id summary reporter owner description type status priority milestone component version resolution keywords cc blockedby blocking notify_on_close platform project 121 String too long error opening mmCIF file Tom Goddard Greg Couch "Opening the mmcif file 1voq_1vor_1vos_1vou_1vov_1vow_1vox_1voy_1voz_1vp0 found on the PDB mmCIF examples web page produces a ""String too long"" error in Chimera. http://mmcif.wwpdb.org/docs/large-pdbx-examples/ This is a 100 Mbyte file so I am not going to attach it to the ticket. Not clear what string is too long, maybe a chain name, or residue name or some other fixed length string. We should use C++ std::string to avoid string length issues. The use of fixed length strings was to save memory but from what I recall it saved a neglible 2%. Traceback (most recent call last): File ""/Users/goddard/ucsf/chimera2/Chimera2.app/Contents/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/chimera/core/gui.py"", line 313, in self.Bind(wx.EVT_MENU, lambda evt, ses=session: self.on_open(evt, ses), File ""/Users/goddard/ucsf/chimera2/Chimera2.app/Contents/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/chimera/core/gui.py"", line 205, in on_open session.models.open(paths) File ""/Users/goddard/ucsf/chimera2/Chimera2.app/Contents/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/chimera/core/models.py"", line 256, in open models, status = io.open_multiple_data(session, filenames, **kw) File ""/Users/goddard/ucsf/chimera2/Chimera2.app/Contents/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/chimera/core/io.py"", line 611, in open_multiple_data models, status = open_data(session, fspec, **kw) File ""/Users/goddard/ucsf/chimera2/Chimera2.app/Contents/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/chimera/core/io.py"", line 574, in open_data models, status = open_func(session, stream, name, **kw) File ""/Users/goddard/ucsf/chimera2/Chimera2.app/Contents/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/chimera/core/mmcif.py"", line 25, in open_mmcif pointers = _mmcif.parse_mmCIF_file(filename, session.logger) TypeError: String too long" defect closed major Input/Output fixed pett@… all chimera