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-rw-r--r--sphinx/pycode/__init__.py13
1 files changed, 7 insertions, 6 deletions
diff --git a/sphinx/pycode/__init__.py b/sphinx/pycode/__init__.py
index 943c77244..8bc1ba6c1 100644
--- a/sphinx/pycode/__init__.py
+++ b/sphinx/pycode/__init__.py
@@ -139,9 +139,13 @@ class ModuleAnalyzer:
self.overloads = None # type: Dict[str, List[Signature]]
self.tagorder = None # type: Dict[str, int]
self.tags = None # type: Dict[str, Tuple[str, int, int]]
+ self._parsed = False
def parse(self) -> None:
"""Parse the source code."""
+ if self._parsed:
+ return None
+
try:
parser = Parser(self.code)
parser.parse()
@@ -158,19 +162,16 @@ class ModuleAnalyzer:
self.overloads = parser.overloads
self.tags = parser.definitions
self.tagorder = parser.deforders
+ self._parsed = True
except Exception as exc:
raise PycodeError('parsing %r failed: %r' % (self.srcname, exc)) from exc
def find_attr_docs(self) -> Dict[Tuple[str, str], List[str]]:
"""Find class and module-level attributes and their documentation."""
- if self.attr_docs is None:
- self.parse()
-
+ self.parse()
return self.attr_docs
def find_tags(self) -> Dict[str, Tuple[str, int, int]]:
"""Find class, function and method definitions and their location."""
- if self.tags is None:
- self.parse()
-
+ self.parse()
return self.tags