recipes: add openssl optional recipe for ffmpeg and python

recipes/ffmpeg/__init__.py

@@ -8,6 +8,7 @@ class FFMpegRecipe(Recipe):
     url = "http://www.ffmpeg.org/releases/ffmpeg-{version}.tar.bz2"
     include_per_arch = True
     include_dir = "dist/include"
+    optional_depends = ["openssl"]
     libraries = [
         "libavcodec/libavcodec.a",
         "libavdevice/libavdevice.a",

recipes/openssl/__init__.py

@@ -1,7 +1,6 @@
 from toolchain import Recipe, shprint
-from os.path import join, exists
+from os.path import join
 import sh
-import os
 
 
 arch_mapper = {'i386': 'darwin-i386-cc',

recipes/python/__init__.py

@@ -8,6 +8,7 @@ class PythonRecipe(Recipe):
     version = "2.7.1"
     url = "https://www.python.org/ftp/python/{version}/Python-{version}.tar.bz2"
     depends = ["hostpython", "libffi", ]
+    optional_depends = ["openssl"]
     library = "libpython2.7.a"
     pbx_libraries = ["libz", "libbz2", "libsqlite3"]
 
@@ -31,7 +32,7 @@ class PythonRecipe(Recipe):
         self.apply_patch("setuppath.patch")
         self.append_file("ModulesSetup.mobile", "Modules/Setup.local")
         if "openssl.build_all" in self.ctx.state:
-             self.append_file("ModulesSetup.openssl", 'Modules/Setup.local')
+             self.append_file("ModulesSetup.openssl", "Modules/Setup.local")
 
         self.set_marker("patched")