Merge branch 'master' into pr/661

Conflicts:
	AUTHORS

.dockerignore

@@ -0,0 +1 @@
+.git

.travis.yml

@@ -8,15 +8,9 @@ python:
   - "3.4"
 cache:
   - $HOME/.pip-cache
-# command to install dependencies
-install:
-  - pip install -r requirements-travis.txt --download-cache $HOME/.pip-cache
-  - pip install coveralls --download-cache $HOME/.pip-cache
-  - if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then pip install unittest2; fi  # needs for running tests
-  - pip install --allow-all-external -e .
 # command to run tests
 script: make travis
-after_success: coveralls
+after_success: make coveralls
 notifications:
   email:
     - paultag@gmail.com

AUTHORS

@@ -49,3 +49,4 @@
 * Matthew Wampler-Doty <matthew.wampler.doty@gmail.com>
 * Tianon Gravi <admwiggin@gmail.com>
 * Ian Denhardt <ian@zenhack.net>
+* Ruslan Prokopiev <bismigalis@gmail.com>

Makefile

@@ -1,3 +1,21 @@
+pypy_url=http://buildbot.pypy.org/nightly/trunk/pypy-c-jit-latest-linux64.tar.bz2
+pip_url=https://bootstrap.pypa.io/get-pip.py
+python=python
+pip=pip
+coveralls=coveralls
+nose=nosetests
+pcache=$(HOME)/.pip-cache
+
+ifeq (PyPy 2.4,$(findstring PyPy 2.4,$(shell python -V 2>&1 | tail -1)))
+	bad_pypy=1
+	python=./pypy
+	pip=./pip
+	coveralls=./coveralls
+	nose=./nosetests
+else
+	bad_pypy=
+endif
+
 all:
 	@echo "No default step. Use setup.py"
 	@echo ""
@@ -53,14 +71,42 @@ diff:
 
 r: d tox diff
 
-travis:
-	nosetests -s --with-coverage --cover-package hy
+python:
+ifeq ($(bad_pypy),1)
+	# Due to stupid PyPy 2.4 bugs, a custom version needs to be downloaded
+	curl $(pypy_url) -o pypy.tbz2
+	tar xf pypy.tbz2
+	ln -sf `pwd`/pypy-*/bin/pypy $(python)
+	curl $(pip_url) | $(python)
+	ln -sf `pwd`/pypy-*/bin/pip $(pip)
+	sudo $(pip) install nose
+	ln -sf `pwd`/pypy-*/bin/nosetests $(nose)
+endif
+ifeq (Python 2.6,$(findstring Python 2.6,$(shell python -V 2>&1)))
+	$(pip) install unittest2
+endif
+	$(pip) install -r requirements-travis.txt --download-cache $(pcache)
+	$(pip) install coveralls --download-cache $(pcache)
+	$(pip) install --allow-all-external -e .
+ifeq ($(bad_pypy),1)
+	ln -sf `pwd`/pypy-*/bin/coveralls $(coveralls)
+endif
+
+travis: python
+ifeq ($(bad_pypy),1)
+	HY_DIR=`pwd`/pypy-*/bin $(nose) -s --with-coverage --cover-package hy
+else
+	$(nose) -s --with-coverage --cover-package hy
+endif
 ifeq (PyPy,$(findstring PyPy,$(shell python -V 2>&1 | tail -1)))
 	@echo "skipping flake8 on pypy"
 else
 	flake8 hy bin tests
 endif
 
+coveralls:
+	$(coveralls)
+
 clean:
 	@find . -name "*.pyc" -exec rm {} \;
 	@find -name __pycache__ -delete

