Add 4.3 datacite requirement

requirements.txt

@@ -0,0 +1,8 @@
+requests
+idutils
+progressbar2
+caltechdata_api>=0.1.3
+py_dataset>=0.1.4
+pandas
+ArchivesSnake
+datacite @ git+https://github.com/caltechlibrary/datacite.git@rest-api#egg=datacite

setup.py

@@ -19,6 +19,14 @@ def read(fname):
     return src
 
 
+def read_requirements():
+    """Parse requirements from requirements.txt."""
+    reqs_path = os.path.join(".", "requirements.txt")
+    with open(reqs_path, "r") as f:
+        requirements = [line.rstrip() for line in f]
+    return requirements
+
+
 codemeta_json = "codemeta.json"
 
 
@@ -82,7 +90,7 @@ def package_files(package, directory):
     "caltechdata_api>=0.1.3",
     "py_dataset>=0.1.4",
     "pandas",
-    "ArchivesSnake"
+    "ArchivesSnake",
 ]
 
 # What packages are optional?
@@ -164,7 +172,7 @@ def run(self):
     # entry_points={
     #     'console_scripts': ['mycli=mymodule:cli'],
     # },
-    install_requires=REQUIRED,
+    install_requires=read_requirements(),
     extras_require=EXTRAS,
     package_data={name: files},
     license=lic,