Better linting and travis CI again

.travis.yml

@@ -3,7 +3,8 @@ python:
   - "2.7"
   - "3.4"
   - "3.5"
+install: pip install sphinx
 script:
-  - pip install sphinx
   - python misc/lint.py
-  - make html
+  - make html
+sudo: false

chapters/chap02-workshops-digging.rst

@@ -495,7 +495,7 @@ With the room set as a dormitory any dwarf without their own room will
 use the beds in the dormitory to sleep in. When you have a military, a
 :guilabel:`Barracks` is where dwarfs will spar and sleep when off duty.
 
-Well done! We have a shared bedroom for our shorties to sleep in! 
+Well done! We have a shared bedroom for our shorties to sleep in!
 
 In the next chapter of the walkthrough, we’ll build a fine dining
 room, set up some more workshops, and start to build some proper living

index.rst

@@ -31,7 +31,7 @@ up,  reflect on what you learnt, and recite the motto:  **Losing is Fun!**
    :numbered:
    :maxdepth: 1
    :glob:
-   
+
    chapters/*
 
 
@@ -52,7 +52,7 @@ and the Bay12 Forums will be your best friends.
 .. toctree::
    :maxdepth: 1
    :glob:
-   
+
    tutorials/*
 
 

misc/_static/dftext.css

@@ -12,8 +12,8 @@
     -o-border-radius: 0.2em; -ms-border-radius: 0.2em;
     -moz-box-shadow: 0.1em 0.2em 0.2em #ddd;
     -webkit-box-shadow: 0.1em 0.2em 0.2em #ddd;
-    box-shadow: 0.1em 0.2em 0.2em #ddd; 
-    background-color: #f9f9f9; 
+    box-shadow: 0.1em 0.2em 0.2em #ddd;
+    background-color: #f9f9f9;
     background-image: -moz-linear-gradient(top, #eee, #f9f9f9, #eee);
     background-image: -o-linear-gradient(top, #eee, #f9f9f9, #eee);
     background-image: -webkit-linear-gradient(top, #eee, #f9f9f9, #eee);

misc/contributing.rst

@@ -21,7 +21,7 @@ that would be much appreciated.  I'm also very happy to take bug reports!
 You can `find the project on Github
 <https://github.com/PeridexisErrant/DF-Walkthrough>`_.
 
-If this sounds like a lot of work - and it is - you can 
+If this sounds like a lot of work - and it is - you can
 `support me on Patreon <https://www.patreon.com/PeridexisErrant>`_ instead.
 
 
@@ -99,7 +99,7 @@ Markup
 ------
 Markup should be fairly minimal and let readers focus on the text.
 Basic markup helps with this, and should be used where appropriate.
-If in doubt, just match the surrounding sections. 
+If in doubt, just match the surrounding sections.
 
 Headings:
 

misc/lint.py

@@ -4,12 +4,19 @@
 Any other automatic checks should be in this file too.
 """
 
+from io import open
 import os
 from os.path import *
 import sys
 
 text_extensions = ('rst', 'md', 'txt', 'html', 'css', 'js')
 
+
+def error(fname, lineno, issue):
+    """Print the problem and location."""
+    print('ERROR:  {}:{} - {}'.format(fname, lineno+1, issue))
+
+
 def lint(path):
     """Run linters on all files, print problem files."""
     print('Checking for tabs or trailing whitespace...')
@@ -21,19 +28,15 @@ def lint(path):
                     fname.endswith(ext) for ext in text_extensions):
                 continue
             with open(fname, encoding='utf-8') as fh:
-                if '\t' in fh.read():
-                    failed = True
-                    print('ERROR:  tabs found in {}'.format(fname))
-                if any(line.replace('\n', '') != line.rstrip()
-                       for line in fh.readlines()):
-                    failed = True
-                    print('ERROR:  trailing whitespace in {}'.format(fname))
-                fh.seek(0)
                 for i, line in enumerate(fh.readlines()):
                     if len(line) > 81:
                         failed = True
-                        print('ERROR:  {}:{} - line too long'.format(
-                              fname, i + 1))
+                        error(fname, i, 'too long')
+                    if line.replace('\n', '') != line.rstrip():
+                        failed = True
+                        error(fname, i, 'trailing space')
+                    if '\t' in line:
+                        error(fname, i, 'contains tab')
     if failed:
         print('Use your text editor to convert tabs to spaces, wrap lines '
               'or trim trailing whitespace with minimal effort.')

misc/what-is-df.rst

@@ -62,7 +62,7 @@ some of the better articles for a background understanding.
 
 .. epigraph::
 
-    Players are responsible for the cultivation and management of a 
+    Players are responsible for the cultivation and management of a
     virtual ecosystem — a colony of dwarves trying to build a thriving
     fortress in a randomly generated world. Dwarf Fortress unfolds as
     a series of staggeringly elaborate challenges and devastating
@@ -74,8 +74,8 @@ some of the better articles for a background understanding.
     facade is a dizzying array of moving parts, algorithms that model
     everything from dwarves’ personalities (some are depressive; many
     appreciate art) to the climate and economic patterns of the
-    simulated world. ... 
-    
+    simulated world. ...
+
     -- `The NY Times Magazine <http://www.nytimes.com/2011/07/24/magazine/
     the-brilliance-of-dwarf-fortress.html?_r=2&pagewanted=all>`_