Enable text wrap in tables and switch from viewcode to linkcode.

Author: tsalo

docs/_static/theme_overrides.css

@@ -0,0 +1,13 @@
+/* override table width restrictions */
+@media screen and (min-width: 767px) {
+
+   .wy-table-responsive table td {
+      /* !important prevents the common CSS stylesheets from overriding
+         this as on RTD they are loaded after this stylesheet */
+      white-space: normal !important;
+   }
+
+   .wy-table-responsive {
+      overflow: visible !important;
+   }
+}

docs/conf.py

@@ -24,6 +24,8 @@
 sys.path.append(os.path.abspath('sphinxext'))
 sys.path.insert(0, os.path.abspath('../wrapper'))
 
+from github_link import make_linkcode_resolve
+
 # -- General configuration ------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.
@@ -38,7 +40,7 @@
     'sphinx.ext.intersphinx',
     'sphinx.ext.coverage',
     'sphinx.ext.mathjax',
-    'sphinx.ext.viewcode',
+    'sphinx.ext.linkcode',
     'sphinxarg.ext',  # argparse extension
     'nipype.sphinxext.plot_workflow',
     'nbsphinx',
@@ -314,6 +316,11 @@
 # If true, do not generate a @detailmenu in the "Top" node's menu.
 # texinfo_no_detailmenu = False
 
+# The following is used by sphinx.ext.linkcode to provide links to github
+linkcode_resolve = make_linkcode_resolve('fmriprep',
+                                         u'https://github.com/poldracklab/'
+                                         'fmriprep/blob/{revision}/'
+                                         '{package}/{path}#L{lineno}')
 
 # Example configuration for intersphinx: refer to the Python standard library.
 intersphinx_mapping = {'https://docs.python.org/': None}
@@ -322,5 +329,6 @@
 
 
 def setup(app):
+    app.add_stylesheet('theme_overrides.css')
     # We need this for the boilerplate script
     app.add_javascript("https://cdn.rawgit.com/chrisfilo/zenodo.js/v0.1/zenodo.js")

docs/sphinxext/github_link.py

@@ -0,0 +1,88 @@
+"""
+This script comes from scikit-learn:
+https://github.com/scikit-learn/scikit-learn/blob/master/doc/sphinxext/github_link.py
+"""
+from operator import attrgetter
+import inspect
+import subprocess
+import os
+import sys
+from functools import partial
+
+REVISION_CMD = 'git rev-parse --short HEAD'
+
+
+def _get_git_revision():
+    try:
+        revision = subprocess.check_output(REVISION_CMD.split()).strip()
+    except (subprocess.CalledProcessError, OSError):
+        print('Failed to execute git to get revision')
+        return None
+    return revision.decode('utf-8')
+
+
+def _linkcode_resolve(domain, info, package, url_fmt, revision):
+    """Determine a link to online source for a class/method/function
+
+    This is called by sphinx.ext.linkcode
+
+    An example with a long-untouched module that everyone has
+    >>> _linkcode_resolve('py', {'module': 'tty',
+    ...                          'fullname': 'setraw'},
+    ...                   package='tty',
+    ...                   url_fmt='http://hg.python.org/cpython/file/'
+    ...                           '{revision}/Lib/{package}/{path}#L{lineno}',
+    ...                   revision='xxxx')
+    'http://hg.python.org/cpython/file/xxxx/Lib/tty/tty.py#L18'
+    """
+
+    if revision is None:
+        return
+    if domain not in ('py', 'pyx'):
+        return
+    if not info.get('module') or not info.get('fullname'):
+        return
+
+    class_name = info['fullname'].split('.')[0]
+    if type(class_name) != str:
+        # Python 2 only
+        class_name = class_name.encode('utf-8')
+    module = __import__(info['module'], fromlist=[class_name])
+    obj = attrgetter(info['fullname'])(module)
+
+    try:
+        fn = inspect.getsourcefile(obj)
+    except Exception:
+        fn = None
+    if not fn:
+        try:
+            fn = inspect.getsourcefile(sys.modules[obj.__module__])
+        except Exception:
+            fn = None
+    if not fn:
+        return
+
+    fn = os.path.relpath(fn,
+                         start=os.path.dirname(__import__(package).__file__))
+    try:
+        lineno = inspect.getsourcelines(obj)[1]
+    except Exception:
+        lineno = ''
+    return url_fmt.format(revision=revision, package=package,
+                          path=fn, lineno=lineno)
+
+
+def make_linkcode_resolve(package, url_fmt):
+    """Returns a linkcode_resolve function for the given URL format
+
+    revision is a git commit reference (hash or name)
+
+    package is the name of the root module of the package
+
+    url_fmt is along the lines of ('https://github.com/USER/PROJECT/'
+                                   'blob/{revision}/{package}/'
+                                   '{path}#L{lineno}')
+    """
+    revision = _get_git_revision()
+    return partial(_linkcode_resolve, revision=revision, package=package,
+                   url_fmt=url_fmt)