feat: improve template processing (#112)

* Improve template processing

* docs update, config validation rules update

docs/configuration.rst

@@ -118,7 +118,7 @@ Web server settings. If any of ``host``/``port`` is not set, web integration wil
 * ``password`` - password to authorize in web service in order to update service status, string, required in case if authorization enabled.
 * ``port`` - port to bind, int, optional.
 * ``static_path`` - path to directory with static files, string, required.
-* ``templates`` - path to templates directory, string, required.
+* ``templates`` - path to templates directories, space separated list of strings, required.
 * ``timeout`` - HTTP request timeout in seconds, int, optional, default is ``30``.
 * ``unix_socket`` - path to the listening unix socket, string, optional. If set, server will create the socket on the specified address which can (and will) be used by application. Note, that unlike usual host/port configuration, unix socket allows to perform requests without authorization.
 * ``unix_socket_unsafe`` - set unsafe (o+w) permissions to unix socket, boolean, optional, default ``yes``. This option is enabled by default, because it is supposed that unix socket is created in safe environment (only web service is supposed to be used in unsafe), but it can be disabled by configuration.
@@ -231,7 +231,6 @@ Section name must be either ``console`` (plus optional architecture name, e.g. `
 Section name must be either ``email`` (plus optional architecture name, e.g. ``email:x86_64``) or random name with ``type`` set.
 
 * ``type`` - type of the report, string, optional, must be set to ``email`` if exists.
-* ``full_template_path`` - path to Jinja2 template for full package description index, string, optional.
 * ``homepage`` - link to homepage, string, optional.
 * ``host`` - SMTP host for sending emails, string, required.
 * ``link_path`` - prefix for HTML links, string, required.
@@ -241,7 +240,9 @@ Section name must be either ``email`` (plus optional architecture name, e.g. ``e
 * ``receivers`` - SMTP receiver addresses, space separated list of strings, required.
 * ``sender`` - SMTP sender address, string, required.
 * ``ssl`` - SSL mode for SMTP connection, one of ``ssl``, ``starttls``, ``disabled``, optional, default ``disabled``.
-* ``template_path`` - path to Jinja2 template, string, required.
+* ``template`` - Jinja2 template name, string, required.
+* ``template_full`` - Jinja2 template name for full package description index, string, optional.
+* ``templates`` - path to templates directories, space separated list of strings, required.
 * ``user`` - SMTP user to authenticate, string, optional.
 
 ``html`` type
@@ -253,7 +254,8 @@ Section name must be either ``html`` (plus optional architecture name, e.g. ``ht
 * ``homepage`` - link to homepage, string, optional.
 * ``link_path`` - prefix for HTML links, string, required.
 * ``path`` - path to html report file, string, required.
-* ``template_path`` - path to Jinja2 template, string, required.
+* ``template`` - Jinja2 template name, string, required.
+* ``templates`` - path to templates directories, space separated list of strings, required.
 
 ``remote-call`` type
 ^^^^^^^^^^^^^^^^^^^^
@@ -276,8 +278,9 @@ Section name must be either ``telegram`` (plus optional architecture name, e.g.
 * ``chat_id`` - telegram chat id, either string with ``@`` or integer value, required.
 * ``homepage`` - link to homepage, string, optional.
 * ``link_path`` - prefix for HTML links, string, required.
-* ``template_path`` - path to Jinja2 template, string, required.
+* ``template`` - Jinja2 template name, string, required.
 * ``template_type`` - ``parse_mode`` to be passed to telegram API, one of ``MarkdownV2``, ``HTML``, ``Markdown``, string, optional, default ``HTML``.
+* ``templates`` - path to templates directories, space separated list of strings, required.
 * ``timeout`` - HTTP request timeout in seconds, int, optional, default is ``30``.
 
 ``upload`` group

docs/faq.rst

@@ -1299,7 +1299,9 @@ The application uses java concept to log messages, e.g. class ``Application`` im
 Html customization
 ^^^^^^^^^^^^^^^^^^
 
-It is possible to customize html templates. In order to do so, create files somewhere (refer to Jinja2 documentation and the service source code for available parameters) and put ``template_path`` to configuration pointing to this directory.
+It is possible to customize html templates. In order to do so, create files somewhere (refer to Jinja2 documentation and the service source code for available parameters) and prepend ``templates`` with value pointing to this directory.
+
+In addition, default html templates supports style customization out-of-box. In order to customize style, just put file named ``user-style.jinja2`` to the templates directory.
 
