Updating with pylint and pydocstyle testing

server/.env

@@ -1 +1 @@
-FLASK_APP=corvus
+FLASK_APP=atheneum:atheneum

server/.pylintrc

@@ -0,0 +1,547 @@
+[MASTER]
+
+# A comma-separated list of package or module names from where C extensions may
+# be loaded. Extensions are loading into the active Python interpreter and may
+# run arbitrary code
+extension-pkg-whitelist=
+
+# Add files or directories to the blacklist. They should be base names, not
+# paths.
+ignore=CVS
+
+# Add files or directories matching the regex patterns to the blacklist. The
+# regex matches against base names, not paths.
+ignore-patterns=
+
+# Python code to execute, usually for sys.path manipulation such as
+# pygtk.require().
+#init-hook=
+
+# Use multiple processes to speed up Pylint.
+jobs=1
+
+# List of plugins (as comma separated values of python modules names) to load,
+# usually to register additional checkers.
+load-plugins=
+
+# Pickle collected data for later comparisons.
+persistent=yes
+
+# Specify a configuration file.
+#rcfile=
+
+# When enabled, pylint would attempt to guess common misconfiguration and emit
+# user-friendly hints instead of false-positive error messages
+suggestion-mode=yes
+
+# Allow loading of arbitrary C extensions. Extensions are imported into the
+# active Python interpreter and may run arbitrary code.
+unsafe-load-any-extension=no
+
+
+[MESSAGES CONTROL]
+
+# Only show warnings with the listed confidence levels. Leave empty to show
+# all. Valid levels: HIGH, INFERENCE, INFERENCE_FAILURE, UNDEFINED
+confidence=
+
+# Disable the message, report, category or checker with the given id(s). You
+# can either give multiple identifiers separated by comma (,) or put this
+# option multiple times (only on the command line, not in the configuration
+# file where it should appear only once).You can also use "--disable=all" to
+# disable everything first and then reenable specific checks. For example, if
+# you want to run only the similarities checker, you can use "--disable=all
+# --enable=similarities". If you want to run only the classes checker, but have
+# no Warning level messages displayed, use"--disable=all --enable=classes
+# --disable=W"
+disable=print-statement,
+        parameter-unpacking,
+        unpacking-in-except,
+        old-raise-syntax,
+        backtick,
+        long-suffix,
+        old-ne-operator,
+        old-octal-literal,
+        import-star-module-level,
+        non-ascii-bytes-literal,
+        invalid-unicode-literal,
+        raw-checker-failed,
+        bad-inline-option,
+        locally-disabled,
+        locally-enabled,
+        file-ignored,
+        suppressed-message,
+        useless-suppression,
+        deprecated-pragma,
+        apply-builtin,
+        basestring-builtin,
+        buffer-builtin,
+        cmp-builtin,
+        coerce-builtin,
+        execfile-builtin,
+        file-builtin,
+        long-builtin,
+        raw_input-builtin,
+        reduce-builtin,
+        standarderror-builtin,
+        unicode-builtin,
+        xrange-builtin,
+        coerce-method,
+        delslice-method,
+        getslice-method,
+        setslice-method,
+        no-absolute-import,
+        old-division,
+        dict-iter-method,
+        dict-view-method,
+        next-method-called,
+        metaclass-assignment,
+        indexing-exception,
+        raising-string,
+        reload-builtin,
+        oct-method,
+        hex-method,
+        nonzero-method,
+        cmp-method,
+        input-builtin,
+        round-builtin,
+        intern-builtin,
+        unichr-builtin,
+        map-builtin-not-iterating,
+        zip-builtin-not-iterating,
+        range-builtin-not-iterating,
+        filter-builtin-not-iterating,
+        using-cmp-argument,
+        eq-without-hash,
+        div-method,
+        idiv-method,
+        rdiv-method,
+        exception-message-attribute,
+        invalid-str-codec,
+        sys-max-int,
+        bad-python3-import,
+        deprecated-string-function,
+        deprecated-str-translate-call,
+        deprecated-itertools-function,
+        deprecated-types-field,
+        next-method-defined,
+        dict-items-not-iterating,
+        dict-keys-not-iterating,
+        dict-values-not-iterating,
+        deprecated-operator-function,
+        deprecated-urllib-function,
+        xreadlines-attribute,
+        deprecated-sys-function,
+        exception-escape,
+        comprehension-escape
+
+# Enable the message, report, category or checker with the given id(s). You can
+# either give multiple identifier separated by comma (,) or put this option
+# multiple time (only on the command line, not in the configuration file where
+# it should appear only once). See also the "--disable" option for examples.
+enable=c-extension-no-member
+
+
+[REPORTS]
+
+# Python expression which should return a note less than 10 (10 is the highest
+# note). You have access to the variables errors warning, statement which
+# respectively contain the number of errors / warnings messages and the total
+# number of statements analyzed. This is used by the global evaluation report
+# (RP0004).
+evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10)
+
+# Template used to display messages. This is a python new-style format string
+# used to format the message information. See doc for all details
+#msg-template={path}:{line}: [{msg_id}({symbol}), {obj}] {msg}
+msg-template={C}:{line:3d},{column:2d}: {msg} [({symbol}) {msg_id}]
+
+# Set the output format. Available formats are text, parseable, colorized, json
+# and msvs (visual studio).You can also give a reporter class, eg
+# mypackage.mymodule.MyReporterClass.
+output-format=text
+
+# Tells whether to display a full report or only the messages
+reports=yes
+
+# Activate the evaluation score.