NEWS

@@ -1,3 +1,49 @@
+Changes from 0.10.0
+
+ This release took some time (sorry, all my fault) but it's got a bunch of
+ really nice features. We hope you enjoy hacking with Hy as much as we enjoy
+ hacking on Hy.
+
+ In other news, we're Dockerized as an official library image!
+ <https://registry.hub.docker.com/_/hylang/>
+
+ $ docker run -it --rm hylang
+ hy 0.10.0 using CPython(default) 3.4.1 on Linux
+ => ((lambda [] (print "Hello, World!")))
+ Hello, World!
+
+  - Hy Society
+
+  [ Language Changes ]
+  * Implement raise :from, Python 3 only.
+  * defmain macro
+  * name & keyword functions added to core
+  * (read) added to core
+  * shadow added to core
+  * New functions interleave interpose zip_longest added to core
+  * nth returns default value when out of bounds
+  * merge-with added
+  * doto macro added
+  * keyword? to findout keywords
+  * setv no longer allows "." in names
+  
+  [Internals ]
+  * Builtins reimplemented in terms of python stdlib
+  * gensyms (defmacro/g!) handles non-string types better
+
+  [Tools]
+  * Added hy2py to installed scripts
+
+  [ Misc. Fixes ]
+  * Symbols like true, false, none can't be assigned
+  * Set sys.argv default to [''] like Python does
+  * REPL displays the the python version and platform at startup
+  * Dockerfile added for https://registry.hub.docker.com/_/hylang/
+
+  [ Contrib changes ]
+  * Fix ap-first and ap-last for failure conditions
+
+
 Changes from 0.9.12
 
  0.10.0 - the "oh man I'm late for PyCon" release

docs/language/core.rst

@@ -449,6 +449,27 @@ Returns the single step macro expansion of form.
    => (macroexpand-1 '(-> (a b) (-> (c d) (e f))))
    (u'_>' (u'a' u'b') (u'c' u'd') (u'e' u'f'))
 
+
+.. _merge-with-fn:
+
+merge-with
+----------
+
+.. versionadded:: 0.10.1
+
+Usage: ``(merge-with f &rest maps)
+
+Returns a map that consist of the rest of the maps joined onto first.
+If a key occurs in more than one map, the mapping(s) from the latter
+(left-to-right) will be combined with the mapping in the result by
+calling ``(f val-in-result val-in-latter)``.
+
+.. code-block:: clojure
+
+    => (merge-with (fn [x y] (+ x y)) {"a" 10 "b" 20} {"a" 1 "c" 30})
+    {u'a': 11L, u'c': 30L, u'b': 20L}
+
+
 .. _neg?-fn:
 
 neg?

hy/_compat.py

@@ -52,3 +52,9 @@ if PY3:
     long_type = int
 else:
     long_type = long  # NOQA
+
+if PY3:
+    exec('def raise_empty(t, *args): raise t(*args) from None')
+else:
+    def raise_empty(t, *args):
+        raise t(*args)

hy/compiler.py

@@ -38,7 +38,7 @@ from hy.models.cons import HyCons
 from hy.errors import HyCompileError, HyTypeError
 
 import hy.macros
-from hy._compat import str_type, long_type, PY27, PY33, PY3, PY34
+from hy._compat import str_type, long_type, PY27, PY33, PY3, PY34, raise_empty
 from hy.macros import require, macroexpand, reader_macroexpand
 import hy.importer
 
@@ -429,7 +429,7 @@ class HyASTCompiler(object):
         except HyTypeError as e:
             raise
         except Exception as e:
-            raise HyCompileError(e, sys.exc_info()[2])
+            raise_empty(HyCompileError, e, sys.exc_info()[2])
 
         raise HyCompileError(Exception("Unknown type: `%s'" % _type))
 
@@ -1268,7 +1268,8 @@ class HyASTCompiler(object):
     def compile_decorate_expression(self, expr):
         expr.pop(0)  # with-decorator
         fn = self.compile(expr.pop(-1))
-        if not fn.stmts or not isinstance(fn.stmts[-1], ast.FunctionDef):
+        if not fn.stmts or not (isinstance(fn.stmts[-1], ast.FunctionDef) or
+                                isinstance(fn.stmts[-1], ast.ClassDef)):
             raise HyTypeError(expr, "Decorated a non-function")
         decorators, ret = self._compile_collect(expr)
         fn.stmts[-1].decorator_list = decorators

hy/core/language.hy

@@ -28,10 +28,10 @@
 (import collections)
 (import sys)
 (import [hy._compat [long-type]]) ; long for python2, int for python3
-(import [hy.models.cons [HyCons]])
+(import [hy.models.cons [HyCons]]
+        [hy.models.keyword [HyKeyword *keyword-prefix*]])
 (import [hy.lex [LexException PrematureEndOfInput tokenize]])
 
-
 (defn _numeric-check [x]
   (if (not (numeric? x))
     (raise (TypeError (.format "{0!r} is not a number" x)))))
@@ -253,6 +253,22 @@
   (setv name (calling-module-name))
   (hy.macros.macroexpand-1 form name))
 