 I did not find my question
 ^^^^^^^^^^^^^^^^^^^^^^^^^^

package/share/ahriman/settings/ahriman.ini

@@ -54,14 +54,17 @@ use_utf = yes
 
 [email]
 no_empty_report = yes
-template_path = /usr/share/ahriman/templates/email-index.jinja2
+template = email-index.jinja2
+templates = /usr/share/ahriman/templates
 ssl = disabled
 
 [html]
-template_path = /usr/share/ahriman/templates/repo-index.jinja2
+template = repo-index.jinja2
+templates = /usr/share/ahriman/templates
 
 [telegram]
-template_path = /usr/share/ahriman/templates/telegram-index.jinja2
+template = telegram-index.jinja2
+templates = /usr/share/ahriman/templates
 
 [upload]
 target =

package/share/ahriman/templates/build-status.jinja2

@@ -8,6 +8,7 @@
         <link rel="shortcut icon" href="/static/favicon.ico">
 
         {% include "utils/style.jinja2" %}
+        {% include "user-style.jinja2" ignore missing %}
     </head>
 
     <body>

package/share/ahriman/templates/email-index.jinja2

@@ -7,6 +7,7 @@
         <meta name="viewport" content="width=device-width, initial-scale=1">
 
         {% include "utils/style.jinja2" %}
+        {% include "user-style.jinja2" ignore missing %}
     </head>
 
     <body>

package/share/ahriman/templates/error.jinja2

@@ -8,6 +8,7 @@
         <link rel="shortcut icon" href="/static/favicon.ico">
 
         {% include "utils/style.jinja2" %}
+        {% include "user-style.jinja2" ignore missing %}
     </head>
 
     <body>

package/share/ahriman/templates/repo-index.jinja2

@@ -6,6 +6,7 @@
         <meta name="viewport" content="width=device-width, initial-scale=1">
 
         {% include "utils/style.jinja2" %}
+        {% include "user-style.jinja2" ignore missing %}
     </head>
 
     <body>

src/ahriman/core/configuration/configuration.py

@@ -82,6 +82,7 @@ class Configuration(configparser.RawConfigParser):
             converters={
                 "list": shlex.split,
                 "path": self._convert_path,
+                "pathlist": lambda value: [self._convert_path(element) for element in shlex.split(value)],
             }
         )
 
@@ -241,6 +242,8 @@ class Configuration(configparser.RawConfigParser):
 
     def getpath(self, *args: Any, **kwargs: Any) -> Path: ...  # type: ignore[empty-body]
 
+    def getpathlist(self, *args: Any, **kwargs: Any) -> list[Path]: ...  # type: ignore[empty-body]
+
     def gettype(self, section: str, repository_id: RepositoryId, *, fallback: str | None = None) -> tuple[str, str]:
         """
         get type variable with fallback to old logic. Despite the fact that it has same semantics as other get* methods,

