Initial commit

.gitignore

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+.vscode/
+.venv/
+__pycache__/
+dist/
+build/
+*.egg-info/

LICENSE

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+Copyright (c) 2021, samedamci <samedamci@disroot.org>
+
+Permission to use, copy, modify, and distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

gitfiler/__init__.py

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+from .app import GitFiler as gitfiler

gitfiler/app.py

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+from urllib.request import urlopen
+from urllib.parse import urlparse
+from urllib.error import HTTPError
+import re
+
+
+class UnsupportedURL(Exception):
+    pass
+
+
+class InvalidURL(Exception):
+    pass
+
+
+class GitFiler:
+    def __init__(self, url: str) -> None:
+        self.allowed_domains = ["github.com", "gitlab.com"]
+        self.base_url = url
+        self.final_url = self.convert_url(self.base_url)
+        try:
+            with urlopen(self.final_url) as req:
+                self.text = str(req.read(), encoding="utf-8")
+        except HTTPError as e:
+            error_code = e.code
+            if error_code == 404:
+                raise InvalidURL("Site/file does not exists")
+
+    @property
+    def url_domain(self) -> str:
+        return re.sub(r"^https?://", "", self.base_url).split("/")[0]
+
+    @property
+    def is_domain_allowed(self) -> bool:
+        return True if self.url_domain in self.allowed_domains else False
+
+    def validate_url(self, url: str) -> str:
+        result = urlparse(url)
+        if (
+            all([result.scheme, result.netloc])
+            and re.search(r"^https?://", url) is not None
+        ):
+            if self.is_domain_allowed:
+                return url
+            else:
+                raise UnsupportedURL(f"URL not in {self.allowed_domains}")
+        else:
+            raise InvalidURL("Specified string is not valid URL")
+
+    def convert_url(self, url: str) -> str:
+        url = self.validate_url(url)
+        domain = self.url_domain
+        if domain == "github.com":
+            converted_str = url.replace(
+                "github.com", "raw.githubusercontent.com"
+            ).replace("/blob/", "/")
+        elif domain == "gitlab.com":
+            converted_str = url.replace("/blob/", "/raw/")
+        return converted_str

setup.py

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+from setuptools import find_packages, setup
+
+source_url = "https://github.com/samedamci/gitfiler"
+
+setup(
+    name="gitfiler",
+    version="0.1",
+    description="Simple tool to download single file from GitHub or GitLab.",
+    author="samedamci",
+    author_email="samedamci@disroot.org",
+    url=source_url,
+    project_urls={
+        "Source": source_url,
+        "Tracker": f"{source_url}/issues",
+    },
+    classifiers=[
+        "Development Status :: 5 - Production/Stable",
+        "Intended Audience :: Developers",
+        "License :: OSI Approved :: ISC License (ISCL)",
+        "Programming Language :: Python",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.6",
+        "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: Implementation :: CPython",
+        "Programming Language :: Python :: Implementation :: PyPy",
+        "Topic :: Software Development :: Libraries",
+        "Typing :: Typed",
+    ],
+    keywords="github gitlab downloader",
+    python_requires=">=3.6",
+    packages=find_packages(include=["gitfiler"]),
+)