├── .gitignore
├── LICENSE
├── README.md
├── exampleoutput.java
├── input.py
├── output.java
├── py2java
├── PythonToJava.py
├── __init__.py
└── __pycache__
│ ├── PythonToJava.cpython-37.pyc
│ └── __init__.cpython-37.pyc
├── setup.py
├── test.py
├── upload.bat
└── upload.sh
/.gitignore:
--------------------------------------------------------------------------------
1 | # Byte-compiled / optimized / DLL files
2 | __pycache__/
3 | *.py[cod]
4 | *$py.class
5 |
6 | # C extensions
7 | *.so
8 |
9 | # Distribution / packaging
10 | .Python
11 | build/
12 | develop-eggs/
13 | dist/
14 | downloads/
15 | eggs/
16 | .eggs/
17 | lib/
18 | lib64/
19 | parts/
20 | sdist/
21 | var/
22 | wheels/
23 | *.egg-info/
24 | .installed.cfg
25 | *.egg
26 | MANIFEST
27 |
28 | # PyInstaller
29 | # Usually these files are written by a python script from a template
30 | # before PyInstaller builds the exe, so as to inject date/other infos into it.
31 | *.manifest
32 | *.spec
33 |
34 | # Installer logs
35 | pip-log.txt
36 | pip-delete-this-directory.txt
37 |
38 | # Unit test / coverage reports
39 | htmlcov/
40 | .tox/
41 | .coverage
42 | .coverage.*
43 | .cache
44 | nosetests.xml
45 | coverage.xml
46 | *.cover
47 | .hypothesis/
48 | .pytest_cache/
49 |
50 | # Translations
51 | *.mo
52 | *.pot
53 |
54 | # Django stuff:
55 | *.log
56 | local_settings.py
57 | db.sqlite3
58 |
59 | # Flask stuff:
60 | instance/
61 | .webassets-cache
62 |
63 | # Scrapy stuff:
64 | .scrapy
65 |
66 | # Sphinx documentation
67 | docs/_build/
68 |
69 | # PyBuilder
70 | target/
71 |
72 | # Jupyter Notebook
73 | .ipynb_checkpoints
74 |
75 | # pyenv
76 | .python-version
77 |
78 | # celery beat schedule file
79 | celerybeat-schedule
80 |
81 | # SageMath parsed files
82 | *.sage.py
83 |
84 | # Environments
85 | .env
86 | .venv
87 | env/
88 | venv/
89 | ENV/
90 | env.bak/
91 | venv.bak/
92 |
93 | # Spyder project settings
94 | .spyderproject
95 | .spyproject
96 |
97 | # Rope project settings
98 | .ropeproject
99 |
100 | # mkdocs documentation
101 | /site
102 |
103 | # mypy
104 | .mypy_cache/
105 |
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650 | Also add information on how to contact you by electronic and paper mail.
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652 | If the program does terminal interaction, make it output a short
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657 | This is free software, and you are welcome to redistribute it
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660 | The hypothetical commands `show w' and `show c' should show the appropriate
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669 | The GNU General Public License does not permit incorporating your program
670 | into proprietary programs. If your program is a subroutine library, you
671 | may consider it more useful to permit linking proprietary applications with
672 | the library. If this is what you want to do, use the GNU Lesser General
673 | Public License instead of this License. But first, please read
674 | .
675 |
--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | Python to Java language Translator
2 |
3 | This library uses the Translator class from [retranslator library](https://github.com/linksplatform/RegularExpressions.Transformer/tree/master/python).