+score=yes
+
+
+[REFACTORING]
+
+# Maximum number of nested blocks for function / method body
+max-nested-blocks=5
+
+# Complete name of functions that never returns. When checking for
+# inconsistent-return-statements if a never returning function is called then
+# it will be considered as an explicit return statement and no message will be
+# printed.
+never-returning-functions=optparse.Values,sys.exit
+
+
+[MISCELLANEOUS]
+
+# List of note tags to take in consideration, separated by a comma.
+notes=FIXME,
+      XXX,
+      TODO
+
+
+[FORMAT]
+
+# Expected format of line ending, e.g. empty (any line ending), LF or CRLF.
+expected-line-ending-format=
+
+# Regexp for a line that is allowed to be longer than the limit.
+ignore-long-lines=^\s*(# )?<?https?://\S+>?$
+
+# Number of spaces of indent required inside a hanging  or continued line.
+indent-after-paren=4
+
+# String used as indentation unit. This is usually "    " (4 spaces) or "\t" (1
+# tab).
+indent-string='    '
+
+# Maximum number of characters on a single line.
+max-line-length=80
+
+# Maximum number of lines in a module
+max-module-lines=1000
+
+# List of optional constructs for which whitespace checking is disabled. `dict-
+# separator` is used to allow tabulation in dicts, etc.: {1  : 1,\n222: 2}.
+# `trailing-comma` allows a space between comma and closing bracket: (a, ).
+# `empty-line` allows space-only lines.
+no-space-check=trailing-comma,
+               dict-separator
+
+# Allow the body of a class to be on the same line as the declaration if body
+# contains single statement.
+single-line-class-stmt=no
+
+# Allow the body of an if to be on the same line as the test if there is no
+# else.
+single-line-if-stmt=no
+
+
+[LOGGING]
+
+# Logging modules to check that the string format arguments are in logging
+# function parameter format
+logging-modules=logging
+
+
+[TYPECHECK]
+
+# List of decorators that produce context managers, such as
+# contextlib.contextmanager. Add to this list to register other decorators that
+# produce valid context managers.
+contextmanager-decorators=contextlib.contextmanager
+
+# List of members which are set dynamically and missed by pylint inference
+# system, and so shouldn't trigger E1101 when accessed. Python regular
+# expressions are accepted.
+generated-members=
+
+# Tells whether missing members accessed in mixin class should be ignored. A
+# mixin class is detected if its name ends with "mixin" (case insensitive).
+ignore-mixin-members=yes
+
+# This flag controls whether pylint should warn about no-member and similar
+# checks whenever an opaque object is returned when inferring. The inference
+# can return multiple potential results while evaluating a Python object, but
+# some branches might not be evaluated, which results in partial inference. In
+# that case, it might be useful to still emit no-member and other checks for
+# the rest of the inferred objects.
+ignore-on-opaque-inference=yes
+
+# List of class names for which member attributes should not be checked (useful
+# for classes with dynamically set attributes). This supports the use of
+# qualified names.
+ignored-classes=optparse.Values,thread._local,_thread._local,SQLAlchemy,scoped_session,logger
+
+# List of module names for which member attributes should not be checked
+# (useful for modules/projects where namespaces are manipulated during runtime
+# and thus existing member attributes cannot be deduced by static analysis. It
+# supports qualified module names, as well as Unix pattern matching.
+ignored-modules=
+
+# Show a hint with possible names when a member name was not found. The aspect
+# of finding the hint is based on edit distance.
+missing-member-hint=yes
+
+# The minimum edit distance a name should have in order to be considered a
+# similar match for a missing member name.
+missing-member-hint-distance=1
+
+# The total number of similar names that should be taken in consideration when
+# showing a hint for a missing member.
+missing-member-max-choices=1
+
+
+[SIMILARITIES]
+
+# Ignore comments when computing similarities.
+ignore-comments=yes
+
+# Ignore docstrings when computing similarities.
+ignore-docstrings=yes
+
+# Ignore imports when computing similarities.
+ignore-imports=no
+
+# Minimum lines number of a similarity.
+min-similarity-lines=4
+
+
+[VARIABLES]
+
+# List of additional names supposed to be defined in builtins. Remember that
+# you should avoid to define new builtins when possible.
+additional-builtins=
+
+# Tells whether unused global variables should be treated as a violation.
+allow-global-unused-variables=yes
+
+# List of strings which can identify a callback function by name. A callback
+# name must start or end with one of those strings.
+callbacks=cb_,
+          _cb
+
+# A regular expression matching the name of dummy variables (i.e. expectedly
+# not used).
+dummy-variables-rgx=_+$|(_[a-zA-Z0-9_]*[a-zA-Z0-9]+?$)|dummy|^ignored_|^unused_
+
+# Argument names that match this expression will be ignored. Default to name
+# with leading underscore
+ignored-argument-names=_.*|^ignored_|^unused_
+
+# Tells whether we should check for unused import in __init__ files.
+init-import=no
+
+# List of qualified module names which can have objects that can redefine
+# builtins.
+redefining-builtins-modules=six.moves,past.builtins,future.builtins,io,builtins
+
+
+[BASIC]
+
+# Naming style matching correct argument names
+argument-naming-style=snake_case
+
+# Regular expression matching correct argument names. Overrides argument-
+# naming-style
+#argument-rgx=
+
+# Naming style matching correct attribute names
+attr-naming-style=snake_case
+
+# Regular expression matching correct attribute names. Overrides attr-naming-
+# style
+#attr-rgx=
+