+(defn merge-with [f &rest maps]
+  "Returns a map that consists of the rest of the maps joined onto
+   the first. If a key occurs in more than one map, the mapping(s)
+   from the latter (left-to-right) will be combined with the mapping in
+   the result by calling (f val-in-result val-in-latter)."
+  (if (any maps)
+    (let [[merge-entry (fn [m e]
+			 (let [[k (get e 0)] [v (get e 1)]]
+			   (if (in k m)
+			     (assoc m k (f (get m k) v))
+			     (assoc m k v)))
+			 m)]
+	  [merge2 (fn [m1 m2]
+		    (reduce merge-entry (.items m2) (or m1 {})))]]
+      (reduce merge2 maps))))
+
 (defn neg? [n]
   "Return true if n is < 0"
   (_numeric-check n)
@@ -354,13 +370,45 @@
 
 (defun Botsbuildbots () (Botsbuildbots))
 
+(defn zipwith [func &rest lists]
+  "Zip the contents of several lists and map a function to the result"
+  (do
+    (import functools)
+    (map (functools.partial (fn [f args] (apply f args)) func) (apply zip lists))))
+
+(defn hyify [text]
+  "Convert text to match hy identifier"
+  (.replace (string text) "_" "-"))
+
+(defn keyword [value]
+  "Create a keyword from the given value. Strings numbers and even objects
+  with the __name__ magic will work"
+  (if (and (string? value) (value.startswith *keyword-prefix*))
+    (hyify value)
+    (if (string? value)
+      (HyKeyword (+ ":" (hyify value)))
+      (try
+        (hyify (.__name__ value))
+        (catch [] (HyKeyword (+ ":" (string value))))))))
+
+(defn name [value]
+  "Convert the given value to a string. Keyword special character will be stripped.
+  String will be used as is. Even objects with the __name__ magic will work"
+  (if (and (string? value) (value.startswith *keyword-prefix*))
+    (hyify (slice value 2))
+    (if (string? value)
+      (hyify value)
+      (try
+        (hyify (. value __name__))
+        (catch [] (string value))))))
+
 (def *exports* '[Botsbuildbots
                  butlast calling-module-name coll? cons cons? cycle
                  dec distinct disassemble drop drop-while empty? even?
                  every? first filter filterfalse flatten float? gensym identity
                  inc input instance? integer integer? integer-char? interleave
-                 interpose iterable? iterate iterator? keyword? list*
-                 macroexpand macroexpand-1 map neg? nil? none? nth
-                 numeric? odd? pos? range read remove repeat repeatedly
+                 interpose iterable? iterate iterator? keyword keyword? list*
+                 macroexpand macroexpand-1 map merge-with name neg? nil? none?
+                 nth numeric? odd? pos? range read remove repeat repeatedly
                  rest reduce second some string string? take take-nth
                  take-while zero? zip zip_longest zipwith])

hy/models/keyword.py

@@ -23,14 +23,17 @@ from hy.models import HyObject
 from hy._compat import str_type
 
 
+KEYWORD_PREFIX = "\uFDD0"
+
+
 class HyKeyword(HyObject, str_type):
     """Generic Hy Keyword object. It's either a ``str`` or a ``unicode``,
     depending on the Python version.
     """
 
     def __new__(cls, value):
-        if not value.startswith("\uFDD0"):
-            value = "\uFDD0" + value
+        if not value.startswith(KEYWORD_PREFIX):
+            value = KEYWORD_PREFIX + value
 
         obj = str_type.__new__(cls, value)
         return obj

hy/version.py

@@ -20,4 +20,4 @@
 
 
 __appname__ = "hy"
-__version__ = "0.10.0"
+__version__ = "0.10.1"

tests/native_tests/language.hy

@@ -1,6 +1,7 @@
 (import [tests.resources [kwtest function-with-a-dash]]
         [os.path [exists isdir isfile]]
-        [sys :as systest])
+        [sys :as systest]
+        [operator [or_]])
 (import sys)
 
 (import [hy._compat [PY33 PY34]])
@@ -985,6 +986,24 @@
   (assert (= (macroexpand-1 '(-> (a b) (-> (c d) (e f))))
              '(-> (a b) (c d) (e f)))))
 
