Trac #24743: more use of https links for wikipedia links

except in rst files and graph folder

URL: https://trac.sagemath.org/24743
Reported by: chapoton
Ticket author(s): Frédéric Chapoton
Reviewer(s): Travis Scrimshaw

Author: Release Manager

src/sage/categories/category_singleton.pyx

@@ -89,7 +89,7 @@ class Category_singleton(Category):
 
     A *singleton* category is a category whose class takes no
     parameters like ``Fields()`` or ``Rings()``. See also the
-    `Singleton design pattern <http://en.wikipedia.org/wiki/Singleton_pattern>`_.
+    `Singleton design pattern <https://en.wikipedia.org/wiki/Singleton_pattern>`_.
 
     This is a subclass of :class:`Category`, with a couple
     optimizations for singleton categories.

src/sage/databases/oeis.py

@@ -554,7 +554,7 @@ def _imaginary_entry(self, keywords=''):
                 '%D A999999 Lewis Carroll, Alice\'s Adventures in Wonderland.\n'
                 '%D A999999 Lewis Carroll, The Hunting of the Snark.\n'
                 '%D A999999 Deep Thought, The Answer to the Ultimate Question of Life, The Universe, and Everything.\n'
-                '%H A999999 Wikipedia, <a href="http://en.wikipedia.org/wiki/42_(number)">42 (number)</a>\n'
+                '%H A999999 Wikipedia, <a href="https://en.wikipedia.org/wiki/42_(number)">42 (number)</a>\n'
                 '%H A999999 See. also <a href="https://trac.sagemath.org/sage_trac/ticket/42">trac ticket #42</a>\n'
                 '%H A999999 Do not confuse with the sequence <a href="/A000042">A000042</a> or the sequence <a href="/A000024">A000024</a>\n'
                 '%H A999999 The string http://42.com is not a link.\n'
@@ -1465,7 +1465,7 @@ def links(self, browse=None, format='guess'):
             'http://oeis.org/A000024'
 
             sage: HTML = s.links(format="html");  HTML
-            0: Wikipedia, <a href="http://en.wikipedia.org/wiki/42_(number)">42 (number)</a>
+            0: Wikipedia, <a href="https://en.wikipedia.org/wiki/42_(number)">42 (number)</a>
             1: See. also <a href="https://trac.sagemath.org/sage_trac/ticket/42">trac ticket #42</a>
             ...
             sage: type(HTML)

src/sage/interacts/library.py

@@ -290,7 +290,7 @@ def difference_quotient(
     """
     html('<h2>Difference Quotient</h2>')
     html('<div style="white-space: normal;">\
-         <a href="http://en.wikipedia.org/wiki/Difference_quotient" target="_blank">\
+         <a href="https://en.wikipedia.org/wiki/Difference_quotient" target="_blank">\
          Wikipedia article about difference quotient</a></div>'
          )
 

src/sage/interacts/test_jupyter.rst

@@ -86,7 +86,7 @@ Test all interacts from the Sage interact library::
       a: IntSlider(value=5, description=u'$a$', max=10)
       x0: IntSlider(value=2, description=u'$x_0$ (start point)', max=10)
     <h2>Difference Quotient</h2>
-    <div style="white-space: normal;">         <a href="http://en.wikipedia.org/wiki/Difference_quotient" target="_blank">         Wikipedia article about difference quotient</a></div>
+    <div style="white-space: normal;">         <a href="https://en.wikipedia.org/wiki/Difference_quotient" target="_blank">         Wikipedia article about difference quotient</a></div>
     <h2>Difference Quotient</h2>
     <br><script type="math/tex">\text{Line's equation:}</script>
     <script type="math/tex">y = 1/3*(x - 5)*(sin(5) - sin(2)) + sin(5)</script><br>

src/sage/numerical/mip.pyx

@@ -2,9 +2,9 @@ r"""
 Mixed Integer Linear Programming
 
 This module implements classes and methods for the efficient solving of Linear
-Programs (`LP <http://en.wikipedia.org/wiki/Linear_programming>`_) and Mixed
-Integer Linear Programs (`MILP
-<http://en.wikipedia.org/wiki/Mixed_integer_linear_programming>`_).
+Programs (:wikipedia:`LP <Linear_programming>`) and Mixed
+Integer Linear Programs (:wikipedia:`MILP
+<Mixed_integer_linear_programming>`).
 
