Add command for counting release changes

fimfarchive/commands/__init__.py

@@ -24,6 +24,7 @@ Command module.
 
 from .base import Command
 from .build import BuildCommand
+from .count import CountCommand
 from .root import RootCommand
 from .update import UpdateCommand
 
@@ -32,5 +33,6 @@ __all__ = (
     'Command',
     'RootCommand',
     'BuildCommand',
+    'CountCommand',
     'UpdateCommand',
 )

fimfarchive/commands/count.py

@@ -0,0 +1,110 @@
+"""
+Count command.
+"""
+
+
+#
+# Fimfarchive, preserves stories from Fimfiction.
+# Copyright (C) 2019  Joakim Soderlund
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+
+from typing import Set
+
+from fimfarchive.exceptions import InvalidStoryError
+from fimfarchive.fetchers import DirectoryFetcher, FimfarchiveFetcher
+from fimfarchive.utils import is_blacklisted, tqdm
+
+from .base import Command
+
+
+__all__ = (
+    'CountCommand',
+)
+
+
+class CountCommand(Command):
+    "Mwap!"
+
+    def __call__(self, *args):
+        fimfarchive = FimfarchiveFetcher(
+            source='fimfarchive.zip'
+        )
+
+        directory = DirectoryFetcher(
+            meta_path='worktree/update/meta',
+            data_path='worktree/render/epub',
+        )
+
+        previous: Set[int] = set(fimfarchive.index.keys())
+        upcoming: Set[int] = set()
+
+        blocked: Set[int] = set()
+        created: Set[int] = set()
+        deleted: Set[int] = set()
+        revived: Set[int] = set()
+        updated: Set[int] = set()
+        uniform: Set[int] = set()
+
+        for new in tqdm(directory):
+            key = new.key
+
+            if key != new.meta['id']:
+                raise ValueError("Derpy ID.")
+
+            if is_blacklisted(new):
+                blocked.add(key)
+                continue
+
+            upcoming.add(key)
+
+            if key not in previous:
+                created.add(key)
+                continue
+
+            try:
+                new.data
+            except InvalidStoryError:
+                revived.add(key)
+                continue
+
+            old = fimfarchive.fetch(key)
+
+            if key != old.meta['id']:
+                raise ValueError("Derpy ID.")
+
+            if old.data != new.data:
+                updated.add(key)
+                continue
+
+            uniform.add(key)
+
+        deleted = previous - upcoming
+
+        info = [
+            f"Previous: {len(previous)}",
+            f"Upcoming: {len(upcoming)}",
+            f"Created: {len(created)}",
+            f"Revived: {len(revived)}",
+            f"Updated: {len(updated)}",
+            f"Deleted: {len(deleted)}",
+            f"Blocked: {len(blocked)}",
+            f"Uniform: {len(uniform)}",
+        ]
+
+        print('\n'.join(info))
+
+        return 0

fimfarchive/commands/root.py

@@ -26,6 +26,7 @@ from typing import Dict, Type
 
 from .base import Command
 from .build import BuildCommand
+from .count import CountCommand
 from .update import UpdateCommand
 
 
@@ -40,6 +41,7 @@ class RootCommand(Command):
     """
     commands: Dict[str, Type[Command]] = {
         'build': BuildCommand,
+        'count': CountCommand,
         'update': UpdateCommand,
     }