* Changing all isinstance(STUFF, str)' to isinstance(STUFF, basestring)'

for future-proofing this code.

db/file_db.py

@@ -48,7 +48,7 @@ class file_table(object):
   def __init__(self, src_name, table_name='filedb', extra_fields=[]):
     self.src_name = src_name
     self.table_name = table_name
-    if isinstance(src_name, str): # os.path.isfile(src_name):
+    if isinstance(src_name, basestring): # os.path.isfile(src_name):
       self.db = sqlite3.connect(src_name)
       self.dbc = self.db.cursor()
     elif isinstance(src_name, sqlite3.Connection):

db/result_base.py

@@ -62,7 +62,7 @@ class result_base(dict):
     if isinstance(src, dict):
       self.clear()
       self.update(src)
-    elif isinstance(src, str):
+    elif isinstance(src, basestring):
       # WARNING: Awaiting future definition of parse_text_file_().
       # This must be specified in the derived class.
       self.parse_file_(src)

db/tables.py

@@ -37,7 +37,7 @@ class simple_table(object):
   def __init__(self, src_name, table_name, dtypes=None):
     self.src_name = src_name
     self.table_name = table_name
-    if isinstance(src_name, str): # os.path.isfile(src_name):
+    if isinstance(src_name, basestring): # os.path.isfile(src_name):
       self.db = sqlite3.connect(src_name)
       self.dbc = self.db.cursor()
     elif isinstance(src_name, sqlite3.Connection):

file/file_utils.py

@@ -86,7 +86,7 @@ def glob_files(filespec):
   When globbing is done, the result is sorted for predictability.'''
   if getattr(filespec, "__iter__", False):
     return filespec # no re-sorting
-  elif isinstance(filespec, str):
+  elif isinstance(filespec, basestring):
     return sorted(glob.glob(filespec))
   else:
     raise ValueError, "Don't know how to glob for an object of " + type(filespec)

iofmt/fortbin.py

@@ -159,7 +159,7 @@ class fortran_bin_file(object):
         v2 = self.default_float(v)
         # FIXME: check for overflow error like in integer conversion above
         vals.append(v2)
-      elif isinstance(v, str):
+      elif isinstance(v, basestring):
         v2 = self.default_str(v)
         vals.append(v2)
       elif "itemsize" in dir(v):
@@ -199,7 +199,7 @@ class fortran_bin_file(object):
 
     vals = []
     for f in fields:
-      if isinstance(f, str):
+      if isinstance(f, basestring):
         vals.append(getval(src, f))
       elif isinstance(f, (list, tuple)):
         v = getval(src, f[0])

iofmt/text_input.py

@@ -119,7 +119,7 @@ class text_input(object):
     regular expression object.'''
 
     if regex:
-      if isinstance(regex, str):
+      if isinstance(regex, basestring):
         Regexp = re.compile(regex)
       else:
         Regexp = regex

shell_tools.py

@@ -186,7 +186,7 @@ else:
     This is my customary shortcut for backtick operator.
     The result is either a single string (if split==False) or a list of strings
     with EOLs removed (if split==True)."""
-    if shell or isinstance(args, str):
+    if shell or isinstance(args, basestring):
       # BEWARE: args should be a string in this case
       p = os.popen(args, "r")
     else:
@@ -203,7 +203,7 @@ else:
     """Executes a shell command, piping in the stdin from python for driving.
     This is the reverse of pipe_out.
     Commands are given through file-like write() or writelines() methods."""
-    if shell or isinstance(args, str):
+    if shell or isinstance(args, basestring):
       # BEWARE: args should be a string in this case
       p = os.popen(args, "w")
     else: