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package org.qpython.qpy.utils;
import android.app.Activity;
import android.content.Context;
import android.os.Handler;
import android.os.Looper;
import android.util.Log;
import com.loopj.android.http.AsyncHttpResponseHandler;
import com.quseit.base.QBaseApp;
import com.quseit.util.NAction;
import com.quseit.util.NStorage;
import com.quseit.util.NUtil;
import org.apache.http.Header;
import org.qpython.qpy.R;
import org.qpython.qpy.console.ScriptExec;
import org.qpython.qpy.main.app.App;
import org.qpython.qpysdk.QPyConstants;
import org.qpython.qpysdk.QPySDK;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
/**
* 文 件 名: NotebookCheckUtil
* 创 建 人: ZhangRonghua
* 创建日期: 2018/2/8 09:35
* 修改时间：
* 修改备注：
*/
public class NotebookUtil {
private static final String TAG = "NotebookUtil";
public static final String RELEASE_PATH = QPyConstants.ABSOLUTE_PATH + "/.notebook";
public static final String NB_SERVER = "http://127.0.0.1:13000";
public static final String KILL_SERVER = NB_SERVER + "/__exit";
public static final String NOTEBOOK_SERVER = NB_SERVER + "/notebooks/";
public static final String NOTEBOOK_DIR = QPyConstants.ABSOLUTE_PATH+"/";
public static final String ext = ".ipynb";
public static final String Untitled = "Untitled";
public static boolean isNotebookEnable(Context context) {
boolean isNLI = isNotebookLibInstall(context);
Log.d("NotebookUtil", "isNotebookEnable:" + "-" + isNLI);
return isNLI;
}
/**
* 检查notebook库是否安装
*/
public static boolean isNotebookLibInstall(Context context) {
boolean common = new File(context.getFilesDir().getAbsolutePath() + "/lib/notebook.zip").exists();
if (NAction.isQPy3(context)) {
return common & new File(context.getFilesDir().getAbsoluteFile()+"/bin/jupyter").exists();
} else {
return common & new File(context.getFilesDir().getAbsoluteFile()+"/bin/jupyter2").exists();
}
}
/**
* 释放相关资源
*/
public static boolean extraData(Context context) {
//如果解压成功则lib目录下回出现libzmq.so文件
if (new File(context.getFilesDir().getAbsolutePath() + "/lib", "notebook.zip").exists()) {
//对bin目录下的文件修改执行权限
File bind = new File(context.getFilesDir().getAbsolutePath() + "/bin");
if (bind.listFiles() != null) {
for (File bin : bind.listFiles()) {
try {
org.qpython.qpysdk.utils.FileUtils.chmod(bin, 0755);
} catch (Exception e1) {
e1.printStackTrace();
}
}
}
if (context.getPackageName().equals("com.hipipal.qpyplus")) { // old version
// Rename correct files to
String[] list = {"jupyter-chq", "jupyter2-chq", "jupyter-notebook-chq", "jupyter2-notebook-chq"};
for (int i=0;i<list.length;i++) {
String f = list[i];
String t = f.replace("-chq","");
File ff = new File(context.getFilesDir().getAbsolutePath() + "/bin", f);
File tf = new File(context.getFilesDir().getAbsolutePath() + "/bin", t);
if (ff.exists()) {
ff.renameTo(tf);
}
}
}
} else {
return false;
}
return true;
}
/**
* 创建一个的notebook
*/
@SuppressWarnings("ResultOfMethodCallIgnored")
public static String createNotebook(Context context, String fileName) {
InputStream is = null;
FileOutputStream fileOutputStream = null;
File file = new File(NOTEBOOK_DIR + "notebooks/", fileName + ext);
try {
if (!file.exists()) {
file.getParentFile().mkdirs();
file.createNewFile();
}
fileOutputStream = new FileOutputStream(file);
is = context.getAssets().open(Untitled + ext);
int lenght = is.available();
byte[] buffer = new byte[lenght];
is.read(buffer);
fileOutputStream.write(buffer);
fileOutputStream.flush();
return file.getAbsolutePath();
} catch (Exception e) {
e.printStackTrace();
return null;
} finally {
try {
if (is != null)
is.close();
if (fileOutputStream != null)
fileOutputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* 关闭后台服务
*/
public static void killServer() {
QBaseApp.getInstance().getAsyncHttpClient().get(KILL_SERVER, new AsyncHttpResponseHandler() {
