debugging file paths

data/db.yaml

-- full_link: https://habr.com/ru/company/ruvds/news/t/577872/
-  short_link: ex1
-- full_link: https://habr.com/ru/company/ruvds/blog/576376/
-  short_link: li2
-- full_link: https://habr.com/ru/company/ruvds/blog/577754/
-  short_link: en3
-- full_link: https://habr.com/ru/company/ruvds/blog/576716/
-  short_link: zv4
+- full_link: https://habr.com/ru/company/ruvds/news/t/577872/
+  short_link: ex1
+- full_link: https://habr.com/ru/company/ruvds/blog/576376/
+  short_link: li2
+- full_link: https://habr.com/ru/company/ruvds/blog/577754/
+  short_link: en3
+- full_link: https://habr.com/ru/company/ruvds/blog/576716/
+  short_link: zv4

lib/libs.py

-import random
-import os
-import json
-
-
-class Config:
-    def __init__(self, path=os.path.join(__file__, r"..\..\settings.json")):
-        self._path = path
-        with open(self._path, "r") as f:
-            js = json.loads(f.read())
-            storage = js['storage']
-            path_to_yaml = js['path_to_yaml']
-
-        self.storage = storage
-        self.path_to_yaml = path_to_yaml
-
-
-class LinkGenerator:
-    """Takes the last generated link and returns a new in new_link variable"""
-    # сделал бы с помошью Unique но в ТЗ так
-    def __init__(self, last_link: str):
-        self._last_link = last_link
-        self._last_number = int(self._get_num()) + 1
-        self.new_link = (self._random_alpha() + str(self._last_number))
-
-    def _get_num(self):
-        """Parses a string and returns only numbers"""
-        try:
-            t = ''
-            for i in self._last_link:
-                if i.isdigit():
-                    t += i
-            return t
-        except Exception as e:
-            print(f'Error: {e}')
-            return ''
-
-    def _random_alpha(self):
-        """Return two random letters"""
-        return chr(random.randint(97, 122)) + chr(random.randint(97, 122))
+import random
+
+import json
+
+
+class Config:
+    """Read json and return objects"""
+    def __init__(self, path):
+        """path - path to pref.json"""
+        self._path = path
+        with open(self._path, "r") as f:
+            js = json.loads(f.read())
+            storage = js['storage']
+            name_yaml_bd = js['name_yaml_bd']
+
+        self.storage = storage
+        self.name_yaml_bd = name_yaml_bd
+
+
+class LinkGenerator:
+    """Takes the last generated link and returns a new in new_link variable"""
+    # сделал бы с помошью Unique но в ТЗ так
+    def __init__(self, last_link: str):
+        self._last_link = last_link
+        self._last_number = int(self._get_num()) + 1
+        self.new_link = (self._random_alpha() + str(self._last_number))
+
+    def _get_num(self):
+        """Parses a string and returns only numbers"""
+        try:
+            t = ''
+            for i in self._last_link:
+                if i.isdigit():
+                    t += i
+            return t
+        except Exception as e:
+            print(f'Error: {e}')
+            return ''
+
+    def _random_alpha(self):
+        """Return two random letters"""
+        return chr(random.randint(97, 122)) + chr(random.randint(97, 122))

lib/yaml_manager.py

-import os
-import yaml
-
-yaml_conf = YamlConfig()
-
-class YamlManager:
-    def __init__(self, path):
-        self._path = path
-        if os.path.exists(self._path):
-            self.last_short_link = self.get_last_dict()['short_link']
-        else:
-            self.last_short_link = '0'
-
-    def save(self, short_link: str, full_link: str):
-        with open(self._path, 'a') as f:
-            yaml.dump([{"short_link": short_link, "full_link": full_link}], f, default_flow_style=False)
-
-    def read(self):
-        """Return all dict from yaml"""
-        try:
-            with open(yaml_conf.path_to_yaml) as f:
-                templates = yaml.safe_load(f)
-            return templates
-        except:
-            return None
-
-    def get_by_key(self, key):
-        try:
-            for s in self.read():
-                if key == s['short_link']:
-                    return s['full_link']
-        except:
-            return False
-
-    def get_last_dict(self):
-        """Return last element from yaml"""
-        return self.read()[-1]
\ No newline at end of file
+import os
+
+import yaml
+
+
+class YamlManager:
+    def __init__(self, path):
+        """path = path to db"""
+        self._path = path
+        if os.path.exists(self._path):
+            self.last_short_link = self.get_last_dict()['short_link']
+        else:
+            self.last_short_link = '0'
+
+    def save(self, short_link: str, full_link: str):
+        with open(self._path, 'a') as f:
+            yaml.dump([{"short_link": short_link, "full_link": full_link}], f, default_flow_style=False)
+
+    def read(self):
+        """Return all dict from yaml"""
+        try:
+            with open(self._path) as f:
+                items = yaml.safe_load(f)
+            return items
+        except:
+            return None
+
+    def get_by_key(self, key):
+        try:
+            for s in self.read():
+                if key == s['short_link']:
+                    return s['full_link']
+        except:
+            return False
+
+    def get_last_dict(self):
+        """Return last element from yaml"""
+        return self.read()[-1]

