Some sort of vague ipython analysis

[ipdf/code.git] / tools / progressbar.py

diff --git a/tools/progressbar.py b/tools/progressbar.py
new file mode 100644 (file)
index 0000000..dd38b42
--- /dev/null
+++ b/tools/progressbar.py
@@ -0,0 +1,42 @@
+# From #http://nbviewer.ipython.org/github/ipython/ipython/blob/3607712653c66d63e0d7f13f073bde8c0f209ba8/docs/examples/notebooks/Animations_and_Progress.ipynb
+
+import sys, time
+try:
+    from IPython.display import clear_output
+    have_ipython = True
+except ImportError:
+    have_ipython = False
+
+class ProgressBar:
+    def __init__(self, iterations):
+        self.iterations = iterations
+        self.prog_bar = '[]'
+        self.fill_char = '*'
+        self.width = 40
+        self.__update_amount(0)
+        if have_ipython:
+            self.animate = self.animate_ipython
+        else:
+            self.animate = self.animate_noipython
+
+    def animate_ipython(self, iter):
+        print '\r', self,
+        sys.stdout.flush()
+        self.update_iteration(iter + 1)
+
+    def update_iteration(self, elapsed_iter):
+        self.__update_amount((elapsed_iter / float(self.iterations)) * 100.0)
+        self.prog_bar += '  %d of %s complete' % (elapsed_iter, self.iterations)
+
+    def __update_amount(self, new_amount):
+        percent_done = int(round((new_amount / 100.0) * 100.0))
+        all_full = self.width - 2
+        num_hashes = int(round((percent_done / 100.0) * all_full))
+        self.prog_bar = '[' + self.fill_char * num_hashes + ' ' * (all_full - num_hashes) + ']'
+        pct_place = (len(self.prog_bar) // 2) - len(str(percent_done))
+        pct_string = '%d%%' % percent_done
+        self.prog_bar = self.prog_bar[0:pct_place] + \
+            (pct_string + self.prog_bar[pct_place + len(pct_string):])
+
+    def __str__(self):
+        return str(self.prog_bar)