pywayne-adb-logcat-reader
Android device logcat reader for real-time log monitoring. Use when working with pywayne.adb.logcat_reader module to read Android device logs via adb logcat command, supporting both C++ backend (faster) and Python backend (subprocess) with generator-style output for streaming logs.
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- 2026年3月6日 18:33
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- pywayne-adb-logcat-reader
- description
- Android device logcat reader for real-time log monitoring. Use when working with pywayne.adb.logcat_reader module to read Android device logs via adb logcat command, supporting both C++ backend (faster) and Python backend (subprocess) with generator-style output for streaming logs.
# Pywayne ADB Logcat Reader
This module provides real-time Android device log reading capabilities via the `adb logcat` command.
## Quick Start
```python
from pywayne.adb.logcat_reader import AdbLogcatReader
# Create reader (default C++ backend)
reader = AdbLogcatReader()
# Start log capture and read
reader.start()
for line in reader.read():
print(line)
```
# Use Python backend (alternative)
reader = AdbLogcatReader(backend='python')
reader.start()
for line in reader.read():
print(line)
```
# Stop and cleanup
reader.stop()
```
## Initialization
```python
# C++ backend (default, faster)
reader = AdbLogcatReader()
# Python backend (alternative, may be more compatible)
reader = AdbLogcatReader(backend='python')
```
## Reading Logs
The `read()` method yields log lines incrementally as a generator, suitable for processing large logs or real-time monitoring.
```python
# Process logs as they arrive
for line in reader.read():
# Filter, parse, store...
```
## Properties
| Property | Description |
|---------|-------------|
| `backend` | 'cpp' or 'python' | Active backend for adb logcat |
| `running` | Whether logcat process is running |
## Methods
| Method | Description |
|---------|-------------|
| `start()` | Start adb logcat process |
| `read()` | Generator yielding log lines |
| `stop()` | Stop logcat process |
| `get_backend()` | Get active backend type |
## Backends
### C++ Backend (Default)
- Uses native C++ implementation
- Faster performance for real-time streaming
- Better compatibility with adb logcat
### Python Backend (Alternative)
- Uses Python subprocess to call adb
- More compatible across different environments
- Easier debugging and integration
## Notes
- C++ backend is faster and recommended for production
- Python backend may be useful during development
- `stop()` terminates adb logcat; use `Ctrl+C` to send interrupt signal
- Logs are cleared automatically when process stops
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