capture QR codes from camera and major refactoring

- add GUI for QR code capturing from camera (CV2 is used)
- support different QR readers: ZBAR,QREADER,QREADER_DEEP,CV2,CV2_WECHAT
- support several input files
- add option to ignore duplicate otps
- write warnings and errors to stderr
- add output coloring
- rename project from extract_otp_secret_keys to extract_otp_secrets
- improve help
- clean verbose level output
- use Python type hints and check with mypy
- use f-strings
- clean up code
- add more tests
- calculate code coverage
- use src-layout: move files and folders
- support wheel packing
- enhance README.md
- bugfixes
    * fix -k -
    * fix utf-8 encoding on windows
This commit is contained in:
scito 2022-12-28 22:28:54 +01:00
parent 9d052dc78a
commit 4ba0fad000
56 changed files with 3803 additions and 1955 deletions

402
README.md
View file

@ -1,91 +1,47 @@
# Extract TOTP/HOTP secret keys from Google Authenticator
# Extract TOTP/HOTP secrets from QR codes exported by two-factor authentication apps
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---
Extract two-factor authentication (2FA, TFA, OTP) secret keys from export QR codes of "Google Authenticator" app.
The secret and otp values can be printed and exported to json or csv. The QR codes can be printed or saved as PNG images.
The Python script `extract_otp_secrets.py` extracts one time password (OTP) secrets from QR codes exported by two-factor authentication (2FA) apps such as "Google Authenticator".
The exported QR codes from authentication apps can be read in three ways:
1. Capture from the system camera using a GUI, _(new!)_
2. Read image files containing the QR codes, and _(new!)_
3. Read text files containing the QR code data generated by third-party QR readers.
The secret and otp values can be exported to json or csv files, as well as printed or saved to PNG images.
**The project and the script were renamed from extract_otp_secret_keys to extract_otp_secrets in version 2.0.0.**
## Installation
git clone https://github.com/scito/extract_otp_secret_keys.git
cd extract_otp_secret_keys
```
git clone https://github.com/scito/extract_otp_secrets.git
cd extract_otp_secrets
pip install -U -r requirements.txt
## Usage
python src/extract_otp_secrets.py example_export.txt
```
### With builtin QR decoder
In case this script is not starting properly, the debug mode can be activated by adding parameter `-d` in the command line.
1. Open "Google Authenticator" app on the mobile phone
2. Export the QR codes from "Google Authenticator" app
4. Save the captured QR codes as image files, e.g. example_export.png
5. Transfer the images files to the computer where his script is installed.
6. Call this script with the file as input:
### Installation of shared system libraries
python extract_otp_secret_keys.py example_export.png
### With external QR decoder app
1. Open "Google Authenticator" app on the mobile phone
2. Export the QR codes from "Google Authenticator" app
3. Read QR codes with a QR code reader (e.g. from another phone)
4. Save the captured QR codes in the QR code reader to a text file, e.g. example_export.txt. Save each QR code on a new line. (The captured QR codes look like `otpauth-migration://offline?data=...`)
5. Transfer the file to the computer where his script is installed.
6. Call this script with the file as input:
python extract_otp_secret_keys.py example_export.txt
## Program help: arguments and options
<pre>usage: extract_otp_secret_keys.py [-h] [--json FILE] [--csv FILE] [--keepass FILE] [--printqr] [--saveqr DIR] [--verbose | --quiet] infile [infile ...]
positional arguments:
infile 1) file or - for stdin with "otpauth-migration://..." URLs separated by newlines, lines starting with # are ignored; or 2) image file containing a QR code or = for stdin for an image containing a QR code
options:
-h, --help show this help message and exit
--json FILE, -j FILE export json file or - for stdout
--csv FILE, -c FILE export csv file or - for stdout
--keepass FILE, -k FILE export totp/hotp csv file(s) for KeePass, - for stdout
--printqr, -p print QR code(s) as text to the terminal (requires qrcode module)
--saveqr DIR, -s DIR save QR code(s) as images to the given folder (requires qrcode module)
--verbose, -v verbose output
--quiet, -q no stdout output, except output set by -
examples:
python extract_otp_secret_keys.py example_*.txt
python extract_otp_secret_keys.py - < example_export.txt
python extract_otp_secret_keys.py --csv - example_*.png | tail -n+2
python extract_otp_secret_keys.py = < example_export.png</pre>
## Dependencies
pip install -r requirements.txt
Known to work with
* Python 3.10.8, protobuf 4.21.9, qrcode 7.3.1, and pillow 9.2
* Python 3.11.1, protobuf 4.21.12, qrcode 7.3.1, and pillow 9.2
For protobuf versions 3.14.0 or similar or Python 3.6, use the extract_otp_secret_keys version 1.4.0.