4 |
5 | Installing: ```pip install py2java```
6 |
7 | import:
8 | ```python
9 | from py2java import PythonToJava
10 | ```
11 | Usage:
12 | ```python
13 | sourceText = """
14 | sourceText = "test"
15 | def main():
16 | print(sourceText)
17 | class lol(object):
18 | \"\"\"docstring for lol\"\"\"
19 | _LOL = "test" # test variable
20 | """
21 | translator = PythonToJava(useRegex=1)
22 | print(translator.compile(sourceText))
23 | ```
24 |
25 | using java controller:
26 | ```python
27 | jc = PythonToJava(useRegex=1, javaVersion=8) # standart javaVersion is 10
28 | ```
29 |
--------------------------------------------------------------------------------
/exampleoutput.java:
--------------------------------------------------------------------------------
1 | class Main{
2 | public static void main(String[] args){
3 | var Hello = "hi";
4 | for (int i = 0; i<10; i++){
5 | if (i % 2 == 0){
6 | System.out.println("Ban :)");
7 | }
8 | }
9 | }
10 | }
--------------------------------------------------------------------------------
/input.py:
--------------------------------------------------------------------------------
1 | if True:
2 | if False:
3 | b = 346
4 | else:
5 | pass
6 | elif True:
7 | if 1:
8 | while 123:
9 | pass
10 | elif True:
11 | pass
12 | else:
13 | lol
14 | for i in range(2):
15 | pass
16 | for i in range(1, 5):
17 | pass
18 | for i in range(1, 5, 2):
19 | pass
20 | for i in range(5, 1, -2):
21 | pass
22 |
23 | a = [1, 2, 3, 4, 5]
24 | for i in a:
25 | print(i)
26 |
27 | try:
28 | pass
29 | except Exception as e:
30 | print(e)
31 | finally:
32 | pass
33 |
34 | with open("lol", "r", encoding="utf-8") as f:
35 | pass
36 | with open("lol", "r", encoding="utf-8"):
37 | pass
38 |
39 | a = Open()
40 | b = 1
41 | c = 1.1
42 | d = "hello"
43 | e = 'l'
44 | array = [5, 2, 3, 1]
45 | for i in array:
46 | print(i)
47 | print(float(i))
48 |
49 | def testDef(a, b, c):
50 | def helloWorld(function):
51 | print("lol")
52 | def _privatedLol():
53 | pass
54 | def __protectedLol():
55 | pass
56 |
57 | class test(object):
58 | pass
59 |
60 | class Lol(object, Exception):
61 | def __init__(self):
62 | pass
63 | class ban:
64 | """docstring for ban"""
65 | BAN = """BANAN"""
--------------------------------------------------------------------------------
/output.java:
--------------------------------------------------------------------------------
1 |
2 | if (true) {
3 | if (false) {
4 | var b = 346;
5 | }
6 | else {}
7 | }
8 | else if (true){
9 | if (1) {
10 | while (123) {}
11 | }
12 | else if (true) {}
13 | }
14 | else{
15 | lol;
16 | }
17 | for (int i = 0; i < 2; i += 1) {}
18 | for (int i = 1; i < 5; i += 1) {}
19 | for (int i = 1; i < 5; i += 2) {}
20 | for (int i = 5; i > 1; i -= 2) {}
21 | a = {1, 2, 3, 4, 5};
22 | for (int i = 0; i < a.length; i++){
23 | System.out.println(i);
24 |
25 | }
26 | try {}
27 | catch (Exception e){
28 | System.out.println(e);
29 | }
30 | finally {}
31 | try (open f = new open("lol", "r", encoding="utf-8") ) {}
32 | try (new open("lol", "r", encoding="utf-8")) {}
33 | a = Open();
34 | b = 1;
35 | var c = 1.1;
36 | var d = "hello";
37 | var e = 'l';
38 | var array = {5, 2, 3, 1};
39 | for (int i = 0; i < array.length; i++){
40 | System.out.println(i);
41 | System.out.println((float)(i));
42 |
43 | }
44 | public void testDef(Object a, b, c){
45 | public void helloWorld(function){
46 | System.out.println("lol");
47 | }
48 | }
49 | private void privatedLol() {}
50 | protected void protectedLol() {}
51 | class test extends object {}
52 |
53 | class Lol extends object, Exception{
54 | protected void init__(this) {}
55 | }
56 |
57 | class ban {
58 | /*docstring for ban*/
59 | var BAN = """BANAN""";
60 | }
--------------------------------------------------------------------------------
/py2java/PythonToJava.py:
--------------------------------------------------------------------------------
1 | # -*- coding utf-8 -*-
2 | # authors: Ethosa, Konard
3 |
4 | from retranslator import Translator
5 |
6 | class PythonToJava(Translator):
7 | def __init__(self, codeString="", extra=[], useRegex=False, javaVersion=10):
8 | """initialize class
9 |
10 | Keyword Arguments:
11 | codeString {str} -- source code on C# (default: {""})
12 | extra {list} -- include your own rules (default: {[]})
13 | useRegex {bool} -- this parameter tells you to use regex (default: {False})
14 | javaVersion {int} -- this parameter added specifical rules for selected version (default: {10})
15 | """
16 | self.codeString = codeString
17 | self.extra = extra
18 | self.Transform = self.compile = self.translate # callable objects
19 |
20 | # create little magic ...
