Add --replace flag

README.md

@@ -9,25 +9,23 @@ pip install fsub
 
 # Usage
 ```
-usage: fsub [-h] [-c] [-s MS] [-n] [-f FILE] [-j] file [file ...]
+usage: fsub [-h] [-c] [-s MS] [-n] [-f F] [-j] [-r] file [file ...]
 
 Fix, edit and clean SubRip (.srt) files.
 
 positional arguments:
-  file                  list of input files (they all must be SubRip files)
+  file               list of input files (they all must be SubRip files)
 
 optional arguments:
-  -h, --help            show this help message and exit
-  -c, --clean           remove subtitles matching regular expressions listed in the config
-                        file (this is the default behavior if no other flag is passed)
-  -s MS, --shift MS     shift all subtitles by MS milliseconds, which may be positive or
-                        negative
-  -n, --no-html         strip HTML tags from subtitles content
-  -f FILE, --config-file FILE
-                        overwrite the default config file (Unix: $HOME/.config/fsubrc,
-                        Windows: %APPDATA%\fsubrc)
-  -j, --join            join all files into the first, shifting their time accordingly (this
-                        will delete files)
+  -h, --help         show this help message and exit
+  -c, --clean        remove subtitles matching regular expressions listed in the config file
+                     (this is the default behavior if no other flag is passed)
+  -s MS, --shift MS  shift all subtitles by MS milliseconds, which may be positive or negative
+  -n, --no-html      strip HTML tags from subtitles content
+  -f F, --config F   use F as the config file (by default, F is: on Unix:
+                     $HOME/.config/fsubrc; on Windows: %APPDATA%\fsubrc)
+  -j, --join         join all files into the first, shifting their time accordingly
+  -r, --replace      edit files in-place (-j will delete joined files too)
 ```
 
 # Testing
@@ -49,3 +47,4 @@ python -m unittest tests.integration
 - May shift the time of all subtitles
 - May strip HTML
 - May join files together
+- May edit files in-place

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = fsub
-version = 0.1.2
+version = 0.1.3
 author = Augusto Lenz Gunsch
 author_email = augustogunsch@tutanota.com
 description = CLI SubRip editor

src/fsub/fsub.py

@@ -160,12 +160,12 @@ class ConfigFile:
     def __init__(self, args):
         # No reason to continue
         if not args.clean:
-            if args.config_file:
-                args.config_file.close()
+            if args.config:
+                args.config.close()
             self.expressions = []
             return
 
-        file = args.config_file
+        file = args.config
         # Set default config file if not specified
         if not file:
             home = Path.home()
@@ -272,15 +272,27 @@ class SubripFile:
             self.strip_html()
 
         self.renumber()
-        self.write_file()
+        self.write_file(args.replace)
 
-    def write_file(self):
-        output = open(self.file_name, 'w', encoding='utf-8')
+    def write_file(self, in_place=False, stdout=False):
+        if stdout:
+            print(self)
+            return
+
+        file = self.file_name if in_place else 'out-' + self.file_name
+
+        output = open(file, 'w', encoding='utf-8')
         output.write(repr(self))
+
         if len(self.subs) > 0:
             output.write('\n')
+
         output.close()
 
+    def delete(self):
+        os.remove(self.file_name)
+        del self
+
     def __repr__(self):
         return '\n\n'.join(map(repr, self.subs))
 
@@ -316,18 +328,23 @@ def parse_args(args):
     )
 
     parser.add_argument(
-        '-f', '--config-file',
-        help='overwrite the default config file (Unix: $HOME/.config/fsubrc,' +
-             r' Windows: %%APPDATA%%\fsubrc)',
-        metavar='FILE',
+        '-f', '--config',
+        help='use F as the config file (by default, F is: ' +
+             r'on Unix: $HOME/.config/fsubrc; on Windows: %%APPDATA%%\fsubrc)',
+        metavar='F',
         action='store',
         type=argparse.FileType('r')
     )
 
     parser.add_argument(
         '-j', '--join',
-        help='join all files into the first, shifting their time ' +
-             'accordingly (this will delete files)',
+        help='join all files into the first, shifting their time accordingly',
+        action='store_true'
+    )
+
+    parser.add_argument(
+        '-r', '--replace',
+        help='edit files in-place (-j will delete joined files too)',
         action='store_true'
     )
 
@@ -342,11 +359,12 @@ def parse_args(args):
     args = parser.parse_args(args)
 
     # Make sure --clean is the default
+    # TODO: account for new options
     if not args.shift and not args.no_html:
         args.clean = True
 
     # Validate options
-    if not args.clean and args.config_file:
+    if not args.clean and args.config:
         panic('-f requires -c', 1)
 
     return args
@@ -364,7 +382,9 @@ def run(args):
         first = parsed_files.pop(0)
         while True:
             try:
-                first += parsed_files.pop(0)
+                file = parsed_files.pop(0)
+                first += file
+                file.delete()
             except IndexError:
                 break
         parsed_files.append(first)

tests/integration.py

@@ -9,7 +9,7 @@ from pathlib import Path
 class TestFsub(unittest.TestCase):
     samples = Path('tests/samples')
 
-    def run_on(self, args, samples, ofiles):
+    def run_on(self, args, samples, ofiles, replace=False):
         caller = inspect.stack()[1][3]
         ifiles = []
 
@@ -27,6 +27,9 @@ class TestFsub(unittest.TestCase):
         limit = len(ofiles)
         for i, ifile in enumerate(ifiles):
             if i < limit:
+                if not replace:
+                    os.remove(ifile)
+                    ifile = 'out-' + ifile
                 out = open(ifile)
                 result = out.read()
                 out.close()
@@ -37,7 +40,10 @@ class TestFsub(unittest.TestCase):
                 cmp_file.close()
 
                 self.assertEqual(result, cmp)
-            os.remove(ifile)
+            try:
+                os.remove(ifile)
+            except FileNotFoundError:
+                pass
 
     def test_cleaned(self):
         args = ['-f', str(self.samples / 'blacklist')]