### Shared libs installation for reading QR code images
For reading QR code images the zbar library must be installed.
If you do not extract directly from images, you do not need to install the zbar shared library.
For reading QR codes with `ZBAR` QR reader, the zbar library must be installed.
If you do not use the `ZBAR` QR reader, you do not need to install the zbar shared library. Note: The `ZBAR` QR reader is the showed for me the best results and is thus default QR Reader.
For a detailed installation documentation of [pyzbar](https://github.com/NaturalHistoryMuseum/pyzbar#installation).
#### Windows
The zbar DLLs are included with the Windows Python wheels. On other operating systems, you will need to install the zbar shared library.
#### Linux (Debian, Ubuntu, ...)
sudo apt-get install libzbar0
@ -102,58 +58,140 @@ The zbar DLLs are included with the Windows Python wheels. On other operating sy
brew install zbar
#### Windows
##### zbar
The zbar DLLs are included with the Windows Python wheels. However, you might need additionally to install [Visual C++ Redistributable Packages for Visual Studio 2013](https://www.microsoft.com/en-US/download/details.aspx?id=40784). Install `vcredist_x64.exe` if using 64-bit Python, `vcredist_x86.exe` if using 32-bit Python. For more information see [pyzbar](https://github.com/NaturalHistoryMuseum/pyzbar)
##### OpenCV
OpenCV requires [Visual C++ redistributable 2015](https://www.microsoft.com/en-us/download/details.aspx?id=48145). For more information see [opencv-python](https://pypi.org/project/opencv-python/)
## Usage
### Capture QR codes from camera (since version 2.0.0)
1. Open "Google Authenticator" app on the mobile phone
2. Export the QR codes from "Google Authenticator" app
3. Point the QR codes to the camera of your computer
4. Call this script without infile parameters:
python src/extract_otp_secrets.py
![CV2 Capture from camera screenshot](cv2_capture_screenshot.png)
### With builtin QR decoder from image files (since version 2.0.0)
1. Open "Google Authenticator" app on the mobile phone
2. Export the QR codes from "Google Authenticator" app
4. Save the QR code as image file, e.g. example_export.png
5. Transfer the images files to the computer where his script is installed.
6. Call this script with the file as input:
python src/extract_otp_secrets.py example_export.png
### With external QR decoder app from text files
1. Open "Google Authenticator" app on the mobile phone
2. Export the QR codes from "Google Authenticator" app
3. Read QR codes with a QR code reader (e.g. from another phone)
4. Save the captured QR codes in the QR code reader to a text file, e.g. example_export.txt. Save each QR code on a new line. (The captured QR codes look like `otpauth-migration://offline?data=...`)
5. Transfer the file to the computer where his script is installed.
6. Call this script with the file as input:
python src/extract_otp_secrets.py example_export.txt
## Program help: arguments and options
<pre>usage: extract_otp_secrets.py [-h] [--csv FILE] [--keepass FILE] [--json FILE] [--printqr] [--saveqr DIR] [--camera NUMBER] [--qr {ZBAR,QREADER,QREADER_DEEP,CV2,CV2_WECHAT}] [-i] [--no-color] [-d | -v | -q] [infile ...]
Extracts one time password (OTP) secrets from QR codes exported by two-factor authentication (2FA) apps
If no infiles are provided, a GUI window starts and QR codes are captured from the camera.
