if not tokens and not self.tokens:
|
|
self.tokens = self._extract_tokens()
|
|
for index, token, content in self.tokens:
|
|
self._process_token(token, content)
|
|
return self.dependencies
|
|
|
|
def _process_token(self, token, content):
|
|
if u(token).split('.')[-1] == 'Namespace':
|
|
self._process_namespace(token, content)
|
|
elif u(token).split('.')[-1] == 'Name':
|
|
self._process_name(token, content)
|
|
elif u(token).split('.')[-1] == 'Word':
|
|
self._process_word(token, content)
|
|
elif u(token).split('.')[-1] == 'Operator':
|
|
self._process_operator(token, content)
|
|
elif u(token).split('.')[-1] == 'Punctuation':
|
|
self._process_punctuation(token, content)
|
|
elif u(token).split('.')[-1] == 'Text':
|
|
self._process_text(token, content)
|
|
else:
|
|
self._process_other(token, content)
|
|
|
|
def _process_namespace(self, token, content):
|
|
if self.state is None:
|
|
self.state = content
|
|
else:
|
|
self._process_import(token, content)
|
|
|
|
def _process_name(self, token, content):
|
|
if self.state is not None:
|
|
if self.nonpackage:
|
|
self.nonpackage = False
|
|
else:
|
|
if self.state == 'from':
|
|
self.append(content)
|
|
if self.state == 'from-2' and content != 'import':
|
|
self.append(content)
|
|
elif self.state == 'import':
|
|
self.append(content)
|
|
elif self.state == 'import-2':
|
|
self.append(content)
|
|
else:
|
|
self.state = None
|
|
|
|
def _process_word(self, token, content):
|
|
if self.state is not None:
|
|
if self.nonpackage:
|
|
self.nonpackage = False
|
|
else:
|
|
if self.state == 'from':
|
|
self.append(content)
|
|
if self.state == 'from-2' and content != 'import':
|
|
self.append(content)
|
|
elif self.state == 'import':
|
|
self.append(content)
|
|
elif self.state == 'import-2':
|
|
self.append(content)
|
|
else:
|
|
self.state = None
|
|
|
|
def _process_operator(self, token, content):
|
|
if self.state is not None:
|
|
if content == '.':
|
|
self.nonpackage = True
|
|
|
|
def _process_punctuation(self, token, content):
|
|
if content == '(':
|
|
self.parens += 1
|
|
elif content == ')':
|
|
self.parens -= 1
|
|
self.nonpackage = False
|
|
|
|
def _process_text(self, token, content):
|
|
if self.state is not None:
|
|
if content == "\n" and self.parens == 0:
|
|
self.state = None
|
|
self.nonpackage = False
|
|
|
|
def _process_other(self, token, content):
|
|
pass
|
|
|
|
def _process_import(self, token, content):
|
|
self.nonpackage = False
|
|
if self.state == 'from':
|
|
self.append(content)
|
|
self.state = 'from-2'
|
|
elif self.state == 'from-2' and content != 'import':
|
|
self.append(content)
|
|
elif self.state == 'import':
|
|
self.append(content)
|
|
self.state = 'import-2'
|
|
elif self.state == 'import-2':
|
|
self.append(content)
|
|
else:
|
|
self.state = None
|