From 26e429f4ca9039c3c1af44f2a88bfb094c3a7a0b Mon Sep 17 00:00:00 2001
From: Kenneth Reitz <me@kennethreitz.org>
Date: Mon, 26 Feb 2018 11:48:57 -0500
Subject: [PATCH] extras, browser!

Signed-off-by: Kenneth Reitz <me@kennethreitz.org>
---
 Pipfile          |  2 ++
 requests_html.py | 57 +++++++++++++++++++++++++++++++++++++++++++++++-
 setup.py         |  3 +++
 3 files changed, 61 insertions(+), 1 deletion(-)

diff --git a/Pipfile b/Pipfile
index 7af9e51..c0e534d 100644
--- a/Pipfile
+++ b/Pipfile
@@ -12,6 +12,8 @@ pyquery = "*"
 fake-useragent = "*"
 parse = "*"
 "bs4" = "*"
+"Ghost.py" = {git = "git://github.com/carrerasrodrigo/Ghost.py.git", editable = true}
+dukpy = "*"
 
 
 [dev-packages]
diff --git a/requests_html.py b/requests_html.py
index d8429bf..60154e1 100644
--- a/requests_html.py
+++ b/requests_html.py
@@ -1,3 +1,4 @@
+import sys
 from urllib.parse import urlparse, urlunparse
 
 import requests
@@ -9,6 +10,13 @@ from lxml.html.soupparser import fromstring
 from parse import search as parse_search
 from parse import findall
 
+try:
+    from PyQt5.QtWidgets import QApplication
+    from PyQt5.QtWebEngineWidgets import QWebEngineView
+except ImportError:
+    pass
+
+
 DEFAULT_ENCODING = 'utf-8'
 
 useragent = UserAgent()
@@ -222,6 +230,7 @@ def user_agent(style=None):
         return useragent[style]
 
 
+
 class Session(requests.Session):
     """A consumable session, for cookie persistience and connection pooling,
     amongst other things.
@@ -249,5 +258,51 @@ class Session(requests.Session):
         return response
 
 
+class BrowserSession(Session):
+    """A web-browser interpreted session (for JavaScript)."""
+
+    def __init__(self, *args, **kwargs):
+        super(BrowserSession, self).__init__(*args, **kwargs)
+
+    def request(self, *args, **kwargs):
+        r = super(BrowserSession, self).request(*args, **kwargs)
+
+        r._content = self.render(r.text).encode(DEFAULT_ENCODING)
+        r.encoding = 'utf-8'
+
+        r.html = HTML(url=r.url, html=r.text, default_encoding=r.encoding)
+
+        return r
+
+    @staticmethod
+    def render(source_url):
+        """Fully render HTML, JavaScript and all."""
+
+        if not 'QApplication' in globals():
+            raise RuntimeError('PyQt5 must be installed.')
+
+        class Render(QWebEngineView):
+            def __init__(self, html):
+                self.html = None
+                self.app = QApplication([])
+                QWebEngineView.__init__(self)
+                self.loadFinished.connect(self._loadFinished)
+                self.setHtml(html)
+                # self.load(QUrl(url))
+                self.app.exec_()
+
+            def _loadFinished(self, result):
+                # This is an async call, you need to wait for this
+                # to be called before closing the app
+                self.page().toHtml(self._callable)
+
+            def _callable(self, data):
+                self.html = data
+                # Data has been stored, it's safe to quit the app
+                self.app.quit()
+
+        return Render(source_url).html
+
+
 # Backwards compatiblity.
-session = Session()
+session = Session()
\ No newline at end of file
diff --git a/setup.py b/setup.py
index d7f6271..6cd25ec 100644
--- a/setup.py
+++ b/setup.py
@@ -79,6 +79,9 @@ setup(
     author_email=EMAIL,
     url=URL,
     python_requires='>=3.5.0',
+    extras_require={
+        'browser': ['PyQt5'],
+    },
     # If your package is a single module, use this instead of 'packages':
     py_modules=['requests_html'],