positional arguments:
infile a) file or - for stdin with 'otpauth-migration://...' URLs separated by newlines, lines starting with # are ignored;
b) image file containing a QR code or = for stdin for an image containing a QR code
options:
-h, --help show this help message and exit
--csv FILE, -c FILE export csv file or - for stdout
--keepass FILE, -k FILE export totp/hotp csv file(s) for KeePass, - for stdout
--json FILE, -j FILE export json file or - for stdout
--printqr, -p print QR code(s) as text to the terminal (requires qrcode module)
--saveqr DIR, -s DIR save QR code(s) as images to the given folder (requires qrcode module)
--camera NUMBER, -C NUMBER camera number of system (default camera: 0)
--qr {ZBAR,QREADER,QREADER_DEEP,CV2,CV2_WECHAT}, -Q {ZBAR,QREADER,QREADER_DEEP,CV2,CV2_WECHAT}
QR reader (default: ZBAR)
-i, --ignore ignore duplicate otps
--no-color, -n do not use ANSI colors in console output
-d, --debug enter debug mode, do checks and quit
-v, --verbose verbose output
-q, --quiet no stdout output, except output set by -
examples:
python extract_otp_secrets.py
python extract_otp_secrets.py example_*.txt
python extract_otp_secrets.py - < example_export.txt
python extract_otp_secrets.py --csv - example_*.png | tail -n+2
python extract_otp_secrets.py = < example_export.png</pre>
## Examples
### Printing otp secrets form text file
python extract_otp_secret_keys.py example_export.txt
python src/extract_otp_secrets.py example_export.txt
### Printing otp secrets from image file
python extract_otp_secret_keys.py example_export.png
python src/extract_otp_secrets.py example_export.png
### Printing otp secrets multiple files
python extract_otp_secret_keys.py example_*.txt
python extract_otp_secret_keys.py example_*.png
python extract_otp_secret_keys.py example_export.*
python extract_otp_secret_keys.py example_*.txt example_*.png
python src/extract_otp_secrets.py example_*.txt
python src/extract_otp_secrets.py example_*.png
python src/extract_otp_secrets.py example_export.*
python src/extract_otp_secrets.py example_*.txt example_*.png
### Printing otp secrets from stdin (text)
python extract_otp_secret_keys.py - < example_export.txt
python src/extract_otp_secrets.py - < example_export.txt
### Printing otp secrets from stdin (image)
python extract_otp_secret_keys.py = < example_export.png
python src/extract_otp_secrets.py = < example_export.png
### Printing otp secrets csv to stdout
python extract_otp_secret_keys.py --csv - example_export.txt
python src/extract_otp_secrets.py --csv - example_export.txt
### Printing otp secrets csv to stdout without header line
python extract_otp_secret_keys.py --csv - example_*.png | tail -n+2
python src/extract_otp_secrets.py --csv - example_*.png | tail -n+2
### Reading from stdin and printing to stdout
cat example_*.txt | python extract_otp_secret_keys.py --csv - - | tail -n+2
cat example_*.txt | python src/extract_otp_secrets.py --csv - - | tail -n+2
## Features
* Free and open source
* Supports Google Authenticator exports (and compatible apps like Aegis Authenticator)
* All functionality in one Python script: extract_otp_secret_keys.py (except protobuf generated code in protobuf_generated_python)
* Supports TOTP and HOTP
* Captures the the QR codes directly from the camera using different QR code libraries (based on OpenCV)
* ZBAR: [pyzbar](https://github.com/NaturalHistoryMuseum/pyzbar) - fast and reliable, good for images and video capture (default and recommended)
* QREADER: [QReader](https://github.com/Eric-Canas/QReader)
* QREADER_DEEP: [QReader](https://github.com/Eric-Canas/QReader) - very slow in GUI
* CV2: [QRCodeDetector](https://docs.opencv.org/4.x/de/dc3/classcv_1_1QRCodeDetector.html)
* CV2_WECHAT: [WeChatQRCode](https://docs.opencv.org/4.x/dd/d63/group__wechat__qrcode.html)
* Supports TOTP and HOTP standards
* Generates QR codes
* Reads QR Code images
* Exports to various formats:
* CSV
* JSON
* Dedicated CSV for KeePass
* QR code images
* Supports reading from stdin and writing to stdout
* Reads from various import image formats containing export QR codes: (See [OpenCV docu](https://docs.opencv.org/3.4/d4/da8/group__imgcodecs.html#ga288b8b3da0892bd651fce07b3bbd3a56))
* Supports reading from stdin and writing to stdout, thus pipes can be used
* Reads QR codes images: (See [OpenCV docu](https://docs.opencv.org/4.x/d4/da8/group__imgcodecs.html#ga288b8b3da0892bd651fce07b3bbd3a56))
* Portable Network Graphics - *.png
* WebP - *.webp
* JPEG files - *.jpeg, *.jpg, *.jpe
@ -161,23 +199,27 @@ The zbar DLLs are included with the Windows Python wheels. On other operating sy
* Windows bitmaps - *.bmp, *.dib
* JPEG 2000 files - *.jp2
* Portable image format - *.pbm, *.pgm, *.ppm *.pxm, *.pnm
* Sun rasters - *.sr, *.ras
* OpenEXR Image files - *.exr
* Radiance HDR - *.hdr, *.pic
* Raster and Vector geospatial data supported by GDAL
* Errors and warnings are written to stderr
* Prints errors and warnings to stderr
* Prints colored output
* Many ways to run the script:
* Native Python
* pipenv
* pip
* venv
* Docker
* VSCode devcontainer
* devbox
* pip
* Compatible with multiple platforms (tested by CI):
* Prebuilt Docker images provided for amd64 and arm64
* Compatible with major platforms:
* Linux
* macOS
* Windows
* Uses UTF-8 on all platforms
* Supports Python >= 3.7
* Provides a debug mode (-d) for analyzing import problems
* Written in modern Python using type hints and following best practices
* All these features are backed by tests ran nightly
* All functionality in one Python script: src/extract_otp_secrets.py (except protobuf generated code in protobuf_generated_python)
## KeePass
@ -224,10 +266,12 @@ The data parameter is a base64 encoded proto3 message (Google Protocol Buffers).