21 | self.rules = PythonToJava.FIRST_RULES[:]
22 | self.rules.extend(self.extra)
23 | self.rules.extend(PythonToJava.LAST_RULES)
24 | if javaVersion < 10:
25 | self.rules.extend(PythonToJava.LESS_THEN_TEN)
26 | Translator.__init__(self, codeString, self.rules, useRegex)
27 |
28 | # Rules for translate code
29 | FIRST_RULES = [
30 | # TAB (\t)
31 | # 4 spaces ( )
32 | (r"\t", r" ", None, 0),
33 | # True
34 | # true
35 | (r"(?!\")(?P(?[ ]*)(?!\")", r"\gtrue\g", None, 0),
36 | # False
37 | # false
38 | (r"(?!\")(?P(?(?false\g", None, 0),
39 | # pass
40 | #
41 | (r"pass", r"", None, 0),
42 | # self
43 | # this
44 | (r"self", r"this", None, 0),
45 | # print
46 | # System.out.println
47 | (r"print", r"System.out.println", None, 0),
48 | # str(object)
49 | # object.toString()
50 | (r"\bstr\((?P[^\)]+)\)", r"\g.toString()", None, 0),
51 | # int(object)
52 | # (int)(object)
53 | (r"\bint\((?P[^\)]+)\)", r"(int)(\g)", None, 0),
54 | # float(object)
55 | # (float)(object)
56 | (r"\bfloat\((?P[^\)]+)\)", r"(float)(\g)", None, 0),
57 | # len(object)
58 | # object.length
59 | (r"\blen\((?P[^\)]+)\)", r"\g.length", None, 0),
60 | # input()
61 | # System.in.read()
62 | (r"input\((?P[\S ]*)\)", r"System.in.read(\g)", None, 0),
63 | # from java.utils import *
64 | # import java.utils.*
65 | (r"(?P[ ]*)from[ ]*(?P[_a-zA-Z0-9.]+)[ ]*import[ ]*(?P[\S]+)", r"\gimport \g.\g", None, 0),
66 | # [1, 2, 3]
67 | # {1, 2, 3}
68 | (r"\[(?P[^\]]+)\]", r"{\g}", None, 0),
69 | # """ ... multiline comment """
70 | # /* ... multiline comment */
71 | (r"\n(?P[ ]*)\"\"\"(?P([\s\S](?/*\g*/",None, 0),
72 | # a = "smth" # hello world
73 | # a = "smth"; # hello world
74 | (r"([^\r\n#: /])([ ]*)(#[^\r\n]+)?([\r\n]+)", r"\1;\2\3\4", None, 0),
75 | # # ...
76 | # // ...
77 | (r"#([^\r\n]+)", r"//\1",None, 0),
78 | # class Test(object): smth
79 | # class Test extends object { smth }
80 | (r"(?P[ ]*)class[ ]*(?P[_a-zA-Z0-9]+)[ ]*\((?P[^:][\S ]+)\)[ ]*:[\r\n]+(?P(?P[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)", r"\gclass \g extends \g{\n\g\g}\n\n",None, 10),
81 | # class Test: smth
82 | # class Test { smth }
83 | (r"(?P[ ]*)class[ ]*(?P[_a-zA-Z0-9]+)[ ]*:[\r\n]+(?P(?P[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)", r"\gclass \g {\n\g\g}\n",None, 10),
84 | # def asd(a)
85 | # def asd(Object a)
86 | (r"(?P[ ]*)def[ ]*(?P[a-zA-Z0-9_]+)\((?P(Object [a-zA-Z0-9]+(, )?)*)(?P(?!Object)[a-zA-Z0-9]+)(?P[\s\S]+)*\)[ ]*:", r"\gdef \g(\gObject \g\g):", None, 0),
87 | # def __asd():
88 | # protected void asd(){ smth }
89 | (r"(?P[ ]*)def[ ]*__(?P[a-zA-Z0-9_])(?!__)(?P[\S ]+)[ ]*:[\r\n]+(?P(?P[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)", r"\gprotected void \g\g{\n\g\g}\n",None, 70),
90 | # def _asd():
91 | # private void asd(){ smth }
92 | (r"(?P[ ]*)def[ ]*_(?P[a-zA-Z0-9_])(?!_)(?P[\S ]+)[ ]*:[\r\n]+(?P(?P[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)", r"\gprivate void \g\g{\n\g\g}\n",None, 70),
93 | # def asd():
94 | # public void asd(){ smth }
95 | (r"(?P[ ]*)def[ ]*(?P[a-zA-Z0-9_])(?P[\S ]+)[ ]*:[\r\n]+(?P(?P[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)", r"\gpublic void \g\g{\n\g\g}\n",None, 70),
96 | # while CONDITION: # smth
97 | # while (CONDITION){ # smth }
98 | (r"(?P[ ]*)while[ ]*((?P[^:\r\n]+?))[ ]*:[\r\n]+(?P(?P[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)", r"\gwhile (\g) {\n\g\g}\n ", None, 70),