+# Bad variable names which should always be refused, separated by a comma
+bad-names=foo,
+          bar,
+          baz,
+          toto,
+          tutu,
+          tata
+
+# Naming style matching correct class attribute names
+class-attribute-naming-style=any
+
+# Regular expression matching correct class attribute names. Overrides class-
+# attribute-naming-style
+#class-attribute-rgx=
+
+# Naming style matching correct class names
+class-naming-style=PascalCase
+
+# Regular expression matching correct class names. Overrides class-naming-style
+#class-rgx=
+
+# Naming style matching correct constant names
+const-naming-style=UPPER_CASE
+
+# Regular expression matching correct constant names. Overrides const-naming-
+# style
+#const-rgx=
+
+# Minimum line length for functions/classes that require docstrings, shorter
+# ones are exempt.
+docstring-min-length=-1
+
+# Naming style matching correct function names
+function-naming-style=snake_case
+
+# Regular expression matching correct function names. Overrides function-
+# naming-style
+#function-rgx=
+
+# Good variable names which should always be accepted, separated by a comma
+good-names=i,
+           j,
+           k,
+           ex,
+           Run,
+           _
+
+# Include a hint for the correct naming format with invalid-name
+include-naming-hint=no
+
+# Naming style matching correct inline iteration names
+inlinevar-naming-style=any
+
+# Regular expression matching correct inline iteration names. Overrides
+# inlinevar-naming-style
+#inlinevar-rgx=
+
+# Naming style matching correct method names
+method-naming-style=snake_case
+
+# Regular expression matching correct method names. Overrides method-naming-
+# style
+#method-rgx=
+
+# Naming style matching correct module names
+module-naming-style=snake_case
+
+# Regular expression matching correct module names. Overrides module-naming-
+# style
+#module-rgx=
+
+# Colon-delimited sets of names that determine each other's naming style when
+# the name regexes allow several styles.
+name-group=
+
+# Regular expression which should only match function or class names that do
+# not require a docstring.
+no-docstring-rgx=^_
+
+# List of decorators that produce properties, such as abc.abstractproperty. Add
+# to this list to register other decorators that produce valid properties.
+property-classes=abc.abstractproperty
+
+# Naming style matching correct variable names
+variable-naming-style=snake_case
+
+# Regular expression matching correct variable names. Overrides variable-
+# naming-style
+#variable-rgx=
+
+
+[SPELLING]
+
+# Limits count of emitted suggestions for spelling mistakes
+max-spelling-suggestions=4
+
+# Spelling dictionary name. Available dictionaries: none. To make it working
+# install python-enchant package.
+spelling-dict=
+
+# List of comma separated words that should not be checked.
+spelling-ignore-words=
+
+# A path to a file that contains private dictionary; one word per line.
+spelling-private-dict-file=
+
+# Tells whether to store unknown words to indicated private dictionary in
+# --spelling-private-dict-file option instead of raising a message.
+spelling-store-unknown-words=no
+
+
+[DESIGN]
+
+# Maximum number of arguments for function / method
+max-args=5
+
+# Maximum number of attributes for a class (see R0902).
+max-attributes=7
+
+# Maximum number of boolean expressions in a if statement
+max-bool-expr=5
+
+# Maximum number of branch for function / method body
+max-branches=12
+
+# Maximum number of locals for function / method body
+max-locals=15
+
+# Maximum number of parents for a class (see R0901).
+max-parents=7
+
+# Maximum number of public methods for a class (see R0904).
+max-public-methods=20
+
+# Maximum number of return / yield for function / method body
+max-returns=6
+
+# Maximum number of statements in function / method body
+max-statements=50
+
+# Minimum number of public methods for a class (see R0903).
+min-public-methods=2
+
+
+[IMPORTS]
+
+# Allow wildcard imports from modules that define __all__.
+allow-wildcard-with-all=no
+
+# Analyse import fallback blocks. This can be used to support both Python 2 and
+# 3 compatible code, which means that the block might have code that exists
+# only in one or another interpreter, leading to false positives when analysed.
+analyse-fallback-blocks=no
+
+# Deprecated modules which should not be used, separated by a comma
+deprecated-modules=optparse,tkinter.tix
+
+# Create a graph of external dependencies in the given file (report RP0402 must
+# not be disabled)
+ext-import-graph=
+
+# Create a graph of every (i.e. internal and external) dependencies in the
+# given file (report RP0402 must not be disabled)
+import-graph=
+
+# Create a graph of internal dependencies in the given file (report RP0402 must
+# not be disabled)
+int-import-graph=
+
+# Force import order to recognize a module as part of the standard
+# compatibility libraries.
+known-standard-library=
+
+# Force import order to recognize a module as part of a third party library.
+known-third-party=enchant
+
+
+[CLASSES]
+
+# List of method names used to declare (i.e. assign) instance attributes.
+defining-attr-methods=__init__,
+                      __new__,
+                      setUp
+
+# List of member names, which should be excluded from the protected access
+# warning.
+exclude-protected=_asdict,
+                  _fields,
+                  _replace,
+                  _source,
+                  _make
+
+# List of valid names for the first argument in a class method.
+valid-classmethod-first-arg=cls
+
+# List of valid names for the first argument in a metaclass class method.
+valid-metaclass-classmethod-first-arg=mcs
+
+
+[EXCEPTIONS]
+
+# Exceptions that will emit a warning when being caught. Defaults to
+# "Exception"
+overgeneral-exceptions=Exception

