[taler-taler-merchant-demos] branch master updated: lint blog

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ms pushed a commit to branch master
in repository taler-merchant-demos.

The following commit(s) were added to refs/heads/master by this push:
     new e9d95ea  lint blog
e9d95ea is described below

commit e9d95eac46687dfea140e2c81bf1dc4270c9976e
Author: MS <ms@taler.net>
AuthorDate: Thu Jul 23 15:39:17 2020 +0200

    lint blog
---
 talermerchantdemos/blog/blog.py | 56 ++++++++++++++++++-----------------------
 1 file changed, 25 insertions(+), 31 deletions(-)

diff --git a/talermerchantdemos/blog/blog.py b/talermerchantdemos/blog/blog.py
index 1bea20b..f23013a 100644
--- a/talermerchantdemos/blog/blog.py
+++ b/talermerchantdemos/blog/blog.py
@@ -18,7 +18,6 @@
 # @brief Implementation of a Taler-compatible blog.
 
 import urllib.parse
-from urllib.parse import urljoin, quote, urlencode
 import logging
 import os
 import traceback
@@ -26,14 +25,14 @@ import uuid
 import qrcode
 import qrcode.image.svg
 import base64
-import requests
 import flask
 import lxml.etree
 import time
+from urllib.parse import urljoin
 from cachelib import UWSGICache, SimpleCache
 from taler.util.talerconfig import TalerConfig
 from ..blog.content import ARTICLES, get_article_file, get_image_file
-import .backend_get .backend_post
+from .httpcommon import backend_get, backend_post
 
 BASE_DIR = os.path.dirname(os.path.abspath(__file__))
 app = flask.Flask(__name__, template_folder=BASE_DIR)
@@ -61,7 +60,6 @@ def utility_processor():
     # These helpers will be available in templates
     def env(name, default=None):
         return os.environ.get(name, default)
-
     return dict(env=env)
 
 
@@ -106,7 +104,6 @@ def index():
 #        so we don't always have to ask the backend / DB, and so we don't
 #        have to store variable-size cookies on the client.
 try:
-    import uwsgi
     paid_articles_cache = UWSGICache(0, "paid_articles")
 except ImportError:
     paid_articles_cache = SimpleCache()
@@ -299,14 +296,14 @@ def article(article_name, data=None):
     pay_status = backend_get(BACKEND_URL, 
"private/orders/{}".format(order_id), params=dict())
     if pay_status.get("paid"):
         # Checks to do:
-        # 
+        #
         # - check that the paid article is actually the one
         #   mentioned in the requested URI.
         #
         # - check if the article was refunded before, and act
         #   accordingly.
         #
-        
+
         # FLOW HERE == ARTICLE PAID AND CAN BE SHOWN.
 
         # Put the article in the cache.
@@ -316,7 +313,7 @@ def article(article_name, data=None):
         # Finally return the article.
         return render_article(article_name, data, order_id)
 
-    elif pay_status.get("already_paid_order_id") is not None:
+    if pay_status.get("already_paid_order_id") is not None:
         return flask.redirect(
             flask.url_for(
                 "article",
@@ -324,27 +321,24 @@ def article(article_name, data=None):
                 order_id=pay_status.get("already_paid_order_id")
             )
         )
-    else:
-        ##
-        # Redirect the browser to a page where the wallet can
-        # run the payment protocol.
-        taler_pay_uri = pay_status["taler_pay_uri"]
-        qrcode_svg = get_qrcode_svg(taler_pay_uri)
-        check_status_url_enc = urllib.parse.quote(
-            flask.url_for(
-                "check_status", order_id=order_id, session_id=session_id
-            )
-        )
-        content = flask.render_template(
-            "templates/request_payment.html",
-            article_name=article_name,
-            taler_pay_uri=taler_pay_uri,
-            qrcode_svg=qrcode_svg,
-            check_status_url_enc=check_status_url_enc
-        )
-        headers = {"Taler": taler_pay_uri}
-        resp = flask.Response(content, status=402, headers=headers)
-        return resp
 
-    # no pay_redirect but article not paid, this should never happen!
-    err_abort(500, message="Internal error, invariant failed", json=pay_status)
+    ##
+    # Redirect the browser to a page where the wallet can
+    # run the payment protocol.
+    taler_pay_uri = pay_status["taler_pay_uri"]
+    qrcode_svg = get_qrcode_svg(taler_pay_uri)
+    check_status_url_enc = urllib.parse.quote(
+        flask.url_for(
+            "check_status", order_id=order_id, session_id=session_id
+        )
+    )
+    content = flask.render_template(
+        "templates/request_payment.html",
+        article_name=article_name,
+        taler_pay_uri=taler_pay_uri,
+        qrcode_svg=qrcode_svg,
+        check_status_url_enc=check_status_url_enc
+    )
+    headers = {"Taler": taler_pay_uri}
+    resp = flask.Response(content, status=402, headers=headers)
+    return resp

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