99 | # else: smth
100 | # else {smth}
101 | (r"(?P[ ]*)else[ ]*:[\r\n]+(?P(?P[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)", r"\gelse{\n\g\g}\n", None, 70),
102 | # elif CONDITION: smth
103 | # else if (CONDITION) {smth}
104 | (r"(?P[ ]*)elif[ ]*((?P[^:\r\n]+?))[ ]*:[\r\n]+(?P(?P[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)", r"\gelse if (\g){\n\g\g}\n", None, 70),
105 | # if CONDITION: # smth
106 | # if (CONDITION){ # smth }
107 | (r"(?P[ ]*)if[ ]*((?P[^:\r\n]+?))[ ]*:[\r\n]+(?P(?P[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)", r"\gif (\g) {\n\g\g}\n ", None, 70),
108 | # range(2)
109 | # range(0, 2, 1)
110 | (r"range\((?P\d+)\)", r"range(0, \g, 1)", None, 70),
111 | # range(1, 2)
112 | # range(1, 2, 1)
113 | (r"range\((?P\d+),[ ]*(?P\d+)\)", r"range(\g, \g, 1)", None, 70),
114 | # a = "hello world"
115 | # a = "hi"
116 | # var a = "hello world"
117 | # a = "hi"
118 | (r"(?P(?P[_a-zA-Z0-9]+)[ ]*=[ ]*[^\r\n]+)(?P([\s\S]+(?P=variable)[ ]*=[ ]*[^\r\n#$])*)?", r"var \g\g", None, 0),
119 | # for i in range(2): smth
120 | # for (int i = 0; i < 2; i += 1){ smth }
121 | (r"(?P[ ]*)for[ ]*((?P\S+))[ ]*in[ ]*range\((?P\d*), (?P\d*), (?P\d*)\)[ ]*:[\r\n]+(?P(?P[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)", r"\gfor (int \g = \g; \g < \g; \g += \g){\n\g\g}\n", None, 70),
122 | # for i in range(5, 1, -2): smth
123 | # for (int i = 5; i > 1; i -= 2){ smth }
124 | (r"(?P[ ]*)for[ ]*((?P\S+))[ ]*in[ ]*range\((?P\d*), (?P\d*), -(?P\d*)\)[ ]*:[\r\n]+(?P(?P[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)", r"\gfor (int \g = \g; \g > \g; \g -= \g){\n\g\g}\n", None, 70),
125 | # for i in a: smth
126 | # for (int i = 0; i < a.length; i++){ smth }
127 | (r"(?P[ ]*)for[ ]*((?P\S+))[ ]*in[ ]*(?P\S+)[ ]*:[\r\n]+(?P(?P[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)", r"\gfor (int \g = 0; \g < \g.length; \g++){\n\g\g}\n", None, 70),
128 | # try: smth
129 | # try{ smth }
130 | (r"(?P[ ]*)try[ ]*:[\r\n]+(?P(?P[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)", r"\gtry{\n\g\g}\n", None, 70),
131 | # except Exception as e: smth
132 | # catch (Exception e) { smth }
133 | (r"(?P[ ]*)except[ ]*(?P\S+)[ ]*as[ ]*(?P\S+):[\r\n]+(?P(?P[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)", r"\gcatch (\g \g){\n\g\g}\n", None, 70),
134 | # finally:
135 | # finally{
136 | (r"(?P[ ]*)finally[ ]*:[\r\n]+(?P(?P[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)", r"\gfinally{\n\g\g}\n", None, 70),
137 | # with open(...) as f:
138 | # try(open f = new open(...)){
139 | (r"(?P[ ]*)with[ ]*(?P[_a-zA-Z0-9]+)(?P.+)[ ]*as[ ]*(?P\S+)[ ]*:[\r\n]+(?P(?P[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)", r"\gtry (\g \g = new \g\g){\n\g\g}\n", None, 70),
140 | # with open(...):
141 | # try(new open(...)){
142 | (r"(?P[ ]*)with[ ]*(?P[_a-zA-Z0-9]+)(?P.+)[ ]*:[\r\n]+(?P(?P[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)", r"\gtry (new \g\g){\n\g\g}\n", None, 70),
143 | # { }
144 | # {}
145 | (r"[ ]*{\s+}", r" {}", None, 0),
146 | #
147 | #
148 | (r"", r"", None, 0)
149 | ]
150 |
151 | LESS_THEN_TEN = [
152 | # c = "string"
153 | # String c = "string"
154 | (r"var[ ]*(?P(?P[_a-zA-Z0-9]+)[ ]*=[ ]*\"[^\r\n]+\")", r"String \g", None, 0),
155 | # c = 'c'
156 | # char c = 'c'
157 | (r"var[ ]*(?P(?P[_a-zA-Z0-9]+)[ ]*=[ ]*\'[^\r\n]\')", r"char \g", None, 0),
158 | # c = 0.12
159 | # float c = 0.12f
