1 files changed, 63 insertions, 0 deletions
diff --git a/tabsvsspaces/find_stats.py b/tabsvsspaces/find_stats.py
new file mode 100644
index 0000000..d72385e
--- /dev/null
+++ b/tabsvsspaces/find_stats.py
@@ -0,0 +1,63 @@
+import os
+from pathlib import Path
+
+from .stats import Statistics
+
+IGNORED_FOLDERS = [
+    'venv',
+    'build',
+    'dist',
+    'generated',
+    'generated-src',
+]
+
+
+def find_all_files(folder: Path, verbose: bool = False):
+    def gen():
+        for subpath, subfolders, filenames in os.walk(str(folder)):
+            subfolders[:] = [subfolder for subfolder in subfolders if
+                             not (subfolder.startswith('.') or subfolder.lower() in IGNORED_FOLDERS)]
+            current_path = Path(subpath)
+            for file in filenames:
+                file_path = current_path / file
+                if not file.startswith('.'):
+                    yield file_path
+                    if verbose:
+                        print('Scanning', file_path)
+                else:
+                    if verbose:
+                        print('Skipping', file_path)
+
+    return list(gen())
+
+
+def find_stats_for_file(filename: Path, name: str, stats: Statistics):
+    extension = filename.name.split('.')[-1]
+    try:
+        for line in filename.read_text().split('\n'):
+            spaces = False
+            tabs = False
+            while len(line) > 0 and line[0] in [' ', '\t']:
+                if line[0] == ' ':
+                    spaces = True
+                if line[0] == '\t':
+                    tabs = True
+                line = line[1:]
+            if spaces and tabs:
+                stats.add_mixed_line(extension=extension,
+                                     filename=name)
+            elif spaces:
+                stats.add_spaces(extension=extension)
+            elif tabs:
+                stats.add_tabs(extension=extension)
+    except (UnicodeDecodeError, OSError):
+        pass
+
+
+def find_stats(folder: Path, verbose: bool = False) -> Statistics:
+    folder = folder.resolve()
+    files = find_all_files(folder, verbose=verbose)
+    stats = Statistics()
+    for file in files:
+        find_stats_for_file(folder / file, file, stats)
+    return stats