Pylint fixes for build.py

tools/build.py

@@ -1,5 +1,7 @@
 #!/usr/bin/env python3
 
+"""CBA Debug Build"""
+
 import os
 import sys
 import subprocess
@@ -9,38 +11,47 @@
 PREFIX = "cba_"
 ##########################
 
-def tryHemttBuild(projectpath):
-    hemttExe = os.path.join(projectpath, "hemtt.exe")
-    if os.path.isfile(hemttExe):
+def try_hemtt_build(projectpath):
+    """Try building with hemtt"""
+    hemtt = os.path.join(projectpath, "hemtt.exe")
+    if os.path.isfile(hemtt):
         os.chdir(projectpath)
-        ret = subprocess.call([hemttExe, "pack"], stderr=subprocess.STDOUT)
-        print("Using hemtt: {}".format(ret));
+        ret = subprocess.call([hemtt, "pack"], stderr=subprocess.STDOUT)
+        print("Using hemtt: {}".format(ret))
         return True
-    else:
-        print("hemtt not installed");
+
+    print("hemtt not installed")
     return False
 
 def mod_time(path):
+    """Return time of last modification of a file or directory
+
+    If the path is a directory, return the time of modification of
+    the most recently modified file in the directory.
+    """
     if not os.path.isdir(path):
         return os.path.getmtime(path)
     maxi = os.path.getmtime(path)
-    for p in os.listdir(path):
-        maxi = max(mod_time(os.path.join(path, p)), maxi)
+    for name in os.listdir(path):
+        maxi = max(mod_time(os.path.join(path, name)), maxi)
     return maxi
 
 
 def check_for_changes(addonspath, module):
-    if not os.path.exists(os.path.join(addonspath, "{}{}.pbo".format(PREFIX,module))):
+    """Return True if the sources of an addon have been changed since it was last built"""
+    file = os.path.join(addonspath, "{}{}.pbo".format(PREFIX, module))
+    if not os.path.exists(file):
         return True
-    return mod_time(os.path.join(addonspath, module)) > mod_time(os.path.join(addonspath, "{}{}.pbo".format(PREFIX,module)))
+    return mod_time(os.path.join(addonspath, module)) > mod_time(file)
 
 def check_for_obsolete_pbos(addonspath, file):
+    """Return True if the source directory for addon no longer exists"""
     module = file[len(PREFIX):-4]
     if not os.path.exists(os.path.join(addonspath, module)):
         return True
     return False
 
-def main():
+def main(): # pylint: disable=missing-function-docstring
     print("""
   ###################
   # CBA Debug Build #
@@ -51,7 +62,8 @@ def main():
     projectpath = os.path.dirname(os.path.dirname(scriptpath))
     addonspath = os.path.join(projectpath, "addons")
 
-    if (tryHemttBuild(projectpath)): return
+    if try_hemtt_build(projectpath):
+        return
 
     os.chdir(addonspath)
 
@@ -68,42 +80,43 @@ def main():
                 os.remove(file)
     print("")
 
-    for p in os.listdir(addonspath):
-        path = os.path.join(addonspath, p)
+    for name in os.listdir(addonspath):
+        path = os.path.join(addonspath, name)
         if not os.path.isdir(path):
             continue
-        if p[0] == ".":
+        if name[0] == ".":
             continue
-        if not check_for_changes(addonspath, p):
+        if not check_for_changes(addonspath, name):
             skipped += 1
-            print("  Skipping {}.".format(p))
+            print("  Skipping {}.".format(name))
             continue
 
-        print("# Making {} ...".format(p))
+        print("# Making {} ...".format(name))
 
         usescriptsfolder = os.path.join(path, "$SCRIPTSFOLDER$")
         if os.path.isfile(usescriptsfolder):
             pbopath = "-@=userconfig"
         else:
-            pbopath = "-@={}\\{}\\addons\\{}".format(MAINPREFIX,PREFIX.rstrip("_"),p)
+            pbopath = "-@={}\\{}\\addons\\{}".format(MAINPREFIX, PREFIX.rstrip("_"), name)
 
         try:
             subprocess.check_output([
                 "makepbo",
                 "-NUP",
                 pbopath,
-                p,
-                "{}{}.pbo".format(PREFIX,p)
+                name,
+                "{}{}.pbo".format(PREFIX, name)
             ], stderr=subprocess.STDOUT)
-        except:
+        except subprocess.CalledProcessError as err:
             failed += 1
-            print("  Failed to make {}.".format(p))
+            print("  Failed to make {} ({}).".format(name, err))
         else:
             made += 1
-            print("  Successfully made {}.".format(p))
+            print("  Successfully made {}.".format(name))
 
     print("\n# Done.")
-    print("  Made {}, skipped {}, removed {}, failed to make {}.".format(made, skipped, removed, failed))
+    print("  Made {}, skipped {}, removed {}, failed to make {}.".format(made, skipped,
+                                                                         removed, failed))
 
 
 if __name__ == "__main__":