src/ahriman/core/configuration/schema.py

@@ -44,12 +44,14 @@ CONFIGURATION_SCHEMA: ConfigurationSchema = {
                 "coerce": "absolute_path",
                 "required": True,
                 "path_exists": True,
+                "path_type": "dir",
             },
             "logging": {
                 "type": "path",
                 "coerce": "absolute_path",
                 "required": True,
                 "path_exists": True,
+                "path_type": "file",
             },
             "suppress_http_log_errors": {
                 "type": "boolean",
@@ -68,12 +70,16 @@ CONFIGURATION_SCHEMA: ConfigurationSchema = {
             "mirror": {
                 "type": "string",
                 "required": True,
+                "empty": False,
                 "is_url": [],
             },
             "repositories": {
                 "type": "list",
                 "coerce": "list",
-                "schema": {"type": "string"},
+                "schema": {
+                    "type": "string",
+                    "empty": False,
+                },
                 "required": True,
                 "empty": False,
             },
@@ -82,6 +88,7 @@ CONFIGURATION_SCHEMA: ConfigurationSchema = {
                 "coerce": "absolute_path",
                 "required": True,
                 "path_exists": True,
+                "path_type": "dir",
             },
             "use_ahriman_cache": {
                 "type": "boolean",
@@ -113,9 +120,11 @@ CONFIGURATION_SCHEMA: ConfigurationSchema = {
             },
             "client_id": {
                 "type": "string",
+                "empty": False,
             },
             "client_secret": {
                 "type": "string",
+                "empty": False,
             },
             "cookie_secret_key": {
                 "type": "string",
@@ -129,9 +138,11 @@ CONFIGURATION_SCHEMA: ConfigurationSchema = {
             },
             "oauth_provider": {
                 "type": "string",
+                "empty": False,
             },
             "oauth_scopes": {
                 "type": "string",
+                "empty": False,
             },
             "salt": {
                 "type": "string",
@@ -144,36 +155,55 @@ CONFIGURATION_SCHEMA: ConfigurationSchema = {
             "archbuild_flags": {
                 "type": "list",
                 "coerce": "list",
-                "schema": {"type": "string"},
+                "schema": {
+                    "type": "string",
+                    "empty": False,
+                },
             },
             "build_command": {
                 "type": "string",
                 "required": True,
+                "empty": False,
             },
             "ignore_packages": {
                 "type": "list",
                 "coerce": "list",
-                "schema": {"type": "string"},
+                "schema": {
+                    "type": "string",
+                    "empty": False,
+                },
             },
             "makepkg_flags": {
                 "type": "list",
                 "coerce": "list",
-                "schema": {"type": "string"},
+                "schema": {
+                    "type": "string",
+                    "empty": False,
+                },
             },
             "makechrootpkg_flags": {
                 "type": "list",
                 "coerce": "list",
-                "schema": {"type": "string"},
+                "schema": {
+                    "type": "string",
+                    "empty": False,
+                },
             },
             "triggers": {
                 "type": "list",
                 "coerce": "list",
-                "schema": {"type": "string"},
+                "schema": {
+                    "type": "string",
+                    "empty": False,
+                },
             },
             "triggers_known": {
                 "type": "list",
                 "coerce": "list",
-                "schema": {"type": "string"},
+                "schema": {
+                    "type": "string",
+                    "empty": False,
+                },
             },
             "vcs_allowed_age": {
                 "type": "integer",
@@ -187,10 +217,14 @@ CONFIGURATION_SCHEMA: ConfigurationSchema = {
         "schema": {
             "name": {
                 "type": "string",
+                "empty": False,
             },
             "root": {
-                "type": "string",
+                "type": "path",
+                "coerce": "absolute_path",
                 "required": True,
+                "path_exists": True,
+                "path_type": "dir",
             },
         },
     },
@@ -208,6 +242,7 @@ CONFIGURATION_SCHEMA: ConfigurationSchema = {
             },
             "key": {
                 "type": "string",
+                "empty": False,
             },
         },
     },
@@ -216,6 +251,7 @@ CONFIGURATION_SCHEMA: ConfigurationSchema = {
         "schema": {
             "address": {
                 "type": "string",
+                "empty": False,
                 "is_url": ["http", "https"],
             },
             "debug": {
@@ -229,7 +265,10 @@ CONFIGURATION_SCHEMA: ConfigurationSchema = {
             "debug_allowed_hosts": {
                 "type": "list",
                 "coerce": "list",
-                "schema": {"type": "string"},
+                "schema": {
+                    "type": "string",
+                    "empty": False,
+                },
             },
             "enable_archive_upload": {
                 "type": "boolean",
@@ -237,10 +276,12 @@ CONFIGURATION_SCHEMA: ConfigurationSchema = {
             },
             "host": {
                 "type": "string",
+                "empty": False,
                 "is_ip_address": ["localhost"],
             },
             "index_url": {
                 "type": "string",
+                "empty": False,
                 "is_url": ["http", "https"],
             },
             "max_body_size": {
@@ -250,6 +291,7 @@ CONFIGURATION_SCHEMA: ConfigurationSchema = {
             },
             "password": {
                 "type": "string",
+                "empty": False,
             },
             "port": {
                 "type": "integer",
@@ -262,12 +304,18 @@ CONFIGURATION_SCHEMA: ConfigurationSchema = {
                 "coerce": "absolute_path",
                 "required": True,
                 "path_exists": True,
+                "path_type": "dir",
             },
             "templates": {
+                "type": "list",
+                "coerce": "list",
+                "schema": {
                     "type": "path",
                     "coerce": "absolute_path",
-                "required": True,
                     "path_exists": True,
+                    "path_type": "dir",
+                },
+                "empty": False,
             },
             "timeout": {
                 "type": "integer",
@@ -284,6 +332,7 @@ CONFIGURATION_SCHEMA: ConfigurationSchema = {
             },
             "username": {
                 "type": "string",
+                "empty": False,
             },
             "wait_timeout": {
                 "type": "integer",

src/ahriman/core/configuration/validator.py

@@ -162,3 +162,21 @@ class Validator(RootValidator):
                 self._error(field, f"Path {value} must not exist")
             case False if constraint:
                 self._error(field, f"Path {value} must exist")
+
+    def _validate_path_type(self, constraint: str, field: str, value: Path) -> None:
+        """
+        check if paths is file, directory or whatever. The match will be performed as call of ``is_{constraint}``
+        method of the path object
+
+        Args:
+            constraint(str): path type to be matched
+            field(str): field name to be checked
+            value(Path): value to be checked
+
+        Examples:
+            The rule's arguments are validated against this schema:
+            {"type": "string"}
+        """
+        fn = getattr(value, f"is_{constraint}")
+        if not fn():
+            self._error(field, f"Path {value} must be type of {constraint}")

src/ahriman/core/gitremote/remote_pull_trigger.py

@@ -38,7 +38,10 @@ class RemotePullTrigger(Trigger):
                 "target": {
                     "type": "list",
                     "coerce": "list",
-                    "schema": {"type": "string"},
+                    "schema": {
+                        "type": "string",
+                        "empty": False,
+                    },
                 },
             },
         },
@@ -48,9 +51,11 @@ class RemotePullTrigger(Trigger):
                 "pull_url": {
                     "type": "string",
                     "required": True,
+                    "empty": False,
                 },
                 "pull_branch": {
                     "type": "string",
+                    "empty": False,
                 },
             },
         },

