+ fixes #0001237: the project file is not saved when the /tmp directory is full, but the user is not aware of it

src/App/Document.cpp

@@ -1075,6 +1075,10 @@ bool Document::save (void)
             // write additional files
             writer.writeFiles();
 
+            if (writer.hasErrors()) {
+                throw Base::FileException("Failed to write all data to file", tmp);
+            }
+
             GetApplication().signalSaveDocument(*this);
         }
 

src/App/DocumentPyImp.cpp

@@ -52,11 +52,22 @@ std::string DocumentPy::representation(void) const
 
 PyObject*  DocumentPy::save(PyObject * args)
 {
-    if (!PyArg_ParseTuple(args, ""))     // convert args: Python->C 
-        return NULL;                    // NULL triggers exception 
-    if (!getDocumentPtr()->save()) {
-        PyErr_Format(PyExc_ValueError, "Object attribute 'FileName' is not set");
-        return NULL;
+    if (!PyArg_ParseTuple(args, ""))     // convert args: Python->C
+        return NULL;                    // NULL triggers exception
+
+    try {
+        if (!getDocumentPtr()->save()) {
+            PyErr_SetString(PyExc_ValueError, "Object attribute 'FileName' is not set");
+            return NULL;
+        }
+    }
+    catch (const Base::FileException& e) {
+        PyErr_SetString(PyExc_IOError, e.what());
+        return 0;
+    }
+    catch (const Base::Exception& e) {
+        PyErr_SetString(PyExc_RuntimeError, e.what());
+        return 0;
     }
 
     const char* filename = getDocumentPtr()->FileName.getValue();
@@ -72,11 +83,22 @@ PyObject*  DocumentPy::save(PyObject * args)
 PyObject*  DocumentPy::saveAs(PyObject * args)
 {
     char* fn;
-    if (!PyArg_ParseTuple(args, "s", &fn))     // convert args: Python->C 
-        return NULL;                    // NULL triggers exception 
-    if (!getDocumentPtr()->saveAs(fn)) {
-        PyErr_Format(PyExc_ValueError, "Object attribute 'FileName' is not set");
-        return NULL;
+    if (!PyArg_ParseTuple(args, "s", &fn))     // convert args: Python->C
+        return NULL;                    // NULL triggers exception
+
+    try {
+        if (!getDocumentPtr()->saveAs(fn)) {
+            PyErr_SetString(PyExc_ValueError, "Object attribute 'FileName' is not set");
+            return NULL;
+        }
+    }
+    catch (const Base::FileException& e) {
+        PyErr_SetString(PyExc_IOError, e.what());
+        return 0;
+    }
+    catch (const Base::Exception& e) {
+        PyErr_SetString(PyExc_RuntimeError, e.what());
+        return 0;
     }
 
     Base::FileInfo fi(fn);

src/Base/Writer.cpp

@@ -141,6 +141,26 @@ void Writer::clearModes()
     Modes.clear();
 }
 
+void Writer::addError(const std::string& msg)
+{
+    Errors.push_back(msg);
+}
+
+bool Writer::hasErrors() const
+{
+    return (!Errors.empty());
+}
+
+void Writer::clearErrors()
+{
+    Errors.clear();
+}
+
+std::vector<std::string> Writer::getErrors() const
+{
+    return Errors;
+}
+
 std::string Writer::addFile(const char* Name,const Base::Persistence *Object)
 {
     // always check isForceXML() before requesting a file!

src/Base/Writer.h

@@ -95,6 +95,14 @@ public:
     void clearModes();
     //@}
 
+    /** @name Error handling */
+    //@{
+    void addError(const std::string&);
+    bool hasErrors() const;
+    void clearErrors();
+    std::vector<std::string> getErrors() const;
+    //@}
+
     /** @name pretty formating for XML */
     //@{
     /// get the current indentation
@@ -118,6 +126,7 @@ protected:
     };
     std::vector<FileEntry> FileList;
     std::vector<std::string> FileNames;
+    std::vector<std::string> Errors;
     std::set<std::string> Modes;
 
     short indent;

src/Gui/Document.cpp

@@ -605,10 +605,16 @@ App::Document* Document::getDocument(void) const
 bool Document::save(void)
 {
     if (d->_pcDocument->isSaved()) {
-        Gui::WaitCursor wc;
-        Command::doCommand(Command::Doc,"App.getDocument(\"%s\").save()"
-                                       ,d->_pcDocument->getName());
-        setModified(false);
+        try {
+            Gui::WaitCursor wc;
+            Command::doCommand(Command::Doc,"App.getDocument(\"%s\").save()"
+                                           ,d->_pcDocument->getName());
+            setModified(false);
+        }
+        catch (const Base::Exception& e) {
+            QMessageBox::critical(getMainWindow(), QObject::tr("Saving document failed"),
+                QString::fromLatin1(e.what()));
+        }
         return true;
     }
     else {
@@ -631,12 +637,17 @@ bool Document::saveAs(void)
         const char * DocName = App::GetApplication().getDocumentName(getDocument());
 
         // save as new file name
-        Gui::WaitCursor wc;
-        Command::doCommand(Command::Doc,"App.getDocument(\"%s\").saveAs(\"%s\")"
-                                       , DocName, (const char*)fn.toUtf8());
-        setModified(false);
-
-        getMainWindow()->appendRecentFile(fi.filePath());
+        try {
+            Gui::WaitCursor wc;
+            Command::doCommand(Command::Doc,"App.getDocument(\"%s\").saveAs(\"%s\")"
+                                           , DocName, (const char*)fn.toUtf8());
+            setModified(false);
+            getMainWindow()->appendRecentFile(fi.filePath());
+        }
+        catch (const Base::Exception& e) {
+            QMessageBox::critical(getMainWindow(), QObject::tr("Saving document failed"),
+                QString::fromLatin1(e.what()));
+        }
         return true;
     }
     else {

src/Mod/Part/App/PropertyTopoShape.cpp

@@ -294,6 +294,10 @@ void PropertyPartShape::SaveDocFile (Base::Writer &writer) const
             else {
                 Base::Console().Error("Cannot save BRep file '%s'\n", fi.filePath().c_str());
             }
+
+            std::stringstream ss;
+            ss << "Cannot save BRep file '" << fi.filePath() << "'";
+            writer.addError(ss.str());
         }
 
         Base::ifstream file(fi, std::ios::in | std::ios::binary);