为什么chaquopy无法识别请求库

Question

我试图使用请求库编写我的项目。一切都很好，chaquopy安装得很好，可以很快运行其他库，比如OS，但甚至找不到请求库。问题出在哪里？

error:

E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.imen_yar, PID: 6169
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.imen_yar/com.example.imen_yar.MainActivity3}: com.chaquo.python.PyException: ModuleNotFoundError: No module named 'requests'
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3449)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3601)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2066)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:223)
at android.app.ActivityThread.main(ActivityThread.java:7656)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947)
Caused by: com.chaquo.python.PyException: ModuleNotFoundError: No module named 'requests'
at <python>.importlib._bootstrap._find_and_load_unlocked(<frozen importlib._bootstrap>:973)
at <python>.importlib._bootstrap._find_and_load(<frozen importlib._bootstrap>:991)
at <python>.importlib._bootstrap._gcd_import(<frozen importlib._bootstrap>:1014)
at <python>.importlib.import_module(__init__.py:127)
at <python>.chaquopy_java.Java_com_chaquo_python_Python_getModuleNative(chaquopy_java.pyx:155)
at com.chaquo.python.Python.getModuleNative(Native Method)
at com.chaquo.python.Python.getModule(Python.java:84)
at com.example.imen_yar.MainActivity3.onCreate(MainActivity3.java:27)
at android.app.Activity.performCreate(Activity.java:8000)
at android.app.Activity.performCreate(Activity.java:7984)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1309)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3422)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3601) 
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85) 
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) 
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2066) 
at android.os.Handler.dispatchMessage(Handler.java:106) 
at android.os.Looper.loop(Looper.java:223) 
at android.app.ActivityThread.main(ActivityThread.java:7656) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947) 

MainActivity代码：

package com.example.imen_yar;
import static com.chaquo.python.Python.getInstance;
import android.annotation.SuppressLint;
import android.os.Bundle;
import android.widget.EditText;
import android.widget.TextView;
import androidx.appcompat.app.AppCompatActivity;
import com.chaquo.python.PyObject;
import com.chaquo.python.Python;
import com.chaquo.python.android.AndroidPlatform;
public class MainActivity3 extends AppCompatActivity {
@SuppressLint("SetTextI18n")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.link_check);
EditText Ed_text = findViewById(R.id.Ed_text);
TextView text = findViewById(R.id.text);
if(!Python.isStarted()){
Python.start(new AndroidPlatform(this));
}
PyObject re = getInstance().getModule("requests");
String address = "https://google.com";
int address_login = re.callAttr("get", address).toInt();
String local_address = "";
int test = 0;
for(int num = 6; num > 0; num = num - 1){
char[] address_char = address.toCharArray();
local_address = local_address + address_char[0] + address_char[1] + address_char[2] + address_char[3] + address_char[4] + address_char[5];
}
if(address_login != 200){
test+=1;
}
if(!local_address.equals("https")){
test+=1;
}
if(test == 0){
text.setText("link is safe");
}else{
text.setText("link isn't safe");
}
}
}

Answer 1

requests不是Python标准库的一部分，因此您需要按照此处的说明将其添加到应用程序中。