src/ahriman/core/gitremote/remote_push_trigger.py

@@ -43,7 +43,10 @@ class RemotePushTrigger(Trigger):
                 "target": {
                     "type": "list",
                     "coerce": "list",
-                    "schema": {"type": "string"},
+                    "schema": {
+                        "type": "string",
+                        "empty": False,
+                    },
                 },
             },
         },
@@ -52,16 +55,20 @@ class RemotePushTrigger(Trigger):
             "schema": {
                 "commit_email": {
                     "type": "string",
+                    "empty": False,
                 },
                 "commit_user": {
                     "type": "string",
+                    "empty": False,
                 },
                 "push_url": {
                     "type": "string",
                     "required": True,
+                    "empty": False,
                 },
                 "push_branch": {
                     "type": "string",
+                    "empty": False,
                 },
             },
         },

src/ahriman/core/report/email.py

@@ -37,7 +37,6 @@ class Email(Report, JinjaTemplate):
     email report generator
 
     Attributes:
-        full_template_path(Path): path to template for full package list
         host(str): SMTP host to connect
         no_empty_report(bool): skip empty report generation
         password(str | None): password to authenticate via SMTP
@@ -45,7 +44,8 @@ class Email(Report, JinjaTemplate):
         receivers(list[str]): list of receivers emails
         sender(str): sender email address
         ssl(SmtpSSLSettings): SSL mode for SMTP connection
-        template_path(Path): path to template for built packages
+        template(Path | str): path or name to template for built packages
+        template_full(Path | str | None): path or name to template for full package list
         user(str | None): username to authenticate via SMTP
     """
 
@@ -61,8 +61,10 @@ class Email(Report, JinjaTemplate):
         Report.__init__(self, repository_id, configuration)
         JinjaTemplate.__init__(self, repository_id, configuration, section)
 
-        self.full_template_path = configuration.getpath(section, "full_template_path", fallback=None)
+        self.template = configuration.get(section, "template", fallback=None) or \
-        self.template_path = configuration.getpath(section, "template_path")
+            configuration.getpath(section, "template_path")
+        self.template_full = configuration.get(section, "template_full", fallback=None) or \
+            configuration.getpath(section, "full_template_path", fallback=None)
 
         # base smtp settings
         self.host = configuration.get(section, "host")
@@ -114,9 +116,10 @@ class Email(Report, JinjaTemplate):
         """
         if self.no_empty_report and not result.success:
             return
-        text = self.make_html(result, self.template_path)
+
-        if self.full_template_path is not None:
+        text = self.make_html(result, self.template)
-            attachments = {"index.html": self.make_html(Result(success=packages), self.full_template_path)}
-        else:
         attachments = {}
+        if self.template_full is not None:
+            attachments["index.html"] = self.make_html(Result(success=packages), self.template_full)
+
         self._send(text, attachments)

src/ahriman/core/report/html.py

@@ -31,7 +31,7 @@ class HTML(Report, JinjaTemplate):
 
     Attributes:
         report_path(Path): output path to html report
-        template_path(Path): path to template for full package list
+        template(Path | str): name or path to template for full package list
     """
 
     def __init__(self, repository_id: RepositoryId, configuration: Configuration, section: str) -> None:
@@ -47,7 +47,8 @@ class HTML(Report, JinjaTemplate):
         JinjaTemplate.__init__(self, repository_id, configuration, section)
 
         self.report_path = configuration.getpath(section, "path")
-        self.template_path = configuration.getpath(section, "template_path")
+        self.template = configuration.get(section, "template", fallback=None) or \
+            configuration.getpath(section, "template_path")
 
     def generate(self, packages: list[Package], result: Result) -> None:
         """
@@ -57,5 +58,5 @@ class HTML(Report, JinjaTemplate):
             packages(list[Package]): list of packages to generate report
             result(Result): build result
         """
-        html = self.make_html(Result(success=packages), self.template_path)
+        html = self.make_html(Result(success=packages), self.template)
         self.report_path.write_text(html, encoding="utf8")

src/ahriman/core/report/jinja_template.py

@@ -57,11 +57,12 @@ class JinjaTemplate:
         * repository - repository name, string, required
 
     Attributes:
+        default_pgp_key(str | None): default PGP key
         homepage(str | None): homepage link if any (for footer)
         link_path(str): prefix fo packages to download
         name(str): repository name
-        default_pgp_key(str | None): default PGP key
         sign_targets(set[SignSettings]): targets to sign enabled in configuration
+        templates(list[Path]): list of directories with templates
     """
 
     def __init__(self, repository_id: RepositoryId, configuration: Configuration, section: str) -> None:
@@ -73,26 +74,31 @@ class JinjaTemplate:
             configuration(Configuration): configuration instance
             section(str): settings section name
         """
-        self.link_path = configuration.get(section, "link_path")
+        self.templates = configuration.getpathlist(section, "templates", fallback=[])
 
         # base template vars
         self.homepage = configuration.get(section, "homepage", fallback=None)
+        self.link_path = configuration.get(section, "link_path")
         self.name = repository_id.name
-
         self.sign_targets, self.default_pgp_key = GPG.sign_options(configuration)
 