+(defn test-merge-with []
+  "NATIVE: test merge-with"
+  (assert (= (merge-with + {} {}) nil))
+  (assert (= (merge-with + {"a" 10 "b" 20} {}) {"a" 10 "b" 20}))
+  (assert (= (merge-with + {} {"a" 10 "b" 20}) {"a" 10 "b" 20}))
+  (assert (= (merge-with + {"a" 10 "b" 20} {"a" 1 "c" 30})
+	     {"a" 11 "b" 20 "c" 30}))
+  (assert (= (merge-with +
+                         {:a 1  :b 2}
+                         {:a 9  :b 98  :c 0}
+                         {:a 10 :b 100 :c 10}
+                         {:a 5}
+                         {:c 5  :d 42})
+             {:d 42 :c 15 :a 25 :b 200}))
+  (assert (= (merge-with or_
+                         {"a" (set [1 2 3]) "b" (set [4 5 6])}
+                         {"a" (set [2 3 7 8]) "c" (set [1 2 3])})
+             {"a" (set [1 2 3 7 8]) "c" (set [1 2 3]) "b" (set [4 5 6])})))
 
 (defn test-calling-module-name []
   "NATIVE: Test the calling-module-name function"
@@ -1037,11 +1056,11 @@
     (import [StringIO [StringIO]])
     (import [io [StringIO]]))
   (import [hy.models.expression [HyExpression]])
- 
+
   (def stdin-buffer (StringIO "(+ 2 2)\n(- 2 2)"))
   (assert (= (eval (read stdin-buffer)) 4))
   (assert (isinstance (read stdin-buffer) HyExpression))
-  
+
   "Multiline test"
   (def stdin-buffer (StringIO "(\n+\n41\n1\n)\n(-\n2\n1\n)"))
   (assert (= (eval (read stdin-buffer)) 42))
@@ -1050,9 +1069,33 @@
   "EOF test"
   (def stdin-buffer (StringIO "(+ 2 2)"))
   (read stdin-buffer)
-  (try 
+  (try
     (read stdin-buffer)
     (catch [e Exception]
       (assert (isinstance e EOFError)))))
 
+(defn test-keyword-creation []
+  "NATIVE: Test keyword creation"
+  (assert (= (keyword "foo") :foo))
+  (assert (= (keyword "foo_bar") :foo-bar))
+  (assert (= (keyword `foo) :foo))
+  (assert (= (keyword `foo-bar) :foo-bar))
+  (assert (= (keyword 'foo) :foo))
+  (assert (= (keyword 'foo-bar) :foo-bar))
+  (assert (= (keyword 1) :1))
+  (assert (= (keyword 1.0) :1.0))
+  (assert (= (keyword :foo_bar) :foo-bar)))
 
+(defn test-name-conversion []
+  "NATIVE: Test name conversion"
+  (assert (= (name "foo") "foo"))
+  (assert (= (name "foo_bar") "foo-bar"))
+  (assert (= (name `foo) "foo"))
+  (assert (= (name `foo_bar) "foo-bar"))
+  (assert (= (name 'foo) "foo"))
+  (assert (= (name 'foo_bar) "foo-bar"))
+  (assert (= (name 1) "1"))
+  (assert (= (name 1.0) "1.0"))
+  (assert (= (name :foo) "foo"))
+  (assert (= (name :foo_bar) "foo-bar"))
+  (assert (= (name test-name-conversion) "test-name-conversion")))

tests/native_tests/with_decorator.hy

@@ -7,6 +7,16 @@
     (* 2 2)))
 
 
+(defn bardec [cls]
+  (setv cls.my_attr 123)
+  cls)
+
+(with-decorator bardec
+  (defclass cls []
+    [[my_attr 456]]))
+
+
 (defn test-decorators []
   "NATIVE: test decorators."
-  (assert (= (tfunction) 2)))
+  (assert (= (tfunction) 2))
+  (assert (= cls.my_attr 123)))

tests/test_bin.py

@@ -26,8 +26,11 @@ import subprocess
 from hy._compat import PY3
 
 
+hy_dir = os.environ.get('HY_DIR', '')
+
+
 def run_cmd(cmd, stdin_data=None):
-    p = subprocess.Popen(cmd,
+    p = subprocess.Popen(os.path.join(hy_dir, cmd),
                          stdin=subprocess.PIPE,
                          stdout=subprocess.PIPE,
                          stderr=subprocess.PIPE,