main.py

-from starlette.responses import PlainTextResponse, RedirectResponse
-from typing import Optional
-from fastapi import FastAPI, Path, Query
-
-from settings import YamlConfig
-from settings import StorageConfig
-from lib import YamlManager
-
-storage_conf = StorageConfig()
-yaml_conf = YamlConfig()
-yaml = YamlManager(path=yaml_conf.path_to_yaml)
-
-app = FastAPI()
-
-
-@app.get("/{shorted_link}")
-async def short_link(shorted_link: str):
-    if storage_conf.storage == 'yaml':
-        key = yaml.get_by_key(shorted_link)
-        if key:
-            return RedirectResponse(url=key)
-        else:
-            return '404 Not found'
+from pathlib import Path
+from fastapi import FastAPI
+from starlette.responses import RedirectResponse
+
+from lib.libs import Config
+from lib.yaml_manager import YamlManager
+
+conf = Config(Path("pref.json"))
+
+path_to_yaml_db = Path("data", conf.name_yaml_bd)
+
+yaml = YamlManager(path=path_to_yaml_db)
+
+app = FastAPI()
+
+
+@app.get("/{shorted_link}")
+async def short_link(shorted_link: str):
+    if conf.storage == 'yaml':
+        key = yaml.get_by_key(shorted_link)
+        if key:
+            return RedirectResponse(url=key)
+        else:
+            return '404 Not found'

pref.json

+{
+  "storage": "yaml",
+  "name_yaml_bd": "db.yaml"
+}

requirements.txt

-argon2-cffi==21.1.0
-asgiref==3.4.1
-atomicwrites==1.4.0
-attrs==21.2.0
-backcall==0.2.0
-beautifulsoup4==4.9.3
-betterconf==2.6.1
-bleach==4.1.0
-bs4==0.0.1
-certifi==2021.5.30
-cffi==1.14.6
-charset-normalizer==2.0.4
-click==8.0.1
-colorama==0.4.4
-cycler==0.10.0
-debugpy==1.4.1
-decorator==5.0.9
-defusedxml==0.7.1
-entrypoints==0.3
-fastapi==0.68.1
-Flask==2.0.1
-greenlet==1.1.1
-h11==0.12.0
-httptools==0.2.0
-idna==3.2
-iniconfig==1.1.1
-ipykernel==6.3.1
-ipython==7.27.0
-ipython-genutils==0.2.0
-itsdangerous==2.0.1
-jedi==0.18.0
-Jinja2==3.0.1
-jsonschema==3.2.0
-jupyter-client==7.0.2
-jupyter-core==4.7.1
-jupyterlab-pygments==0.1.2
-jupyterthemes==0.20.0
-kiwisolver==1.3.2
-lesscpy==0.15.0
-lxml==4.6.3
-MarkupSafe==2.0.1
-matplotlib==3.4.3
-matplotlib-inline==0.1.2
-mistune==0.8.4
-MouseInfo==0.1.3
-nbclient==0.5.4
-nbconvert==6.1.0
-nbformat==5.1.3
-nest-asyncio==1.5.1
-notebook==6.4.3
-numpy==1.21.2
-packaging==21.0
-pandocfilters==1.4.3
-parso==0.8.2
-pathlib==1.0.1
-pickleshare==0.7.5
-Pillow==8.3.1
-pluggy==1.0.0
-ply==3.11
-prometheus-client==0.11.0
-prompt-toolkit==3.0.20
-py==1.10.0
-PyAutoGUI==0.9.53
-pycparser==2.20
-pydantic==1.8.2
-PyGetWindow==0.0.9
-Pygments==2.10.0
-PyMsgBox==1.0.9
-pyparsing==2.4.7
-pyperclip==1.8.2
-PyRect==0.1.4
-pyrsistent==0.18.0
-PyScreeze==0.1.27
-pyTelegramBotAPI==4.0.0
-pytest==6.2.5
-python-dateutil==2.8.2
-python-dotenv==0.19.0
-PyTweening==1.0.3
-pytz==2021.1
-pywin32==301
-pywinpty==1.1.3
-PyYAML==5.4.1
-pyzmq==22.2.1
-requests==2.26.0
-Send2Trash==1.8.0
-six==1.16.0
-soupsieve==2.2.1
-SQLAlchemy==1.4.23
-starlette==0.14.2
-terminado==0.11.1
-testpath==0.5.0
-toml==0.10.2
-tornado==6.1
-traitlets==5.1.0
-typing-extensions==3.10.0.2
-urllib3==1.26.6
-uvicorn==0.15.0
-watchgod==0.7
-wcwidth==0.2.5
-webencodings==0.5.1
-websockets==10.0
-Werkzeug==2.0.1
-
-
-
-pip install PyYAML
-pip install fastapi
-
-
-
-PyYAML>=5.4.1
-fastapi>=0.68.1
+PyYAML==5.4.1
+fastapi==0.68.1
+uvicorn==0.15.0
+starlette~=0.14.2
+pathlib~=1.0.1
\ No newline at end of file

settings.json

-{
-  "name": "$name$",
-  "version": "$version$",
-  "dependencies": {
-    $END$
-  }
-}