-    def make_html(self, result: Result, template_path: Path) -> str:
+    def make_html(self, result: Result, template_name: Path | str) -> str:
         """
         generate report for the specified packages
 
         Args:
             result(Result): build result
-            template_path(Path): path to jinja template
+            template_name(Path | str): name of the template or path to it (legacy configuration)
         """
+        templates = self.templates[:]
+        if isinstance(template_name, Path):
+            templates.append(template_name.parent)
+            template_name = template_name.name
+
         # idea comes from https://stackoverflow.com/a/38642558
-        loader = jinja2.FileSystemLoader(searchpath=template_path.parent)
+        loader = jinja2.FileSystemLoader(searchpath=templates)
-        environment = jinja2.Environment(loader=loader, autoescape=True)
+        environment = jinja2.Environment(trim_blocks=True, lstrip_blocks=True, autoescape=True, loader=loader)
-        template = environment.get_template(template_path.name)
+        template = environment.get_template(template_name)
 
         content = [
             {

src/ahriman/core/report/report_trigger.py

@@ -40,7 +40,10 @@ class ReportTrigger(Trigger):
                 "target": {
                     "type": "list",
                     "coerce": "list",
-                    "schema": {"type": "string"},
+                    "schema": {
+                        "type": "string",
+                        "empty": False,
+                    },
                 },
             },
         },
@@ -67,19 +70,25 @@ class ReportTrigger(Trigger):
                 "full_template_path": {
                     "type": "path",
                     "coerce": "absolute_path",
+                    "excludes": ["template_full"],
+                    "required": True,
                     "path_exists": True,
+                    "path_type": "file",
                 },
                 "homepage": {
                     "type": "string",
+                    "empty": False,
                     "is_url": ["http", "https"],
                 },
                 "host": {
                     "type": "string",
                     "required": True,
+                    "empty": False,
                 },
                 "link_path": {
                     "type": "string",
                     "required": True,
+                    "empty": False,
                     "is_url": [],
                 },
                 "no_empty_report": {
@@ -88,6 +97,7 @@ class ReportTrigger(Trigger):
                 },
                 "password": {
                     "type": "string",
+                    "empty": False,
                 },
                 "port": {
                     "type": "integer",
@@ -99,26 +109,58 @@ class ReportTrigger(Trigger):
                 "receivers": {
                     "type": "list",
                     "coerce": "list",
-                    "schema": {"type": "string"},
+                    "schema": {
+                        "type": "string",
+                        "empty": False,
+                    },
                     "required": True,
                     "empty": False,
                 },
                 "sender": {
                     "type": "string",
                     "required": True,
+                    "empty": False,
                 },
                 "ssl": {
                     "type": "string",
                     "allowed": ["ssl", "starttls", "disabled"],
                 },
+                "template": {
+                    "type": "string",
+                    "excludes": ["template_path"],
+                    "dependencies": ["templates"],
+                    "required": True,
+                    "empty": False,
+                },
+                "template_full": {
+                    "type": "string",
+                    "excludes": ["template_path"],
+                    "dependencies": ["templates"],
+                    "required": True,
+                    "empty": False,
+                },
                 "template_path": {
                     "type": "path",
                     "coerce": "absolute_path",
+                    "excludes": ["template"],
                     "required": True,
                     "path_exists": True,
+                    "path_type": "file",
+                },
+                "templates": {
+                    "type": "list",
+                    "coerce": "list",
+                    "schema": {
+                        "type": "path",
+                        "coerce": "absolute_path",
+                        "path_exists": True,
+                        "path_type": "dir",
+                    },
+                    "empty": False,
                 },
                 "user": {
                     "type": "string",
+                    "empty": False,
                 },
             },
         },
@@ -131,11 +173,13 @@ class ReportTrigger(Trigger):
                 },
                 "homepage": {
                     "type": "string",
+                    "empty": False,
                     "is_url": ["http", "https"],
                 },
                 "link_path": {
                     "type": "string",
                     "required": True,
+                    "empty": False,
                     "is_url": [],
                 },
                 "path": {
@@ -143,11 +187,31 @@ class ReportTrigger(Trigger):
                     "coerce": "absolute_path",
                     "required": True,
                 },
+                "template": {
+                    "type": "string",
+                    "excludes": ["template_path"],
+                    "dependencies": ["templates"],
+                    "required": True,
+                    "empty": False,
+                },
                 "template_path": {
                     "type": "path",
                     "coerce": "absolute_path",
+                    "excludes": ["template"],
                     "required": True,
                     "path_exists": True,
+                    "path_type": "file",
+                },
+                "templates": {
+                    "type": "list",
+                    "coerce": "list",
+                    "schema": {
+                        "type": "path",
+                        "coerce": "absolute_path",
+                        "path_exists": True,
+                        "path_type": "dir",
+                    },
+                    "empty": False,
                 },
             },
         },
@@ -161,30 +225,54 @@ class ReportTrigger(Trigger):
                 "api_key": {
                     "type": "string",
                     "required": True,
+                    "empty": False,
                 },
                 "chat_id": {
                     "type": "string",
                     "required": True,
+                    "empty": False,
                 },
                 "homepage": {
                     "type": "string",
+                    "empty": False,
                     "is_url": ["http", "https"],
                 },
                 "link_path": {
                     "type": "string",
                     "required": True,
+                    "empty": False,
                     "is_url": [],
                 },
+                "template": {
+                    "type": "string",
+                    "excludes": ["template_path"],
+                    "dependencies": ["templates"],
+                    "required": True,
+                    "empty": False,
+                },
                 "template_path": {
                     "type": "path",
                     "coerce": "absolute_path",
+                    "excludes": ["template"],
                     "required": True,
                     "path_exists": True,
+                    "path_type": "file",
                 },
                 "template_type": {
                     "type": "string",
                     "allowed": ["MarkdownV2", "HTML", "Markdown"],
                 },
+                "templates": {
+                    "type": "list",
+                    "coerce": "list",
+                    "schema": {
+                        "type": "path",
+                        "coerce": "absolute_path",
+                        "path_exists": True,
+                        "path_type": "dir",
+                    },
+                    "empty": False,
+                },
                 "timeout": {
                     "type": "integer",
                     "coerce": "integer",