Command for regeneration of Python code from proto3 message definition file (only necessary in case of changes of the proto3 message definition or new protobuf versions):
protoc --python_out=protobuf_generated_python google_auth.proto
protoc --plugin=protoc-gen-mypy=path/to/protoc-gen-mypy --python_out=src/protobuf_generated_python --mypy_out=src/protobuf_generated_python src/google_auth.proto
The generated protobuf Python code was generated by protoc 21.12 (https://github.com/protocolbuffers/protobuf/releases/tag/v21.12).
For Python type hint generation the [mypy-protobuf](https://github.com/nipunn1313/mypy-protobuf) package is used.
## References
* Proto3 documentation: https://developers.google.com/protocol-buffers/docs/pythontutorial
@ -247,40 +291,49 @@ The generated protobuf Python code was generated by protoc 21.12 (https://github
### pip
```
pip install git+https://github.com/scito/extract_otp_secret_keys
python -m extract_otp_secret_keys
pip install -U git+https://github.com/scito/extract_otp_secrets
python -m extract_otp_secrets
```
#### Example
or from a specific tag
```
wget https://raw.githubusercontent.com/scito/extract_otp_secret_keys/master/example_export.txt
python -m extract_otp_secret_keys example_export.txt
pip install -U git+https://github.com/scito/extract_otp_secrets.git@v2.0.0
python -m extract_otp_secrets
curl -s https://raw.githubusercontent.com/scito/extract_otp_secrets/master/example_export.txt | python -m extract_otp_secrets -
```
### local pip
```
git clone https://github.com/scito/extract_otp_secrets.git
pip install -U -e extract_otp_secrets
python -m extract_otp_secrets example_export.txt
```
### pipenv
You can you use [Pipenv](https://github.com/pypa/pipenv) for running extract_otp_secret_keys.
You can you use [Pipenv](https://github.com/pypa/pipenv) for running extract_otp_secrets.
```
pipenv --rm
pipenv install
pipenv shell
python extract_otp_secret_keys.py example_export.txt
python src/extract_otp_secrets.py example_export.txt
```
### Visual Studio Code Remote - Containers / VSCode devcontainer
You can you use [VSCode devcontainer](https://code.visualstudio.com/docs/remote/containers-tutorial) for running extract_otp_secret_keys.
You can you use [VSCode devcontainer](https://code.visualstudio.com/docs/remote/containers-tutorial) for running extract_otp_secrets.
Requirement: Docker
1. Start VSCode
2. Open extract_otp_secret_keys.code-workspace
2. Open extract_otp_secrets.code-workspace
3. Open VSCode command palette (Ctrl-Shift-P)
4. Type command "Remote-Containers: Reopen in Container"
5. Open integrated bash terminal in VSCode
6. Execute: python extract_otp_secret_keys.py example_export.txt
6. Execute: python src/extract_otp_secrets.py example_export.txt
### venv
@ -288,8 +341,8 @@ Alternatively, you can use a python virtual env for the dependencies:
python -m venv venv
. venv/bin/activate
pip install -r requirements-dev.txt
pip install -r requirements.txt
pip install -U -r requirements-dev.txt
pip install -U -r requirements.txt
The requirements\*.txt files contain all the dependencies (also the optional ones).
To leave the python virtual env just call `deactivate`.
@ -302,41 +355,51 @@ Install [devbox](https://github.com/jetpack-io/devbox), which is a wrapper for n
devbox shell
```
### Docker
### docker
Install [Docker](https://docs.docker.com/get-docker/).