server/Pipfile

@@ -18,6 +18,8 @@ coverage = "*"
 pycodestyle = "*"
 mypy = "*"
 mock = "*"
+pylint = "*"
+pydocstyle = "*"
 
 [requires]
 python_version = "3.6"

server/Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "a8ad1b3822122643e380c48cefa0ab6356d268b7b9756f55d8040466825fea25"
+            "sha256": "5f2e59b2a44c07b72414512802099dc64544fc8e724f5e5b033d627ac0a20626"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -202,6 +202,13 @@
         }
     },
     "develop": {
+        "astroid": {
+            "hashes": [
+                "sha256:0ef2bf9f07c3150929b25e8e61b5198c27b0dca195e156f0e4d5bdd89185ca1a",
+                "sha256:fc9b582dba0366e63540982c3944a9230cbc6f303641c51483fa547dcc22393a"
+            ],
+            "version": "==1.6.5"
+        },
         "atomicwrites": {
             "hashes": [
                 "sha256:240831ea22da9ab882b551b31d4225591e5e447a68c5e188db5b89ca1d487585",
@@ -258,6 +265,55 @@
             "index": "pypi",
             "version": "==4.5.1"
         },
+        "isort": {
+            "hashes": [
+                "sha256:1153601da39a25b14ddc54955dbbacbb6b2d19135386699e2ad58517953b34af",
+                "sha256:b9c40e9750f3d77e6e4d441d8b0266cf555e7cdabdcff33c4fd06366ca761ef8",
+                "sha256:ec9ef8f4a9bc6f71eec99e1806bfa2de401650d996c59330782b89a5555c1497"
+            ],
+            "version": "==4.3.4"
+        },
+        "lazy-object-proxy": {
+            "hashes": [
+                "sha256:0ce34342b419bd8f018e6666bfef729aec3edf62345a53b537a4dcc115746a33",
+                "sha256:1b668120716eb7ee21d8a38815e5eb3bb8211117d9a90b0f8e21722c0758cc39",
+                "sha256:209615b0fe4624d79e50220ce3310ca1a9445fd8e6d3572a896e7f9146bbf019",
+                "sha256:27bf62cb2b1a2068d443ff7097ee33393f8483b570b475db8ebf7e1cba64f088",
+                "sha256:27ea6fd1c02dcc78172a82fc37fcc0992a94e4cecf53cb6d73f11749825bd98b",
+                "sha256:2c1b21b44ac9beb0fc848d3993924147ba45c4ebc24be19825e57aabbe74a99e",
+                "sha256:2df72ab12046a3496a92476020a1a0abf78b2a7db9ff4dc2036b8dd980203ae6",
+                "sha256:320ffd3de9699d3892048baee45ebfbbf9388a7d65d832d7e580243ade426d2b",
+                "sha256:50e3b9a464d5d08cc5227413db0d1c4707b6172e4d4d915c1c70e4de0bbff1f5",
+                "sha256:5276db7ff62bb7b52f77f1f51ed58850e315154249aceb42e7f4c611f0f847ff",
+                "sha256:61a6cf00dcb1a7f0c773ed4acc509cb636af2d6337a08f362413c76b2b47a8dd",
+                "sha256:6ae6c4cb59f199d8827c5a07546b2ab7e85d262acaccaacd49b62f53f7c456f7",
+                "sha256:7661d401d60d8bf15bb5da39e4dd72f5d764c5aff5a86ef52a042506e3e970ff",
+                "sha256:7bd527f36a605c914efca5d3d014170b2cb184723e423d26b1fb2fd9108e264d",
+                "sha256:7cb54db3535c8686ea12e9535eb087d32421184eacc6939ef15ef50f83a5e7e2",
+                "sha256:7f3a2d740291f7f2c111d86a1c4851b70fb000a6c8883a59660d95ad57b9df35",
+                "sha256:81304b7d8e9c824d058087dcb89144842c8e0dea6d281c031f59f0acf66963d4",
+                "sha256:933947e8b4fbe617a51528b09851685138b49d511af0b6c0da2539115d6d4514",
+                "sha256:94223d7f060301b3a8c09c9b3bc3294b56b2188e7d8179c762a1cda72c979252",
+                "sha256:ab3ca49afcb47058393b0122428358d2fbe0408cf99f1b58b295cfeb4ed39109",
+                "sha256:bd6292f565ca46dee4e737ebcc20742e3b5be2b01556dafe169f6c65d088875f",
+                "sha256:cb924aa3e4a3fb644d0c463cad5bc2572649a6a3f68a7f8e4fbe44aaa6d77e4c",
+                "sha256:d0fc7a286feac9077ec52a927fc9fe8fe2fabab95426722be4c953c9a8bede92",
+                "sha256:ddc34786490a6e4ec0a855d401034cbd1242ef186c20d79d2166d6a4bd449577",
+                "sha256:e34b155e36fa9da7e1b7c738ed7767fc9491a62ec6af70fe9da4a057759edc2d",
+                "sha256:e5b9e8f6bda48460b7b143c3821b21b452cb3a835e6bbd5dd33aa0c8d3f5137d",
+                "sha256:e81ebf6c5ee9684be8f2c87563880f93eedd56dd2b6146d8a725b50b7e5adb0f",
+                "sha256:eb91be369f945f10d3a49f5f9be8b3d0b93a4c2be8f8a5b83b0571b8123e0a7a",
+                "sha256:f460d1ceb0e4a5dcb2a652db0904224f367c9b3c1470d5a7683c0480e582468b"
+            ],
+            "version": "==1.3.1"
+        },
+        "mccabe": {
+            "hashes": [
+                "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42",
+                "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"
+            ],
+            "version": "==0.6.1"
+        },
         "mock": {
             "hashes": [
                 "sha256:5ce3c71c5545b472da17b72268978914d0252980348636840bd34a00b5cc96c1",
@@ -284,10 +340,10 @@
         },
         "pbr": {
             "hashes": [
-                "sha256:3747c6f017f2dc099986c325239661948f9f5176f6880d9fdef164cb664cd665",
-                "sha256:a9c27eb8f0e24e786e544b2dbaedb729c9d8546342b5a6818d8eda098ad4340d"
+                "sha256:4f2b11d95917af76e936811be8361b2b19616e5ef3b55956a429ec7864378e0c",
+                "sha256:e0f23b61ec42473723b2fec2f33fb12558ff221ee551962f01dd4de9053c2055"
             ],
-            "version": "==4.0.4"
+            "version": "==4.1.0"
         },
         "pluggy": {
             "hashes": [
@@ -313,6 +369,23 @@
             "index": "pypi",
             "version": "==2.4.0"
         },
+        "pydocstyle": {
+            "hashes": [
+                "sha256:08a870edc94508264ed90510db466c6357c7192e0e866561d740624a8fc7d90c",
+                "sha256:4d5bcde961107873bae621f3d580c3e35a426d3687ffc6f8fb356f6628da5a97",
+                "sha256:af9fcccb303899b83bec82dc9a1d56c60fc369973223a5e80c3dfa9bdf984405"
+            ],
+            "index": "pypi",
+            "version": "==2.1.1"
+        },
+        "pylint": {
+            "hashes": [
+                "sha256:a48070545c12430cfc4e865bf62f5ad367784765681b3db442d8230f0960aa3c",
+                "sha256:fff220bcb996b4f7e2b0f6812fd81507b72ca4d8c4d05daf2655c333800cb9b3"
+            ],
+            "index": "pypi",
+            "version": "==1.9.2"
+        },
         "pytest": {
             "hashes": [
                 "sha256:0453c8676c2bee6feb0434748b068d5510273a916295fd61d306c4f22fbfd752",
@@ -336,6 +409,13 @@
             ],
             "version": "==1.11.0"
         },
+        "snowballstemmer": {
+            "hashes": [
+                "sha256:919f26a68b2c17a7634da993d91339e288964f93c274f1343e3bbbe2096e1128",
+                "sha256:9f3bcd3c401c3e862ec0ebe6d2c069ebc012ce142cce209c098ccb5b09136e89"
+            ],
+            "version": "==1.2.1"
+        },
         "typed-ast": {
             "hashes": [
                 "sha256:0948004fa228ae071054f5208840a1e88747a357ec1101c17217bfe99b299d58",
@@ -363,6 +443,12 @@
                 "sha256:f19f2a4f547505fe9072e15f6f4ae714af51b5a681a97f187971f50c283193b6"
             ],
             "version": "==1.1.0"
+        },
+        "wrapt": {
+            "hashes": [
+                "sha256:d4d560d479f2c21e1b5443bbd15fe7ec4b37fe7e53d335d3b9b0a7b1226fe3c6"
+            ],
+            "version": "==1.10.11"
         }
     }
 }