@Override
public void onSuccess(int i, Header[] headers, byte[] bytes) {
}
@Override
public void onFailure(int i, Header[] headers, byte[] bytes, Throwable throwable) {
}
});
}
/**
* 下载文件
*/
public static void downloadFile(String url, DownloadCallback callback) {
Log.d("NotebookUtil", "downloadFile:" + url);
final Handler handler = new Handler(Looper.getMainLooper());
OkHttpClient client = App.getOkHttpClient();
Request request = new Request.Builder().url(url).build();
client.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
e.printStackTrace();
handler.post(() -> {
callback.onFail(e.getMessage());
});
}
@Override
public void onResponse(Call call, Response response) throws IOException {
InputStream is = null;
FileOutputStream fos = null;
byte[] buff = new byte[2048];
int len = -1;
try {
String filePath = getTempFilePath(url);
Log.d("NotebookUtil", "onResponse:downloadFile:" + filePath);
if (filePath == null) {
handler.post(() -> {
callback.onFail("Failed to download " + url);
});
return;
}
fos = new FileOutputStream(filePath);
is = response.body().byteStream();
while ((len = is.read(buff)) != -1) {
fos.write(buff, 0, len);
}
fos.flush();
handler.post(() -> {
callback.onSuccess(filePath);
});
} catch (Exception e) {
e.printStackTrace();
handler.post(() -> {
callback.onFail(e.getMessage());
});
} finally {
if (is != null) {
is.close();
}
if (fos != null) {
fos.close();
}
}
}
});
}
private static String getTempFilePath(String url) {
//LogUtil.d("NotebookUtil", "getTempFilePath:"+url);
File dir = new File(QPyConstants.ABSOLUTE_PATH, "notebooks");
if (!dir.exists()) {
dir.mkdirs();
}
String fileName = NUtil.getFileFromUrl(url);
File file = new File(dir, fileName);
Log.d("NotebookUtil", "getTempFilePath:" + file);
try {
if (!file.exists()) {
file.createNewFile();
}
} catch (IOException e) {
e.printStackTrace();
return null;
}
return file.getAbsolutePath();
}
public interface DownloadCallback {
void onSuccess(String filePath);
void onFail(String msg);
}
public static void startNotebookService2(Context context) {
int notebookPid;
if (NAction.isQPy3(context)) {
notebookPid = ScriptExec.getInstance().playQScript(context, context.getFilesDir().getAbsolutePath() + "/bin/nb_man.py", null,false);
} else {
notebookPid = ScriptExec.getInstance().playQScript(context, context.getFilesDir().getAbsolutePath() + "/bin/nb2_man.py", null,false);
}
Log.d("NotebookUtil", "startNotebookService2:"+notebookPid);
NStorage.setSP(context, "notebook.pid", ""+notebookPid);
}
public static void startNotebookService(Context context) {
if (NAction.isQPy3(context)) {
ScriptExec.getInstance().playDScript(context, context.getFilesDir().getAbsolutePath() + "/bin/nb_man.py", null,false);
} else {
ScriptExec.getInstance().playDScript(context, context.getFilesDir().getAbsolutePath() + "/bin/nb2_man.py", null,false);
}
}
public static boolean isNBSrvSet(Context context) {
boolean isset = getNBPid2(context) != -1;
Log.d(TAG, "isNBSrvSet:"+(isset?"yes":"no"));
return isset;
}
public static void killNBSrv(Context context) {
int pid = getNBPid2(context);
Log.d(TAG, "killNBSrv:"+pid);
if (pid!=-1) {
android.os.Process.killProcess(pid);
}
NStorage.setSP(context, "notebook.pid", "");
}
public static int getNBPid2(Context context) {
String _pid = NStorage.getSP(context, "notebook.pid");
if (!_pid.equals("")) {
return Integer.valueOf(_pid);
} else {
return -1;
}
}
public static String getNbResFk(Context context) {
return NAction.isQPy3(context)?QPyConstants.KEY_NOTEBOOK_RES: QPyConstants.KEY_NOTEBOOK2_RES;
}
public static String getNBLink(Context context) {
String nb_link = NAction.isQPy3(context)?"https://dl.qpy.io/notebook3.json":"https://dl.qpy.io/notebook2.json";
return nb_link+"?"+NAction.getUserUrl(context);
}
}