Add 'stdin' plugin. Allow flags to be empty (e.g. '-' and '--')

src/sshare/main.py

@@ -79,6 +79,7 @@ def main():
     plugins.add_from(
         Plugin.internal(INTERNAL_PLUGIN_LOCATION),
         "file",
+        "stdin",
         "current_time",
         "append_type",
         "ssh",

src/sshare/plugins/config.py

@@ -75,8 +75,8 @@ class Argument:
 
     def add(self, arg_parser):
         flags = []
-        if self._short: flags.append(f"-{self._short}")
+        if self._short != None: flags.append(f"-{self._short}")
-        if self._long:  flags.append(f"--{self._long}")
+        if self._long  != None: flags.append(f"--{self._long}")
         kwargs = self._kwargs | {
             "dest": self.dest()
         }

src/sshare/plugins/default/stdin.py

@@ -0,0 +1,31 @@
+# This file is part of SSHare.
+#
+# SSHare 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.
+#
+# SSHare 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
+# SSHare. If not, see <https://www.gnu.org/licenses/>.
+
+import sys
+
+from sshare.plugins.config import Flag
+from sshare.plugins.source import Raw
+
+plugin_type = "source"
+
+activate = { "stdin" }
+config = {
+    "suffix": "txt"
+}
+args = {
+    "stdin": Flag(help="Upload from stdin")
+}
+
+def get_source():
+    return Raw(config.suffix, sys.stdin.buffer.read())