160 | (r"var[ ]*(?P(?P[_a-zA-Z0-9]+)[ ]*=[ ]*(?P\d+\.\d+)(?P[^\r\n#$]*))", r"float \g = \gf\g", None, 0),
161 | # c = 12
162 | # int c = 12
163 | (r"var[ ]*(?P(?P[_a-zA-Z0-9]+)[ ]*=[ ]*\d+\D)", r"int \g", None, 0),
164 | # c = True
165 | # boolean c = True
166 | (r"var[ ]*(?P(?P[_a-zA-Z0-9]+)[ ]*=[ ]*(true|false))", r"boolean \g", None, 0)
167 | ]
168 |
169 | LAST_RULES = []
170 |
--------------------------------------------------------------------------------
/py2java/__init__.py:
--------------------------------------------------------------------------------
1 | # -*- coding: utf-8 -*-
2 | # author: Ethosa
3 |
4 | from .PythonToJava import PythonToJava
5 |
6 | __version__ = "0.0.11"
7 | __copyright__ = "2019"
8 | __authors__ = ["Ethosa"]
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/setup.py:
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1 | import setuptools
2 |
3 | with open("README.md", "r") as fh:
4 | long_description = fh.read()
5 |
6 | setuptools.setup(
7 | name="py2java",
8 | version="0.0.11",
9 | author="Ethosa",
10 | author_email="social.ethosa@gmail.com",
11 | description="Python to Java language translator",
12 | long_description=long_description,
13 | long_description_content_type="text/markdown",
14 | url="https://github.com/Ethosa/py2java",
15 | packages=setuptools.find_packages(),
16 | license="LGPLv3",
17 | keywords="python to java language translator ethosa konard",
18 | classifiers=[
19 | "Development Status :: 3 - Alpha",
20 | "Programming Language :: Python :: 3",
21 | "Programming Language :: Python :: 3.4",
22 | "Programming Language :: Python :: 3.5",
23 | "Programming Language :: Python :: 3.6",
24 | "Programming Language :: Python :: 3.7",
25 | "License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)",
26 | "Operating System :: OS Independent",
27 | ],
28 | project_urls={
29 | "Github" : "https://github.com/Ethosa/py2java",
30 | "Documentation" : "https://github.com/Ethosa/py2java",
31 | },
32 | python_requires=">=3",
33 | install_requires=["retranslator"]
34 | )
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/test.py:
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1 | import py2java
2 | import regex
3 | import re
4 |
5 | sourceText = """
6 | sourceText = "test"
7 | def main():
8 | print(sourceText)
9 | class lol(object):
10 | \"\"\"docstring for lol\"\"\"
11 | _LOL = "test" # test variable
12 | a = "True"
13 | b = True
14 | c = " False asd"
15 | c = " False"
16 | c = "a False asd"
17 | d = False
18 | ch = 'a'
19 | testI = 5
20 | testI = 6
21 | testFloat = 1.0 # comment
22 | asd1 = lol()
23 | asd1 = lol()
24 | asd2 = True
25 | asd2 = False
26 | asd3 = 0
27 | asd3++
28 | asd3 += 1
29 | """
30 | translator = py2java.PythonToJava(useRegex=1, javaVersion=8)
31 | # print(translator.compile(sourceText))
32 | # print(re.sub(r"(?!\")(?P(?[^,\"][ ]*)(?!\")",
33 | # r"\gfalse\g", sourceText))
34 | print(translator.translate(sourceText))
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/upload.bat:
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1 | python setup.py sdist bdist_wheel
2 | python -m twine upload dist/*
3 |
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/upload.sh:
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1 | python setup.py sdist bdist_wheel
2 | python -m twine upload dist/*
3 |
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