py-requests: fix runtime incompatibility with urllib3 1.25

Closes: https://trac.macports.org/ticket/58382

python/py-requests/Portfile

@@ -5,7 +5,7 @@ PortGroup           python 1.0
 
 name                py-requests
 version             2.21.0
-revision            0
+revision            1
 categories-append   devel
 platforms           darwin
 license             Apache-2
@@ -42,5 +42,9 @@ if {${name} ne ${subport}} {
                         port:py${python.version}-urllib3 \
                         port:py${python.version}-certifi
 
+    # py-urllib3 1.25 breaks py-requests: https://trac.macports.org/ticket/58382
+    patchfiles-append   patch-requests___init__.py.diff \
+                        patch-setup.py.diff
+
     livecheck.type      none
 }

python/py-requests/files/patch-requests___init__.py.diff

@@ -0,0 +1,11 @@
+--- requests/__init__.py.orig	2019-04-24 18:12:42.000000000 +0300
++++ requests/__init__.py	2019-04-24 18:12:58.000000000 +0300
+@@ -60,7 +60,7 @@
+     # urllib3 >= 1.21.1, <= 1.24
+     assert major == 1
+     assert minor >= 21
+-    assert minor <= 24
++    assert minor <= 25
+
+     # Check chardet for compatibility.
+     major, minor, patch = chardet_version.split('.')[:3]

python/py-requests/files/patch-setup.py.diff

@@ -0,0 +1,11 @@
+--- setup.py.orig	2019-04-24 18:12:00.000000000 +0300
++++ setup.py	2019-04-24 18:13:13.000000000 +0300
+@@ -44,7 +44,7 @@
+ requires = [
+     'chardet>=3.0.2,<3.1.0',
+     'idna>=2.5,<2.9',
+-    'urllib3>=1.21.1,<1.25',
++    'urllib3>=1.21.1,<=1.25',
+     'certifi>=2017.4.17'
+
+ ]