flake8ification

conda/instructions.py

@@ -21,35 +21,43 @@
 SYMLINK_CONDA = 'SYMLINK_CONDA'
 
 
-
 progress_cmds = set([EXTRACT, RM_EXTRACTED, LINK, UNLINK])
-action_codes = FETCH, EXTRACT, UNLINK, LINK, SYMLINK_CONDA, RM_EXTRACTED, RM_FETCHED
+action_codes = (FETCH, EXTRACT, UNLINK, LINK, SYMLINK_CONDA, RM_EXTRACTED,
+                RM_FETCHED)
+
 
 def PREFIX_CMD(state, arg):
     state['prefix'] = arg
 
+
 def PRINT_CMD(state, arg):
     getLogger('print').info(arg)
 
+
 def fetch(index, dist):
     assert index is not None
     fn = dist + '.tar.bz2'
     fetch_pkg(index[fn])
 
+
 def FETCH_CMD(state, arg):
     fetch(state['index'], arg)
 
+
 def PROGRESS_CMD(state, arg):
     state['i'] = 0
     state['maxval'] = int(arg)
     getLogger('progress.start').info(state['maxval'])
 
+
 def EXTRACT_CMD(state, arg):
     install.extract(config.pkgs_dirs[0], arg)
 
+
 def RM_EXTRACTED_CMD(state, arg):
     install.rm_extracted(config.pkgs_dirs[0], arg)
 
+
 def RM_FETCHED_CMD(state, arg):
     install.rm_fetched(config.pkgs_dirs[0], arg)
 
@@ -65,45 +73,48 @@ def split_linkarg(arg):
         linktype = install.LINK_HARD
     return dist, pkgs_dir, int(linktype)
 
+
 def link(prefix, arg, index=None):
     dist, pkgs_dir, lt = split_linkarg(arg)
     install.link(pkgs_dir, prefix, dist, lt, index=index)
 
+
 def LINK_CMD(state, arg):
     link(state['prefix'], arg, index=state['index'])
 
+
 def UNLINK_CMD(state, arg):
     install.unlink(state['prefix'], arg)
 
+
 def SYMLINK_CONDA_CMD(state, arg):
     install.symlink_conda(state['prefix'], arg)
 
 # Map instruction to command (a python function)
 commands = {
-            PREFIX: PREFIX_CMD,
-            PRINT: PRINT_CMD,
-            FETCH: FETCH_CMD,
-            PROGRESS: PROGRESS_CMD,
-            EXTRACT: EXTRACT_CMD,
-            RM_EXTRACTED: RM_EXTRACTED_CMD,
-            RM_FETCHED: RM_FETCHED_CMD,
-            LINK: LINK_CMD,
-            UNLINK: UNLINK_CMD,
-            SYMLINK_CONDA: SYMLINK_CONDA_CMD,
-       }
+    PREFIX: PREFIX_CMD,
+    PRINT: PRINT_CMD,
+    FETCH: FETCH_CMD,
+    PROGRESS: PROGRESS_CMD,
+    EXTRACT: EXTRACT_CMD,
+    RM_EXTRACTED: RM_EXTRACTED_CMD,
+    RM_FETCHED: RM_FETCHED_CMD,
+    LINK: LINK_CMD,
+    UNLINK: UNLINK_CMD,
+    SYMLINK_CONDA: SYMLINK_CONDA_CMD,
+}
 
 
 class InvaidInstruction(Exception):
     pass
 
 
-
 def execute_instructions(plan, index=None, verbose=False):
     if verbose:
         from conda.console import setup_verbose_handlers
         setup_verbose_handlers()
 
-    state = {'i': None, 'prefix': config.root_dir, 'index':index}
+    state = {'i': None, 'prefix': config.root_dir, 'index': index}
 
     for instruction, args in plan:
 
@@ -116,13 +127,15 @@ def execute_instructions(plan, index=None, verbose=False):
         cmd = commands.get(instruction)
 
         if cmd is None:
-            raise InvaidInstruction("No handler for instruction: %r" % instruction)
+            raise InvaidInstruction(
+                "No handler for instruction: %r" % instruction
+            )
 
         cmd(state, *args)
 
-        if state['i'] is not None and cmd in progress_cmds and state['maxval'] == state['i']:
+        if (state['i'] is not None and cmd in progress_cmds
+                and state['maxval'] == state['i']):
             state['i'] = None
             getLogger('progress.stop').info(None)
 
     install.messages(state['prefix'])
-