Fixed naming to match ZIM naming conventions.

README.md

@@ -126,12 +126,14 @@ The following formatting placeholders are supported:
 * `{name}`: Human readable name of the resource e.g. `Python`.
 * `{full_name}`: Name with optional version for the resource e.g. `Python 3.12`.
 * `{slug}`: Devdocs slug for the resource e.g. `python~3.12`.
+* `{clean_slug}`: Slug with non alphanumeric/period characters replaced with `-` e.g. `python-3.12`.
 * `{slug_without_version}`: Devdocs slug for the resource without the version e.g. `python`.
 * `{version}`: Shortened version displayed in devdocs, if any e.g. `3.12`.
 * `{release}`: Specific release of the software the documentation is for, if any e.g. `3.12.1`.
 * `{attribution}`: License and attribution information about the resource.
 * `{home_link}`: Link to the project's home page, if any: e.g. `https://python.org`.
 * `{code_link}`: Link to the project's source, if any: e.g. `https://github.com/python/cpython`.
+* `{period}`: The current date in `YYYY-MM` format e.g. `2024-02`.
 
 ## Developing
 

src/devdocs2zim/client.py

@@ -1,5 +1,7 @@
+import datetime
 import re
 from collections import defaultdict
+from collections.abc import Callable
 from enum import Enum
 from functools import cached_property
 
@@ -50,8 +52,14 @@ class DevdocsMetadata(BaseModel):
     def slug_without_version(self):
         return self.slug.split("~")[0]
 
-    def placeholders(self) -> dict[str, str]:
-        """Gets placeholders for filenames."""
+    def placeholders(
+        self, clock: Callable[[], datetime.date] = datetime.date.today
+    ) -> dict[str, str]:
+        """Gets placeholders for filenames.
+
+        Arguments:
+          clock: Override the default clock to use for producing the "period".
+        """
         home_link = ""
         code_link = ""
         if self.links is not None:
@@ -68,12 +76,14 @@ def placeholders(self) -> dict[str, str]:
             "name": self.name,
             "full_name": full_name,
             "slug": self.slug,
+            "clean_slug": re.sub(r"[^.a-zA-Z0-9]", "-", self.slug),
             "version": self.version,
             "release": self.release,
             "attribution": self.attribution,
             "home_link": home_link,
             "code_link": code_link,
             "slug_without_version": self.slug_without_version,
+            "period": clock().strftime("%Y-%m"),
         }
 
 

src/devdocs2zim/entrypoint.py

@@ -15,7 +15,8 @@
 def zim_defaults() -> ZimConfig:
     """Returns the default configuration for ZIM generation."""
     return ZimConfig(
-        name_format="devdocs_{slug_without_version}_{version}",
+        file_name_format="devdocs.io_en_{clean_slug}_{period}",
+        name_format="devdocs.io_en_{clean_slug}",
         creator="DevDocs",
         publisher="openZIM",
         title_format="{full_name} Docs",

src/devdocs2zim/generator.py

@@ -43,7 +43,9 @@ class InvalidFormatError(Exception):
 class ZimConfig(BaseModel):
     """Common configuration for building ZIM files."""
 
-    # File name/name for the ZIM.
+    # File name for the ZIM.
+    file_name_format: str
+    # Name for the ZIM.
     name_format: str
     # Human readable title for the ZIM.
     title_format: str
@@ -73,6 +75,14 @@ def add_flags(parser: argparse.ArgumentParser, defaults: "ZimConfig"):
             default=defaults.publisher,
         )
 
