Deprecate running with Python 3.5

.travis.yml

@@ -27,7 +27,6 @@ deploy:
 
 env:
   matrix:
-    - PYTHON_VERSION=3.5
     - PYTHON_VERSION=3.6
     - PYTHON_VERSION=3.7
     - PYTHON_VERSION=3.8

gns3server/run.py

@@ -236,9 +236,9 @@ def run():
             return
         log.info("HTTP authentication is enabled with username '{}'".format(user))
 
-    # we only support Python 3 version >= 3.5.3
-    if sys.version_info < (3, 5, 3):
-        raise SystemExit("Python 3.5.3 or higher is required")
+    # we only support Python 3 version >= 3.6
+    if sys.version_info < (3, 6, 0):
+        raise SystemExit("Python 3.6 or higher is required")
 
     user_log.info("Running with Python {major}.{minor}.{micro} and has PID {pid}".format(major=sys.version_info[0], minor=sys.version_info[1],
                                                                                          micro=sys.version_info[2], pid=os.getpid()))

gns3server/utils/asyncio/aiozipstream.py

@@ -31,7 +31,6 @@ import zipfile
 import asyncio
 import aiofiles
 from concurrent import futures
-from async_generator import async_generator, yield_
 
 from zipfile import (structCentralDir, structEndArchive64, structEndArchive, structEndArchive64Locator,
                      stringCentralDir, stringEndArchive64, stringEndArchive, stringEndArchive64Locator)
@@ -162,7 +161,6 @@ class ZipFile(zipfile.ZipFile):
         self._comment = comment
         self._didModify = True
 
-    @async_generator
     async def data_generator(self, path):
 
         async with aiofiles.open(path, "rb") as f:
@@ -170,7 +168,7 @@ class ZipFile(zipfile.ZipFile):
                 part = await f.read(self._chunksize)
                 if not part:
                     break
-                await yield_(part)
+                yield part
         return
 
     async def _run_in_executor(self, task, *args, **kwargs):
@@ -181,14 +179,13 @@ class ZipFile(zipfile.ZipFile):
         loop = asyncio.get_event_loop()
         return await loop.run_in_executor(futures.ThreadPoolExecutor(max_workers=1), task, *args, **kwargs)
 
-    @async_generator
     async def _stream(self):
 
         for kwargs in self.paths_to_write:
             async for chunk in self._write(**kwargs):
-                await yield_(chunk)
+                yield chunk
         for chunk in self._close():
-            await yield_(chunk)
+            yield chunk
 
     def write(self, filename, arcname=None, compress_type=None):
         """
@@ -215,7 +212,6 @@ class ZipFile(zipfile.ZipFile):
             yield data
         return self.write_iter(arcname, _iterable(), compress_type=compress_type)
 
-    @async_generator
     async def _write(self, filename=None, iterable=None, arcname=None, compress_type=None):
         """
         Put the bytes from filename into the archive under the name `arcname`.
@@ -272,7 +268,7 @@ class ZipFile(zipfile.ZipFile):
             zinfo.CRC = 0
             self.filelist.append(zinfo)
             self.NameToInfo[zinfo.filename] = zinfo
-            await yield_(self.fp.write(zinfo.FileHeader(False)))
+            yield self.fp.write(zinfo.FileHeader(False))
             return
 
         cmpr = _get_compressor(zinfo.compress_type)
@@ -282,7 +278,7 @@ class ZipFile(zipfile.ZipFile):
         zinfo.compress_size = compress_size = 0
         # Compressed size can be larger than uncompressed size
         zip64 = self._allowZip64 and zinfo.file_size * 1.05 > zipfile.ZIP64_LIMIT
-        await yield_(self.fp.write(zinfo.FileHeader(zip64)))
+        yield self.fp.write(zinfo.FileHeader(zip64))
 
         file_size = 0
         if filename:
@@ -292,7 +288,7 @@ class ZipFile(zipfile.ZipFile):
                 if cmpr:
                     buf = await self._run_in_executor(cmpr.compress, buf)
                     compress_size = compress_size + len(buf)
-                await yield_(self.fp.write(buf))
+                yield self.fp.write(buf)
         else: # we have an iterable
             for buf in iterable:
                 file_size = file_size + len(buf)
@@ -300,12 +296,12 @@ class ZipFile(zipfile.ZipFile):
                 if cmpr:
                     buf = await self._run_in_executor(cmpr.compress, buf)
                     compress_size = compress_size + len(buf)
-                await yield_(self.fp.write(buf))
+                yield self.fp.write(buf)
 
         if cmpr:
             buf = cmpr.flush()
             compress_size = compress_size + len(buf)
-            await yield_(self.fp.write(buf))
+            yield self.fp.write(buf)
             zinfo.compress_size = compress_size
         else:
             zinfo.compress_size = file_size
@@ -317,7 +313,7 @@ class ZipFile(zipfile.ZipFile):
             if compress_size > zipfile.ZIP64_LIMIT:
                 raise RuntimeError('Compressed size larger than uncompressed size')
 
-        await yield_(self.fp.write(zinfo.DataDescriptor()))
+        yield self.fp.write(zinfo.DataDescriptor())
         self.filelist.append(zinfo)
         self.NameToInfo[zinfo.filename] = zinfo
 

requirements.txt

@@ -1,10 +1,8 @@
-yarl==1.3.0  # yarl 1.4+ requires Python 3.6+ (needed by aiohttp and aiohttp-cors)
 jsonschema==3.2.0; python_version >= '3.8'  # pyup: ignore
 jsonschema==2.6.0; python_version < '3.8'  # pyup: ignore
 aiohttp==3.6.2
 aiohttp-cors==0.7.0
 aiofiles==0.4.0
-async_generator>=1.10
 Jinja2>=2.7.3
 raven>=5.23.0
 psutil==5.6.6

setup.py

@@ -61,7 +61,7 @@ setup(
     include_package_data=True,
     zip_safe=False,
     platforms="any",
-    python_requires='>=3.5.3',
+    python_requires='>=3.6.0',
     setup_requires=["setuptools>=17.1"],
     classifiers=[
         "Development Status :: 5 - Production/Stable",
@@ -75,7 +75,6 @@ setup(
         "Operating System :: Microsoft :: Windows",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",