tox (and travis ci?) were hiding the fact that the gdbm dependency was the problem

.travis.yml

@@ -6,6 +6,9 @@ python:
     - "2.7"
     - "3.2"
     - "3.3"
+before_install:
+    - sudo apt-get update
+    - sudo apt-get -y install python-gdbm python3-gdbm
 install: python setup.py install
 script: python setup.py test
 

bin/dump-anydbm

@@ -8,19 +8,31 @@ module can read. Included with warcprox because it's useful for inspecting a
 deduplication database or a playback index database, but it is a generic tool.
 """
 
-import anydbm
+try:
+    import dbm
+    whichdb = dbm.whichdb
+except:
+    import anydbm 
+    dbm = anydbm
+    from whichdb import whichdb
+
 import sys
+import os.path
 
 if __name__ == "__main__":
     if len(sys.argv) != 2:
         sys.stderr.write("usage: {} DBM_FILE\n".format(sys.argv[0]))
         exit(1)
 
-    # import whichdb
-    # which = whichdb.whichdb(sys.argv[1])
-    # print('{} is a {} db'.format(sys.argv[1], which))
+    if not os.path.exists(sys.argv[1]):
+        sys.stderr.write('No such file {}\n\n'.format(sys.argv[1]))
+        sys.stderr.write("usage: {} DBM_FILE\n".format(sys.argv[0]))
+        exit(1)
 
-    db = anydbm.open(sys.argv[1])
+    which = whichdb(sys.argv[1])
+    print('{} is a {} db'.format(sys.argv[1], which))
+
+    db = dbm.open(sys.argv[1], 'r')
 
     for key in db.keys():
         print("{}:{}".format(key, db[key]))

setup.py

@@ -12,7 +12,7 @@ setuptools.setup(name='warcprox',
         long_description=open('README.rst').read(),
         license='GPL',
         packages=['warcprox'],
-        install_requires=['pyopenssl', 'warctools>=4.8.3'],  # gdbm/dbhash?
+        install_requires=['gdbm', 'pyopenssl', 'warctools>=4.8.3'],
         dependency_links=['git+https://github.com/nlevitt/warctools.git@python3#egg=warctools-4.8.3'],
         tests_require=['requests>=2.0.1'],  # >=2.0.1 for https://github.com/kennethreitz/requests/pull/1636
         test_suite='warcprox.tests',

tox.ini

@@ -7,7 +7,6 @@
 envlist = py27, py32, py33
 
 [testenv]
+sitepackages = True
 commands = {envpython} setup.py test
 
-# commands = {envpython} -m unittest discover
-# deps = requests>=2.0.1