server/corvus/__init__.py

@@ -1,13 +1,12 @@
+"""Corvus Flask Application."""
 import os
 from logging.config import dictConfig
 
 from flask import Flask
-from flask_migrate import Migrate, upgrade
-from flask_sqlalchemy import SQLAlchemy
+from flask_migrate import Migrate
 
-from corvus import utility
-
-db: SQLAlchemy = SQLAlchemy()
+from corvus.db import db
+from corvus.utility import json_utility
 
 dictConfig({
     'version': 1,
@@ -27,6 +26,12 @@ dictConfig({
 
 
 def create_app(test_config: dict = None) -> Flask:
+    """
+    Create an instance of Corvus.
+
+    :param test_config:
+    :return:
+    """
     app = Flask(__name__, instance_relative_config=True)
     app.logger.debug('Creating Corvus Server')
 
@@ -55,7 +60,7 @@ def create_app(test_config: dict = None) -> Flask:
     except OSError:
         pass
 
-    app.json_encoder = utility.CustomJSONEncoder
+    app.json_encoder = json_utility.CustomJSONEncoder
 
     app.logger.debug('Initializing Application')
     db.init_app(app)
@@ -66,18 +71,20 @@ def create_app(test_config: dict = None) -> Flask:
 
 
 def register_blueprints(app: Flask) -> None:
-    from corvus.api import auth_blueprint
-    app.register_blueprint(auth_blueprint)
-
+    """
+    Register blueprints for the application.
 
-app = create_app()
-register_blueprints(app)
+    :param app:
+    :return:
+    """
+    from corvus.api import AUTH_BLUEPRINT
+    app.register_blueprint(AUTH_BLUEPRINT)
 
 
-def init_db() -> None:
-    """Clear existing data and create new tables."""
-    upgrade('migrations')
+corvus = create_app()  # pylint: disable=C0103
+register_blueprints(corvus)
 
+logger = corvus.logger  # pylint: disable=C0103
 
 if __name__ == "__main__":
-    app.run()
+    corvus.run()

server/corvus/api/__init__.py

@@ -1 +1,2 @@
-from corvus.api.authentication_api import auth_blueprint
+"""API blueprint exports."""
+from corvus.api.authentication_api import AUTH_BLUEPRINT

server/corvus/api/authentication_api.py

@@ -1,44 +1,52 @@
+"""Authentication API blueprint and endpoint definitions."""
 from flask import Blueprint, g
 
 from corvus.api.decorators import return_json
 from corvus.api.model import APIResponse
 from corvus.middleware import authentication_middleware
-from corvus.service import user_token_service, authentication_service
+from corvus.service import (
+    user_token_service,
+    authentication_service,
+    user_service
+)
 
-auth_blueprint = Blueprint(
+AUTH_BLUEPRINT = Blueprint(
     name='auth', import_name=__name__, url_prefix='/auth')
 
 
-@auth_blueprint.route('/login', methods=['POST'])
+@AUTH_BLUEPRINT.route('/login', methods=['POST'])
 @return_json
 @authentication_middleware.require_basic_auth
 def login() -> APIResponse:
     """
-    Get a token for continued authentication
+    Get a token for continued authentication.
+
     :return: A login token for continued authentication
     """
     user_token = user_token_service.create(g.user)
     return APIResponse({'token': user_token.token}, 200)
 
 
-@auth_blueprint.route('/bump', methods=['POST'])
+@AUTH_BLUEPRINT.route('/bump', methods=['POST'])
 @return_json
 @authentication_middleware.require_token_auth
 def login_bump() -> APIResponse:
     """
-    Update the user last seen timestamp
+    Update the user last seen timestamp.
+
     :return: A time stamp for the bumped login
     """
-    authentication_service.bump_login(g.user)
+    user_service.update_last_login_time(g.user)
     return APIResponse({'last_login_time': g.user.last_login_time}, 200)
 