Build and run the app within the container:
Prebuilt docker images are available for amd64 and arm64 architectures on [Docker Hub](https://hub.docker.com/repository/docker/scit0/extract_otp_secrets) and on [GitHub Packages](https://github.com/users/scito/packages/container/package/extract_otp_secrets).
```bash
docker build . -t extract_otp_secret_keys --pull
docker run --rm -v "$(pwd)":/files:ro extract_otp_secret_keys example_export.txt
docker run --rm -v "$(pwd)":/files:ro extract_otp_secret_keys example_export.png
Extracting from an QR image file:
```
docker login -u USERNAME
curl -s https://raw.githubusercontent.com/scito/extract_otp_secrets/master/example_export.png | docker run --pull always -i --rm -v "$(pwd)":/files:ro scit0/extract_otp_secrets =
```
docker run --rm -v "$(pwd)":/files:ro -i extract_otp_secret_keys = < example_export.png
docker run --entrypoint /bin/bash -it --rm -v "$(pwd)":/files:ro extract_otp_secret_keys
docker run --entrypoint /extract/run_pytest.sh --rm -v "$(pwd)":/files:ro extract_otp_secret_keys
Capturing from camera in GUI (X Window system required on host):
docker build . -t extract_otp_secret_keys_no_qr_reader -f Dockerfile_no_qr_reader --pull
docker build . -t extract_otp_secret_keys_no_qr_reader -f Dockerfile_no_qr_reader --pull --build-arg run_tests=false
docker run --entrypoint /extract/run_pytest.sh --rm -v "$(pwd)":/files:ro extract_otp_secret_keys_no_qr_reader
docker run --entrypoint /extract/run_pytest.sh --rm -v "$(pwd)":/files:ro extract_otp_secret_keys_no_qr_reader test_extract_otp_secret_keys_pytest.py -k "not qreader"
docker run --rm -v "$(pwd)":/files:ro extract_otp_secret_keys_no_qr_reader example_export.txt
docker run --rm -v "$(pwd)":/files:ro -i extract_otp_secret_keys_no_qr_reader - < example_export.txt
docker build . -t extract_otp_secret_keys_no_qr_reader -f Dockerfile_no_qr_reader --pull && docker run --entrypoint /extract/run_pytest.sh --rm -v "$(pwd)":/files:ro extract_otp_secret_keys_no_qr_reader test_extract_otp_secret_keys_pytest.py -k "not qreader" -vvv --relaxed -s
```
docker run --pull always --rm -v "$(pwd)":/files:ro -i --device="/dev/video0:/dev/video0" --env="DISPLAY" -v /tmp/.X11-unix:/tmp/.X11-unix:ro scit0/extract_otp_secrets
```
docker pull scit0/extract_otp_secret_keys
docker pull scit0/extract_otp_secret_keys_no_qr_reader
If only text processing is required, there is a small Image based on Alpine Linux:
docker pull ghcr.io/scito/extract_otp_secret_keys
docker pull ghcr.io/scito/extract_otp_secret_keys_no_qr_reader
```
curl -s https://raw.githubusercontent.com/scito/extract_otp_secrets/master/example_export.txt | docker run --pull always -i --rm -v "$(pwd)":/files:ro scit0/extract_otp_secrets:latest-only-txt -
```
Docker image from GitHub:
```
docker login ghcr.io -u USERNAME
curl -s https://raw.githubusercontent.com/scito/extract_otp_secrets/master/example_export.png | docker run --pull always -i --rm -v "$(pwd)":/files:ro ghcr.io/scito/extract_otp_secrets =
```
### More docker examples
docker run --pull always --rm -v "$(pwd)":/files:ro scit0/extract_otp_secrets example_export.png
docker run --pull always --rm -i -v "$(pwd)":/files:ro scit0/extract_otp_secrets_only_txt - < example_export.txt
cat example_export.txt | docker run --pull always --rm -i -v "$(pwd)":/files:ro scit0/extract_otp_secrets:latest_only_txt - -c - > example_out.csv
## Tests
### PyTest
There are basic [pytest](https://pytest.org)s, see `test_extract_otp_secret_keys_pytest.py`.
The script is covered by [pytest](https://pytest.org)s, see `extract_otp_secrets_test.py`.
Run tests:
@ -348,9 +411,19 @@ or
python -m pytest
```
#### Hints
Your tests can run against an installed version after executing pip install .
Your tests can run against the local copy with an editable install after executing pip install --editable .
