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garettB / shopify-flask-example

A simple Shopify app created using Flask and Python
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Struggling with pyngrok to use ngrok https 5000 #19

Open SnoopLawg opened 1 year ago

SnoopLawg commented 1 year ago

Sorry for another created issue, this is more than likely user error than the Repo error, but I am quite new to flask development and seem to be making an error. Again I am very appreciative of what I am learning from this repo after studying so much!

  1. I cloned your repo (on mac) with git clone https://github.com/garettB/shopify-flask-example.git
  2. I updated to python 3.11.1 64 bit located now in /usr/local/bin/python3
  3. I changed the requirements of flask to 2.2.2 in requirements.txt
  4. I installed libraries with pip3 install -r requirements.txt
  5. I then run the server locally by doing python3 src/server.py (Output is that it is running on 3 addresses, two of which ending in 5000 which is the default i believe.
  6. I start a new terminal and install Pyngrok with pip install pyngrok (success)
  7. I then use ngrok http 5000 and I get a errors that I do not understand.

The output error code I will paste below but my question is that was I supposed to create a virtual environment before cloning? Or is this some error with ngrok? I am not very knowledgeable of virtual environments and understand they are to create a clean slate where you install all dependencies, thus creating replicable code on different devices but I wonder if I did something wrong here?

Here is the error code after step 7.

File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/urllib/request.py", line 1348, in do_open
    h.request(req.get_method(), req.selector, req.data, headers,
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/http/client.py", line 1282, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/http/client.py", line 1328, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/http/client.py", line 1277, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/http/client.py", line 1037, in _send_output
    self.send(msg)
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/http/client.py", line 975, in send
    self.connect()
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/http/client.py", line 1454, in connect
    self.sock = self._context.wrap_socket(self.sock,
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/ssl.py", line 517, in wrap_socket
    return self.sslsocket_class._create(
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/ssl.py", line 1075, in _create
    self.do_handshake()
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/ssl.py", line 1346, in do_handshake
    self._sslobj.do_handshake()
ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:992)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/pyngrok/installer.py", line 117, in install_ngrok
    download_path = _download_file(url, **kwargs)
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/pyngrok/installer.py", line 261, in _download_file
    response = urlopen(url, **kwargs)
               ^^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/urllib/request.py", line 216, in urlopen
    return opener.open(url, data, timeout)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/urllib/request.py", line 519, in open
    response = self._open(req, data)
               ^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/urllib/request.py", line 536, in _open
    result = self._call_chain(self.handle_open, protocol, protocol +
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/urllib/request.py", line 496, in _call_chain
    result = func(*args)
             ^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/urllib/request.py", line 1391, in https_open
    return self.do_open(http.client.HTTPSConnection, req,
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/urllib/request.py", line 1351, in do_open
    raise URLError(err)
urllib.error.URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:992)>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/3.11/bin/ngrok", line 33, in <module>
    sys.exit(load_entry_point('pyngrok==5.2.1', 'console_scripts', 'ngrok')())
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/pyngrok/ngrok.py", line 517, in main
    run(sys.argv[1:])
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/pyngrok/ngrok.py", line 503, in run
    install_ngrok(pyngrok_config)
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/pyngrok/ngrok.py", line 100, in install_ngrok
    installer.install_ngrok(pyngrok_config.ngrok_path, pyngrok_config.ngrok_version)
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/pyngrok/installer.py", line 121, in install_ngrok
    raise PyngrokNgrokInstallError("An error occurred while downloading ngrok from {}: {}".format(url, e))
pyngrok.exception.PyngrokNgrokInstallError: An error occurred while downloading ngrok from https://bin.equinox.io/c/4VmDzA7iaHb/ngrok-stable-darwin-arm64.zip: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:992)>
Hekter commented 1 year ago

Me again -- just searching that last error led me to this: https://stackoverflow.com/questions/69416222/ssl-problem-with-installing-ngrok-through-pyngrok

It's not a flask / python issue so much as a networking one. If you're behind a firewall of some sort (Cisco Umbrella as an example) that URL might be blocked for whatever reason :\

SnoopLawg commented 1 year ago

Any chance using something else to tunnel would work? Or do I have to figure out what is blocking it?

Hekter commented 1 year ago

Tunneling would work, presuming they haven't also blocked the tunnel :)