Ed-1879 Remove requests import in symmath

ssemenova · ssemenova · commit 8030f82e1c0b · 2017-12-12T15:57:42.000-05:00
diff --git a/common/lib/capa/capa/tests/test_responsetypes.py b/common/lib/capa/capa/tests/test_responsetypes.py
@@ -308,34 +308,6 @@ def test_show_answer(self):
 class SymbolicResponseTest(ResponseTest):  # pylint: disable=missing-docstring
     xml_factory_class = SymbolicResponseXMLFactory
 
-    def test_grade_single_input_correct(self):
-        problem = self.build_problem(math_display=True, expect="2*x+3*y")
-
-        # Correct answers
-        correct_inputs = [
-            ('2x+3y', textwrap.dedent("""
-                <math xmlns="http://www.w3.org/1998/Math/MathML">
-                    <mstyle displaystyle="true">
-                    <mn>2</mn><mo>*</mo><mi>x</mi><mo>+</mo><mn>3</mn><mo>*</mo><mi>y</mi>
-                    </mstyle></math>"""),
-             'snuggletex_2x+3y.xml'),
-
-            ('x+x+3y', textwrap.dedent("""
-                <math xmlns="http://www.w3.org/1998/Math/MathML">
-                    <mstyle displaystyle="true">
-                    <mi>x</mi><mo>+</mo><mi>x</mi><mo>+</mo><mn>3</mn><mo>*</mo><mi>y</mi>
-                    </mstyle></math>"""),
-             'snuggletex_x+x+3y.xml'),
-        ]
-
-        for (input_str, input_mathml, server_fixture) in correct_inputs:
-            print "Testing input: {0}".format(input_str)
-            server_resp = load_fixture(server_fixture)
-            self._assert_symbolic_grade(
-                problem, input_str, input_mathml,
-                'correct', snuggletex_resp=server_resp
-            )
-
     def test_grade_single_input_incorrect(self):
         problem = self.build_problem(math_display=True, expect="2*x+3*y")
 
@@ -352,23 +324,6 @@ def test_grade_single_input_incorrect(self):
         for (input_str, input_mathml) in incorrect_inputs:
             self._assert_symbolic_grade(problem, input_str, input_mathml, 'incorrect')
 
-    def test_complex_number_grade_correct(self):
-        problem = self.build_problem(
-            math_display=True,
-            expect="[[cos(theta),i*sin(theta)],[i*sin(theta),cos(theta)]]",
-            options=["matrix", "imaginary"]
-        )
-
-        correct_snuggletex = load_fixture('snuggletex_correct.html')
-        dynamath_input = load_fixture('dynamath_input.txt')
-        student_response = "cos(theta)*[[1,0],[0,1]] + i*sin(theta)*[[0,1],[1,0]]"
-
-        self._assert_symbolic_grade(
-            problem, student_response, dynamath_input,
-            'correct',
-            snuggletex_resp=correct_snuggletex
-        )
-
     def test_complex_number_grade_incorrect(self):
 
         problem = self.build_problem(math_display=True,
diff --git a/common/lib/symmath/setup.py b/common/lib/symmath/setup.py
@@ -2,7 +2,7 @@
 
 setup(
     name="symmath",
-    version="0.1",
+    version="0.2",
     packages=["symmath"],
     install_requires=[
         "sympy==0.7.1",
diff --git a/common/lib/symmath/symmath/formula.py b/common/lib/symmath/symmath/formula.py
@@ -21,7 +21,6 @@
 from copy import deepcopy
 from xml.sax.saxutils import unescape
 
-import requests
 import sympy
 from lxml import etree
 from sympy import latex, sympify
@@ -428,10 +427,7 @@ def get_content_mathml(self):
             return "<html>Error! Cannot process pmathml</html>"
         pmathml = etree.tostring(xml, pretty_print=True)
         self.the_pmathml = pmathml  # pylint: disable=attribute-defined-outside-init
-
-        # convert to cmathml
-        self.the_cmathml = self.GetContentMathML(self.asciimath, pmathml)
-        return self.the_cmathml
+        return self.the_pmathml
 
     cmathml = property(get_content_mathml, None, None, 'content MathML representation')
 
@@ -586,35 +582,3 @@ def parse_presentation_symbol(xml):
             raise Exception('[formula] unknown tag %s' % tag)
 
     sympy = property(make_sympy, None, None, 'sympy representation')
-
-    def GetContentMathML(self, asciimath, mathml):  # pylint: disable=invalid-name
-        """
-        Handle requests to snuggletex API to convert the Ascii math to MathML
-        """
-        url = 'https://math-xserver.mitx.mit.edu/snuggletex-webapp-1.2.2/ASCIIMathMLUpConversionDemo'
-
-        payload = {
-            'asciiMathInput': asciimath,
-            'asciiMathML': mathml,
-        }
-        headers = {
-            'User-Agent': "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.13) Gecko/20080311 Firefox/2.0.0.13"
-        }
-        request = requests.post(url, data=payload, headers=headers, verify=False)
-        request.encoding = 'utf-8'
-        ret = request.text
-
-        mode = 0
-        cmathml = []
-        for k in ret.split('\n'):
-            if 'conversion to Content MathML' in k:
-                mode = 1
-                continue
-            if mode == 1:
-                if '<h3>Maxima Input Form</h3>' in k:
-                    mode = 0
-                    continue
-                cmathml.append(k)
-        cmathml = '\n'.join(cmathml[2:])
-        cmathml = '<math xmlns="http://www.w3.org/1998/Math/MathML">\n' + unescape(cmathml) + '\n</math>'
-        return cmathml
