fix: Run and Create a Pull Request

src/pipupgrade/_compat.py

@@ -40,7 +40,7 @@ def iterkeys(dict_, **kwargs):
 
 if PY2:
     # moves
-    from urllib2 import urlopen
+    from urllib2 import urlopen, Request, urlencode
     from urllib2 import HTTPError
 
     from __builtin__ import raw_input as input
@@ -51,7 +51,8 @@ def iterkeys(dict_, **kwargs):
     from itertools import izip_longest as zip_longest
 else:
     # moves
-    from urllib.request import urlopen
+    from urllib.request import urlopen, Request
+    from urllib.parse   import urlencode
     from urllib.error   import HTTPError
 
     from builtins import input

src/pipupgrade/cli/parser.py

@@ -91,6 +91,10 @@ def get_parser():
         help    = "Target GitHub Username",
         default = getenv("GITHUB_USERNAME")
     )
+    parser.add_argument("--target-branch",
+        help    = "Target Branch",
+        default = getenv("TARGET_BRANCH", "master")
+    )
     parser.add_argument("-u", "--user",
         action  = "store_true",
         help    = "Install to the Python user install directory for environment \

src/pipupgrade/commands/__init__.py

@@ -141,6 +141,7 @@ def command(
 	github_access_token = None,
 	github_reponame     = None,
 	github_username     = None,
+	target_branch       = "master",
 	latest				= False,
 	self 		 		= False,
 	user		 		= False,
@@ -287,13 +288,30 @@ def command(
 					branch   = get_timestamp_str(format_ = "%Y%m%d%H%M%S")
 					popen("git checkout -B %s" % branch)
 
+					title    = "fix(dependencies): Update dependencies to latest"
+					body     = ""
+
 					# TODO: cross-check with "git add" ?
 					popen("git add %s" % " ".join(p.requirements), cwd = p.path)
-					popen("git commit -m 'fix(dependencies): Update dependencies to latest.'", cwd = p.path)
+					popen("git commit -m '%s'" % title, cwd = p.path)
 
 					popen("git push origin %s" % branch, cwd = p.path)
 
 					if not github_reponame:
 						raise ValueError(errstr % ("GitHub Reponame", "--github-reponame", getenvvar("GITHUB_REPONAME")))
 					if not github_username:
-						raise ValueError(errstr % ("GitHub Username", "--github-username", getenvvar("GITHUB_USERNAME")))
+						raise ValueError(errstr % ("GitHub Username", "--github-username", getenvvar("GITHUB_USERNAME")))
+
+					url       = "/".join(["https://api.github.com", "repos", github_username, github_reponame])
+					params    = dict(
+						head  = "%s:branch" % git_username,
+						base  = target_branch,
+						title = title,
+						body  = body
+					)
+					response = req.post(url, params = params)
+
+					if response.ok:
+						pass
+					else:
+						response.raise_for_status()

src/pipupgrade/request/__init__.py

@@ -1,11 +1,17 @@
 # imports - compatibility imports
-from pipupgrade._compat import urlopen, HTTPError
+from pipupgrade._compat import (
+    urlopen,
+    Request,
+    urlencode,
+    HTTPError
+)
 
 # imports - standard imports
 import json
 
 # imports - module imports
 from pipupgrade.request.response import Response
+from pipupgrade.util.string      import safe_encode
 
 def get(*args, **kwargs):
     try:
@@ -36,6 +42,21 @@ def post(*args, **kwargs):
         return req.post(*args, **kwargs)
     except ImportError:
         url      = kwargs.get("url")
+        params   = kwargs.get("params", { })
+
         response = Response()
+
+        try:
+            request          = Request(url, safe_encode(urlencode(params)))
+            http_response    = urlopen(request)
+
+            response.content = http_response.read()
+
+            http_response.close()
+        except HTTPError as e:
+            status_code      = e.getcode()
+
+        response.url         = url
+        response.status_code = status_code
 
         return response

src/pipupgrade/util/string.py

@@ -25,4 +25,12 @@ def kebab_case(string, delimiter = " "):
     words = string.replace(delimiter, " ").split()
     kebab = "-".join([word.lower() for word in words])
 
-    return kebab
+    return kebab
+
+def safe_encode(obj, encoding = "utf-8"):
+    try:
+        obj = obj.encode(encoding)
+    except (AttributeError, UnicodeEncodeError):
+        pass
+
+    return obj