If you dont use an editable install and are relying on the fact that Python by default puts the current directory in sys.path to import your package, you can execute python -m pytest to execute the tests against the local copy directly, without using pip.
https://docs.pytest.org/en/7.1.x/explanation/pythonpath.html#pytest-vs-python-m-pytest
### unittest
There are basic [unittest](https://docs.python.org/3.10/library/unittest.html)s, see `test_extract_otp_secret_keys_unittest.py`.
There are some [unittest](https://docs.python.org/3.10/library/unittest.html)s, see `extract_otp_secrets_txt_unit_test.py`.
Run tests:
@ -358,6 +431,8 @@ Run tests:
python -m unittest
```
Note the `pytest`s are preferred and complete. For each unittest there is also a test in `pytest`.
### VSCode Setup
Setup for running the tests in VSCode.
@ -367,7 +442,18 @@ Setup for running the tests in VSCode.
3. Choose unittest or pytest. (pytest is recommended, both are supported)
4. Set ". Root" directory
## Maintenance
## Development
### Build
```
pip install -U -e .
python src/extract_otp_secrets.py
pip wheel .
```
Note: `python -m build --wheel` = `pip wheel --no-deps .`
### Upgrade pip Packages
@ -375,6 +461,59 @@ Setup for running the tests in VSCode.
pip install -U -r requirements.txt
```
### Build docker images
Build and run the app within the container:
```bash
docker build . -t extract_otp_secrets --pull --build-arg RUN_TESTS=false
```
```bash
docker build . -t extract_otp_secrets_only_txt --pull -f Dockerfile_only_txt --build-arg RUN_TESTS=false
```
Run tests in docker container:
```bash
docker run --entrypoint /extract/run_pytest.sh --rm -v "$(pwd)":/files:ro extract_otp_secrets
```
```bash
docker run --entrypoint /extract/run_pytest.sh --rm -v "$(pwd)":/files:ro extract_otp_secrets_only_txt extract_otp_secrets_test.py -k "not qreader" --relaxed
```
## Issues
* Known issue for macOS: https://github.com/opencv/opencv/issues/23072
## Problems and Troubleshooting
### Windows error message
If you see an ugly ImportError on Windows you will most likely need the [Visual C++ Redistributable Packages for Visual Studio 2013](https://www.microsoft.com/en-US/download/details.aspx?id=40784). Install vcredist_x64.exe if using 64-bit Python, vcredist_x86.exe if using 32-bit Python.
This library shared library is required by [pyzbar](https://pypi.org/project/pyzbar/).
```
Traceback (most recent call last):
File "C:\Users\Admin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0\LocalCache\local-packages\Python311\site-packages\pyzbar\zbar_library.py", line 58, in load
dependencies, libzbar = load_objects(Path(''))
^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\Admin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0\LocalCache\local-packages\Python311\site-packages\pyzbar\zbar_library.py", line 50, in load_objects
deps = [
^
File "C:\Users\Admin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0\LocalCache\local-packages\Python311\site-packages\pyzbar\zbar_library.py", line 51, in <listcomp>
cdll.LoadLibrary(str(directory.joinpath(dep)))
File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.11_3.11.496.0_x64__qbz5n2kfra8p0\Lib\ctypes\__init__.py", line 454, in LoadLibrary
return self._dlltype(name)
^^^^^^^^^^^^^^^^^^^
File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.11_3.11.496.0_x64__qbz5n2kfra8p0\Lib\ctypes\__init__.py", line 376, in __init__
self._handle = _dlopen(self._name, mode)
^^^^^^^^^^^^^^^^^^^^^^^^^
FileNotFoundError: Could not find module 'libiconv.dll' (or one of its dependencies). Try using the full path with constructor syntax.
```
## Related projects
* [ZBar](https://github.com/mchehab/zbar) is an open source software suite for reading bar codes from various sources, including webcams.
@ -382,11 +521,10 @@ pip install -U -r requirements.txt
* [Android OTP Extractor](https://github.com/puddly/android-otp-extractor) can extract your tokens from popular Android OTP apps and export them in a standard format or just display them as QR codes for easy importing. [Requires a _rooted_ Android phone.]
* [Python QReader](https://github.com/Eric-Canas/QReader)
* [pyzbar](https://github.com/NaturalHistoryMuseum/pyzbar)
* [OpenCV](https://docs.opencv.org/4.x/) (CV2) Open Source Computer Vision library with [opencv-python](https://github.com/opencv/opencv-python)
***
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