Wolfram Alpha

cli.py

@@ -7,7 +7,22 @@
 
 def main():
     if len(sys.argv) == 0:
-        sys.stderr("Pass a latex formated string to evaluate")
+        sys.stderr.write("Pass a latex formated string to evaluate")
+        return
+    if sys.argv[1] == "-wak":  # Wolfram alpha backend
+        try:
+            from wolframalpha import Client
+        except ModuleNotFoundError:
+            sys.stderr.write("Run pip install wolframalpha")
+            return
+        if len(sys.argv) < 4:
+            sys.stderr.write("Pass in the wolframalpha key after -wak and the query after it")
+            return
+        client = Client(sys.argv[2])
+        res = client.query(" ".join(sys.argv[3:]))
+        for pod in res.pods:
+            for sub in pod.subpods:
+                print(sub.plaintext)
         return
     try:
         for r in solve(" ".join(sys.argv[1:])):

texsolver.el

@@ -15,14 +15,17 @@
 ;;; Code:
 
 (defvar texsolver-cli-path "~/bin/texsolver.py")
+(defvar texsolver-wolframalpha-key "")
 
-(defun texsolver-suggest-text (text)
+(defun texsolver-suggest-text (text &optional extra-args)
   "Get suggestions for text"
+  (or extra-args
+      (setq extra-args ""))
   (if (file-exists-p texsolver-cli-path)
       (progn (message "Running...")
-             (let ((output (shell-command-to-string (format "%s \"%s\"" (expand-file-name
-                                                                         texsolver-cli-path)
-                                                            texsolver-last-text))))
+             (let ((output (shell-command-to-string (format "%s %s \"%s\"" (expand-file-name
+                                                                            texsolver-cli-path)
+                                                            extra-args texsolver-last-text))))
                (if (> (string-width output) 0)
                    (progn
                      (setq texsolver-list (split-string output "\n"))
@@ -52,5 +55,20 @@
          end))
   (texsolver-suggest-text texsolver-last-text))
 
+(defun texsolver-worlfram-query (query)
+  "Users wolfram alpha backend. Requires texsolver-worlframalpha-key"
+  (interactive "sWA Query: ")
+  (setq texsolver-last-text query)
+  (texsolver-suggest-text query (format "-wak %s" texsolver-wolframalpha-key)))
+
+(defun texsolver-worlfram-region (start end)
+  "Users wolfram alpha backend. Requires texsolver-worlframalpha-key"
+  (interactive "r")
+  (setq texsolver-last-text
+        (buffer-substring-no-properties
+         start
+         end))
+  (texsolver-suggest-text texsolver-last-text (format "-wak %s" texsolver-wolframalpha-key)))
+
 (provide 'texsolver)
 ;;; texsolver.el ends here

texsuggest.py

@@ -9,7 +9,7 @@
 from sympy.parsing.latex import LaTeXParsingError, parse_latex
 from sympy.plotting import plot as spplot
 
-SYMPY_SOLVERS = ["simplify", "expand", "doit"]
+SYMPY_SOLVERS = ["simplify", "expand", "doit", "doit_numerically"]
 
 def _parse_latex(*args):
     with contextlib.redirect_stdout(None):