 
-@auth_blueprint.route('/logout', methods=['POST'])
+@AUTH_BLUEPRINT.route('/logout', methods=['POST'])
 @return_json
 @authentication_middleware.require_token_auth
 def logout() -> APIResponse:
     """
-    logout and delete a token
+    Logout and delete a token.
+
     :return:
     """
     authentication_service.logout(g.user_token)

server/corvus/api/decorators.py

@@ -1,3 +1,4 @@
+"""Decorators to be used in the api module."""
 from functools import wraps
 from typing import Callable, Any
 
@@ -8,13 +9,20 @@ from corvus.api.model import APIResponse
 
 def return_json(func: Callable) -> Callable:
     """
-    If an Response object is not returned, jsonify the result and return it
+    If an Response object is not returned, jsonify the result and return it.
+
     :param func:
     :return:
     """
-
     @wraps(func)
     def decorate(*args: list, **kwargs: dict) -> Any:
+        """
+        Make sure that the return of the function is jsonified into a Response.
+
+        :param args:
+        :param kwargs:
+        :return:
+        """
         result = func(*args, **kwargs)
         if isinstance(result, Response):
             return result

server/corvus/api/model.py

@@ -1,6 +1,9 @@
+"""Model definitions for the api module."""
 from typing import Any, NamedTuple
 
 
-class APIResponse(NamedTuple):
+class APIResponse(NamedTuple):  # pylint: disable=too-few-public-methods
+    """Custom class to wrap api responses."""
+
     payload: Any
     status: int

server/corvus/db.py

@@ -0,0 +1,10 @@
+"""Database configuration and methods."""
+from flask_migrate import upgrade
+from flask_sqlalchemy import SQLAlchemy
+
+db: SQLAlchemy = SQLAlchemy()
+
+
+def init_db() -> None:
+    """Clear existing data and create new tables."""
+    upgrade('migrations')

server/corvus/default_settings.py

@@ -1,3 +1,5 @@
+"""Default settings for corvus."""
+
 DEBUG = False
 SECRET_KEY = b'\xb4\x89\x0f\x0f\xe5\x88\x97\xfe\x8d<\x0b@d\xe9\xa5\x87%' \
              b'\xc6\xf0@l1\xe3\x90g\xfaA.?u=s'  # CHANGE ME IN REAL CONFIG

server/corvus/middleware/__init__.py

@@ -0,0 +1 @@
+"""Middleware package."""

server/corvus/middleware/authentication_middleware.py

@@ -1,7 +1,9 @@
+"""Middleware to handle authentication."""
 import base64
 from functools import wraps
 from typing import Optional, Callable, Any
 
+import binascii
 from flask import request, Response, g
 from werkzeug.datastructures import Authorization
 from werkzeug.http import bytes_to_wsgi, wsgi_to_bytes
@@ -14,6 +16,13 @@ from corvus.service import (
 
 
 def authenticate_with_password(name: str, password: str) -> bool:
+    """
+    Authenticate a username and a password.
+
+    :param name:
+    :param password:
+    :return:
+    """
     user = user_service.find_by_name(name)
     if user is not None \
             and authentication_service.is_valid_password(user, password):
@@ -23,6 +32,13 @@ def authenticate_with_password(name: str, password: str) -> bool:
 
 
 def authenticate_with_token(name: str, token: str) -> bool:
+    """
+    Authenticate a username and a token.
+
+    :param name:
+    :param token:
+    :return:
+    """
     user = user_service.find_by_name(name)
     if user is not None:
         user_token = user_token_service.find_by_user_and_token(user, token)
@@ -35,6 +51,12 @@ def authenticate_with_token(name: str, token: str) -> bool:
 
 
 def authentication_failed(auth_type: str) -> Response:
+    """
+    Return a correct response for failed authentication.
+
+    :param auth_type:
+    :return:
+    """
     return Response(
         status=401,
         headers={
@@ -42,8 +64,14 @@ def authentication_failed(auth_type: str) -> Response:
         })
 
 
-def parse_token_authorization_header(
+def parse_token_header(
         header_value: str) -> Optional[Authorization]:
+    """
+    Parse the Authorization: Token header for the username and token.
+
+    :param header_value:
+    :return:
+    """
     if not header_value:
         return None
     value = wsgi_to_bytes(header_value)
@@ -55,7 +83,7 @@ def parse_token_authorization_header(
     if auth_type == b'token':
         try:
             username, token = base64.b64decode(auth_info).split(b':', 1)
-        except Exception:
+        except binascii.Error:
             return None
         return Authorization('token', {'username': bytes_to_wsgi(username),
                                        'password': bytes_to_wsgi(token)})
@@ -63,25 +91,49 @@ def parse_token_authorization_header(
 
 
 def require_basic_auth(func: Callable) -> Callable:
+    """
+    Decorate require inline basic auth.
+
+    :param func:
+    :return:
+    """
     @wraps(func)
     def decorate(*args: list, **kwargs: dict) -> Any:
+        """
+        Authenticate with a password.
+
+        :param args:
+        :param kwargs:
+        :return:
+        """
         auth = request.authorization
         if auth and authenticate_with_password(auth.username, auth.password):
             return func(*args, **kwargs)
-        else:
-            return authentication_failed('Basic')
+        return authentication_failed('Basic')
 
     return decorate
 
 
 def require_token_auth(func: Callable) -> Callable:
+    """
+    Decorate require inline token auth.
+
+    :param func:
+    :return:
+    """
     @wraps(func)
     def decorate(*args: list, **kwargs: dict) -> Any:
-        token = parse_token_authorization_header(
+        """
+        Authenticate with a token.
+
+        :param args:
+        :param kwargs:
+        :return:
+        """
+        token = parse_token_header(
             request.headers.get('Authorization', None))
         if token and authenticate_with_token(token.username, token.password):
             return func(*args, **kwargs)
-        else:
-            return authentication_failed('Bearer')
+        return authentication_failed('Bearer')
 
     return decorate

server/corvus/model/__init__.py

@@ -1 +1,2 @@
+"""Expose models to be used in Corvus."""
 from corvus.model.user_model import User, UserToken

server/corvus/model/user_model.py

@@ -1,7 +1,10 @@
-from corvus import db
+"""User related SQLALchemy models."""
+from corvus.db import db
 