src/ahriman/core/report/telegram.py

@@ -35,7 +35,7 @@ class Telegram(Report, JinjaTemplate, SyncHttpClient):
         TELEGRAM_MAX_CONTENT_LENGTH(int): (class attribute) max content length of the message
         api_key(str): bot api key
         chat_id(str): chat id to post message, either string with @ or integer
-        template_path(Path): path to template for built packages
+        template(Path | str): name or path to template for built packages
         template_type(str): template message type to be used in parse mode, one of MarkdownV2, HTML, Markdown
     """
 
@@ -57,7 +57,8 @@ class Telegram(Report, JinjaTemplate, SyncHttpClient):
 
         self.api_key = configuration.get(section, "api_key")
         self.chat_id = configuration.get(section, "chat_id")
-        self.template_path = configuration.getpath(section, "template_path")
+        self.template = configuration.get(section, "template", fallback=None) or \
+            configuration.getpath(section, "template_path")
         self.template_type = configuration.get(section, "template_type", fallback="HTML")
 
     def _send(self, text: str) -> None:
@@ -83,7 +84,7 @@ class Telegram(Report, JinjaTemplate, SyncHttpClient):
         """
         if not result.success:
             return
-        text = self.make_html(result, self.template_path)
+        text = self.make_html(result, self.template)
         # telegram content is limited by 4096 symbols, so we are going to split the message by new lines
         # to fit into this restriction
         while len(text) > self.TELEGRAM_MAX_CONTENT_LENGTH:

src/ahriman/core/support/keyring_trigger.py

@@ -43,7 +43,10 @@ class KeyringTrigger(Trigger):
                 "target": {
                     "type": "list",
                     "coerce": "list",
-                    "schema": {"type": "string"},
+                    "schema": {
+                        "type": "string",
+                        "empty": False,
+                    },
                 },
             },
         },
@@ -56,28 +59,47 @@ class KeyringTrigger(Trigger):
                 },
                 "description": {
                     "type": "string",
+                    "empty": False,
                 },
                 "homepage": {
                     "type": "string",
+                    "empty": False,
                 },
                 "license": {
                     "type": "list",
                     "coerce": "list",
+                    "schema": {
+                        "type": "string",
+                        "empty": False,
+                    },
                 },
                 "package": {
                     "type": "string",
+                    "empty": False,
                 },
                 "packagers": {
                     "type": "list",
                     "coerce": "list",
+                    "schema": {
+                        "type": "string",
+                        "empty": False,
+                    },
                 },
                 "revoked": {
                     "type": "list",
                     "coerce": "list",
+                    "schema": {
+                        "type": "string",
+                        "empty": False,
+                    },
                 },
                 "trusted": {
                     "type": "list",
                     "coerce": "list",
+                    "schema": {
+                        "type": "string",
+                        "empty": False,
+                    },
                 },
             },
         },

src/ahriman/core/support/mirrorlist_trigger.py

@@ -39,7 +39,10 @@ class MirrorlistTrigger(Trigger):
                 "target": {
                     "type": "list",
                     "coerce": "list",
-                    "schema": {"type": "string"},
+                    "schema": {
+                        "type": "string",
+                        "empty": False,
+                    },
                 },
             },
         },
@@ -52,16 +55,23 @@ class MirrorlistTrigger(Trigger):
                 },
                 "description": {
                     "type": "string",
+                    "empty": False,
                 },
                 "homepage": {
                     "type": "string",
+                    "empty": False,
                 },
                 "license": {
                     "type": "list",
                     "coerce": "list",
+                    "schema": {
+                        "type": "string",
+                        "empty": False,
+                    },
                 },
                 "package": {
                     "type": "string",
+                    "empty": False,
                 },
                 "path": {
                     "type": "path",
@@ -70,7 +80,12 @@ class MirrorlistTrigger(Trigger):
                 "servers": {
                     "type": "list",
                     "coerce": "list",
+                    "schema": {
+                        "type": "string",
+                        "empty": False,
+                    },
                     "required": True,
+                    "empty": False,
                 },
             },
         },

