Merge branch 'less-deps'

dephell/converters/setuppy.py

@@ -8,15 +8,23 @@
 # external
 from dephell_specifier import RangeSpecifier
 from packaging.requirements import Requirement
-from yapf.yapflib.style import CreateGoogleStyle
-from yapf.yapflib.yapf_api import FormatCode
 
 # app
 from ..controllers import DependencyMaker, Readme
 from ..models import Author, EntryPoint, RootDependency
 from ..utils import chdir
 from .base import BaseConverter
 
+try:
+    from yapf.yapflib.style import CreateGoogleStyle
+    from yapf.yapflib.yapf_api import FormatCode
+except ImportError:
+    FormatCode = None
+try:
+    from autopep8 import fix_code
+except ImportError:
+    fix_code = None
+
 
 TEMPLATE = """
 # -*- coding: utf-8 -*-
@@ -175,7 +183,7 @@ def dumps(self, reqs, project: RootDependency, content=None) -> str:
         data = {package: sorted(paths) for package, paths in data.items()}
         content.append(('package_data', data))
 
-        reqs_list = [self._format_req(req=req) for req in reqs]
+        reqs_list = [self._format_req(req=req) for req in reqs if not req.main_envs]
         content.append(('install_requires', reqs_list))
 
         extras = defaultdict(list)
@@ -195,7 +203,12 @@ def dumps(self, reqs, project: RootDependency, content=None) -> str:
         content = ',\n    '.join('{}={!r}'.format(name, value) for name, value in content)
         content = TEMPLATE.format(kwargs=content, readme=readme)
 
-        content, _changed = FormatCode(content, style_config=CreateGoogleStyle())
+        # beautify
+        if FormatCode is not None:
+            content, _changed = FormatCode(content, style_config=CreateGoogleStyle())
+        if fix_code is not None:
+            content = fix_code(content)
+
         return content
 
     # private methods

dephell/repositories/warehouse.py

@@ -7,7 +7,6 @@
 
 # external
 import attr
-import aiofiles
 import requests
 from aiohttp import ClientSession
 from dephell_markers import Markers
@@ -23,6 +22,12 @@
 from .base import Interface
 
 
+try:
+    import aiofiles
+except ImportError:
+    aiofiles = None
+
+
 def _process_url(url: str) -> str:
     parsed = urlparse(url)
     if parsed.path in ('', '/', '/simple', '/simple/'):
@@ -233,11 +238,22 @@ async def _download_and_parse(self, *, url: str, converter) -> Tuple[str, ...]:
                             response.status, response.reason, url,
                         ))
                     path = Path(tmp) / url.rsplit('/', maxsplit=1)[-1]
-                    async with aiofiles.open(str(path), mode='wb') as stream:
-                        while True:
-                            chunk = await response.content.read(1024)
-                            if not chunk:
-                                break
-                            await stream.write(chunk)
+
+                    # download file
+                    if aiofiles is not None:
+                        async with aiofiles.open(str(path), mode='wb') as stream:
+                            while True:
+                                chunk = await response.content.read(1024)
+                                if not chunk:
+                                    break
+                                await stream.write(chunk)
+                    else:
+                        with path.open(mode='wb') as stream:
+                            while True:
+                                chunk = await response.content.read(1024)
+                                if not chunk:
+                                    break
+                                stream.write(chunk)
+
             root = converter.load(path)
             return tuple(str(dep) for dep in root.dependencies)

pyproject.toml

@@ -72,7 +72,6 @@ dephell = "dephell.cli:entrypoint"
 
 [tool.poetry.dependencies]
 python = ">=3.5"
-aiofiles = "*"
 aiohttp = "*"
 appdirs = "*"
 attrs = "*"
@@ -85,7 +84,13 @@ pip = "*"
 requests = "*"
 tomlkit = "*"
 tqdm = "*"
-yapf = "*"
+
+# optional
+aiofiles = {optional = true}
+autopep8 = {optional = true}
+colorama = {optional = true}
+graphviz = {optional = true}
+yapf = {optional = true}
 
 # dephell ecosystem
 dephell_archive = "*"     # https://github.com/dephell/dephell_archive
@@ -104,5 +109,6 @@ sphinx-rtd-theme = "*"
 pygments-github-lexers = "*"
 
 [tool.poetry.extras]
+full = ["aiofiles", "autopep8", "colorama", "graphviz", "yapf"]
 tests = ["pytest"]
 docs = ["sphinx", "recommonmark", "sphinx-rtd-theme", "pygments-github-lexers"]