 
-class User(db.Model):
+class User(db.Model):  # pylint: disable=too-few-public-methods
+    """Represents a user in the system."""
+
     __tablename__ = 'user'
 
     ROLE_USER = 'USER'
@@ -22,7 +25,9 @@ class User(db.Model):
     version = db.Column('version', db.Integer, default=1, nullable=False)
 
 
-class UserToken(db.Model):
+class UserToken(db.Model):  # pylint: disable=too-few-public-methods
+    """Represents a token used alongside a user to authenticate operations."""
+
     __tablename__ = 'user_token'
 
     user_token_id = db.Column('id', db.Integer, primary_key=True)

server/corvus/service/__init__.py

@@ -0,0 +1 @@
+"""Service package."""

server/corvus/service/authentication_service.py

@@ -1,29 +1,22 @@
-import uuid
+"""Service to handle authentication."""
 from datetime import datetime
-from typing import Optional, Tuple
+from typing import Optional
 
 from nacl import pwhash
 from nacl.exceptions import InvalidkeyError
 
 from corvus.model import User, UserToken
-from corvus.service import user_service, user_token_service
+from corvus.service import user_token_service
 
 
-def generate_token() -> uuid.UUID:
-    return uuid.uuid4()
-
-
-def get_password_hash(password: str) -> Tuple[str, int]:
+def is_valid_password(user: User, password: str) -> bool:
     """
-    Retrieve argon2id password hash.
+    User password must pass pwhash verify.
 
-    :param password: plaintext password to convert
-    :return: Tuple[password_hash, password_revision]
+    :param user:
+    :param password:
+    :return:
     """
-    return pwhash.argon2id.str(password.encode('utf8')).decode('utf8'), 1
-
-
-def is_valid_password(user: User, password: str) -> bool:
     assert user
 
     try:
@@ -36,8 +29,10 @@ def is_valid_password(user: User, password: str) -> bool:
 
 def is_valid_token(user_token: Optional[UserToken]) -> bool:
     """
-    Token must be enabled and if it has an expiration, it must be
-    greater than now.
+    Validate a token.
+
+    Token must be enabled and if it has an expiration, it must be greater
+    than now.
 
     :param user_token:
     :return:
@@ -52,20 +47,9 @@ def is_valid_token(user_token: Optional[UserToken]) -> bool:
     return True
 
 
-def bump_login(user: Optional[User]) -> None:
-    """
-    Update the last login time for the user
-
-    :param user:
-    :return:
-    """
-    if user is not None:
-        user_service.update_last_login_time(user)
-
-
 def logout(user_token: Optional[UserToken] = None) -> None:
     """
-    Remove a user_token associated with a client session
+    Remove a user_token associated with a client session.
 
     :param user_token:
     :return:

server/corvus/service/user_service.py

@@ -1,13 +1,25 @@
+"""Service to handle user operations."""
+import logging
 from datetime import datetime
 from typing import Optional
 
-from corvus import app, db
+from corvus.db import db
 from corvus.model import User
-from corvus.service import authentication_service
+from corvus.utility import authentication_utility
+
+LOGGER = logging.getLogger(__name__)
 
 
 def register(name: str, password: str, role: str) -> User:
-    pw_hash, pw_revision = authentication_service.get_password_hash(password)
+    """
+    Register a new user.
+
+    :param name: Desired user name. Must be unique and not already registered
+    :param password: Password to be hashed and stored for the user
+    :param role: Role to assign the user [ROLE_USER, ROLE_ADMIN]
+    :return:
+    """
+    pw_hash, pw_revision = authentication_utility.get_password_hash(password)
 
     new_user = User(
         name=name,
@@ -19,11 +31,17 @@ def register(name: str, password: str, role: str) -> User:
     db.session.add(new_user)
     db.session.commit()
 
-    app.logger.info('Registered new user: %s with role: %s', name, role)
+    LOGGER.info('Registered new user: %s with role: %s', name, role)
     return new_user
 
 
 def delete(user: User) -> bool:
+    """
+    Delete a user.
+
+    :param user:
+    :return:
+    """
     existing_user = db.session.delete(user)
     if existing_user is None:
         db.session.commit()
@@ -32,12 +50,26 @@ def delete(user: User) -> bool:
 
 
 def update_last_login_time(user: User) -> None:
-    user.last_login_time = datetime.now()
-    db.session.commit()
+    """
+    Bump the last login time for the user.
+
+    :param user:
+    :return:
+    """
+    if user is not None:
+        user.last_login_time = datetime.now()
+        db.session.commit()
 
 
 def update_password(user: User, password: str) -> None:
-    pw_hash, pw_revision = authentication_service.get_password_hash(
+    """
+    Change the user password.
+
+    :param user:
+    :param password:
+    :return:
+    """
+    pw_hash, pw_revision = authentication_utility.get_password_hash(
         password)
     user.password_hash = pw_hash
     user.password_revision = pw_revision
@@ -45,4 +77,10 @@ def update_password(user: User, password: str) -> None:
 
 
 def find_by_name(name: str) -> Optional[User]:
+    """
+    Find a user by name.
+
+    :param name:
+    :return:
+    """
     return User.query.filter_by(name=name).first()

server/corvus/service/user_token_service.py

@@ -1,9 +1,19 @@
+"""Service to handle user_token operations."""
+import uuid
 from datetime import datetime
 from typing import Optional
 
-from corvus import db
+from corvus.db import db
 from corvus.model import User, UserToken
-from corvus.service import authentication_service
+
+
+def generate_token() -> uuid.UUID:
+    """
+    Generate a unique token.
+
+    :return:
+    """
+    return uuid.uuid4()
 
 
 def create(
@@ -12,7 +22,7 @@ def create(
         enabled: bool = True,
         expiration_time: Optional[datetime] = None) -> UserToken:
     """
-    Create and save a UserToken
+    Create and save a UserToken.
 