 *Do you want to understand how the simplex method works?* See the
 :mod:`~sage.numerical.interactive_simplex_method` module (educational purposes
@@ -13,8 +13,8 @@ only)
 Definition
 ----------
 
-A linear program (`LP <http://en.wikipedia.org/wiki/Linear_programming>`_)
-is an `optimization problem <http://en.wikipedia.org/wiki/Optimization_%28mathematics%29>`_
+A linear program (:wikipedia:`LP <Linear_programming>`)
+is an optimization problem (:wikipedia:`Optimization_(mathematics)`)
 in the following form
 
 .. MATH::
@@ -24,7 +24,7 @@ with given `A \in \mathbb{R}^{m,n}`, `b \in \mathbb{R}^m`,
 `c \in \mathbb{R}^n` and unknown `x \in \mathbb{R}^{n}`.
 If some or all variables in the vector `x` are restricted over
 the integers `\mathbb{Z}`, the problem is called mixed integer
-linear program (`MILP <http://en.wikipedia.org/wiki/Mixed_integer_linear_programming>`_).
+linear program (:wikipedia:`MILP <Mixed_integer_linear_programming>`).
 A wide variety of problems in optimization
 can be formulated in this standard form. Then, solvers are
 able to calculate a solution.
@@ -1393,8 +1393,8 @@ cdef class MixedIntegerLinearProgram(SageObject):
             Writing problem data to ...
             17 records were written
 
-        For information about the MPS file format :
-        http://en.wikipedia.org/wiki/MPS_%28format%29
+        For information about the MPS file format, see
+        :wikipedia:`MPS_(format)`
         """
         self._backend.write_mps(filename, modern)
 

src/sage/numerical/sdp.pyx

@@ -1,8 +1,8 @@
 r"""
 SemiDefinite Programming
 
-A semidefinite program (`SDP <http://en.wikipedia.org/wiki/Semidefinite_programming>`_)
-is an `optimization problem <http://en.wikipedia.org/wiki/Optimization_%28mathematics%29>`_
+A semidefinite program (:wikipedia:`SDP <Semidefinite_programming>`)
+is an optimization problem (:wikipedia:`Optimization_(mathematics)>`)
 of the following form
 
 .. MATH::

src/sage/plot/plot3d/parametric_plot3d.py

@@ -380,7 +380,7 @@ def g(x,y): return x, y+sin(y), x**2 + y**2
         f_z = v
         sphinx_plot(parametric_plot3d([f_x, f_y, f_z], (u,-pi,pi), (v,-1,1), frame=False, color="red"))
 
-    A Trefoil knot https://en.wikipedia.org/wiki/Trefoil_knot::
+    A Trefoil knot (:wikipedia:`Trefoil_knot`)::
 
         sage: u, v = var('u,v')
         sage: f_x = (4*(1+0.25*sin(3*v))+cos(u))*cos(2*v)
@@ -414,7 +414,7 @@ def g(x,y): return x, y+sin(y), x**2 + y**2
         f_z = cos(u) / (1 + sqrt(2))
         sphinx_plot(parametric_plot3d([f_x, f_y, f_z], (u,-pi,pi), (v,-pi,pi), frame=False, color="green"))
 
-    Boy's surface http://en.wikipedia.org/wiki/Boy's_surface and http://mathcurve.com/surfaces/boy/boy.shtml::
+    Boy's surface (:wikipedia:`Boy's_surface` and https://mathcurve.com/surfaces/boy/boy.shtml)::
 
         sage: u, v = var('u,v')
         sage: K = cos(u) / (sqrt(2) - cos(2*u)*sin(3*v))
@@ -436,7 +436,7 @@ def g(x,y): return x, y+sin(y), x**2 + y**2
                               plot_points=[90,90], frame=False, color="orange") # long time -- about 30 seconds
         sphinx_plot(P)
 
-    Maeder's Owl also known as Bour's minimal surface https://en.wikipedia.org/wiki/Bour%27s_minimal_surface::
+    Maeder's Owl also known as Bour's minimal surface (:wikipedia:`Bour%27s_minimal_surface`)::
 
         sage: u, v = var('u,v')
         sage: f_x = v*cos(u) - 0.5*v^2*cos(2*u)
@@ -527,8 +527,7 @@ def g(x,y): return x, y+sin(y), x**2 + y**2
         f_z = sin(v)
         sphinx_plot(parametric_plot3d([f_x, f_y, f_z], (u,0,2*pi), (v,0,2*pi), frame=False, color="green"))
 