+        parser.add_argument(
+            "--file-name-format",
+            help="Custom file name format for individual ZIMs. "
+            f"Default: {defaults.file_name_format!r}",
+            default=defaults.file_name_format,
+            metavar="FORMAT",
+        )
+
         parser.add_argument(
             "--name-format",
             help="Custom name format for individual ZIMs. "
@@ -149,6 +159,7 @@ def check_length(string: str, field_name: str, length: int) -> str:
             return string
 
         return ZimConfig(
+            file_name_format=fmt(self.file_name_format),
             name_format=fmt(self.name_format),
             title_format=check_length(
                 fmt(self.title_format),
@@ -383,7 +394,7 @@ def generate_zim(
         logger.info(f"Generating ZIM for {doc_metadata.slug}")
 
         formatted_config = self.zim_config.format(doc_metadata.placeholders())
-        zim_path = Path(self.output_folder, f"{formatted_config.name_format}.zim")
+        zim_path = Path(self.output_folder, f"{formatted_config.file_name_format}.zim")
 
         # Don't clobber existing files so a user can resume a failed run.
         if zim_path.exists():

tests/test_client.py

@@ -1,3 +1,4 @@
+import datetime
 from unittest import TestCase
 from unittest.mock import ANY, create_autospec, patch
 
@@ -111,19 +112,21 @@ def test_slug_without_version_version(self):
     def test_placeholders_minimal(self):
         metadata = DevdocsMetadata(name="test", slug="test~1.23")
 
-        placeholders = metadata.placeholders()
+        placeholders = metadata.placeholders(clock=lambda: datetime.date(2001, 2, 3))
 
         self.assertEqual(
             {
                 "name": "test",
                 "full_name": "test",
                 "slug": "test~1.23",
+                "clean_slug": "test-1.23",
                 "version": "",
                 "release": "",
                 "attribution": "",
                 "home_link": "",
                 "code_link": "",
                 "slug_without_version": "test",
+                "period": "2001-02",
             },
             placeholders,
         )
@@ -141,19 +144,21 @@ def test_placeholders_full(self):
             attribution="© 2022 The Kubernetes Authors",
         )
 
-        placeholders = metadata.placeholders()
+        placeholders = metadata.placeholders(clock=lambda: datetime.date(2001, 2, 3))
 
         self.assertEqual(
             {
                 "name": "Kubernetes",
                 "full_name": "Kubernetes 1.28.1",
                 "slug": "kubernetes~1.28",
+                "clean_slug": "kubernetes-1.28",
                 "version": "1.28.1",
                 "release": "1.28",
                 "attribution": "© 2022 The Kubernetes Authors",
                 "home_link": "https://kubernetes.io/",
                 "code_link": "https://github.com/kubernetes/kubernetes",
                 "slug_without_version": "kubernetes",
+                "period": "2001-02",
             },
             placeholders,
         )

tests/test_generator.py

@@ -23,6 +23,7 @@
 class TestZimConfig(TestCase):
     def defaults(self) -> ZimConfig:
         return ZimConfig(
+            file_name_format="default_file_name_format",
             name_format="default_name_format",
             title_format="default_title_format",
             publisher="default_publisher",
@@ -54,6 +55,8 @@ def test_flag_parsing_overrides(self):
                     "publisher",
                     "--name-format",
                     "name-format",
+                    "--file-name-format",
+                    "file-name-format",
                     "--title-format",
                     "title-format",
                     "--description-format",
@@ -71,6 +74,7 @@ def test_flag_parsing_overrides(self):
                 creator="creator",
                 publisher="publisher",
                 name_format="name-format",
+                file_name_format="file-name-format",
                 title_format="title-format",
                 description_format="description-format",
                 long_description_format="long-description-format",
@@ -88,6 +92,7 @@ def test_format_none_needed(self):
 
     def test_format_only_allowed(self):
         to_format = ZimConfig(
+            file_name_format="{replace_me}",
             name_format="{replace_me}",
             title_format="{replace_me}",
             publisher="{replace_me}",
@@ -101,6 +106,7 @@ def test_format_only_allowed(self):
 
         self.assertEqual(
             ZimConfig(
+                file_name_format="replaced",
                 name_format="replaced",
                 title_format="replaced",
                 publisher="{replace_me}",