     :param user: The User object to bind the token to
     :param note: An optional field to store additional information about a
@@ -24,7 +34,7 @@ def create(
     no expiration
     :return:
     """
-    token = authentication_service.generate_token()
+    token = generate_token()
     user_token = UserToken(
         user_id=user.id,
         token=token.__str__(),
@@ -41,6 +51,12 @@ def create(
 
 
 def delete(user_token: UserToken) -> bool:
+    """
+    Delete a user_token.
+
+    :param user_token:
+    :return:
+    """
     existing_user_token = db.session.delete(user_token)
     if existing_user_token is None:
         db.session.commit()
@@ -49,4 +65,11 @@ def delete(user_token: UserToken) -> bool:
 
 
 def find_by_user_and_token(user: User, token: str) -> Optional[UserToken]:
+    """
+    Lookup a user_token by user and token string.
+
+    :param user:
+    :param token:
+    :return:
+    """
     return UserToken.query.filter_by(user_id=user.id, token=token).first()

server/corvus/utility.py

@@ -1,18 +0,0 @@
-from datetime import date
-from typing import Any
-
-import rfc3339
-from flask.json import JSONEncoder
-
-
-class CustomJSONEncoder(JSONEncoder):
-    def default(self, obj: Any) -> Any:
-        try:
-            if isinstance(obj, date):
-                return rfc3339.format(obj)
-            iterable = iter(obj)
-        except TypeError:
-            pass
-        else:
-            return list(iterable)
-        return JSONEncoder.default(self, obj)

server/corvus/utility/__init__.py

@@ -0,0 +1 @@
+"""Utilities for Corvus."""

server/corvus/utility/authentication_utility.py

@@ -0,0 +1,14 @@
+"""Authentication specific utilities."""
+from typing import Tuple
+
+from nacl import pwhash
+
+
+def get_password_hash(password: str) -> Tuple[str, int]:
+    """
+    Retrieve argon2id password hash.
+
+    :param password: plaintext password to convert
+    :return: Tuple[password_hash, password_revision]
+    """
+    return pwhash.argon2id.str(password.encode('utf8')).decode('utf8'), 1

server/corvus/utility/json_utility.py

@@ -0,0 +1,22 @@
+"""JSON specific utilities."""
+from datetime import date
+from typing import Any
+
+import rfc3339
+from flask.json import JSONEncoder
+
+
+class CustomJSONEncoder(JSONEncoder):
+    """Ensure that datetime values are serialized correctly."""
+
+    def default(self, o: Any) -> Any:  # pylint: disable=E0202
+        """Handle encoding date and datetime objects according to rfc3339."""
+        try:
+            if isinstance(o, date):
+                return rfc3339.format(o)
+            iterable = iter(o)
+        except TypeError:
+            pass
+        else:
+            return list(iterable)
+        return JSONEncoder.default(self, o)

server/entrypoint.sh

@@ -1,10 +1,10 @@
 #!/usr/bin/env bash
 
 # Migrate the Database
-FLASK_APP=corvus:app flask db upgrade
+FLASK_APP=corvus:corvus flask db upgrade
 
 # Make sure an administrator is registered
 python manage.py user register-admin
 
 # Start the application
-gunicorn -b 0.0.0.0:8080 corvus:app
+gunicorn -b 0.0.0.0:8080 corvus:corvus

server/manage.py

@@ -7,7 +7,7 @@ from os import path
 import click
 from click import Context
 
-from corvus import app
+from corvus import corvus
 from corvus.model import User
 from corvus.service import user_service
 
@@ -119,6 +119,6 @@ user_command_group.add_command(reset_user_password)
 user_command_group.add_command(list_users)
 
 if __name__ == '__main__':
-    logging.debug('Managing: %s', app.name)
-    with app.app_context():
+    logging.debug('Managing: %s', corvus.name)
+    with corvus.app_context():
         main()

server/run_tests.sh

@@ -3,7 +3,9 @@
 set -e
 set -x
 
-pycodestyle corvus tests
+pylint corvus
 mypy corvus tests
 PYTHONPATH=$(pwd) coverage run --source corvus -m pytest
 coverage report --fail-under=85 -m --skip-covered
+pycodestyle corvus tests
+pydocstyle corvus

server/tests/conftest.py

@@ -10,7 +10,8 @@ from flask import Flask
 from flask.testing import FlaskClient, FlaskCliRunner
 from werkzeug.test import Client
 
-from corvus import create_app, init_db, register_blueprints
+from corvus import create_app, register_blueprints
+from corvus.db import init_db
 from corvus.model import User
 from corvus.service import user_service
 
@@ -26,25 +27,25 @@ def add_test_user() -> Tuple[str, str]:
 
 @pytest.fixture
 def app() -> Flask:
-    """Create and configure a new app instance for each test."""
+    """Create and configure a new corvus_app instance for each test."""
     # create a temporary file to isolate the database for each test
     db_fd, db_path = tempfile.mkstemp()
-    # create the app with common test config
-    app = create_app({
+    # create the corvus_app with common test config
+    corvus_app = create_app({
         'TESTING': True,
         'DATABASE': db_path,
     })
-    register_blueprints(app)
+    register_blueprints(corvus_app)
 
     # create the database and load test data
-    with app.app_context():
+    with corvus_app.app_context():
         init_db()
         test_username, test_password = add_test_user()
-        app.config['test_username'] = test_username
-        app.config['test_password'] = test_password
+        corvus_app.config['test_username'] = test_username
+        corvus_app.config['test_password'] = test_password
         # get_db().executescript(_data_sql)
 
-    yield app
+    yield corvus_app
 
     # close and remove the temporary database
     os.close(db_fd)