@NotNull
public static IpnbFile parseIpnbFile(
@NotNull final CharSequence fileText, @NotNull final VirtualFile virtualFile)
throws IOException {
final String path = virtualFile.getPath();
IpnbFileRaw rawFile = gson.fromJson(fileText.toString(), IpnbFileRaw.class);
if (rawFile == null) {
int nbformat = isIpythonNewFormat(virtualFile) ? 4 : 3;
return new IpnbFile(Collections.emptyMap(), nbformat, Lists.newArrayList(), path);
}
List<IpnbCell> cells = new ArrayList<IpnbCell>();
final IpnbWorksheet[] worksheets = rawFile.worksheets;
if (worksheets == null) {
for (IpnbCellRaw rawCell : rawFile.cells) {
cells.add(rawCell.createCell());
}
} else {
for (IpnbWorksheet worksheet : worksheets) {
final List<IpnbCellRaw> rawCells = worksheet.cells;
for (IpnbCellRaw rawCell : rawCells) {
cells.add(rawCell.createCell());
}
}
}
return new IpnbFile(rawFile.metadata, rawFile.nbformat, cells, path);
}
public static CellOutputRaw fromOutput(@NotNull final IpnbOutputCell outputCell, int nbformat) {
final CellOutputRaw raw = new CellOutputRaw();
raw.metadata = outputCell.getMetadata();
if (raw.metadata == null
&& !(outputCell instanceof IpnbStreamOutputCell)
&& !(outputCell instanceof IpnbErrorOutputCell)) {
raw.metadata = Collections.emptyMap();
}
if (outputCell instanceof IpnbPngOutputCell) {
if (nbformat == 4) {
final OutputDataRaw dataRaw = new OutputDataRaw();
dataRaw.png = ((IpnbPngOutputCell) outputCell).getBase64String();
dataRaw.text = outputCell.getText();
raw.data = dataRaw;
raw.execution_count = outputCell.getPromptNumber();
raw.output_type =
outputCell.getPromptNumber() != null ? "execute_result" : "display_data";
} else {
raw.png = ((IpnbPngOutputCell) outputCell).getBase64String();
raw.text = outputCell.getText();
}
} else if (outputCell instanceof IpnbSvgOutputCell) {
if (nbformat == 4) {
final OutputDataRaw dataRaw = new OutputDataRaw();
dataRaw.text = outputCell.getText();
dataRaw.svg = ((IpnbSvgOutputCell) outputCell).getSvg();
raw.data = dataRaw;
raw.execution_count = outputCell.getPromptNumber();
raw.output_type =
outputCell.getPromptNumber() != null ? "execute_result" : "display_data";
} else {
raw.svg = ((IpnbSvgOutputCell) outputCell).getSvg();
raw.text = outputCell.getText();
}
} else if (outputCell instanceof IpnbJpegOutputCell) {
if (nbformat == 4) {
final OutputDataRaw dataRaw = new OutputDataRaw();
dataRaw.text = outputCell.getText();
dataRaw.jpeg = Lists.newArrayList(((IpnbJpegOutputCell) outputCell).getBase64String());
raw.data = dataRaw;
} else {
raw.jpeg = ((IpnbJpegOutputCell) outputCell).getBase64String();
raw.text = outputCell.getText();
}
} else if (outputCell instanceof IpnbLatexOutputCell) {
if (nbformat == 4) {
final OutputDataRaw dataRaw = new OutputDataRaw();
dataRaw.text = outputCell.getText();
dataRaw.latex = ((IpnbLatexOutputCell) outputCell).getLatex();
raw.data = dataRaw;
raw.execution_count = outputCell.getPromptNumber();
raw.output_type = "execute_result";
} else {
raw.latex = ((IpnbLatexOutputCell) outputCell).getLatex();
raw.text = outputCell.getText();
raw.prompt_number = outputCell.getPromptNumber();
}
} else if (outputCell instanceof IpnbStreamOutputCell) {
if (nbformat == 4) {
raw.name = ((IpnbStreamOutputCell) outputCell).getStream();
} else {
raw.stream = ((IpnbStreamOutputCell) outputCell).getStream();
}
raw.text = outputCell.getText();
raw.output_type = "stream";
} else if (outputCell instanceof IpnbHtmlOutputCell) {
if (nbformat == 4) {
final OutputDataRaw dataRaw = new OutputDataRaw();
dataRaw.html = ((IpnbHtmlOutputCell) outputCell).getHtmls();
dataRaw.text = outputCell.getText();
raw.data = dataRaw;
raw.execution_count = outputCell.getPromptNumber();
} else {
raw.html = ((IpnbHtmlOutputCell) outputCell).getHtmls();
}
raw.output_type = nbformat == 4 ? "execute_result" : "pyout";
} else if (outputCell instanceof IpnbErrorOutputCell) {
raw.output_type = nbformat == 4 ? "error" : "pyerr";
raw.evalue = ((IpnbErrorOutputCell) outputCell).getEvalue();
raw.ename = ((IpnbErrorOutputCell) outputCell).getEname();
raw.traceback = outputCell.getText();
} else if (outputCell instanceof IpnbOutOutputCell) {
if (nbformat == 4) {
raw.execution_count = outputCell.getPromptNumber();
raw.output_type = "execute_result";
final OutputDataRaw dataRaw = new OutputDataRaw();
dataRaw.text = outputCell.getText();
raw.data = dataRaw;
} else {
raw.output_type = "pyout";
raw.prompt_number = outputCell.getPromptNumber();
raw.text = outputCell.getText();
}
} else {
raw.text = outputCell.getText();
}
return raw;
}