Ignore PermissionError in netrc_info() (#1104)

* Ignore PermissionError in netrc_info()

diff --git a/httpx/_utils.py b/httpx/_utils.py
index 55503655d32df4aa9694bf6704caa8e4c65b16dc..f01cfe4ecc5dbfdf1347c81214df3f8ba8535728 100644 (file)
--- a/httpx/_utils.py
+++ b/httpx/_utils.py
@@ -139,9 +139,13 @@ class NetRCInfo:
             self._netrc_info = None
             for file_path in self.netrc_files:
                 expanded_path = Path(file_path).expanduser()
-                if expanded_path.is_file():
-                    self._netrc_info = netrc.netrc(str(expanded_path))
-                    break
+                try:
+                    if expanded_path.is_file():
+                        self._netrc_info = netrc.netrc(str(expanded_path))
+                        break
+                except (netrc.NetrcParseError, IOError):  # pragma: nocover
+                    # Issue while reading the netrc file, ignore...
+                    pass
         return self._netrc_info
 
     def get_credentials(