diff options
Diffstat (limited to 'lvc/utils.py')
| -rw-r--r-- | lvc/utils.py | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/lvc/utils.py b/lvc/utils.py index e0a64f3..3b79433 100644 --- a/lvc/utils.py +++ b/lvc/utils.py @@ -4,6 +4,7 @@ import logging import os import sys + def hms_to_seconds(hours, minutes, seconds): return (hours * 3600 + minutes * 60 + @@ -25,8 +26,7 @@ def round_even(num): def rescale_video((source_width, source_height), - (target_width, target_height), - dont_upsize=True): + (target_width, target_height), dont_upsize=True): """ Rescale a video given a (width, height) target. This returns the largest (width, height) which maintains the original aspect ratio while fitting @@ -42,7 +42,7 @@ def rescale_video((source_width, source_height), return (round_even(source_width), round_even(source_height)) if (dont_upsize and - (source_width <= target_width or source_height <= target_height)): + (source_width <= target_width or source_height <= target_height)): return (round_even(source_width), round_even(source_height)) width_ratio = float(source_width) / float(target_width) @@ -50,6 +50,7 @@ def rescale_video((source_width, source_height), ratio = max(width_ratio, height_ratio) return round_even(source_width / ratio), round_even(source_height / ratio) + def line_reader(handle): """Builds a line reading generator for the given handle. This generator breaks on empty strings, \\r and \\n. @@ -92,7 +93,7 @@ class Matrix(object): def __init__(self, columns, rows, initial_value=None): self.columns = columns self.rows = rows - self.data = [ initial_value ] * (columns * rows) + self.data = [initial_value] * (columns * rows) def __getitem__(self, key): return self.data[(key[0] * self.rows) + key[1]] @@ -138,7 +139,7 @@ class Cache(object): if key in self.dict: existing_invalidator = self.invalidators[key] if (existing_invalidator is None or - not existing_invalidator(key)): + not existing_invalidator(key)): self.access_times[key] = self.counter.next() return self.dict[key] @@ -204,6 +205,7 @@ def size_string(nbytes): else: return "%(size)s B" % {"size": nbytes} + def convert_path_for_subprocess(path): """Convert a path to a form suitable for passing to a subprocess. |