src/ahriman/core/upload/upload_trigger.py

@@ -40,7 +40,10 @@ class UploadTrigger(Trigger):
                 "target": {
                     "type": "list",
                     "coerce": "list",
-                    "schema": {"type": "string"},
+                    "schema": {
+                        "type": "string",
+                        "empty": False,
+                    },
                 },
             },
         },
@@ -54,13 +57,16 @@ class UploadTrigger(Trigger):
                 "owner": {
                     "type": "string",
                     "required": True,
+                    "empty": False,
                 },
                 "password": {
                     "type": "string",
+                    "empty": False,
                 },
                 "repository": {
                     "type": "string",
                     "required": True,
+                    "empty": False,
                 },
                 "timeout": {
                     "type": "integer",
@@ -73,6 +79,7 @@ class UploadTrigger(Trigger):
                 },
                 "username": {
                     "type": "string",
+                    "empty": False,
                 },
             },
         },
@@ -86,13 +93,17 @@ class UploadTrigger(Trigger):
                 "command": {
                     "type": "list",
                     "coerce": "list",
-                    "schema": {"type": "string"},
+                    "schema": {
+                        "type": "string",
+                        "empty": False,
+                    },
                     "required": True,
                     "empty": False,
                 },
                 "remote": {
                     "type": "string",
                     "required": True,
+                    "empty": False,
                 },
             },
         },
@@ -120,10 +131,12 @@ class UploadTrigger(Trigger):
                 "access_key": {
                     "type": "string",
                     "required": True,
+                    "empty": False,
                 },
                 "bucket": {
                     "type": "string",
                     "required": True,
+                    "empty": False,
                 },
                 "chunk_size": {
                     "type": "integer",
@@ -132,14 +145,17 @@ class UploadTrigger(Trigger):
                 },
                 "object_path": {
                     "type": "string",
+                    "empty": False,
                 },
                 "region": {
                     "type": "string",
                     "required": True,
+                    "empty": False,
                 },
                 "secret_key": {
                     "type": "string",
                     "required": True,
+                    "empty": False,
                 },
             },
         },

src/ahriman/web/web.py

@@ -147,7 +147,8 @@ def setup_service(repository_id: RepositoryId, configuration: Configuration, spa
     setup_cors(application)
 
     application.logger.info("setup templates")
-    aiohttp_jinja2.setup(application, loader=jinja2.FileSystemLoader(configuration.getpath("web", "templates")))
+    loader = jinja2.FileSystemLoader(searchpath=configuration.getpathlist("web", "templates"))
+    aiohttp_jinja2.setup(application, trim_blocks=True, lstrip_blocks=True, autoescape=True, loader=loader)
 
     application.logger.info("setup configuration")
     application["configuration"] = configuration

tests/ahriman/core/configuration/test_configuration.py

@@ -229,6 +229,19 @@ def test_getpath_without_fallback(configuration: Configuration) -> None:
         assert configuration.getpath("build", "option")
 
 
+def test_getpathlist(configuration: Configuration) -> None:
+    """
+    must extract path list
+    """
+    path = Path("/a/b/c")
+    configuration.set_option("build", "path", f"""{path} {path.relative_to("/")}""")
+
+    result = configuration.getpathlist("build", "path")
+    assert all(element.is_absolute() for element in result)
+    assert path in result
+    assert all(element.is_relative_to("/") for element in result)
+
+
 def test_gettype(configuration: Configuration) -> None:
     """
     must extract type from variable

tests/ahriman/core/configuration/test_validator.py

@@ -118,3 +118,27 @@ def test_validate_path_exists(validator: Validator, mocker: MockerFixture) -> No
         MockCall("field", "Path 2 must not exist"),
         MockCall("field", "Path 3 must exist"),
     ])
+
+
+def test_validate_path_type(validator: Validator, mocker: MockerFixture) -> None:
+    """
+    must correctly validate path type
+    """
+    error_mock = mocker.patch("ahriman.core.configuration.validator.Validator._error")
+
+    mocker.patch("pathlib.Path.is_file", return_value=True)
+    validator._validate_path_type("file", "field", Path("1"))
+
+    mocker.patch("pathlib.Path.is_file", return_value=False)
+    validator._validate_path_type("file", "field", Path("2"))
+
+    mocker.patch("pathlib.Path.is_dir", return_value=True)
+    validator._validate_path_type("dir", "field", Path("3"))
+
+    mocker.patch("pathlib.Path.is_dir", return_value=False)
+    validator._validate_path_type("dir", "field", Path("4"))
+
+    error_mock.assert_has_calls([
+        MockCall("field", "Path 2 must be type of file"),
+        MockCall("field", "Path 4 must be type of dir"),
+    ])

tests/ahriman/core/report/test_email.py

@@ -8,6 +8,35 @@ from ahriman.models.package import Package
 from ahriman.models.result import Result
 
