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call_signatures caching should be much more precise, now. fixes #390

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This commit is contained in:
Dave Halter
2014-04-09 12:26:37 +02:00
parent d2dc39e0c2
commit 46277eb9c9
3 changed files with 36 additions and 4 deletions
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13
jedi/cache.py
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@@ -21,6 +21,7 @@ import hashlib
import gc
import inspect
import shutil
import re
try:
import cPickle as pickle
except ImportError:
@@ -96,9 +97,17 @@ def time_cache(time_add_setting):
@time_cache("call_signatures_validity")
def cache_call_signatures(stmt):
def cache_call_signatures(source, user_pos, stmt):
"""This function calculates the cache key."""
index = user_pos[0] - 1
lines = source.splitlines() or ['']
before_cursor = lines[index][:user_pos[1]]
other_lines = lines[stmt.start_pos[0]:index]
whole = '\n'.join(other_lines + [before_cursor])
before_bracket = re.match(r'.*\(', whole, re.DOTALL)
module_path = stmt.get_parent_until().path
return None if module_path is None else (module_path, stmt.start_pos)
return None if module_path is None else (module_path, before_bracket, stmt.start_pos)
def underscore_memoization(func):