init, add, remove, purge

COMMANDS.md

@@ -0,0 +1,16 @@
+# Tagging
+
++ add file.txt @context +project #tag This is a note
++ del file.txt @context
+
+# File Operations
+
++ copy/cp file.txt dir/file.txt
++ move/mv file.txt dir/file.txt
++ del/rm file.txt
+
+# DB Operations
+
++ dir/list/ls -r dir TERM
++ listcon/lsc -r dir TERM
++ listproj/lsprj -r dir TERM

TODO.md

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++ yaml db
++ command line tools
++ todo.txt like commands
++ recursion
++ audio player (id3 tags)
++ support for markdown tags

context.yaml

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+TODO.md:
+  contexts: []
+  note: and another note
+  projects:
+  - project2
+  tags:
+  - tag2
+file.txt:
+  contexts: []
+  projects: []
+  tags:
+  - frrr
+frrr.md:
+  contexts: []
+  projects: []
+  tags:
+  - frrr

dir/context.yaml

@@ -0,0 +1,5 @@
+file.txt:
+  contexts: []
+  note: weird
+  projects: []
+  tags: []

orvani.py

@@ -0,0 +1,89 @@
+import os
+import yaml
+
+class OrvaniTag:
+
+    DB = dict()
+    FILE = ''
+    CTX = {
+        'contexts' : '@',
+        'projects' : '+',
+        'tags'     : '#'
+    }
+
+    def __init__(self, path: str='context.yaml', contexts=CTX):
+        self.FILE = path
+        self.__cd()
+
+    def __cd(self):
+        """change file context to subdirectory"""
+        if os.path.isfile(self.FILE):
+            try:
+                with open(self.FILE, 'r') as data:
+                    self.DB = yaml.safe_load(data)
+            except Exception:
+                print('File does not exist')
+        else:
+            self.DB = dict()
+
+    def __save(self):
+        """save context file to current directory"""
+        try:
+            with open(self.FILE, 'w+') as data:
+                yaml.dump(self.DB, data)
+        except Exception:
+            print('File write error')
+            
+    def __context(self, argv) -> dict:
+        """create context for given filename"""
+        context = dict()
+        for ctx in self.CTX.keys():
+            context.update( { ctx : []})
+        for arg in argv:
+            for ctx in self.CTX.keys():
+                if str(arg)[0] in self.CTX.values():
+                    if str(arg).startswith(self.CTX[ctx]):
+                        context[ctx].append(str(arg)[1:])
+                else:
+                    context.update( { 'note' : str(arg)})
+        return context
+
+    def add(self, file: str, *argv: str):
+        if os.path.dirname(file):
+            self.FILE = os.path.join(os.path.dirname(file), self.FILE)
+            self.__cd()
+        file = os.path.basename(file)
+        context = self.__context(argv)
+        if file in self.DB:
+            for ctx in self.CTX.keys():
+                self.DB[file][ctx] = list(set( self.DB[file][ctx] + context[ctx]))
+            if 'note' in context.keys():
+                self.DB[file]['note'] = context['note']
+        else:
+            self.DB.update( { file : context } )
+        self.__save()
+
+    def remove(self, file: str, *argv: str):
+        if os.path.dirname(file):
+            self.FILE = os.path.join(os.path.dirname(file), self.FILE)
+            self.__cd()
+        file = os.path.basename(file)
+        context = self.__context(argv)
+        if file in self.DB:
+            for ctx in self.CTX.keys():
+                for item in context[ctx]:
+                    if item in self.DB[file][ctx]:
+                        self.DB[file][ctx].remove(item)
+        self.__save()
+
+    def purge(self, file: str):
+        if os.path.dirname(file):
+            self.FILE = os.path.join(os.path.dirname(file), self.FILE)
+            self.__cd()
+        file = os.path.basename(file)
+        if file in self.DB:
+            del self.DB[file]
+        self.__save()
+
+o = OrvaniTag()
+o.add('dir/file.txt', 'weird')