 
+def test_template(configuration: Configuration) -> None:
+    """
+    must correctly parse template name and path
+    """
+    template = configuration.get("email", "template")
+    root, repository_id = configuration.check_loaded()
+
+    assert Email(repository_id, configuration, "email").template == template
+
+    configuration.remove_option("email", "template")
+    configuration.set_option("email", "template_path", template)
+    assert Email(repository_id, configuration, "email").template == root.parent / template
+
+
+def test_template_full(configuration: Configuration) -> None:
+    """
+    must correctly parse template name and path
+    """
+    template = "template"
+    root, repository_id = configuration.check_loaded()
+
+    configuration.set_option("email", "template_full", template)
+    assert Email(repository_id, configuration, "email").template_full == template
+
+    configuration.remove_option("email", "template_full")
+    configuration.set_option("email", "full_template_path", template)
+    assert Email(repository_id, configuration, "email").template_full == root.parent / template
+
+
 def test_send(email: Email, mocker: MockerFixture) -> None:
     """
     must send an email with attachment
@@ -115,7 +144,7 @@ def test_generate_with_built_and_full_path(email: Email, package_ahriman: Packag
     """
     send_mock = mocker.patch("ahriman.core.report.email.Email._send")
 
-    email.full_template_path = email.template_path
+    email.template_full = email.template
     email.generate([package_ahriman], result)
     send_mock.assert_called_once_with(pytest.helpers.anyvar(int), pytest.helpers.anyvar(int))
 

tests/ahriman/core/report/test_html.py

@@ -8,6 +8,20 @@ from ahriman.models.package import Package
 from ahriman.models.result import Result
 
 
+def test_template(configuration: Configuration) -> None:
+    """
+    must correctly parse template name and path
+    """
+    template = configuration.get("html", "template")
+    root, repository_id = configuration.check_loaded()
+
+    assert HTML(repository_id, configuration, "html").template == template
+
+    configuration.remove_option("html", "template")
+    configuration.set_option("html", "template_path", template)
+    assert HTML(repository_id, configuration, "html").template == root.parent / template
+
+
 def test_generate(configuration: Configuration, package_ahriman: Package, mocker: MockerFixture) -> None:
     """
     must generate report

tests/ahriman/core/report/test_jinja_template.py

@@ -8,7 +8,17 @@ def test_generate(configuration: Configuration, package_ahriman: Package) -> Non
     """
     must generate html report
     """
-    path = configuration.getpath("html", "template_path")
+    name = configuration.getpath("html", "template")
+    _, repository_id = configuration.check_loaded()
+    report = JinjaTemplate(repository_id, configuration, "html")
+    assert report.make_html(Result(success=[package_ahriman]), name)
+
+
+def test_generate_from_path(configuration: Configuration, package_ahriman: Package) -> None:
+    """
+    must generate html report from path
+    """
+    path = configuration.getpath("html", "templates") / configuration.get("html", "template")
     _, repository_id = configuration.check_loaded()
     report = JinjaTemplate(repository_id, configuration, "html")
     assert report.make_html(Result(success=[package_ahriman]), path)

tests/ahriman/core/report/test_telegram.py

@@ -10,6 +10,20 @@ from ahriman.models.package import Package
 from ahriman.models.result import Result
 
 
+def test_template(configuration: Configuration) -> None:
+    """
+    must correctly parse template name and path
+    """
+    template = configuration.get("telegram", "template")
+    root, repository_id = configuration.check_loaded()
+
+    assert Telegram(repository_id, configuration, "telegram").template == template
+
+    configuration.remove_option("telegram", "template")
+    configuration.set_option("telegram", "template_path", template)
+    assert Telegram(repository_id, configuration, "telegram").template == root.parent / template
+
+
 def test_send(telegram: Telegram, mocker: MockerFixture) -> None:
     """
     must send a message

tests/testresources/core/ahriman.ini

@@ -63,7 +63,8 @@ no_empty_report = no
 port = 587
 receivers = mail@example.com
 sender = mail@example.com
-template_path = ../web/templates/repo-index.jinja2
+template = repo-index.jinja2
+templates = ../web/templates
 
 [console]
 use_utf = yes
@@ -72,7 +73,8 @@ use_utf = yes
 path =
 homepage =
 link_path =
-template_path = ../web/templates/repo-index.jinja2
+template = repo-index.jinja2
+templates = ../web/templates
 
 [remote-call]
 manual = yes
@@ -82,7 +84,8 @@ api_key = apikey
 chat_id = @ahrimantestchat
 homepage =
 link_path =
-template_path = ../web/templates/telegram-index.jinja2
+template = telegram-index.jinja2
+templates = ../web/templates
 
 [upload]
 target =