-    Yellow Whitney's umbrella
-    http://en.wikipedia.org/wiki/Whitney_umbrella::
+    Yellow Whitney's umbrella (:wikipedia:`Whitney_umbrella`)::
 
         sage: u, v = var('u,v')
         sage: f_x = u*v
@@ -545,7 +544,7 @@ def g(x,y): return x, y+sin(y), x**2 + y**2
         f_z = v**2
         sphinx_plot(parametric_plot3d([f_x, f_y, f_z], (u,-1,1), (v,-1,1), frame=False, color="yellow"))
 
-    Cross cap http://en.wikipedia.org/wiki/Cross-cap::
+    Cross cap (:wikipedia:`Cross-cap`)::
 
         sage: u, v = var('u,v')
         sage: f_x = (1+cos(v)) * cos(u)
@@ -597,8 +596,8 @@ def g(x,y): return x, y+sin(y), x**2 + y**2
         sphinx_plot(parametric_plot3d([f_x, f_y, f_z], (u,0,4*pi), (v,0,2*pi), frame=False, color="red", opacity=0.7))
 
     Steiner surface/Roman's surface (see
-    http://en.wikipedia.org/wiki/Roman_surface and
-    http://en.wikipedia.org/wiki/Steiner_surface)::
+    :wikipedia:`Roman_surface` and
+    :wikipedia:`Steiner_surface`)::
 
         sage: u, v = var('u,v')
         sage: f_x = (sin(2*u) * cos(v) * cos(v))
@@ -615,7 +614,7 @@ def g(x,y): return x, y+sin(y), x**2 + y**2
         f_z = (cos(u) * sin(2*v))
         sphinx_plot(parametric_plot3d([f_x, f_y, f_z], (u,-pi/2,pi/2), (v,-pi/2,pi/2), frame=False, color="red"))
 
-    Klein bottle? (see http://en.wikipedia.org/wiki/Klein_bottle)::
+    Klein bottle? (see :wikipedia:`Klein_bottle`)::
 
         sage: u, v = var('u,v')
         sage: f_x = (3*(1+sin(v)) + 2*(1-cos(v)/2)*cos(u)) * cos(v)
@@ -633,7 +632,7 @@ def g(x,y): return x, y+sin(y), x**2 + y**2
         sphinx_plot(parametric_plot3d([f_x, f_y, f_z], (u,0,2*pi), (v,0,2*pi), frame=False, color="green"))
 
     A Figure 8 embedding of the Klein bottle (see
-    http://en.wikipedia.org/wiki/Klein_bottle)::
+    :wikipedia:`Klein_bottle`)::
 
         sage: u, v = var('u,v')
         sage: f_x = (2+cos(v/2)*sin(u)-sin(v/2)*sin(2*u)) * cos(v)
@@ -651,7 +650,7 @@ def g(x,y): return x, y+sin(y), x**2 + y**2
         sphinx_plot(parametric_plot3d([f_x, f_y, f_z], (u,0,2*pi), (v,0,2*pi), frame=False, color="red"))
 
     Enneper's surface (see
-    http://en.wikipedia.org/wiki/Enneper_surface)::
+    :wikipedia:`Enneper_surface`)::
 
         sage: u, v = var('u,v')
         sage: f_x = u - u^3/3 + u*v^2
@@ -861,7 +860,7 @@ def g(x,y): return x, y+sin(y), x**2 + y**2
         sphinx_plot(parametric_plot3d([f_x, f_y, f_z], (u,-pi,pi), (v,-pi,pi), plot_points=[50,50], frame=False, color="red"))
 
     A Helicoid (lines through a helix,
-    http://en.wikipedia.org/wiki/Helix)::
+    :wikipedia:`Helix`)::
 
         sage: u, v = var('u,v')
         sage: f_x = sinh(v) * sin(u)
@@ -932,7 +931,7 @@ def g(x,y): return x, y+sin(y), x**2 + y**2
         sphinx_plot(parametric_plot3d([f_x, f_y, f_z], (u,-25,25), (v,-25,25), plot_points=[50,50], frame=False, color="green"))
 
     The breather surface
-    (http://en.wikipedia.org/wiki/Breather_surface)::
+    (:wikipedia:`Breather_surface`)::
 
         sage: K = sqrt(0.84)
         sage: G = (0.4*((K*cosh(0.4*u))^2 + (0.4*sin(K*v))^2))