fix \n in regext

common/lib/xmodule/xmodule/gst_module.py

@@ -76,7 +76,8 @@ class GraphicalSliderToolModule(XModule):
         plot_def = re.search(r'\$plot[^\$]*\$', html_string)
         if plot_def:
             plot_def = plot_def.group()
-            style = re.search(r'(?=.*style\=[\"\'](.*)[\"\'])', plot_def)
+            style = re.search(r'(?=.*style\=[\"\'](.*)[\"\'])', plot_def,
+                flags=re.UNICODE | re.DOTALL)
             if style:
                 style = style.groups()[0]
             else:  # no style parameter
@@ -105,7 +106,7 @@ class GraphicalSliderToolModule(XModule):
         for var in variables:
             # find $slider var='var' ... $
             instances = re.findall(r'\$slider\s+(?=.*var\=[\"\']' + var + '[\"\'])' \
-                          + r'[^\$]*\$', html_string)
+                          + r'[^\$]*\$', html_string, flags=re.UNICODE | re.DOTALL)
             if instances:  # if presented, only one slider per var
                 slider_def = instances[0]  # get $slider var='var' ... $ string
                 # extract var for proper style extraction further
@@ -113,7 +114,8 @@ class GraphicalSliderToolModule(XModule):
                                           slider_def).group()
                 slider_def = slider_def.replace(var_substring, '')
                 # get style
-                style = re.search(r'(?=.*style\=[\"\'](.*)[\"\'])', slider_def)
+                style = re.search(r'(?=.*style\=[\"\'](.*)[\"\'])', slider_def,
+                    flags=re.UNICODE | re.DOTALL)
                 if style:
                     style = style.groups()[0]
                 else:  # no style parameter
@@ -126,7 +128,7 @@ class GraphicalSliderToolModule(XModule):
                 # html div element
                 html_string = re.sub(r'\$slider\s+(?=.*var\=[\"\'](' + \
                     var + ')[\"\'])' + r'[^\$]*\$',
-                replacement, html_string, flags=re.UNICODE)
+                replacement, html_string, flags=re.UNICODE | re.DOTALL)
 
         # substitute inputs if we have them
         input_el = '<input class="{element_class}_input" \
@@ -138,7 +140,7 @@ class GraphicalSliderToolModule(XModule):
             input_index = 0  # make multiple inputs for same variable have
                 # different id
             instances = re.findall(r'\$input\s+(?=.*var\=[\"\']' + var + '[\"\'])' \
-                          + r'[^\$]*\$', html_string)
+                          + r'[^\$]*\$', html_string, flags=re.UNICODE | re.DOTALL)
             # import ipdb; ipdb.set_trace()
             for input_def in instances:  # for multiple inputs per var
                 input_index += 1
@@ -146,13 +148,15 @@ class GraphicalSliderToolModule(XModule):
                 var_substring = re.search(r'(var\=[\"\']' + var + r'[\"\'])',
                                           input_def).group()
                 input_def = input_def.replace(var_substring, '')
-                readonly = re.search(r'(?=.*(readonly\=[\"\'](\w+)[\"\']))', input_def)
+                readonly = re.search(r'(?=.*(readonly\=[\"\'](\w+)[\"\']))', 
+                    input_def, flags=re.UNICODE | re.DOTALL)
                 if readonly:
                     input_def = input_def.replace(readonly.groups()[0], '')
                     readonly = readonly.groups()[1]
                 else:
                     readonly = ''
-                style = re.search(r'(?=.*style\=[\"\'](.*)[\"\'])', input_def)
+                style = re.search(r'(?=.*style\=[\"\'](.*)[\"\'])', input_def,
+                    flags=re.UNICODE | re.DOTALL)
                 if style:
                     style = style.groups()[0]
                 else:
@@ -165,7 +169,7 @@ class GraphicalSliderToolModule(XModule):
                 # import ipdb; ipdb.set_trace()
                 html_string = re.sub(r'\$input\s+(?=.*var\=[\"\'](' + \
                                      var + ')[\"\'])' + r'[^\$]*\$',
-                replacement, html_string, count=1, flags=re.UNICODE)
+                replacement, html_string, count=1, flags=re.UNICODE | re.DOTALL)
         return html_string
 
     def get_configuration(self):