add missing ctools module

py/modules/general/ctools.py

+#!/usr/bin/python
+from __future__ import print_function
+
+import numpy as np
+import sys,os
+
+class CTools:
+    """Usefull methods"""
+#
+# ----
+#
+    def __init__(self):
+        pass
+
+#
+# ----
+#
+def displayColormap():
+    """
+    Display matplotlib colormap
+    """
+    import matplotlib.pyplot as plt
+
+    a = np.linspace(0, 1, 256).reshape(1,-1)
+    a = np.vstack((a,a))
+
+    # Get a list of the colormaps in matplotlib.  Ignore the ones that end with
+    # '_r' because these are simply reversed versions of ones that don't end
+    # with '_r'
+    maps = sorted(m for m in plt.cm.datad if not m.endswith("_r"))
+    nmaps = len(maps) + 1
+
+    fig = plt.figure(figsize=(5,10))
+    fig.subplots_adjust(top=0.99, bottom=0.01, left=0.2, right=0.99)
+    for i,m in enumerate(maps):
+        ax = plt.subplot(nmaps, 1, i+1)
+        plt.axis("off")
+        plt.imshow(a, aspect='auto', cmap=plt.get_cmap(m), origin='lower')
+        pos = list(ax.get_position().bounds)
+        fig.text(pos[0] - 0.01, pos[1], m, fontsize=10, horizontalalignment='right')
+
+    plt.show()        
+#
+# ----
+#
+def rotateFile(infile,sep=".",debug=False):
+    """
+    rotate infile by adding separator 'sep' + incremental digit
+    example :
+    infile="hello"
+    if "hello" exist, then "hello.0" or "hello.1" ..... name will replace "hello"
+
+    return bool,outfile
+    
+    bool is True if file has been rotated
+    
+    """
+
+    outfile=infile
+    rot=False
+    if os.path.exists(infile):
+        if debug:
+            print("File/dir/link [%s] exist.."%(infile),file=sys.stderr)
+        cpt=0
+        stop=False
+        rot=True
+        while not stop:
+            outfile="%s%s%d"%(infile,sep,cpt)
+            if not os.path.exists(outfile):
+                stop=True
+            else:
+                cpt=cpt+1
+
+        os.rename(infile,outfile)
+        if debug:
+            print("Rotate file [%s] to [%s]"%(infile,outfile),file=sys.stderr)
+
+    return rot,outfile